Cd Section; Cd Error Code Description; Speaker Abnormal Detection And +B Protection Display; Before Transporting The Unit - Sharp CD-DK890N Service Manual

CD-DK890N

[2] CD Section

CD Error code description

Error
10* CAM error. Can't detect CAM switch when CAM is moving.
11* When it detect cam operation error during initialize process.
20* TRAY error. Can't detect TRAY switch when TRAY is moving.
21* When it detect TRAY operation error during initialize process.
31 When it change to CD function, DSP cannot read initial data.
* '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
Standard Specification of Stereo System Error Message Display Contents
Error Contents
CD CD Changer Mechanism Error.
CD DSP Communication Error.
Focus Not Match/IL Time Over.
TUNER PLL Unlock.
(*) 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

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.
Example : In case of speaker abnormal
TIMER
LED OFF
NO. 1
NO.1 : +B Protection
NO.2 : Speaker abnormal
+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
version number will be displayed as "CP*1001".
3. Press button until "WAIT"→ "FINISHED" appears.
4. Unplug the AC cord and the unit is ready for transporting.
Explanation
th
times.
Display
'ER-CD**' (*)
'ER-CD31'
'NO DISC'
FM 87.5 MHz
ON FLASHING
OFF
NO. 2
1 FRAME
button and the
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
DSP COMMUNICATION ERROR.
PLL Unlock.
th
times.
ON
OFF
OFF NO. 1
(REPEAT)
button, press the ON/STAND-BY button. The Micro Computer
2 – 2
Notes
FLASHING
NO. 2