Sharp XL-UR27H (serv.man2) Service Manual ▷ View online
XL-UR27H
– 4
Remote control
1. Remote Control Transmitter
2. Clear/Dimmer Button
3. Disc Stop Button
4. Record Button
5. Play Mode Button
6. USB Stop Button
7. Direct Search Buttons
8. Bass/Treble Button
9. Extra Bass/Demo Button
10. Memory Button
11. On/Stand-by Button
12. Tuner Button
13. CD Button
14. Disc Play and Pause Button
15. USB Play and Pause Button
16. Audio In/USB Button
17. Tuning Up, Folder Up Button
18. Track Up or Fast Forward, Tuner Preset Up,
Time Up Button
19. Track Down or Fast Reverse, Tuner Preset Down,
Time Down Button
20. Tuning Down, Folder Down Button
21. Mode Button
22. Enter Button
23. MP3/WMA Display Button
24. MP3/WMA Folder Button
25. RDS Display Button
26. RDS PTY Button
27. RDS ASPM Button
28. Clock/Timer Button
29. Volume Up and Down Buttons
2. Clear/Dimmer Button
3. Disc Stop Button
4. Record Button
5. Play Mode Button
6. USB Stop Button
7. Direct Search Buttons
8. Bass/Treble Button
9. Extra Bass/Demo Button
10. Memory Button
11. On/Stand-by Button
12. Tuner Button
13. CD Button
14. Disc Play and Pause Button
15. USB Play and Pause Button
16. Audio In/USB Button
17. Tuning Up, Folder Up Button
18. Track Up or Fast Forward, Tuner Preset Up,
Time Up Button
19. Track Down or Fast Reverse, Tuner Preset Down,
Time Down Button
20. Tuning Down, Folder Down Button
21. Mode Button
22. Enter Button
23. MP3/WMA Display Button
24. MP3/WMA Folder Button
25. RDS Display Button
26. RDS PTY Button
27. RDS ASPM Button
28. Clock/Timer Button
29. Volume Up and Down Buttons
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XL-UR27H
2 – 1
CHAPTER 2. ADJUSTMENTS
[1] CD Section
1. CD SECTION
• Adjustment
Since this CD system incorporates the following
automatic adjustment functions, readjustment is not
needed when replacing the pickup. Therefore,
different PWBs and pickups can be combined freely.
automatic adjustment functions, readjustment is not
needed when replacing the pickup. Therefore,
different PWBs and pickups can be combined freely.
Each time a disc is changed, these adjustments are
performed automatically. Therefore, playback of
each disc can be performed under optimum
conditions.
performed automatically. Therefore, playback of
each disc can be performed under optimum
conditions.
Items adjusted automatically
1) Offset adjustment (The offset voltage between the
head amplifier output and the VREF reference
voltage is compensated inside the IC.)
voltage is compensated inside the IC.)
* Focus offset adjustment
* Tracking offset adjustment
2) Tracking balance adjustment
3) Gain adjustment (The gain is compensated inside
the IC so that the loop gain at the gain crossover
frequency will be 0 dB.)
frequency will be 0 dB.)
* Focus gain adjustment
* Tracking gain adjustment
XL-UR27H
2 – 2
[2] Test Mode
• Setting the test mode
During AC unplug, plug-in AC while pressing down the
ON/STAND-BY button and FUNCTION button. Turn
volume knob to enter the CD test mode. Then, press
STOP button to enter CD MENU.
ON/STAND-BY button and FUNCTION button. Turn
volume knob to enter the CD test mode. Then, press
STOP button to enter CD MENU.
IL isn’t done
OPEN/CLOSE operation is using manual.
IL isn’t done
C D
T E S T
Laser ON.
Focus ON
CLV Servo ON
<<STOP>> key input.
<<STOP>> key input.
1
Step
2
Step
3
Step
4
Step
5
Step
Tracking Servo ON
Reading Sub-code and Display
STOP and return to Step 1
Hold down << USB PLAY >> key at remote control for more than 2 sec.
Start Auto Adjustment at current pick-up location.
<<
>> key input. CD indicator light up.
/
<<
>> key input. CD and USB indicator light up.
/
<<
>> key input. CD, USB, iPOD and MP3 indicator light up.
/
<<
>> key input. CD, USB, iPOD and MP3 and WMA indicator light up.
/
<<
>> key input. CD, USB and iPOD indicator light up.
/
XL-UR27H
2 – 3
During at Step , if press << >> for more than 1 sec, it directly
goes to step .
goes to step .
To cancel: Power OFF
<<STOP>> key input.
a) Focus Balance
= FB : XX
b) Focus Gain
= FG : XX
c) Tracking Balance
= TB : XX
d) Tracking Gain
= TG : XX
e) Focus Offset
= FOFF : XX
f) Tracking Offset
= TOFF : XX
g) RFRP
= RFRP : XX
h) Focus Error
(RW Judgement)
(RW Judgement)
= RW : XX - XXXX
i) Focus Error
(Other than RW Judgement) = DA : XX - XXXX
(Other than RW Judgement) = DA : XX - XXXX
Sliding the PICKUP with << >>, << >> button can be set
in STOP mode or play mode.
in STOP mode or play mode.
STOP and return to Step 1
1
5
Note
STOP and return to Step 1
Everytime << PLAYMODE >> key input
/
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