10
YES
Is the correct
voltage presented
between CK2111 (+24V) and
CK2113 (GND) on MAIN PCB to confirm
Power button operation?
CK2111
(+22.8 to +25.2 V)
MAIN PCB
CK2113
(GND)
Is the correct voltage
presented between
Pin 3 of IC2105 and CK2113 (GND),
Pin 3 of IC2102 and CK2113 (GND)
on MAIN PCB?
Pin 3 of IC2105
(+4.6 to +5.0 V)
Pin 3 of IC2102
(+11.5 to +12.5 V)
CK2113
(GND)
YES
NO
NO
No power
(from the previous section)
Replace MAIN PCB.
Abnormality in microcomputer related circuits.
Replace MAIN PCB.
Abnormality in DC_POWER circuit.
Replace MAIN PCB.
Summary of Contents for SL-1500C
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