CD-MPS660H (serv.man22) - Sharp Audio Service Manual (repair manual). Page 11

CD-MPS660H/CD-MPS660E

2 – 4

* '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.

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.

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/GAME’ 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.

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.

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.

FM  87.50  MHz