Pioneer DVR-543H-S Service Manual page 88

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(2) LD degration judgment of ATA/ATAPI DEBUG OSD (Subscreen 4)
3 7 63 1515 0
[How to enter]
• While the User Operation screen is displayed, press the ESC , DISP then 2 keys, then the DIG/ANA
A
key three times, in that order.
[How to quit]
Press the ESC key.
• 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.
• For RF measurement (item 5), it is recommended to use the Test disc (GGV1025).
As the RF level differs depending on the characteristics of the pickup from product to product, it cannot
be used for judging degradation of the LD. Use the RF level as a rough guide to know the difference
B
between before and after lens cleaning.
[Procedures] To update the value for each item, press the SEARCH key while subscreen 4 is displayed.
For details on each item and the conditions of updating the values, see Table 2 below.
A T A / A T A P I - LD Degrade
1 C D : 0 0 7 0
2 D V D : 0 0 6 8
3 T M P : 0 0 A 3
4 A D J : 0 0 67
RF : 3 D 7 0
5
C
TLT : F F D 5
6
Table 2: Description of each item and conditions for updating data
TE
L 13942296513
No. Item
Degradation judgment of LD for CD. Regarded as NG when the value
1
CD
is 120% or higher (same standard as for the PC drive)
Degradation judgment of LD for DVD. Regarded as NG when the
2
DVD
value is 120% or higher (same standard as for the PC drive)
D
3
TMP Current temperature inside the Writer
4
ADJ Temperature (approx. 25°C) inside the Writer during adjustment
RF level (16-bit data, proportional calculation performed using the
5
RF
actual RF level value with 2.5 V = 0xFFFF as the maximum value,
displayed in 4-digit hexadecimal)
Writer adjustment data for straight (non-HDD) model
6
TLT
(FFFF is diplayed when the writer is not adjusted.)
If the results of degradation of the LDs for CDs and DVDs are both NG, replace the drive.
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4 1 °C
2 6 °C
Description
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3
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3 6 7 1 3
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
During playback of disc medium
(GGV1025)
No condition
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.
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
Conditions for updating by
pressing the SEARCH key
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4
9 9
2 8 9 9