23
MZ-B100
14. When both CD and MO overall adjustments are OK, set the
mode No. 043 (Resume) and clear the clock data.
r
Press the
X
key, historical data clear
Note:
In step 10, set the clock data to 99Y11M11D11H11M00S,
and in step 14, do not set the clock.
10. If the result of automatic adjustment is OK, the following dis-
play appears in the LCD:
11. If the result of automatic adjustment is NG, the following dis-
play appears in the LCD:
12. If NG, set the manual mode. Perform automatic adjustment
for the items not accepted. (See page 13)
13. To clear the data in overall adjustment mode, set the manual
mode and change the mode number 021 (Res NV) to reset the
NV. (See page 13)
•
MO Automatic Adjustment item
Mode No.
Description
112
113
MO electrical offset adjustment
114
118
221
Lower reflection CD tracking error gain adjustment
223
Lower reflection CD tracking error offset adjustment
232
236
Lower reflection CD ABCD level adjustment
244
Lower reflection CD focus gain adjustment
245
Lower reflection CD tracking gain adjustment
121
MO tracking error gain adjustment
122
MO tracking error offset adjustment
134
MO TWPP gain adjustment
131
MO double speed read TWPP offset adjustment
132
136
MO ABCD level adjustment
144
MO focus gain adjustment
145
MO tracking gain adjustment
434
MO write TWPP gain adjustment
431
MO write TWPP offset adjustment
432
436
MO write ABCD level adjustment
445
MO write tracking gain adjustment
411
MO normal speed read TWPP offset adjustment
412
448
32 cluster full recording
141
MO focus bias adjustment
LCD display
M O O K
141
LCD display
# # #
: Overall adjustment. NG mode number
# # # N G
R e s u m e
043
LCD display
R e s C l r
043
[Laser Power Check]
Connection :
Check Method :
1. Select the manual mode of test mode, and set the laser power
adjusting mode. (mode number 010)
2. Press the
.
key continuously until the optical pick-up
moves to the most inward track.
3. Open the cover and set the laser power meter on the objective
lens of the optical pick-up.
4. Press the
N
key, and set the laser MO read adjustment mode.
(mode number 011)
5. Check that the laser power meter reading is 0.81
±
0.08 mW.
6. Check that the voltage both ends of resitor R501 at this time is
below 44 mV.
7. Press the
N
key, and set the laser CD read adjustment mode.
(mode number 012)
8. Check that the laser power meter reading is 0.97
±
0.10 mW.
9. Check that the voltage both ends of resitor R501 at this time is
below 44 mV.
10. Press the
N
key, and set the laser MO write adjustment mode.
(mode number 013)
11. Check that the laser power meter reading is 4.95
±
0.50 mW.
12. Check that the voltage both ends of resister R501 at this time
is below 80 mV.
13. Press the
x
key.
14. Release the test mode.
laser
power meter
Optical pick-up
objective lens
29
45
50
25
28
20
15
56
14
10
5
1
35
40
42
43
IC701
C709
C711
C712
C715
5
09
5
08
5
07
5
13
5
12
5
05
C716
R506
R502
R504
R503
C501
R501
C502
C504
L501
L502
B
E
C
Q501
AP913
(VC)
digital
voltmeter
R501
R501
MAIN BOARD
(SIDE A)
