JVC XV-N510B, Service Manual

Page: 17 / 67

(No.YD016)1-17
4.6 Display of current value of laser
(1) Set the main body at test mode.
(2) Press "SET UP" key of the remote controller four times. Then, FL display is displayed "CHECK".
(3) The laser current value can be switched between the value of CD and that of DVD by pressing the following key of the remote
controller.
The number shown in the FL display shows mA of current value of laser.The first two numbers ("25" in "2530") shows current
value of laser at the time of adjustment after the latest all-initialization, 25mA in this example.The last two numbers ("30" in
"2530") shows the present current value of laser, 30mA in this example.The first two numbers ("25" in "2530") usually shows
current value of laser at the time of shipment, so you can see how the product has been deteriorated by comparing the first two
numbers ("25" in "2530") and the last two numbers ("30" in "2530").
CD:
The laser current value of 65 mA or less is normal.
The laser current value of over 66 mA is not normal. Laser diode of the pickup has been deteriorated.
DVD:
The laser current value of 80 mA or less is normal.
The laser current value of over 81 mA is not normal. Laser diode of the pickup has been deteriorated.
To return to test mode, press "STOP" key of the main body.
4.7 Flap adjustment of the pick-up guide shaft
Please perform flap adjustment of the pick-up guide shaft in the following case:
• Just after you exchange the pick-up.
• Just after you exchange the spindle motor.
• Just after you exchange the traverse mechanism base.
NOTE:
Please perform flap adjustment of the pick-up guide shaft when you exchange the parts above and also when you remove the
parts above.
• When the reading accuracy of the signal is bad (There is a block noise in the screen, Screen stops in the outer circumference of a
disc, etc.)
2530 0000
FL Display (Example)
Remote controller "4" key --- Laser of CD
Remote controller "5" key --- Laser of DVD
STANDBY/ON
2
5
8
1
4
7
3
6
9
0 10 +10
TITLE
/GROUP
TV/VIDEO
CANCEL RETURN PAGE
VOL VOL+
CH+
CH
VFP ZOOM
AMP
VOL
AUDIO
3D PHONIC
SUB TITLE ANGLE
DIMMER
REPEAT
OPEN
/CLOSE
TV1 TV2 TV3
TV4 TV5 TV6
TV7 TV8 TV9
TV-/-- TV0 MUTING
TV DVD
NEXT PREVIOUS
SELECT CLEAR
SLOW- SLOW+
TO
P
ME
NU ME
NU
ON
SC
RE
EN
SE
T U
P
ENTER
TV DVD
PROGRESSIVE
SCAN
fs/Rate
POWER key
SET UP key
(change of mode)
STOP key
(for test mode)
PLAY key
(for test mode)
FL Display
4 key (laser of CD)
5 key (laser of DVD)