THOMSON DTH175EL - Remote Control Trouble Service Flow Chart

THOMSON DTH175EL Service Manual
Remote Control Trouble Service Flow Chart
Remote Control Trouble
OK
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 U4 Pin111 Signal Replace C22/R24
OK
Replace U4