Drive Auto Adjustment - Sony DVP-CX875P Service Manual

6-4. DRIVE AUTO ADJUSTMENT

DVD reference disc
Single Layer
HLX-503 (J-6090-069-A) (NTSC) OR
HLX-504 (J-6090-088-A) (NTSC)
Dual Layer
HLX-501 (J-6090-071-A) (NTSC) OR
HLX-505 (J-6090-089-A) (NTSC)
TEST CD
YEDS-18 (3-702-101-01)
On the Test Mode Menu screen, press
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
[0]
Normally, 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. Which disc is cur-
rently adjusted is displayed on the fluorescent display tube.
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
[0]
this prompt, select and press the
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. You can exit the adjust-
ment 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.
Three kinds of discs can be set in advance. In this case, set discs in
order to the displayed number with following the massage. Every
time after adjusting a disc, the disc is replaced and adjustment is
continued automatically.
Set Disc
Disc slot number 1: DVD-SL
Disc slot number 2: CD
Disc slot number 3: DVD-DL
[1]
key on the remote com-
[ENTER]
key. First , the servo
1. DVD-SL (single layer)
[1]
Select , insert DVD single layer disc, and press
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 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. Jitter Measure
22. Eep Copy Loop Filter Offset
23. All Servo Stop
6-6
[ENTER]
key,