Service manual

CD-MPX870
2 – 4
[3] 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 5
th
times.
Standard Specification of Stereo System Error Message Display Contents
(*) CHECKING:
If CD changer mechanism error is detected, 'CHECKING' will be display 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, the unit will automatically enter to stand - by
mode and Timer indicator will be flashing as below.
+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 button, press the GAME/VIDEO button. The Micro Computer
version number will be displayed as "CM*****".
3. Press button until "WAIT"→ "FINISHED" appears.
4. Unplug the AC cord and the unit is ready for transporting.
Error Explanation
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 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 87.5 MHz
FLASHING
1 FRAME
OFF
OFF
OFF
OFF
(REPEAT)
ON
TIMER
LED
ON
NO. 1
NO. 2
NO. 1
NO. 2
NO.1 : +B Protection
NO.2 : Speaker abnormal
FLASHING
Example : In case of speaker abnormal