13
DIAGNOSTICS OF OPTICAL PIC UP
d
Make failure diagnostics of the Optical Pickup as follows.
q
If the laser drive current (Iop) becomes more than BD : 6 mA , DVD or CD : 12 mA of the initial value, the Optical
Pickup should be replaced.
The laser drive current initial value is checked by "Iop checked Method" of ne t page.
w
Load five times of following disc again and playing it for one minute. It becomes the aim of the Optical Pickup
e change when it cannot play.
BD-RE
ABD-RE 40W(made by ALMEDIO)
In case of replacing the Pickup, change the whole part of the BD MAIN UNIT (including the MAIN PWB UNIT) or BD
MEC A UNIT ASSY.
No mechanical adjustment is necessary after the replacement. ( OW TO REPACE T E BD MAIN UNIT OR T E BD
MEC A UNIT ASSY (page 1 ))
L ser dri e current initi
ue
FL Display (The display part of 13 digits)
CD :
1
2
3
4
6
7
8
9
10
11
12
13
T 2 1 : m m m m : n n n n
FL Display (The display part of 13 digits)
DVD :
1
2
3
4
6
7
8
9
10
11
12
13
T 2 2 : m m m m : n n n n
FL Display (The display part of 13 digits)
BD(SL) :
1
2
3
4
6
7
8
9
10
11
12
13
T 2 3 : m m m m : n n n n
Disc no read, unsteady playback, etc.
Laser drive current (Iop) check.
The BD MAIN UNIT
or the BD MEC A UNIT ASSY replacing.
Current value of the BD Iop is 6 mA ,
DVD or CD Iop is 12 mA or more the
initial value.
q
Check the laser drive current value
Disc no read, unsteady playback, etc.
ABD-RE 40W disc playability check
(Load five times of following disc)
Disc cannot play.
The BD MAIN UNIT
or the BD MEC A UNIT ASSY replacing.
w
Check the playability disc
