Daewoo DLT-20W2, Service Manual

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Trouble Shooting
7-8. When Remote Controller does not operate.
Does input of key operate?
Does remote
Controller operate?
Whenever push the button of
Remote controller, does the 2nd pin
Of P501A output normal?
Check the I501
Check the battery of
remote controller
Exchange the Key PCB
Check start
Y
N
N
N
Y
Y
Y
Check IR cable and I501
Output of 2 nd pin of P501A (IR) : PCB for Remote Control EX) Push “PR DOWN” button.