Pioneer DVR-231-S Service Manual page 57

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2. ATA/ATAPI Debug Screen (Second screen)
QQ
3 7 63 1515 0
[Purposes]
To be used as a rough guide to judge
whether the pickup unit is all right or not
• Dirt on the pickup lens
• Degradation of the laser diodes for
reading CDs and reading/writing to/from
DVDs
[How to enter]
• While the User Operation display is displayed, press the ESC , DISP , then 2 keys, in that order.
[How to quit]
LD degration judgement of ATA/ATAPI DEBUG OSD
• For correct measurement of items 1 to 4 indicated in the display below, leave the unit at room
[Notes]
temperature (25°C) for a while before turning it on, and do not load a disc.
[Procedures]
A T A / A T A P I - LD Degrade
1 C D
D V D : 0 0 6 9
2
3 T M P : 0 0 A 9
TE
L 13942296513
A D J : 0 0 8 C
4
Table 1: Description of each item and conditions for updating data
No. Item
1
CD
2
DVD
3
TMP
4
ADJ
If the results of degradation of the LDs for CDs and DVDs are both NG, replace the drive.
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http://www.xiaoyu163.com
Press the ESC key.
To update the value for each item, press the SEARCH key while the screen is displayed.
For details on each item and the conditions of updating the values, see Table 1 below.
: 0 0 6 C 1 0 2 % O K
1 0 1 % O K
4 2 °C
3 5 °C
Degradation judgment of LD for CD. Regarded as NG when the value
is 120% or higher (same standard as for the PC drive)
Degradation judgment of LD for DVD. Regarded as NG when the
value is 120% or higher (same standard as for the PC drive)
Current temperature inside the Writer
Temperature (approx. 25°C) inside the Writer during adjustment
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http://www.xiaoyu163.com
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8
[Tools to be used]
Remote control unit for servicing
Q Q
3 6 7 1 3
Description
u163
.
DVR-231-S
6
7
2 9 9 4 2 8
Aluminum-coated test disc
(GGF1381)
1 5 0 5 8 2 9 9 4
Conditions for updating by
pressing the SEARCH key
No disc inserted in the disc tray
No disc inserted in the disc tray
No disc inserted in the disc tray
No disc inserted in the disc tray
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co
7
8
9 9
A
(GGV1025)
B
C
2 8 9 9
D
E
F
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