|
|
|
Who's Online
There currently are 6043 guests online. |
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
;
Super Anleitung. Ordentliche Auflösung. Das ganze noch in Deutsch wäre zu schön. Alle Datenblätter sind sauber Kopiert und alle Leitungswege sind sauber ausgeführt
;
Thanks God for the internet and thanks for the service like this - proffessional solution on time.
;
About the service it's very fast and reliable. About the manual the quality is high enough to read even the tiniest details on the wiring diagrams so you can't ask much more than that, let it alone for a manual of a product from 20 years ago. Thank you, very satisfied.
;
The downloaded quality was as good as the orignial
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.
69
|
|
|
> |
|
