JVC XV-521BK Service Manual page 14

XV-521BK/523GD/522SL
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
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
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
Laser current value
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.
1-14
" ( ;Version.
" ( ;Version.
0
0
4
FL indicator
;Region code)
;Region code)
0
d 0
Jitter value