Sony MZ-N520 Service Manual page 29

Item No.
522 Two-axis sensitivity (outer position)
300 HPIT setting . servo OFF
2. MO overall adjustment items
Item No.
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
READ → WRITE selection
420
421 TE gain adjustment
423 TEIN offset adjustment
430 Tracking servo ON
431 TWPP offset adjustment 1
436 ABCD gain adjustment
Description
Description
Item No.
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
READ → WRITE selection
410
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
READ → WRITE selection
460
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
READ → WRITE selection
460
470 Tracking servo ON
474 TWPP gain adjustment
471 TWPP offset adjustment 1
472 TE offset adjustment 2
489 TWPP OP offset adjustment
WRITE → READ selection
450
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
MZ-N520/N520CK
Description
29