Daewoo DSP-4210GM, Service Manual

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Service manual SP-110
Does Remote Controller operate?
N
Check start
Y
1. Confirm Remote Controller operation and battery
N
N
N
Y
Is red LED next to POWER S/W
on?
1. Confirm AC connection
2. Confirm power S/W on
3. Inspect video PCB, LED PCB and other
blocks
Y
1. Connection with video PCB is N.G or video PCB N.G
2. Inspect video PCB and other blocks
1. LED PCB is N.G
2. Change LED PCB
NO Remote Controller operation
Is screen on with key input?
Is there waveform when pressing remocon
in IR NO.2 of P602
1. IR receipt block of video PCB is N.G
2. Inspect video PCB and other PCBs