Improved IC901 CPU on the D Board (C_P0178).pdf

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CONFIDENTIAL
Service Bulletin
Computer Monitors
â
CSI-111
Sony Service Company
National Technical Services
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656
178
Model:
CPD-100ES, CPD-200ES
No.
Subject:
Improved IC901 CPU on the D Board
Date:
February 5, 1998
Symptom:
(***)
If the CPU IC901 needs to be replaced on the D Board, an improved component is
available for IC901 replacement. The new IC901 operating program provides
improved DDC access timing.
Solution:
Then, please use the new description and part number given in the table below to
order replacement parts. Update the schematic diagram and parts list references in
the service manual for each respective model.
REF
DESCRIPTION
PART NUMBER
IC901
ST7272N5B1/CUS
8-749-014-36
Reference: DSE ECN: KV761592; J. Grose
PRINTED IN USA
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