U S VENTURE PARTNERS III
SC 13G, 1997-02-13
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  Schedule 13G
                                 (Rule 13d-102)

             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                       (Amendment No. 1 and Restatement)*



                              Photon Dynamics, Inc.
- --------------------------------------------------------------------------------
                                (Name of Issuer)


                                  Common Stock
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                   0007193641
- --------------------------------------------------------------------------------
                                 (CUSIP Number)




*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

                         (Continued on following pages)








                               Page 1 of 19 Pages
                       Exhibit Index Contained on Page 16


<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 2 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     U.S. Venture Partners III, A California Limited Partnership ("USVP III")
                     Tax ID Number:    94-3038926
- ----------- --------------------------------------------------------------------------------------------------------

2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------

3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------

4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     California
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         74,569 shares,  except that BHMS Partners III, A California, Limited
           BENEFICIALLY                      Partnership ("BHMS III"), the general partner of USVP III, and Bowes,
     OWNED BY EACH REPORTING                 Federman,  Krausz,  Vogel and Young, the general partners of BHMS III,
             PERSON                          may be deemed to have shared  voting power with respect to such shares.
              WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             See response to row 5.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             74,569 shares,  except that BHMS III, the general  partner of USVP III,
                                             and Bowes,  Federman,  Krausz, Vogel and Young, the general partners of
                                             BHMS III, may be deemed to have shared  dispositive  power with respect
                                             to such shares.
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             See response to row 7.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       74,569
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                       [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   1.07%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 3 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     Second Ventures Limited Partnership ("SVLP")
                     Tax ID Number:    94-3060758
- ----------- --------------------------------------------------------------------------------------------------------

2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------

3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------

4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     Cayman Islands
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         12,205 shares, except that BHMS III, the general partner of SVLP, and
            BENEFICIALLY                     Bowes, Federman,  Krausz, Vogel and Young, the general partners of
     OWNED BY EACH REPORTING                 BHMS III, may be deemed to have shared voting power with respect to
              PERSON                         such shares.
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             See response to row 5.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             12,205 shares,  except that BHMS III, the general  partner of SVLP, and
                                             Bowes, Federman,  Krausz, Vogel and Young, the general partners of BHMS
                                             III,  may be deemed to have shared  dispositive  power with  respect to
                                             such shares.
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             See response to row 7.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       12,205
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.18%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 4 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     USV Entrepreneur Partners, A California Limited Partnership ("USVEP")
                     Tax ID Number:    94-3050240
- ----------- --------------------------------------------------------------------------------------------------------

2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------

3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------

4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     California
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         877 shares,  except BHMS III, the general partner of USVEP, and  Bowes,
            BENEFICIALLY                     Federman,  Krausz,  Vogel and  Young,  the general partners of BHMS III,
     OWNED BY EACH REPORTING                 may be deemed to have shared voting power with respect to such shares.
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             See response to row 5.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             877 shares,  except that BHMS III,  the general  partner of USVEP,  and
                                             Bowes, Federman,  Krausz, Vogel and Young, the general partners of BHMS
                                             III,  may be deemed to have shared  dispositive  power with  respect to
                                             such shares.
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             See response to row 7.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       877
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   0.01%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 5 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     BHMS Partners III, A California Limited Partnership ("BHMS III")
                     Tax ID Number:    94-3038927
- ----------- --------------------------------------------------------------------------------------------------------

2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------

3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------

4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     California
- ----------------------------------- -------- -----------------------------------------------------------------------

         NUMBER OF SHARES           5        SOLE VOTING POWER
           BENEFICIALLY                      0 shares.
  OWNED BY EACH REPORTING PERSON
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  BHMS III is the general partner of USVP III, SVLP, and
                                             USVEP and may be deemed to have  shared  voting  power with  respect to
                                             such shares.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             0 shares.
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             87,651  shares,  of which 74,569 Shares are directly owned by USVP III,
                                             12,205 Shares are directly  owned by SVLP,  and 877 Shares are directly
                                             owned by USVEP.  BHMS III is the general partner of USVP III, SVLP, and
                                             USVEP and may be deemed to have shared  dispositive  power with respect
                                             to such shares.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       87,651
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   1.26%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 6 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     William K. Bowes, Jr. ("Bowes")
                     Tax ID Number:
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares.
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Bowes is a general  partner of BHMS III,  the  general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             voting power with respect to such shares.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Bowes is a general  partner of BHMS III,  the  general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             dispositive power with respect to such shares.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       87,651
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   1.26%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 7 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     Irwin Federman ("Federman")
                     Tax ID Number:
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares.
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Federman is a general partner of BHMS III, the general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             voting power with respect to such shares.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             8,000 shares
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Federman is a general partner of BHMS III, the general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             dispositive power with respect to such shares.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       87,651
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   1.26%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>


