Read Sharp SD-NX10 (serv.man5) Service Manual online
SD-NX10H
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1. EJECT mode
• TEMP setting (of EEPROM setting)
• CONTROL setting (of EEPROM setting)
• Setting of laser power (record/playback power)
• CONTROL setting (of EEPROM setting)
• Setting of laser power (record/playback power)
2. AUTO pre-adjustment mode
• Automatic pre-adjustment is performed.
3. AUTO adjustment mode
• Automatic adjustment is performed. (After adjustment the grating adjustment mode is set.)
4. AUTO AFB adjustment mode
• Focus adjustment is performed.
• RESULT sub-mode
• Therefore do not set this mode since it is not necessary for the service.
• RESULT mode (final adjustment)
• MANUAL pre-adjustment mode
• MANUAL adjustment mode
• MANUAL AFB adjustment mode
• ERROR DATA
• MANUAL pre-adjustment mode
• MANUAL adjustment mode
• MANUAL AFB adjustment mode
• ERROR DATA
5. EEPROM setting mode
• Various coefficients of digital servo are changed manually.
6. TEST-PLAY mode
• Continuous playback from the specified address is performed.
• C1 error rate measurement, ADIP error rate measurement.
• C1 error rate measurement, ADIP error rate measurement.
7. TEST-REC mode
• Continuous recording from the specified address is performed.
8. INNER mode
• The position where the INNER switch is turned on is measured.
2. Test Mode
Test mode setting method
1. While the +10 forward button (+10) and the REC LEVEL/MD Fast Forward button (
) are pressed down together, press
the POWER button and then MD PLAY button. (State A is changed to state B .)
2. Insert the playback-only disc 1 (high reflection disc) or the recordable disc 2 (low reflection disc). (State is changed to C .)
Above procedures will set the unit to the test mode.
A tsm 22
e
: TEST MODE
represents version of MD microcomputer.
STOP state
B EJECT
C AUT AJST
Entering the specific mode
Whenever the CD PLAY/PAUSE button is pressed, the mode is changed.
If the REC button is pressed instead, the mode will change in the opposite order.
If the REC button is pressed instead, the mode will change in the opposite order.
Cancel of test mode
The mode is written on EEPROM by pressing the POWER button. If the POWER button is pressed again, the unit returns to
the normal state.
the normal state.
* Before pressing the POWER button, make sure that the AUTO pre-adjustment, AUTO adjustment, and AUTO AFB adjustment
have been completed.
* After the value of EEPROM is changed or the AUTO pre-adjustment, AUTO adjustment, and AUTO AFB adjustment are
performed again, write on EEPEOM by pressing the POWER button. (When the POWER button is pressed, data is written on
EEPROM.)
EEPROM.)
* When the value of EEPROM has been changed, write the data on EEPROM once. To perform adjustment using the data, set
the unit to the TEST mode again, perform AUTO pre-adjustment, AUTO adjustment, and AUTO AFB adjustment, and then
write the data again on EEPROM.
write the data again on EEPROM.
• Test Mode
(When the MD STOP button is pressed in the C state, the indication A is
restored. To restore C again, press the CD PLAY/PAUSE button.)
A U T O Y O B I
AUTO AJST
R S T Y O B I
A U T A F B
EEPROM_SET
MAN FAB
M N U Y O B I
M N U A J S T
ERR DATA
(ERRER DATA)
(AUTO prelimirary adjustment)
(AUTO adjustment)
(Advanced AFB adjustment)
(RESULT
Y O B I )
RESULT
(MANUAL pre-adjustment)
(MANUAL adjustment)
(MANUAL FAB adjustment)
(EEPROM setting)
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