Daewoo DPX-42D1NMSB Service Manual page 20

Main PCB Trouble Diagnosis
10-3. Key & IR Trouble Diagnosis
Check Start
LED light is appear?
Dose PDP TV turn on
by use remocone?
YES
OFF
Check the KEY Lock
function
ON
Check A/V Device
function
10-4. Remocon Trouble Diagnosis
Check Start
LED light is appear?
YES
Is battery available?
YES
Change Remocon
1. Check the connection of
NO
Key_LED_IR cable
2. Change the Key_LED_IR cable
3. Change IR_LED PCB
4. Change Video PCB
YES
NO
1. Change IR_LED PCB
2. Change Video PCB
1. Change KEY PCB
2. Change Video PCB
1. Check the connection of
Key_LED_IR cable
NO
2. Change the Key_LED_IR cable
3. Change IR_LED PCB
4. Change Video PCB
NO
1. Change Battery
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