Daewoo DN-K538 Service Manual
3.5. Front Control Trouble Service Flow Chart
Front Control Trouble
NG
Check between CN1 Connection
Replace CN1
OK
NG
Check U1 pin7 Vol 5V
Check C7,C1,R8
OK
OK
NG
Check LED Array
Replace U1
Replace C7,C1,R8
Replace LED Array
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