<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 8 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     Steven M. Krausz ("Krausz")
                     Tax ID Number:
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         5,000 shares.
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Krausz is a general  partner of BHMS III,  the general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             voting power with respect to such shares.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             5,000 shares
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Krausz is a general  partner of BHMS III,  the general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             dispositive power with respect to such shares.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       92,651
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   1.33%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                   Page 9 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     Dale J. Vogel ("Vogel")
                     Tax ID Number:
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Vogel is a general  partner of BHMS III,  the  general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             voting power with respect to such shares.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Vogel is a general  partner of BHMS III,  the  general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             dispositive power with respect to such shares.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       87,651
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   1.26%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>


<TABLE>
<S>                                                             <C>          <C>
- --------------------------------------------------------                     ---------------------------------------
CUSIP NO. 0007193641                                            13 G                  Page 10 of 19 Pages
- --------------------------------------------------------                     ---------------------------------------

- ----------- --------------------------------------------------------------------------------------------------------

1           NAME OF REPORTING PERSONS
            SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
                     Phillip M. Young ("Young")
                     Tax ID Number:
- ----------- --------------------------------------------------------------------------------------------------------
2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                   (a) [ ]          (b)  [X]
- ----------- --------------------------------------------------------------------------------------------------------
3           SEC USE ONLY
- ----------- --------------------------------------------------------------------------------------------------------
4           CITIZENSHIP OR PLACE OF ORGANIZATION
                     U.S. Citizen
- ----------------------------------- -------- -----------------------------------------------------------------------

            NUMBER OF               5        SOLE VOTING POWER
              SHARES                         0 shares.
           BENEFICIALLY
     OWNED BY EACH REPORTING
              PERSON
               WITH
                                    -------- -----------------------------------------------------------------------

                                    6        SHARED VOTING POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Young is a general  partner of BHMS III,  the  general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             voting power with respect to such shares.
                                    -------- -----------------------------------------------------------------------

                                    7        SOLE DISPOSITIVE POWER
                                             0 shares
                                    -------- -----------------------------------------------------------------------

                                    8        SHARED DISPOSITIVE POWER
                                             87,651  shares,  of which 74,569 shares are directly owned by USVP III,
                                             12,205 shares are directly  owned by SVLP,  and 877 shares are directly
                                             owned by USVEP.  Young is a general  partner of BHMS III,  the  general
                                             partner of USVP III, SVLP, and USVEP,  and may be deemed to have shared
                                             dispositive power with respect to such shares.
- ----------- --------------------------------------------------------------------------------------------------------

9           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
            REPORTING PERSON                                                                       87,651
- ----------- --------------------------------------------------------------------------------------------------------

10          CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
            EXCLUDES CERTAIN SHARES*
                                                                                                      [ ]
- ----------- --------------------------------------------------------------------------------------------------------

11          PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                   1.26%
- ----------- --------------------------------------------------------------------------------------------------------

12          TYPE OF REPORTING PERSON*
                                                                                                   IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
                           *   SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>


                                                                   Page 11 of 19

                  This is an  amendment  and  restatement  to the  Statement  on
                  Schedule 13G (the "Original  Statement") filed by U.S. Venture
                  Partners III, A California  Limited  Partnership ("USVP III"),
                  Second Ventures Limited Partnership ("SVLP"), USV Entrepreneur
                  Partners,  A California Limited  Partnership  ("USVEP"),  BHMS
                  Partners III, A California  Limited  Partnership ("BHMS III"),
                  William K. Bowes, Jr. ("Bowes"),  Irwin Federman ("Federman"),
                  Steven M. Krausz ("Krausz"), Phil S. Schlein ("Schlein"), Dale
                  J.  Vogel   ("Vogel"),   and   Phillip   M.  Young   ("Young")
                  (collectively referred to as the "Reporting Persons").


