JVC MX-DVB10 Service Manual page 32

MX-DVB10
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 "STOP" button and "CANCEL / DEMO" button.
4) FL Display indicate "
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) After a few seconds, 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 button to remote controller without turning on the disk.
Remote control "4" button --- Laser of CD
Remote control "5" button --- 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, please change the pick-up when there is 65mA or more laser current value.
1-32
" , depend on its area and region code.
FL Display
0 0 4 0 3 9 7 8
Jitter value
* The test mode is canceled when
the power is turned off.
*Returns to a usual test mode by the
thing to push the "CLEAR" button of
remote controller.