Servicing Notes - Sony NW-MS9 Service Manual

• NOTE FOR REPLACING THE EEPROM (IC6002)
In case of replacing the EEPROM (IC6002) when repairing this
set, it is necessary to write the setting for destination.
When replacing the EEPROM (IC6002), write the setting for
destination, referring to "4. TEST MODE, Items to Check in
the Test Mode, 3-2. Writing Destination".
• Replacement of MBM29LV400BC-90PBT (IC5000),
HY62UF16201ALLF (IC5600), CXD9534BGG (IC7001) and
CXD1859GA (IC8000) used in this set requires a special tool.
• To check the operation when the MAIN board and SUB board
are removed, check it after connecting CN100 on the MAIN
board and CN200 on the SUB board with the servicing jig (relay
board between the MAIN board and SUB board) as shown below.
SUB board
console unit
SECTION 1

SERVICING NOTES

MAIN board
servicing jig
(MAIN/SUB relay board)
NW-MS9
3