Sony Walkman MZ-E909, Service Manual

Page: 14 / 40

14
MZ-E909
3. If NG in the overall CD adjustments, return to Reset NV and
perform from the electrical offset adjustment again.
LCD display
XXX: NG item No.
4. If OK through the overall CD adjustments, then perform overall
MO adjustments.
LCD display
5. Insert MO disc in the set, and press
> N
key to set the
Overall MO Adjustment mode. Automatic adjustments are made.
LCD display
XXX: Item No. for which an adjustment is being executed.
6. If NG in the overall MO adjustments, return to Reset NV and
perform the adjustment again.
LCD display
XXX: NG item No.
7. If OK through the overall MO adjustments, press x key to
return to the TEST MODE and terminate the Overall Adjust-
ment mode.
LCD display
5-5-3.Resume clear method
1. Setting the testmode.
2. Set the Manual mode and set the item No.043(RESUME Clear).
LCD display
3. Press the X key.
LCD display
5-5-5. Overall CD and MO adjustment items
1. Overall offset adjustment
Item No. Contents
030 GRV setting • Sarvo OFF • Head UP
035 Laser ON/OFF electrical offset difference
measurement
Completed
2. Overall CD adjustment items
Item No. Contents
761 VC,VR power voltage High/Low selection
300 HPIT setting • Sarvo OFF
561 SLED move to inside
562 SLED move to outside
High reflection CD electrical offset adjustment
312
Laser ON • Focus UP • VC correction ALFA offset
adjustment
313 IJ offset adjustment
314 FE offset adjustment
HPIT adjustment
320 Focus servo ON
324 TE offset adjustment 1
321 TE gain adjustment
328 TWPP gain adjustment
324 TE offset adjustment 1
332 TE offset adjustment 2
330 Tracking servo ON
336 ABCD gain adjustment
337 KF gain correction
338 RF gain adjustment
344 CD focus gain adjustment
345 CD tracking gain adjustment
521 CD two-axis sensitivity adjustment (inside)
522 CD two-axis sensitivity adjustment (outside)
341 CD focus bias adjustment
300 HPIT setting • servo OFF
completed
XXX
NG
XXX
CD OK
XXX
MO RUN
000
MO OK
000
XXX
NG
043
Resume CC
043
Res ***
043
Res Clr
After reset is completed
LCD display
3. Overall MO adjustment items
Item No. Contents
761 VC,VR power voltage High/Low selection
100 G RV setting
Low reflect MO offset adjustment
112 Laser ON • Focus UP • EVC correction ALFA offset
adjustment
113 IJ offset adjustment
114 FE offset adjustment
118 Wpp denominator adjustment
HPIT adjustmet
200 LPIT setting • servo OFF
561 SLED move to inside
220 Focus servo ON
224 TE offset adjustment 1
221 TE gain adjustment
224 TE offset adjustment 1
232 TE offset adjustment 2
5-5-4. Rewrite the NV value
After resume clear, rewrite the NV value.
Microprocessor version 1.0 to 2.0 : Step 1 and 2.
Microprocessor version 2.1 and later : Step 1 only
Step Item NO. NV value
1
861 0F (h)
862 0B (h)
2
863 87 (h)
864 75 (h)