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Very good service and quick service, very good quality of service manual!
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Great tape deck manual!
I'm very positively surprised, because it is a very long manual, lot of pages, drawings, diagrams, description of how to make the alignment and adjustment procedures.
It is as good as the old "Naka" manuals from the 1970's - if somebody have seen them, they know what I mean by that.
I recommend to buy this very much !
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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
XV-521BK/523GD/525BK/421BK
Main adjustment
Adjustment and confirmation matter (1) Auto adjustment method
If microprocessor (IC401, IC402, IC791, IC403) or Pick-up is replaced, initialize the DVD player in the following matter: 1. Initialize the DVD player in the following matter: 1) Make sure that no disc is on the tray. 2)Insert the power pulag to the outret while pressing "PLAY" and "OPEN/CLOSE" button at the same time. FL Display indicate "TEST "( ;Version. ;Region code) 3)Press 3D-PHONIC button. And EEPROM initialize start. 4)When indicate "V.REPLACE" on the display , initialize finished. The test mode is cancelled when the power is turned off.
(2)Flap adjustment of the Pick-up guide shaft
1) Make sure that no disc is on the tray. 2)Insert the power pulag to the outret while pressing "PLAY" and "OPEN/CLOSE" button at the same time. FL Display indicate "TEST " ( ;Version. ;Region code) 3)Press the "OPEN/CLOSE" button to move the tray outward. Put the Test Disc (VT-501)on the tray and press "OPEN/CLOSE" button. The tray should move inward (Note:Don't push to close the tray directly by hand etc. 4)Press the "PLAY" button. 5)The laser current and the jitter value is displayed on the FL indicator as follows.
3 9 0 0 Laser current value FL indicator
4
d 0 Jitter value
0
6)Set the Jitter value of FL indicator to minimum by adjusting the pick-up guide shaft flap. The test mode is cancelled when the power is turned off.
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