XL-UH220H (serv.man4) - Sharp Audio Service Manual (repair manual). Page 9

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XL-UH220H
2 – 2
[2] TEST MODE
 Setting the test mode
During stand-by mode, press STOP button while
pressing down the 
 button and 
 button. Then,
press the CD button to enter the test mode.
3
4
IL isn’t done
OPEN/CLOSE operation is using manual.
IL isn’t done
C D
T E S T
<<
>> key input.
Laser ON.
Focus ON
CLV Servo ON
<<STOP>> key input.
<<STOP>> key input.
1
Step
2
Step
3
Step
4
Step
5
Step
/
Everytime << DISPLAY >> key input  
<<
>> key input.
/
<<
>> key input.
/
<<
>> key input.
/
<<
>> key input.
/
Tracking Servo ON
Reading Sub-code and Display
STOP and return to Step 1
STOP and return to Step 1
Hold down << CD >> key for more than 2 sec.
Start Auto Adjustment at current pick-up location.
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