LG DR1F9H User Manual

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11. NO TV, EXTERNAL INPUT VIDEO SIGNAL
IC803 pin 21, 22, 25,
26 : Is there a signal?
No video signal of external
input AV3 (Rear RCA input)
CHECK Cable con-
nection & Input signal
CHECK Cable con-
nection & Input signal
C917,C923,C934 :
Is there a signal ?
C618 :
Is there a signal ?
C859, C869, C871 :
Is there a signal?
NO
NO
NO
YES
YES
No video signal of external input
AV4 (Composite / S-Video)
YES
YES
YES
YES
YES
YES YES
When Cable connecting Tuner and Rear
SCART1, 2 No TV video signal (AV1/2)
NONONO
YES
YES
YES YES
YES
IC901 pin 34
Or R999 (reset”H”) :
X901 (24.576MHz)
clock oscillated?
IC901 pin 108 or
R930 (VI_CLK) :
CHECK IC901 power
3.3V & 1.8V
CHECK No RGB / Component / Composite
/ S-Video Signal when play DISC
IC901 DEFECT
CHECK
IC1302 Reset Circuit
C926 : Is there a
signal?
CHECK IC 803 pin 2,4 (12V)
Pin 32,33 (SCL/SDA)
Replace IC803
R962, R978 (I
2
C) :
CHECK Cable con-
nection & Input signal

LG DR1F9H Specifications

General

Brand	LG
Model	DR1F9H
Category	DVD Recorder
Language	English