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6. Unstable Picture
6.1 Horizontal
Unstable
picture
Is the
pulse of pin 1 of
the IC501
correct?
Is the
pulse of pin 29 of
the IC201
correct?
Is the
input H.Sync
correct?
Trouble in Signal Cable
or 9P D-Sub Connector
>
*F WV Voltage
31.5 KHz
37.8 KHz
48 KHz
57 KHz
63.7 KHz
Trouble in [C50
or its ambient
circuit readjust
H.Hold VR.
Check the F/V
output voltage
1C204 (pin 1)
Check IC201 and
its ambient circuit
Yes
Check the Q201 and
its ambient circuit
14
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