A/V Circuit Diagram - Zenith XBS344 Series Service Manual

4. A/V CIRCUIT DIAGRAM

IC301 Pin 59 is defective.
Auto Tracking is failed.
PB Y+C
REC Y+C
WAVEFORM
IC301 Pins 53, 54, 55 are defective.
IC301 doesn't operate.
IC301 Pin 57 is defective.
PB COLOR Signal disappear.
9
8
FL301, Q304, Q305 are defective.
Normal Audio Signal is not recorded.
6
X301 is defective.
PB COLOR Signal disappear.
3
2
5
4
1
1
1
7
3-38 3-39
Q306, Q307 are defective.
EE, PB Screen doesn't appear.