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NO POWER
(POWER INDICATOR OFF)
CHECK J601
VOLTAGE
(18V, 12V, 5V)?
YES
CHECK
J602 VOLTAGE
(LPL: 24V,
CMO: 12V) ?
YES
CHECK
X401
(14.318MHz) ?
YES
CHECK
J601
(SUB POWER) ?
YES
CHECK KEY
CONTROL BOARD
TROUBLESHOOTING GUIDE
1. NO POWER
NO
NO
NO
NO
- 14 -
CHECK POWER BOARD
CHECK POWER BOARD
CHECK X401
CHECK MICOM(U402)
SUB POWER PORT(R419)
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