Daewoo DSP-4210GM, Service Manual

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