I Recently purchased yet another Service Manual from Owner-Manuals.com, this time for a Sony EVS700ES/UB Videocassette Recorder. The Manual was available for upload within two hours and is an Extremely Good copy, as some of this I was able to enlarge to get even better detail.
Once Again, Very happy with the result!
A good and useful manual. With these, We was abled to isolate and pin point the component that was causing the problem. The total time spent in troubleshooting is very much reduced.
Excellent service manual with all the necessary info. :)
Text excerpt from page 44 (click to view)
TROUBLESHOOTING FLOW CHART
2. SERVO-SYSCON CIRCUIT
A.
Playback picture is not good
Adjust tracking.
Noise appears although adjusting tracking.
NO
Noise appears although change cassette tape.
YES
Check and re-adjust the path of Deck.
YES Is CTL pulse output at pin 97 of IC 601? NO CTL HEAD height is normal and there is not dust? NO Adjust the HEAD height and remove dust. Check circuit adjacent to IC 601
YES The voltage of pin 6 of IC 601 not changing? YES Playback picture Check IC 601 is not good NO