Read Sony SCD-1 / SCD-777ES (serv.man3) Service Manual online
15
Overall Adjustment
Procedure:
1. Set the Adjustment-1 Mode. (See 5-2. Adjustment-1 Mode in
1. Set the Adjustment-1 Mode. (See 5-2. Adjustment-1 Mode in
SECTION 5 (page 11))
2. Press the 6 button and 2 button, then the 9 button on the
remote commander (to initialize data).
3. Set a disc (TCD-784).
4. Press the 6 button and - button, then the 5 button on the
4. Press the 6 button and - button, then the 5 button on the
remote commander. (Adjustment will take about 2 minutes.)
5. Remove the disc when "CD END" is displayed.
6. Set a disc (SATD-S2).
7. Press the 6 button and - button, then the 5 button on the
6. Set a disc (SATD-S2).
7. Press the 6 button and - button, then the 5 button on the
remote commander. (Adjustment will take about 1 minute 30
seconds.)
seconds.)
8. Remove the disc when "SL END" is displayed.
9. Set a disc (SATD-S3).
10. Press the 6 button and - button, then the 5 button on the
9. Set a disc (SATD-S3).
10. Press the 6 button and - button, then the 5 button on the
remote commander. (Adjustment will take about 1 minute.)
11. Remove the disc when "DL END" is displayed.
Note:
If an error is displayed during the adjustment so far, press again the
6 button and - button on the remote commander to execute re-
adjustment.
adjustment.
12. Press the 6 button and 1 button on the remote commander.
13. As the number and adjusted value are displayed, make sure
13. As the number and adjusted value are displayed, make sure
that it is within the threshold.
14. Press the 1 button on the remote commander to proceed to
the next item. (To return to the previous item, press the 2
button.)
button.)
15. Repeat steps 13 and 14.
16. After checking items up to No.43, press the
16. After checking items up to No.43, press the
!
button to turn
the power off.
Thresholds for Overall Adjustment
No.
Description
U limit
L limit
00
PI Level SL
0
4
01
PI Level DL
3
7
02
PI Offset CD
15D
2A3
03
PI Offset SL
15D
2A3
04
PI Offset DL
15D
2A3
05
PI Offset Disc Check
100
2FF
06
Traverse Offset CD
07
Traverse Offset SL
08
Traverse Offset DL
09
Traverse Gain CD
10
Traverse Gain SL
11
Traverse Gain DL
12
For PI Level Disc Check
0
2
13
PI Reflectance SL
2D28
7333
14
PI Reflectance DL
936
4083
15
Surface Reflect to CD Layer Distance
82
16
Surface Reflect to DSD Layer Distance
41
82
17
Low Push-pull for Disc Check
4FDF
9999
18
High T Bal for Disc Check
0000
47AE
19
FE Offset CD
20
FE Offset SL
21
FE Offset DL
22
Focus Bias CD
E0
20
23
Focus Bias SL
E0
20
24
Focus Bias DL0
E0
20
25
AGC Focus Gain CD
1500
3000
26
AGC Focus Gain DL
0851
1A00
27
AGC Focus Gain SL
0C28
2500
28
AGC Tracking Gain CD
1A00
3C00
29
AGC Tracking Gain SL
1100
2500
30
AGC Tracking Gain DL
1400
2700
31
RF Loop Filter Offset CD
F6
0A
32
RF Loop Filter Offset DSD
F6
0A
33
Tilt Disordered Point CD +side
34
Tilt Disordered Point CD -side
35
Tilt Disordered Point SL +side
36
Tilt Disordered Point SL -side
37
Tilt Disordered Point DL +side
38
Tilt Disordered Point DL -side/
39
Tilt Offset CD
F0
10
40
Tilt Offset SL
F0
10
41
Tilt Offset DL
F0
10
42
Focus Balance SL
43
Focus Balance DL
Note:
1. No threshold specified for items.
2. All thresholds are displayed in Hex.
2. All thresholds are displayed in Hex.
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