2-8 (E)
CA-550
CA-550P
2-10. Periodic Replacement Part
The CALL switch cover on the right side of the unit is a
periodic replacement part. It is subject to cracks with the
lapse of time. Check sometimes by visual, and replace as
necessary.
Description Sony P/N
COVER, SW 3-676-244-1X
2-11. Notes on Service
2-11-1.Description of EEPROM Data
The table below gives the holding data of EEPROM IC2
on the MB-605 board.
Board Ref. No. Holding data
MB-605 IC2 Model name, Serial number of the unit,
Power-on time(at a rough estimate)
n
IC2 on the MB-605 board cannot be replaced because it is
the EEPROM that is holding data inherent in the unit. The
part number listed in Section 4 “Spare Parts” is for an
EEPROM which is not programmed. If replacement is
needed, consult your Sony representatives.
CALL SW COVER
2-10. Periodic Replacement Part
2-11. Notes on Service
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