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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-43T70, KP-46C70, KP-48S70 No. 446R1
KP-48S72, KP-53N74, KP-53S70, KP-61S70

Subject: Part Number Correction Date: January 18, 2000
Reference No. 253, 254, 255


Symptom:
(xxxx) The CRT part number listed on pages 106 and 130 of the Service Manual for Ref #
253, 254, and 255 is incorrect.

Solution: Please note the correct part number as shown below.




MODELS REF DESCRIPTION PART NUMBER
INCORRECT CORRECT
43T70 253 CRT (R) 8-733-571-15 8-733-571-05
46C70 254 CRT (G) 8-733-570-15 8-733-570-05
255 CRT (B) 8-733-574-15 8-733-574-05
48S70 253 CRT (R) 8-733-572-15 8-733-572-05
48S72 254 CRT (G) 8-733-570-15 8-733-570-05
255 CRT (B) 8-733-575-15 8-733-575-05
53S70 253 CRT (R) A-1501-526-A
S/N 254 CRT (G) A-1501-522-A
90XXX. 255 CRT (B) A-1501-527-A
53S70 253 CRT (R) 8-733-572-05
S/N 254 CRT (G) 8-733-570-05
95XXX 255 CRT (B) 8-733-575-05
53N74 253 CRT (R) 8-733-572-15 8-733-572-05
254 CRT (G) 8-733-570-15 8-733-570-05
255 CRT (B) 8-733-575-15 8-733-575-05
61S70 253 CRT (R) 8-733-573-15 8-733-573-05
254 CRT (G) 8-733-570-15 8-733-570-05
255 CRT (B) 8-733-576-15 8-733-576-05



Note: Two types of CRTs are used in the KP-53S70. These CRT are not interchangeable.
The CRT used will depend on the serial number. If the serial number begins with 90
then use the P/N beginning with "A". If the serial number begins with 95 then use the
CRT P/N beginning with "8".




Reference: FPR-U1675 PRINTED IN USA