Adjustment Method - JVC XV-S40BK Service Manual

Adjustment method

(1) Initialization method
If microprocessor (IC401,IC402,IC403) or pick-up is replaces, initialize the
DVD player in the following matter
1)Take out the disc and close the tray.
2)Unplug the power plug.
3)Insert power plug into outlet while pressing both PLAY button and OPEN/CLOSE button.
4)FL Display indicate "TEST
5)Press 3D-PHONIC key button of remote controller. and EEPROM initialize start.
6)When indicate "DTS" on the display, initialize finishes.
7)The power is turned OFF, and Unplug the power plug.
(2) Display of "Laser current value" and "Jitter value"
"Laser current value" and "Jitter value" are displayed on the FL display by the undermentioned
method. Please refer to the failure diagnosis.
1)Take out the disc and close the tray.
2)Unplug the power plug.
3)Insert power plug into outlet while pressing both PLAY button and OPEN/CLOSE button.
4)FL Display indicate "TEST
5)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.)
6)Press the "PLAY" button.
7)The laser current value and the jitter value is displayed on the FL indicator as follows.
Laser current value
For Laser current value
The laser current value becomes 40mA for the above-mentioned.
Becomes a test mode by doing above-mentioned procedure 1) - 4). Afterwards, the laser current value can
be switched by pushing the key to remote control without turning on the disk.
Remote control "4" key --- Laser of CD
Remote control "5" key --- Laser of DVD
If the laser current value is 64mA or less, it is roughly good. There is a possibility to which pick-up is
deteriorated, and exchange pick-up, please when there are 65mA or more laser current value.
" . :Destination area code,
" . :Destination area code,
FL Display
0 0 4 0 3 9 7 8
Jitter value
XV-S40BK/XV-S42SL/XV-E100SL
:Region code
:Region code
* The test mode is canceled when
the power is turned off.
*Returns to a usual test mode by the
thing to push the stop button of
remote control.
1-15