26
MZ-N420D
Item No.
Description
444
Focus gain adjustment
445
Tracking gain adjustment
434
TWPP gain adjustment
431
TWPP offset adjustment 1
432
TE offset adjustment 2
449
TWPP OP offset adjustment
410
WRITE
→
READ selection
411
TWPP offset adjustment 1
412
TE offset adjustment 2
418
TWPP OP offset adjustment
490
HCLV LCLV selection process
450
HEAD DOWN . GRV servo ON
460
READ
→
WRITE selection
461
TE gain adjustment
463
TEIN offset adjustment
470
Tracking servo ON
471
TWPP offset adjustment 1
476
ABCD gain adjustment
484
Focus gain adjustment
485
Tracking gain adjustment
451
TWPP offset adjustment 1
452
TE offset adjustment 2
460
READ
→
WRITE selection
470
Tracking servo ON
474
TWPP gain adjustment
471
TWPP offset adjustment 1
472
TE offset adjustment 2
489
TWPP OP offset adjustment
450
WRITE
→
READ selection
451
TWPP offset adjustment 1
452
TE offset adjustment 2
458
TWPP OP offset adjustment
448
30 sec continuous REC
400
GRV setting . servo OFF . HEAD UP
READ GRV adjustment 2
120
Focus servo ON
130
Tracking servo ON
138
RF gain adjustment
141
FOCUS_BIAS
035
Stray light offset measurement
100
R_GRV setting . servo OFF
2. MO overall adjustment items
Item No.
Description
716
VC,VR power supply H/L selection
100
R_GRV setting . servo OFF
Low reflection electrical offset adjustment
112
Laser ON . Focus UP vc correction
ALFA offset adjustment
113
IJ offset adjustment
114
FE offset adjustment
118
Wpp denominator offset adjustment
LPIT adjustment
200
LPIT setting . servo OFF
561
SLED inward movement
220
Focus servo ON
224
TE offset adjustment 1
221
TE gain adjustment
224
TE offset adjustment 1
232
TE offset adjustment 2
230
Tracking servo ON
236
ABCD gain adjustment
237
KF gain correction
238
RF gain adjustment
244
Focus gain adjustment
245
Tracking gain adjustment
READ GRV adjustment 1
100
R_GRV setting . servo OFF
562
SLED outward movement
120
Focus servo ON
122
TON offset adjustment
121
TE gain adjustment
122
TON offset adjustment
123
TEIN offset adjustment
124
TWPP offset adjustment 1
130
Tracking servo ON
131
TWPP offset adjustment 1
136
ABCD gain adjustment
137
KF gain correction
139
ADIP BPF f0 adjustment
144
Focus gain adjustment
145
Tracking gain adjustment
134
TWPP gain adjustment
131
TWPP offset adjustment 1
132
TWPP offset adjustment 2
149
TWPP OP offset adjustment
WRITE GRV adjustment
410
HEAD DOWN . GRV servo ON
420
READ
→
WRITE selection
421
TE gain adjustment
423
TEIN offset adjustment
430
Tracking servo ON
431
TWPP offset adjustment 1
436
ABCD gain adjustment