![JVC UX-A10DVD Service Manual Download Page 42](http://html.mh-extra.com/html/jvc/ux-a10dvd/ux-a10dvd_service-manual_2036240042.webp)
1-42
UX-A10DVD
Jitter measurement value
Value of current of laser
As for the value of the current of the laser, the figure displayed on the FL display
reaches the current value as it is by the unit of mA.
It is 33mA if displayed as "0033".
<For CD>
If the value of the current of the laser is 49mA or less, it is possible to judge simply
with about normal.
The deterioration of the laser diode of picking up is thought when there are 50mA or more
value of the current of the laser.
<For DVD>
If the value of the current of the laser is 64mA or less, it is possible to judge simply
with about normal.
The deterioration of the laser diode of picking up is thought when there are 65mA or more
value of the current of the laser.
The jitter value is displayed by the hex
0033 0000
FL display(Example)
Value of current of laser
0033 20A2
FL display(Example)
jitter value
Remote control "4" button Value of current of laser for CD
Remote control "5" button Value of current of laser for DVD
<Please adjust when corresponding to the following.>
When you exchange picking up.
When you replace the spindle motor.
When the reading accuracy of the signal is low.
(The screen sometimes stops in outer which with the block noise to the screen on the disk)
T
E
S
E
T
E
P
R
O
D
M
R
2
(2) EEPROM
initialization
When the ENTER key is pushed in the test mode; Done the intialize for EEPROM of system CPU and
unit CPU.
FL
display
(3) Inside and outside surroundings tracking OFF
After searches for the DA disk to first TR and each last TR when " " and the
" " key are pushed in the test mode, tracking OFF is processed.
Summary of Contents for UX-A10DVD
Page 89: ...1 89 UX A10DVD M E M O ...