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Power source system 2
STBY5 Diagnosed as
abnormal power source.
Is RD-SD lead wire OK?
YES
Remove the SD connector
from the PCB-MAIN.
Is the pin No. 6
of the RD
connector -5V?
PCB-POWER
YES
Malfunction of the PCB-MAIN.
NO
Is the voltage on
the both sides of
NO
C952 on the PCB-
POWER 17V?
YES
Check the circuit around
IC907.
- 3 -
Insert the lead wire. Or
replace the lead wire.
NO
PCB-POWER
Malfunction of Z950 or Z951.
Check the circuit around
IC904, IC906 and IC907.
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