SD-NX10 (serv.man5). Part 2 - text (Page 14-34) - Sharp Audio Service Manual (repair manual). Page 12

– 25 –

Step 1

Test mode EJECT state

[ _ _ E J E C T _ _ _ ]

Step 2

Press the CD STOP button.

Playback power output state

[ p p w _ _ _ _ _ _ _ ]

Step 3

Press the CD STOP button.

Rec power output state

[ r p w _ _ _ _ _ _ _ ]

Step 4

Press the CD STOP button.

Therefore do not set this mode since it is not necessary

[ x p w _ _ _ _ _ _ _ ]

for the service.

Step 5

Press the TUNER (BAND) button. TEMP setting of EEPROM setting

(The TEMP setting reference of the EEPROM.)

Step 6

Press the AUX (DEMO) button.

CONTROL setting of EEPROM setting
(The CONTROL setting reference of the EEPROM.)

* Normally, the voltage at pin 3 of IC1401 becomes as follows:

Playback power output (ppw): Approx. DC 0.2V
Recording power output (rpw): Approx. DC 1.8V

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 (MMD213A or MMD-318)

Step 1

Test mode STOP state

[ t s m 

 e 

 ]

Step 2

Press once the CD PLAY button.

AUTO adjustment menu

[ A U T O _ A J S T _ ]

Step 3

Press the MD REC button.

AUTO pre-adjustment menu

[ _ A U T _ Y O B I _ ]

Step 4

Press  once the MD PLAY button. • During automatic adjustment 

 changes as follows.

[ 

 : _ _ _ _ _ _ ]

  HAo

→ 

• 

 

• 

 

• 

 

• 

 

• 

 

• 

 

• 

 

• 

 

•

 →

TCO

End of adjustment

If adjustment is OK, Step 5.
If adjustment is NG, Step 6.

Step 5

Press the MD STOP button.

STEP 2

[ _ C O M P L E T E _ ]

Step 6

Adjustment value output

[  C a n ' t  _  A D J .  ]

Press the MD STOP button.

STEP 2  AUTO adjustment menu

• 

 : Adjustment name

Step 1

Test mode STOP state

[ t s m 

 e 

 ]

Step 2

Press once the CD PLAY button.

AUTO adjustment menu

[ A U T O _ A J S T _ ]

Step 3

Press  once the MD PLAY button. • In case of high reflection disc 

 changes as follows.

[ 

 : _ _ _ _ _ _ ]

  PEG

→

HAG

• In case of low reflection disc 

 changes as follows.

  PEG

→

LAG

End of adjustment

If adjustment is OK, Step 4.
If adjustment is NG, Step 7.

Step 4

For grating adjustment

[ _ C O M P L E T E _ ]

Press the MD PLAY button.

STEP 5

* Note 1

Press the MD STOP button.

STEP 2

Step 5

Continuous playback (pit section)

Confirmation of C1 error

[ s 

 c 

 ]

Continuous playback (groove section)

[ a 

 c 

 ]

Step 6

Press the CD STOP button.

Conformation of ADIP error (Low reflection only)

[ a 

 a 

 ]

Press the MD STOP button.

STEP 2  AUTO adjustment menu

Step 7

Adjustment value output

[  C a n ' t  _  A D J .  ]

Press the MD STOP button.

STEP 2  AUTO adjustment menu

• 

 : Adjustment name,  

 : Measurement value,  

 : Address

* Note 1:
Depending on the disc, "#COMPLETE_" may be displayed, which means that the ON position of the INNER switch cannot be
identified clearly. In this case, check the switch in the INNER mode using the specified disc. However, this is not a problem in AUTO
adjustment.