Front Control Trouble Service Flow Chart - Daewoo DV-2500H Service Manual

3.5. Front Control Trouble Service Flow Chart

Front Control Trouble
Check between JP1 and MPEG Connection
Check between JP2 and Power Supply Connection
Check U2 Pin9/25 Voltage
Check U1 Pin1~7 Signal
Replace U1
DV-2500H Service Manual
OK
OK
Check U2
OK
SEG Signal
NG
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NG
Replace the cable between
NG
NG
Check Power Supply
OK
Replace U2
NG