Sharp CP-M1, Service Manual

Page: 20 / 92

MD-M3/M1
– 20 –
3. AUTO adjustment mode
Step No.
Setting Method
Remarks Display *
Step 1 Test mode STOP state The AUTO preliminary adjustment should have been completed. [ t s m 1 3 e ]
Step 2 Press the EQUALIZER button two times. AUTO adjustment menu [ A U T O _ A J S T _ ]
Step 3 Press the PLAY button. The slide moves to the innermost periphery, and automatic [ : _ _ _ _ _ _ ]
adjustment is started.
• In case of high reflection disc
changes as follows.
PEG
→
HAG
•In case of low reflection disc changes as follows.
PEG
→
LAG
→
GCG
→
GEG
→
LAG
End of adjustment If adjustment is OK, Step 4.
If adjustment is NG, Step 7.
Step 4 Adjustment value output For grating adjustment [ _ C O M P L E T E _ ]
Press the PLAY button. STEP 5
Press the STOP button. STEP 2 AUTO adjustment
Step 5 Continuous playback (pit section) Confirmation of CI error [ s c ]
Continuous playback (groove section) [ a c ]
Step 6 Press the DISPLAY button. Conformation of ADP error [ a a ]
Press the STOP button. STEP 2 AUTO adjustment menu
Step 7 Adjustment value output [ C a n ' t _ A D J . ]
Press the STOP button. STEP 2 AUTO adjustment menu
• : Adjustment name, : Measurement value, : Address
1. EJECT mode
Step 1 Test mode EJECT state [ _ _ E J E C T _ _ _ ]
Step 2 Press once the DISPLAY button. Max. power output state [ X P W _ _ _ _ _ _ _ ]
Step 3 Press once the DISPLAY button. Playback power output state [ P P W _ _ _ _ _ _ _ ]
Step 4 Press once the DISPLAY button. Record power output state [ R P W _ _ _ _ _ _ _ ]
Step 5 Press the NORMAL button. TEMP setting of EEPROM setting
Step No. Setting Method Remarks Display *
2. AUTO pre-adjustment mode (Low reflection disc only)
Step No. Setting Method Display *
Step 1 Test mode STOP state [ t s m 1 3 e ]
Step 2 Press once the EQUALIZER button. AUTO pre-adjustment menu [ _ A U T _ Y O B I _ ]
Step 3 Press the PLAY button. • During automatic adjustment changes as follows. [ : _ _ _ _ _ _ ]
HAo
→
• • • • • • • • •
→
LAO
End of adjustment If adjustment is OK, Step 4.
If adjustment is NG, Step 5.
Step 4 Grating adjustment, [ _ C O M P L E T E _ ]
adjustment value output
Press once the STOP button.
STEP 2 AUTO pre-adjustment menu
Step 5 Adjustment value output [ C a n ' t _ A D J . ]
Press once the STOP button. STEP 2 AUTO pre-adjustment menu
• : Adjustment name
Remarks
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.
With the pre-adjustment disc (MMD-318)
* Actual indicator character is shown on page 19 . ( See Table 19 )
* Actual indicator character is shown on page 19 . ( See Table 19 )
* Actual indicator character is shown on page 19 . ( See Table 19 )