ITEM 1(a).        NAME OF ISSUER:

                  Photon Dynamics, Inc.

ITEM 1(b).        ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

                  1504 McCarthy Boulevard
                  Milpitas, CA  95035
                  (408) 433-3922

ITEM 2(a).        NAME OF PERSONS FILING:

                  This  Statement  is  filed by U.S.  Venture  Partners  III,  A
                  California Limited  Partnership ("USVP III"),  Second Ventures
                  Limited Partnership  ("SVLP"),  USV Entrepreneur  Partners,  A
                  California Limited Partnership ("USVEP"), BHMS Partners III, A
                  California Limited Partnership ("BHMS III"), William K. Bowes,
                  Jr. ("Bowes"),  Irwin Federman ("Federman"),  Steven M. Krausz
                  ("Krausz"),  Dale J.  Vogel  ("Vogel"),  and  Phillip M. Young
                  ("Young").   The  foregoing   entities  and   individuals  are
                  collectively referred to as the "Reporting Persons.

                  BHMS III is the general  partner of USVP III,  SVLP and USVEP,
                  and may be  deemed  to have  shared  power to vote and  shared
                  power to  dispose of shares of the  issuer  directly  owned by
                  USVP III, SVLP and USVEP. Bowes,  Federman,  Krausz, Vogel and
                  Young are general  partners of BHMS III,  and may be deemed to
                  have shared  power to vote and shared  power to dispose of the
                  shares of issuer directly owned by USVP III, SVLP and USVEP.


ITEM 2(b).        ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR, IF NONE, RESIDENCE:

                  The address of the principal  business  office for each of the
                  Reporting Persons is:

                  U.S. Venture Partners
                  2180 Sand Hill Road, Suite 300
                  Menlo Park, CA  94025



<PAGE>


                                                                   Page 12 of 19

ITEM 2(c)         CITIZENSHIP:

                  USVP  III,   USVEP  and  BHMS  III  are   California   Limited
                  Partnerships,  SVLP is a Panama Limited Partnership and Bowes,
                  Federman, Krausz, Vogel and Young are United States citizens.

ITEM 2(d).        TITLE OF CLASS OF SECURITIES:

                  Common Stock

ITEM 2(e).        CUSIP NUMBER:

                  CUSIP # 0007193641

ITEM 3.           Not Applicable

ITEM 4.           OWNERSHIP:

                  The following information with respect to the ownership of the
                  Common  Stock  of  the  issuer  by  the  persons  filing  this
                  Statement is provided as of December 31, 1996:

                     (a)   Amount beneficially owned:

                           See Row 9 of cover page for each Reporting Person.

                     (b)   Percent of Class:

                           See Row 11 of cover page for each Reporting Person.

                     (c)   Number of shares as to which such person has:


                           (i)   Sole power to vote or to direct the vote:

                                 See Row 5 of  cover  page  for  each  Reporting
                                 Person.

                           (ii)  Shared power to vote or to direct the vote:

                                 See Row 6 of  cover  page  for  each  Reporting
                                 Person.

                           (iii) Sole   power  to   dispose  or  to  direct  the
                                 disposition of:

                                 See Row 7 of  cover  page  for  each  Reporting
                                 Person.

                           (iv)  Shared  power  to  dispose  or  to  direct  the
                                 disposition of:

                                 See Row 8 of  cover  page  for  each  Reporting
                                 Person.




<PAGE>


                                                                   Page 13 of 19

ITEM 5.           OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

                  If this statement is being filed to report the fact that as of
                  the date  hereof  the  reporting  person  has ceased to be the
                  beneficial  owner of more  than five  percent  of the class of
                  securities, check the following:                         [X]

ITEM 6.           OWNERSHIP  OF MORE THAN  FIVE  PERCENT  ON  BEHALF OF  ANOTHER
                  PERSON:

                  Not applicable.

ITEM 7.           IDENTIFICATION  AND  CLASSIFICATION  OF THE  SUBSIDIARY  WHICH
                  ACQUIRED THE SECURITY  BEING REPORTED ON BY THE PARENT HOLDING
                  COMPANY:

                  Not applicable.

