XL-UR250H (serv.man3) - Sharp Audio Service Manual (repair manual). Page 10

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XL-UR250H
2 – 4
[3] 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**' 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 flashing as below.
Example:In case of speaker abnormal
BEFORE TRANSPORTING THE UNIT
The following process need to be taken after set tapering/parts replacement.
1. Press the POWER ON/STAND-BY button to enter stand-by mode.
2. While pressing down the 
 button and the 
 button, press the   button. The Micro Computer version
number will be displayed as "XR H****” and " FW****V**”.
3. Press the 
 button until "WAIT"--> "FINISHED" appears.
4. Unplug the AC cord and the unit is ready for transporting.
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
Focus Not Match/IL Time Over. ‘NO DISC’
TUNER
PLL Unlock.
FM
MHz
PLL Unlock.
  
87.50
 
TIMER
LED
OFF
OFF
OFF
1
OFF
OFF
OFF
OFF
FRAME
(REPEAT)
FLASHING
FLASHING
NO. 2
NO. 2
ON
ON
ON
ON
NO. 1 : +B PROTECTION
NO. 2 : Speaker abnormal
NO
NO. 1
. 1
3
4
4
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