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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