DVP-PQ2 (serv.man2) - Sony DVD Service Manual (repair manual). Page 57

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6-5
6-4.
DRIVE  AUTO  ADJUSTMENT
On the Test Mode Menu screen, press 
[1]
 key on the remote com-
mander, and the drive auto adjustment menu will be displayed.
## Drive Auto Adjustment ##
Adjustment Menu
0. ALL
1. DVD-SL
2. CD
3. DVD-DL
4. LCD
Exit: RETURN
Normally, 
[0]
 is selected to adjust DVD (single layer), CD, DVD
(dual layer) in this order. But, individual items can be adjusted for
the case where adjustment is suspended due to an error. In this
mode, the adjustment can be made easily through the operation
following the message displayed on the screen.
The disc used for adjustment must be the one specified for adjust-
ment.
0. ALL
You will be asked if EEPROM data are initialized or not, and for
this prompt, select 
[0]
 and press the 
[ENTER]
 key. First , the servo
setting data in EEPROM, Emergency History and Hour Meter are
cleared to  initialize. Then, 1. DVD-SL disc, 2. CD disc, and
3. DVD-DL disc are adjusted in this order. Each time one disc was
adjusted, exchange the disc following the message. You can exit
the adjustment by pressing the
x
button. In adjusting each disc,
the mirror time is measured to check the disk type. In the auto
adjustment, whether the disc type is correct is not checked unlike
conventional models, and accordingly, take care not to insert a
different type of disc.
1. DVD-SL (single layer)
Select 
[1]
, insert DVD single layer disc, and press 
[ENTER]
 key,
and the adjustment will be made through the following steps, then
adjusted values will be written to the EEPROM.
DVD Single Layer Disc Adjustment Steps
1. Sled Tilt Reset
2. Disc Check Memory SL
3. Set Disc Type SL
4. Spdl Start
5. LD ON
6. Focus Error Check
7. Focus ON 0 with PI Level Musure
8. Auto Track Offset Adjust L0
9. Trv Level Check
10. Tracking ON
11. CLVA ON
12. Sled ON
13. Auto Focus Balance Adjust
14. Auto Loop Filter Offset Adjust
15. Auto Focus Gain Adjust L0
16. Auto Focus Balance Adjust L0
17. EQ Boost Adjust
18. Auto Loop Filter Offset Adjust
19. Auto Track Gain Adjust
20. RF Level Measure
21. Eep Copy Loop Filter Offset
22. All Servo Stop
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