Service Manuals, User Guides, Schematic Diagrams or docs for : Sony HiFi Service Bulletin HFP0429

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                                       Hi-Fi Products                                                CSA-13
                                      Service Bulletin
                                       Sony Service Company - Technical Services
                                       A Division of Sony Electronics Inc.
                                       Sony Drive, Park Ridge, New Jersey 07656


Model:      GEN-HFP                                                            No.    429
Subject: Audio Test Jig Available: "ENFF"                                      Date: February 21, 1995


Symptom:
  (**)             An audio test jig is available from the National Parts Center. This jig is used in
                   conjunction with a telephone answering machine which includes a time/date stamp
                   feature (not supplied; Sony model TAM-50 recommended). This jig checks the
                   frequency and level of a signal recorded on a special test disc (model CCTD-1,
                   supplied with the audio test jig) while being played on the unit under test. When
                   frequency or level errors (such as skipping) are detected, the jig sends 3 ring signals to
                   the answering machine, and each "call" recorded is considered to be an audio error.
                   The time/date stamp information gives an indication as to when the error occurred.



Solution:          The audio test jig, model ENFF ("Evaluator/No Fault Finder") can be ordered as
                   shown below. It comes supplied with and AC adapter and test disc model CCTD-1.

                       REF                DESCRIPTION                          PART NUMBER

                         -       AUDIO TEST JIG, MODEL ENFF                     T-9985-600-1




Reference:                                                                                          PRINTED IN USA
Autoflagged - NO
                                                   PRINTED ON RECYCLED PAPER
Audio Products Service Bulletin No. xxx

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