LG MC-83A Manual De Uso página 49

5) Troubleshooting (Snubber circuit)
SYMPTOM
* R315, C314 : For Damping
R310, C310 : To protect pushpull output TR from Vertical Scanning stop by impulse noise thermal electric power
CHECK POINT
Bouncing Up
R306 ¡Ø
No Bouncing but DC
R305 ¡Ø
center voltage up
C312 ¡Ł
(At the top screen)
Black Bar & Noise
C312 (open)
(At the top screen)
SYMPTOM CHECK POINT
C315 ¡Ł
R307 ¡Ø
White Bar
C304
C306
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