ITEM 8.           IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

                  Not applicable

ITEM 9.           NOTICE OF DISSOLUTION OF GROUP:

                  Not applicable

ITEM 10.          CERTIFICATION:

                  Not applicable



<PAGE>


                                                                   Page 14 of 19
                                   SIGNATURES

                  After  reasonable  inquiry and to the best of my knowledge and
belief,  I certify  that the  information  set forth in this  statement is true,
complete and correct.

Dated:  February 11, 1997



U.S. Venture Partners III,                /s/ Michael P. Maher
A California Limited Partnership          -------------------------------------
By BHMS III,                              Signature
A California Limited Partnership
Its General Partner                       Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


Second Ventures Limited Partnership       /s/ Michael P. Maher
By BHMS III,                              -------------------------------------
A California Limited Partnership          Signature
Its General Partner
                                          Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


U.S.V. Entrepreneur Partners,             /s/ Michael P. Maher
A California Limited Partnership          -------------------------------------
By BHMS III,                              Signature
A California Limited Partnership
Its General Partner                       Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


BHMS Partners III,                        /s/ Michael P. Maher
A California Limited Partnership          -------------------------------------
                                          Signature

                                          Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


William K. Bowes                          /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


<PAGE>


                                                                   Page 15 of 19


Irwin Federman                            /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


Steven M. Krausz                          /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


Dale J. Vogel                             /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


Phillip M. Young                          /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


<PAGE>


                                                                   Page 16 of 19


                                 EXHIBIT INDEX


                                                                     Found on
                                                                   Sequentially
Exhibit                                                            Numbered Page
- -------                                                            -------------
Exhibit A:  Agreement of Joint Filing                                   17

Exhibit B:  Reference to Michael P. Maher as Attorney-in-Fact           19


<PAGE>


                                                                   Page 17 of 19


                                   EXHIBIT A

                       AGREEMENT RELATING TO JOINT FILING
                                 OF SCHEDULE 13G

                  The  undersigned  hereby agree that a single  Schedule 13G (or
any amendment  thereto)  relating to the Common Stock of Photon  Dynamics,  Inc.
shall be filed on behalf  of each of the  undersigned  and that  this  Agreement
shall be filed as an exhibit to such Schedule 13G.

                  This Agreement and the filing of the Schedule 13G shall not be
construed  to be an  admission  that any of the  undersigned  are  members  of a
"group"  consisting of one or more of such persons  pursuant to Section 13(g) of
the Securities Exchange Act of 1934, as amended, and the rules thereunder.

Date:  February 10, 1995


U.S. Venture Partners III,                /s/ Michael P. Maher
A California Limited Partnership          -------------------------------------
By BHMS Partners III,                     Signature
A California Limited Partnership          
Its General Partner                       Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


Second Ventures Limited Partnership       /s/ Michael P. Maher
By BHMS Partners III,                     -------------------------------------
A California Limited Partnership          Signature
Its General Partner                       
                                          Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


U.S.V. Entrepreneur Partners,             /s/ Michael P. Maher
A California Limited Partnership          -------------------------------------
By BHMS Partners III,                     Signature
A California Limited Partnership          
Its General Partner                       Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


BHMS Partners III,                        /s/ Michael P. Maher
A California Limited Partnership          -------------------------------------
                                          Signature

                                          Michael P. Maher
                                          Chief Financial Officer/
                                          Attorney-In-Fact


Phil M. Young                             /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


<PAGE>




                                                             Page 18 of 19 Pages




Phil S. Schlein                           /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


Phil M. Young                             /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


Irwin Federman                            /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


Dale J. Vogel                             /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


William K. Bowes                          /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact


Steven M. Krausz                          /s/ Michael P. Maher
                                          -------------------------------------
                                          Michael P. Maher
                                          Attorney-In-Fact





<PAGE>


                                                             Page 19 of 19 Pages



                                    EXHIBIT B

                 REFERENCE TO MICHAEL MAHER AS ATTORNEY-IN-FACT



                  Michael  P.  Maher  has  signed  the  enclosed   documents  as
Attorney-In-Fact.  Note that copies of the  applicable  Power of  Attorneys  are
already on file with the appropriate agencies.




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