A/V Circuit Diagram - Zenith XBR411 Manual

3. A/V CIRCUIT DIAGRAM

PB Y+C
REC Y+C
WAVEFORM
IC301 doesn't operate.
IC301 Pins 53, 54, 55 are defective.
PB COLOR Signal does not appear.
IC301 Pin 57 is defective.
Auto Tracking has failed.
IC301 Pin 59 is defective.
9
8
Normal Audio Signal is not recorded.
FL301, Q304, Q305 are defective.
PB COLOR Signal disappear.
X301 is defective.
6
3
2
5
4
1
1
1
7
3-38 3-39
EE, PB Screen doesn't appear.
IC306, Q307 are defective.