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