Electrical Adjustments - Sony MZ-E55 Service Manual

Notes for Adjustment
• In this set, automatic adjustment of CD and MO can be per-
formed by entering the test mode.
• Adjustments are performed in the overall adjustment mode. If
an item is determined as NG, the item is readjusted in servo
mode.
Adjustment Method in Overall Adjustment Mode
1. Enter the test mode and press the VOLUME + key to enter over-
all adjustment mode.
2. Insert the CD test disc (TGYS-1) or SONY MO disc (recorded)
commercially available.
3. Press the ( key twice. The disc is determined whether it is CD
or MO and each adjustment mode is set. Automatic adjustments
are performed in the order of the items listed below.
• In CD Automatic adjustment Mode
No. Mode
061
1 Sled in
071
2 Focus search
062
3 Sled out 5
051
4 CD EF balance
052
5 CD EF gain
051
6 CD EF balance
053
7 CD ABCD gain
054
8 CD focus gain
055
9 CD tracking gain
056
10 CD RF offset
057
11 CD RF gain
056
12 CD RF offset
058
13 CD Focus bias
SECTION 5

ELECTRICAL ADJUSTMENTS

Description
– 11 –
• In MO Automatic adjustment Mode
No. Mode
061
1 Sled in
011
2 FE offset
012
3 TE offset
071
4 Focus search
062
5 Sled out
031
6 MO EF balance
032
7 MO EF gain
031
8 MO EF balance
033
9 MO ABCD gain
034
10 MO focus gain
035
11 MO tracking gain
036
12 MO RF gain
037
13 MO ADIP gain
039
14 MO focus bias A
073
15 ADER check
071
16 Focus search
031
17 MO EF balance
032
18 MO EF gain
031
19 MO EF balance
033
20 MO ABCD gain
034
21 MO focus gain
035
22 MO tracking gain
036
23 MO RF gain
037
24 MO ADIP gain
039
25 MO focus bias A
073
26 ADER check
061
27 Sled in
071
28 Focus search
041
29 Low reflection CD EF balance
042
30 Low reflection CD EF gain
041
31 Low reflection CD EF balance
043
32 Low reflection CD ABCD gain
044
33 Low reflection CD focus gain
045
34 Low reflection CD tracking gain
046
35 Low reflection CD RF offset
047
36 Low reflection CD RF gain
061
37 Sled in
071
38 Focus search
041
39 Low reflection CD EF balance
042
40 Low reflection CD EF gain
041
41 Low reflection CD EF balance
043
42 Low reflection CD ABCD gain
044
43 Low reflection CD focus gain
045
44 Low reflection CD tracking gain
046
45 Low reflection CD RF offset
047
46 Low reflection CD RF gain
Description