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6-7. POWER CHECK
When the set is switched on, the power LED turns red?
When remote controller is switched on, LED turns green?
Push the SW1 (Slide switch) of POWER MODULE
in the opposite direction of
Then, check LOW B+.
Is each voltage (30V, 12V, 5V) of CONNECTOR P3
correct?
Is each voltage(5V, 3.3V) of CONNECTOR P5
correct?
Is 1 pin voltage of CONNECTOR P7 and P9
correct at 15V?
Is 1 pin voltage of CONNECTOR P10 and P11 correct
at 15V?
YES
YES
YES
YES
- 27 -
NO
1. Check Fuse F1 open
2. Check RC 1(Bridge Diode)
NO
Is 7PIN of CONNECTOR P2
0 V?
Check R20, R21, R22 open
After P3 CONNECTOR is
NO
separated, is each voltage
(30V, 12V, 5V) correct?
Check Audio AMP PCB
After P5 CONNECTOR is
NO
separated, is each voltage
(5V, 3.3V) correct?
Check Digital PCB
NO
After P7 CONNCETOR is
Separated, 15V
present?
After P9 CONNCETOR is
Separated, 15V
present?
NO
After P10 CONNCETOR is
Separated, 15V
present?
Service manual SP-110
open/short
NO
Check
VIDEO
PCB?
YES
YES
YES
YES
Check
X-sus
PCB
NO
Check
YES
Y-sus
PCB
NO
NO
NO
YES
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