Daewoo DM-K40 - Parts Lists; 4.1. Power Supply Component List

Daewoo DM-K40 Service Manual
Page 35
3.7. Remote Control Trouble Service Flow Chart
Remote Control Trouble
NG NG
Check Remote Control Replace Battery Replace Control
OK
NG
Check U3 Pin2 Voltage Check Power Supply
OK
NG
Check U3 Pin3 Output Signal Replace U3
OK
NG
Check U1 Pin201 Input Signal Replace L23
OK
Replace U1