A/V Circuit Diagram - Philips DVP721VR Service Manual

4. A/V CIRCUIT DIAGRAM

IC301 Pin70 is defective.
PB COLOR Signal disappear.
D301or IC301 Pin 80
REC is defective.
IC301 Pin 84 is defective.
Audio Tracking is failed.
4
5
Q302, Q303, Q314
are defective.
No mono Audio Signal
in PB MODE.
PB Y+C REC Y+C
PB Y REC Y
PB C REC C
PB SECAM COLOR REC SECAM COLOR
IC301 Pin 69, 68 are defective.
PB and Recording is failed.
(IC301 doesn't operate.)
Q305 is defective.
EE, PB Screen doesn't appear.
9 3
6
1
14
10
11
Q301, Q306 are defective.
Normal Audio signal is not recorded.
REC AUDIO
PB AUDIO(MONO)
WAVEFORM
2
2
2
7
8 13
12
X301 is defective.
PB COLOR Signal disappear.
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