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Complete service manual in very good scanning quality with all schematic and PWB graphics as well as assembly & maintenance instructions. A slight drawback is that the rastering of the PWB graphics sometimes makes it a bit difficult to follow fine traces, but no showstopper.
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site. Thank you very much
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Service manual in good quality, it was very helpful to me. Perfect service, I am very satisfied.
Jochen Kelm
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Exellent manual ,it was in great condition,and got all the info i expected,5 stars!!
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I searched the Internet exhaustively for this manual and Owner-Manuals was the least expensive...but provided an excellent reproduction within 4 hours. Very satisified.
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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