LG EC970W - A;V Circuit Diagram

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3. A/V Circuit Diagram
1
4
5
2
7
8
13
11 12
2
39
1014
6
2
PB SECAM COLOR
REC AUDIO
PB Y+C
PB Y
PB C
REC Y+C
REC Y
REC C
REC SECAM COLOR
PB AUDIO(MONO)
WAVEFORM
Audio Tracking is failed.
IC301 Pin 84 is defective.
PB COLOR Signal disappear.
IC301 Pin70 is defective.
PB COLOR Signal disappear.
X301 is defective.
D301 or IC301 Pin 80
REC is defective.
PB and Recording is failed.
(IC301 doesn’t operate.)
IC301 Pin 69, 68 are defective.
Normal Audio signal is not recorded.
FL301, Q301, Q306 are defective.
No mono Audio Signal
in PB MODE.
Q302, Q303, Q304
are defective.