Daewoo DTU-14XX ME Service Manual page 53

TROUBLE SHOOTING CHARTS
8. REMOTE CONTROL UNIT TROUBLE
CHECK BATTERY AND
LED OF REMOCON
NORMAL
CHECK IR OF PREAMP
AND VCC OF PREAMP IC(IF01)
NORMAL
CHECK / REPLACE
2'nd PIN OF I701
ABNORMAL
ABNORMAL
-52-
REPLACE
BATTERY
REPLACE
PREAMP IC(IF01)