Drive Auto Adjustment - Sony DVP-F21 Service Manual

6-4. DRIVE AUTO ADJUSTMENT

On the Test Mode Menu screen, press
commander, 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), and LCD (SACD) 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 currently adjusted is displayed on the fluorescent
display tube.
The disc used for adjustment must be the one specified for
adjustment.
0. ALL
You will be asked if EEPROM data are initialized or not, and for
[0]
this prompt, select and press the
servo setting data in EEPROM, Emergency History and Hour
Meter are cleared to initialize. Then, 1. DVD-SL disc, 2. CD disc,
3. DVD-DL disc, and 4. LCD disc (SACD disc) are adjusted in
this order. Each time one disc was adjusted, it is ejected, and
therefore exchange the disc following the message. Though the
message to confirm whether the discs is to be adjusted is not
displayed except for LCD disk (SACD disk), you can exit the
[STOP]
adjustment by pressing the
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]
key on the remote
[ENTER]
key. First, the
button. In adjusting each
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 TILT Reset
2. Disc Check Memory SL
3. Set Disc Type SL
4. Spdl Start
5. Wait 1 sec
6. LD ON
7. Focus Error Check
8. Focus ON 0
9. Auto Track Offset Adjust L0
10. Trv Level Check
11. Tracking ON
12. Wait 100 msec
13. CLVA ON
14. Wait 500 msec
15. Sled ON
16. Auto Loop Filter Offset Adjust
17. Auto Focus Gain Adjust L0
18. Auto Focus Balance Adjust L0
19. EQ Boost Adjust
20. Auto Loop Filter Offset Adjust
21. RF Level Measure
22. Jitter Disp ON
23. Jitter Memory
24. Jitter Disp OFF
25. Eep Copy Loop Filter Offset
26. All Servo Stop
6-5
[ENTER]
key,