Sharp CD-MPS900 Service Manual download pdf (Page 9)

CD-MPS900/CD-MPS99

2 – 4

[4] CD section

CD Error code description

* 'CHECKING'

If Error is detected, 'CHECKING' will be displayed instead of 'ER-

CD**'. 'ER-CD**' display will only be displayed when error had been

detected for the 5th times.

Standard Specification of Stereo System Error Message Display Contents

(*) CHECKING:

If CD changer mechanism error is detected, 'CHECKING' will be dis-

play instead of 'ER-CD**'. 'ER-CD**' display will only be display when

error had been detected for the 5 th times.

Speaker abnormal detection and +B PROTECTION display

In case speaker abnormal detection or +B PROTECTION had

occurred, it can be check by pressing 'POWER', ' ' and 'X-BASS'

button. MicroComputer version number will displayed as "XM******".

Press ‘VIDEO/AUX’ button during version number display and then

press ‘POWER’, ‘MEMORY/SET’ and ‘VIDEO/AUX’ button. Display

will show "S** B**". S is referring to speaker abnormal detection and B

is referring to +B PROTECTION. ** is in hex valve.

+B PROTECTION is condition when irregular process occur on power

supply line.

BEFORE TRANSPORTING THE UNIT

The following process need to be taken after set tapering/parts

replacement.

1. Press the ON/STAND-BY button to enter stand-by mode.

2. While pressing down the button and the X-BASS/DEMO but-

ton, press the ON/STAND-BY button. The Micro Computer version

number will be displayed as "XM******".

3. Press OPEN/CLOSE button until "WAIT"→ "FINISHED" appears.

4. Unplug the AC cord and the unit is ready for transporting.

Error Explanation

01 When Pickup set inner position, inner switch cannot detect

'ON' level for 10 secs.

10* CAM error. Can't detect CAM switch when CAM is moving.

11* When it detect cam operation error during initialize pro-

cess.

20* TRAY error. Can't detect TRAY switch when TRAY is mov-

ing.

21* When it detect TRAY operation error during initialize pro-

cess.

31 When it change to CD function, DSP cannot read initial

data.

Error Contents Display Notes

CD Pickup Mechanism Error. 'ER-CD01' PU-IN SW Detection NG.

CD Changer Mechanism Error. 'ER-CD**' (*) 10: CAM SW Detection NG during normal operation

11: CAM SW Detection NG during initialize process

20:TRAY SW Detection NG during normal operation

21:TRAY SW Detection NG during initialize process

CD DSP Communication Error. 'ER-CD31' DSP COMMUNICATION ERROR.

Focus Not Match/IL Time Over. 'NO DISC'

TUNER PLL Unlock. PLL Unlock.

M 87.5 MH

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Sharp CD-MPS900 Service Manual Page 9

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