Sony HCD-EA20 Service Manual page 21

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1-1. DVD-SL (single layer)
[1]
Press the key on the remote commander and insert a DVD single
layer disc following the message. Then the adjustment will be made
through the steps below, 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. Wait 300 msec
4. Set disc type SL
5. LD on
6. Spindle start
7. Wait 1 sec
8. Focus servo on 0
9. Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. Wait 1 sec
14. Sled on
15. Check CLV on
16. Auto LFO adjust
17. Auto focus offset adjust
18. Auto tilt position adjust
19. Auto focus gain adjust
20. Auto focus offset adjust
21. EQ boost adjust
22. Auto loop filter offset adjust
23. Auto track gain adjust
Search Check
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24. 32 track jump forward
25. 32 track jump reverse
26. 500 track jump forward
27. 500 track jump reverse
28. All servo stop
29. EEP copy loop filter offset
1-2. CD
[2]
Press the key on the remote commander and insert a CD disc
following the message. Then the adjustment will be made through
the steps below, then adjusted values will be written to the EEPROM.
CD Adjustment Steps
1. Sled tilt rest
2. Disc check memory CD
3. Wait 500 msec
4. Set disc type CD
5. LD on
6. Spindle start
7. Wait 500 msec
8. Focus servo on 0
9. Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. (TC display start)
14. Wait 1 sec
15. Jitter display start
16. Sled ON
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17. Check CLV on
18. Auto loop filter offset adjust
19. Auto focus offset adjust
20. Auto focus gain adjust
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21. Auto focus offset adjust
22. EQ boost adjust
23. Auto LFO Adjust
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24. Auto track gain adjust
Search Check
25. 32Tj forward
26. 32Tj reverse
27. 500Tj forward
28. 500Tj reverse
29. All servo stop
1-3. DVD-DL (dual layer)
[3]
Press the key on the remote commander and insert a DVD dual
layer disc following the message. Then the adjustment will be made
through the steps below, then adjusted values will be written to the
EEPROM.
DVD Dual Layer Disc Adjustment Steps:
1. Sled tilt reset
2. Disc check memory DL
3. Wait 500 msec
4. Set disc type DL
5. LD on
6. Spindle start
7. Wait 1 sec
Layer 1 Adjust
8. Focus servo on 0
9. Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. Wait 500 msec
14. Sled on
15. Check CLV lock
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16. Auto loop filter offset adjust, Auto focus adjust
17. Auto focus gain adjust
18. Auto focus offset adjust
19. EQ boost adjust
20. Auto loop filter offset adjust
21. Auto Track Gain Adjust
Search Check
22. 32 track jump forward
23. 32 track jump reverse
24. 500 track jump forward
25. 500 track jump reverse
Layer 0 Adjust
26. Focus jump (L1 t L0)
27. Auto track offset adjust L0
28. CLVA on
29. Wait 500 msec
30. Tracking on
31. Wait 500 msec
32. Sled on
33. Check CLV lock
34. Auto focus filter offset adjust
35. Auto Focus Adjust
36. Auto focus gain adjust
37. Auto focus offset adjust
38. EQ boost adjust
39. Auto Loop Filter Offset
40. Auto track gain adjust
Search Check
41. 32 track jump forward
42. 32 track jump reverse
43. 500 track jump forward co
44. 500 track jump reverse
Layer Jump Check
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45. Layer jump (L0 t L1)
46. Layer jump (L1 t L0)
47. All servo stop
HCD-EA20
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