Service manual

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4. A/V CIRCUIT DIAGRAM
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4HD Hi-Fi Model Only
4HD/4HD Hi-Fi Model Only
Y. (REC)
C. (REC)
Y. (PB)
C. (PB)
AUDIO. (PB) AUDIO. (EE)
AUDIO. (REC)
WAVEFORM
Video output Noise in REC/PB.
Video H/SW level is defective.
Q302, Q303, Q304 are defective.
No mono Audio Signal in PB Mode.
FL301, Q301, Q306 are defective.
No mono Audio Signal is not recorded.
Q305 are defective.
EE, PB screen doesn’t appear.
No Color in REC/PB.
R333, C350, C349 are defective.
No Color in playout.
L306, C346 are defective.
Video output Level is unstable.
C339 is defective.
No Color in PB.
R338, C338 are defective.
Video Distortion in REC/PB.
R322, C318, R325 are defective.