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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: KP-46S55, KP-53S55 No. 221R1
Subject: Two different Mounted Boards and CRT being Date: May 23, 1997
used.
Symptom:
(****) Two types of Mounted Circuit Boards and CRT's are used in the models above.
These components are not interchangeable.
Solution: Please check the serial number on the rear cabinet before ordering the Mounted
Board or CRT's. Refer to the chart below for the correct part number of the
component needed.
Model KP-46S55
Serial Number 9000001 and above 9100001 and above
Part Number Part Number
Red CRT 8-736-074-05 8-736-636-05
Green CRT 8-736-072-05 8-736-634-05
Blue CRT 8-736-073-05 8-736-635-05
A Board A-1297-239-A A-1297-449-A
D Board A-1341-751-A A-1341-726-A
G Board A-1316-180-A A-1316-149-A
N Board A-1390-415-A A-1390-351-A
CR Board A-1331-337-A A-1331-259-A
CG Board A-1331-338-A A-1331-260-A
CB Board A-1331-339-A A-1331-261-A
Cont.
Reference: E. Collins PRINTED IN USA
TV Products Service Bulletin No. 221R1
Model KP-53S55
Serial Number 9000001 and above 9100001 and above
Part Number Part Number
Red CRT 8-736-074-05 8-736-636-05
Green CRT 8-736-072-05 8-736-634-05
Blue CRT 8-736-073-05 8-736-635-05
A Board A-1297-239-A A-1297-449-A
D Board A-1341-751-A A-1341-726-A
G Board A-1316-180-A A-1316-149-A
N Board A-1390-415-A A-1390-351-A
CR Board A-1331-337-A A-1331-259-A
CG Board A-1331-338-A A-1331-260-A
CB Board A-1331-339-A A-1331-261-A