Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0521
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CONFIDENTIAL CSV-1
Sony Service Company
National Technical Services Service Bulletin
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656 TV Products
Model: KV-32FV16, KV-32FV26 No. 521
Subject: Incorrect IC identified in Self-diagnostic Date: January 30, 2001
instructions of the service manual.
Symptom:
(xxxx) The IC identified in Self-diagnostic instructions on the CD-ROM issued with the
Service Manual is incorrect.
Solution: The Service Manual incorrectly misstates the potential cause of vertical deflection
(V-Stop) as IC502. Please update self-diagnostic test indicator table on page 4 of
the AA-2U Service Manual, as follows:
Probable cause for stoppage of vertical deflection (V-Stop) is that
IC561 on the "A" Board is faulty.
Diagnostic # of times Self-diagnostic Probable Detected
Item Standby/Timer Display Cause Symptoms
Description LED Flashes Diagnostic Location
Results
V-Stop 4 Times 4:0 or 4:1 +12V is not Has entered
supplied standby state
(A Board after horizontal
IC561 is faulty raster.
Vertical
deflection pulse
is stopped
Power line is
shorted or power
supply is
stopped.
Reference: TV2001-03 PRINTED IN USA
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