Daewoo DN-K538, Service Manual

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Daewoo DN-K538 Service Manual
36
Replace
D1/D2/D6/D7/D8/D9/D10/
D11/D12
3.1. 2 Power Supply Trouble Service Flow Chart
嗻
VIPER 22A
嗼
Power Supply
Block Trouble
NG
Check FU1 Condition Replace FU1
OK
NG
Check F01 Condition Replace F01
OK
Check on D1/D2/D6/D7
NG
D8/D9/D10/D11/D12
Output Voltage Condition
OK
NG
Check on U1 Replace U1
Voltage Condition
Pin1(2.0V)/ Pin2(0V)/ Pin3 (2.6V)
NG
NG
Check on U4 Replace U4
NG
NG
Check on U3 Replace U3
Check J3
Output Voltage