Daewoo DM-K40 - 3.6. Front Control Troubleshooting

Daewoo DM-K40 Service Manual
Page 33
3.5. Digital Audio Trouble Service Flow Chart
Digital Audio Trouble
NG
Check “SETUP” Item See “User Manual”
OK
NG
Check U5 Pin9 Signal Replace U1
OK
NG
Check U5 Pin8 Signal ReplaceU5
OK
NG
CheckR130 Signal Check External Set
OK
NG
Check C147 Replace C147
OK
NG
Check R132 Replace R132/R133/C148
OK
Check External Set