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Service Bulletin
Sony Service Company - Technical Services
A Division of Sony Electronics Inc.
Sony Drive, Park Ridge, New Jersey 07656
Model: KV-27S10/27S15/27TS29/27TS32 No. 235
KV-27TS36/27TW77/27TW78
KV-27V10/27V15/27V55/27XBR37
KV-32S10/32S15/32TS36/32TS46
KV-32TW77/32TW78/32V15
KV-32XBR37
Subject: Increase ABL Sensitivity Date: November 30, 1994
Symptom:
(***) Circuit Change
Solution: Please perform the following circuit change:
Please add a jumper wire across resistor R550 located on the "D" Board. Board Grid
location, 93 models I-4, 94 models G-4.
This ABL circuit change has been performed, at the factory, on the following models.
Listed below are the serials numbers that the change was started from.
Model Serial Model Serial
KV-27S10 7067631 KV-27V55 7093382
KV-27S10 8073201 KV-27XBR37 8016701
KV-27S15 7059957 KV-32S10 7070028
KV-27S15 8040101 KV-32S15 7076883
KV-27TW77 7029288 KV-32TW77 7039828
KV-27TW78 7005276 KV-32TW78 7006726
KV-27V10 7110482 KV-32V15 7047283
KV-27V15 7037434 KV-32XBR37 8024071
Reference: FPR-P PRINTED IN USA
Autoflagged - YES
PRINTED ON RECYCLED PAPER