Daewoo DLT-26C2 Service Manual page 25

When Remote Controller does not operate
Does Remote Controller
operate?
Does Set turn on with
Key operation?
Whenever press the button of
remote controller, does 6th pin of
1. IR Receiving BLOCK of main PCB has a trouble.
2. Check main PCB
Check Start
Y
Does LED turn on
in Red?
Y
Y
Y
P912A output normal?
Y
N
1. Confirm AC connection
2. Confirm Power S/W ON
N
Check the Battery of Remote
Controller
N
1. Check the connection to main PCB.
2. Check the main PCB or sub PCB.
N
LED PCB has a trouble.
So Exchange LED PCB.