Sharp MD-M3 Service Manual page 20

MD-M3/M1
1. EJECT mode
Setting Method
Step No.
Step 1 Test mode EJECT state
Step 2 Press once the DISPLAY button. Max. power output state
Step 3 Press once the DISPLAY button. Playback power output state
Step 4 Press once the DISPLAY button. Record power output state
Step 5 Press the NORMAL button.
* Actual indicator character is shown on page 19 . ( See Table 19 )
Confirmation of pickup laser power
It is possible to confirm in the record/playback mode with the aid of laser power meter. However, since the laser power meter
measurement is characterized with dispersion, obtained data are used only for confirmation.
Reference data (at room temperature 25°C)
Playback: 0.72±0.1 mW
Record: 5.5±0.5 mW
Note: Never see directly the laser light. Otherwise your eyes are injured.
2. AUTO pre-adjustment mode (Low reflection disc only)
With the pre-adjustment disc (MMD-318)
Setting Method
Step No.
Step 1 Test mode STOP state
Step 2 Press once the EQUALIZER button. AUTO pre-adjustment menu
Step 3 Press the PLAY button.
End of adjustment
Step 4 Grating adjustment,
adjustment value output
Press once the STOP button.
Step 5 Adjustment value output
Press once the STOP button.
• : Adjustment name
* Actual indicator character is shown on page 19 . ( See Table 19 )
3. AUTO adjustment mode
Setting Method
Step No.
Step 1 Test mode STOP state
Step 2 Press the EQUALIZER button two times. AUTO adjustment menu
Step 3 Press the PLAY button.
End of adjustment
Step 4 Adjustment value output
Press the PLAY button.
Press the STOP button.
Step 5 Continuous playback (pit section) Confirmation of CI error
Continuous playback (groove section)
Step 6 Press the DISPLAY button.
Press the STOP button.
Step 7 Adjustment value output
Press the STOP button.
• : Adjustment name,
* Actual indicator character is shown on page 19 . ( See Table 19 )
TEMP setting of EEPROM setting
• During automatic adjustment
HAo→ • • • • • • • • • →LAO
If adjustment is OK, Step 4.
If adjustment is NG, Step 5.
STEP 2 AUTO pre-adjustment menu
STEP 2 AUTO pre-adjustment menu
The AUTO preliminary adjustment should have been completed.
The slide moves to the innermost periphery, and automatic
adjustment is started.
• In case of high reflection disc
PEG→HAG
•In case of low reflection disc
PEG→LAG→GCG→GEG→LAG
If adjustment is OK, Step 4.
If adjustment is NG, Step 7.
For grating adjustment
STEP 5
STEP 2 AUTO adjustment
Conformation of ADP error
STEP 2 AUTO adjustment menu
STEP 2 AUTO adjustment menu
: Measurement value,
– 20 –
Remarks
Remarks
changes as follows.
Remarks
changes as follows.
changes as follows.
: Address
Display *
[ _ _ E J E C T _ _ _ ]
[ X P W _ _ _ _ _ _ _ ]
[ P P W _ _ _ _ _ _ _ ]
[ R P W _ _ _ _ _ _ _ ]
Display *
[ t s m 1 3 e ]
[ _ A U T _ Y O B I _ ]
[ : _ _ _ _ _ _ ]
[ _ C O M P L E T E _ ]
[ C a n ' t _ A D J . ]
Display *
[ t s m 1 3 e ]
[ A U T O _ A J S T _ ]
[ : _ _ _ _ _ _ ]
[ _ C O M P L E T E _ ]
[ s c ]
[ a c ]
[ a a ]
[ C a n ' t _ A D J . ]