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Great value service manual!
Good-quality scans. Detailed and valuable informations.
A+++++++++++++++
;
Great value service manual!
Good-quality scans. Detailed and valuable informations.
A+++++++++++++++
;
Excellent scan quality. A complete and very useful manual with all details.
Great service at low price A+++++++++++++++++
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The manual is very good quality. very good graphics. complete
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
2. Servo Circuit
A. Unstable Video in PB Mode.
Does the on screen noise level change periodically?
YES
Do CTL pulses appear at IC501 pin 97?
YES NO
Does the CFG divideIC501 waveform appear at pin 87?
YES
Is the height of the CTL Head adjusted correctly?
NO
Do the CTL pulses move when TRK is operated?
YES NO
Adjust the CTL Head.
Does the Video Envelope waveform appear at IC501 Pin 9?
YES NO
Replace IC501.
Replace IC501.
Check Y/C Block.
3-7
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