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Good manual, schematics nice and clear with good quality scanning. Woul dhave been nice to have immediate access after purchasing though.
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I was very glad recieving the service manal from You. Manuals were delivered promptly and were correct as advertised. A complete and very usefull service manual with all details. Thank you!
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Very clear copy. No pages missing. Big bonus is that it includes supplement. Price is affordable compared to what others ask for.
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Found the quality of the copy excellent and a very quick service. I would certainly recommend the service.
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Good quality, clear diagrams. Exactly what I needed.
PDR-W739
6.5.4 Focus Bias Adjustment
Test Point Adjustment Point Adjustment Value Symptom when out of adjustment [Procedure]
(1) Press the SYNCHRO button in Stop mode. Note: Make sure the unit is in Stop mode. (2) Check that "OPT" disappears on the FL display. (3) Press the AUTO SPACE button so that "CDR 04ff34��" appears on the FL display. (4) Press the FINALIZE button for focus-in. (5) Press the PLAY/PAUSE 6 button for CAV-servo spindle kick. (6) Press the PLAY/PAUSE 6 button to close the tracking servo, then set the unit to Playback mode. (7) Adjust with the REC LEVEL knob until the above adjustment value to be reached is obtained. Press the REC LEVEL knob to register the adjustment. Once the adjustment is registered with the REC LEVEL knob, " ERASE " on the FL display will disappear. (8) Press the STOP button to stop the unit. CN102 - pin 1 (RF) SYNCHRO button, REC LEVEL knob Adjust until RF jitter is minimal or that the eye pattern of the RF waveform is most open. Sound broken, record characteristics deteriorate
RF 10 : 1 VC 10:1 probe Jitter Meter or Oscilloscope
Note: Adjustment must be done around mid-radius on a disc.
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