BSI(Service Note) TOSHIBA
TOSHIBA TEC CORPORATION
2-4-1, Shibakoen, Minato-ku, TOKYO, 105-8524 JAPAN
BSI No
F97H992
SUBJECT
SUB CPU(PWA-SUB)/PFC CPU(PWA-PFC) Changed to Mask ROM Type
MODEL
CATEGORY
To improve the productivity
From Jul. 1997
CONTENT
SUB CPU on the sub-logic PC board (PWA-SUB) and PFC CPU on the paper feeding control PC
board (PWA-PFC) have been changed from the one-time PROM type to the mask ROM type. At the
same time, the IC sockets are deleted and SUB CPU/PFC CPU are directly attached to the PC
board.
5560, 6560
FIELD APPLICATION
Others
FACTORY APPLICATION
Date
97/09/05
UNIT
Electrical Circuit
DTM-F7701
[ Changed Parts NO. ]
Part Name
SUB CPU 4402325510
IC-154SUB-01
PFC CPU 4402325520
IC-154PFC-01
IC Socket 4843321159
SKT-DICS-64A
Current New Remarks Interchangeability
3040571398
TMP90CH44N-6311
3040571400
TMP91C640N-2224
----- Deleted
IC12 E
IC2 E
--
(PWA-SUB, PFC)