Sharp XL-DAB227NH (serv.man4) Service Manual ▷ View online
XL-DAB227NH
1 – 5
[4] Names Of Parts
Front panel
1. Disc Tray
2. On/Stand-by Button
3. Disc Tray Open/Close Button
4. Timer Indicator
5. Disc or iPod Play or Pause Button
6. Disc Stop Button
7. Volume Control
8. Audio In Socket
9. Headphones Socket
10. CD Button
11. Tuner/DAB Button
12. Remote Sensor
13. Audio In Button
14. iPod Button
15. iPod Docking Station
2. On/Stand-by Button
3. Disc Tray Open/Close Button
4. Timer Indicator
5. Disc or iPod Play or Pause Button
6. Disc Stop Button
7. Volume Control
8. Audio In Socket
9. Headphones Socket
10. CD Button
11. Tuner/DAB Button
12. Remote Sensor
13. Audio In Button
14. iPod Button
15. iPod Docking Station
Display
1. CD Indicator
2. MP3 Indicator
3. WMA Indicator
4. iPod Indicator
5. DAB Indicator
6. FM Stereo Mode Indicator
7. FM Stereo Receiving Indicator
8. Daily Timer Indicator
9. Sleep Indicator
10. Timer Play Indicator
11. MP3/WMA Total Indicator
12. MP3/WMA Folder Indicator
13. MP3/WMA/iPod Title Indicator
14. Extra Bass Indicator
15. Memory Indicator
16. Disc Repeat Play Indicator
17. Disc Random Indicator
18. DAB Primary with Secondary Indicator
19. DAB Secondary Indicator
20. Disc Pause Indicator
21. Disc Play Indicator
2. MP3 Indicator
3. WMA Indicator
4. iPod Indicator
5. DAB Indicator
6. FM Stereo Mode Indicator
7. FM Stereo Receiving Indicator
8. Daily Timer Indicator
9. Sleep Indicator
10. Timer Play Indicator
11. MP3/WMA Total Indicator
12. MP3/WMA Folder Indicator
13. MP3/WMA/iPod Title Indicator
14. Extra Bass Indicator
15. Memory Indicator
16. Disc Repeat Play Indicator
17. Disc Random Indicator
18. DAB Primary with Secondary Indicator
19. DAB Secondary Indicator
20. Disc Pause Indicator
21. Disc Play Indicator
Rear panel
1. Speaker Terminals
2. AC Power Lead
3. DAB/FM Aerial Socket
4. Video Out Socket
5. Subwoofer Pre-output Socket
2. AC Power Lead
3. DAB/FM Aerial Socket
4. Video Out Socket
5. Subwoofer Pre-output Socket
Speaker system
1. Tweeter
2. Woofer
3. Bass Reflex Duct
4. Speaker Wire
2. Woofer
3. Bass Reflex Duct
4. Speaker Wire
XL-DAB227
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XL-DAB227NH
1 – 6
Remote control
1. Remote Control Transmitter
2. Disc Clear/Dimmer Button
3. Memory Button
4. Disc Play or Pause Button
5. Disc Stop Button
6. Disc Direct Search Buttons
7. Equaliser Mode Select Button
8. Extra Bass/Demo Button
9. Volume Up and Down Buttons
10. On/Stand-by Button
11. CD Button
12. Tuner/DAB Button
13. Audio In/iPod Button
14. iPod Menu Button
15. iPod Cursor Up Button
16. iPod Enter Button
17. iPod Display Button
18. iPod Cursor Down Button
19. iPod Play or Pause Button
20. Tuning Up Button
21. CD Track Up or Fast Forward, Tuner Preset Up,
Time Up Button
22. CD Track Down or Fast Reverse, Tuner Preset Down,
Time Down Button
23. Tuning Down Button
24. Play Mode Button
25. Display Button
26. Folder Button
27. Clock/Timer Button
28. DAB Menu Button
29. DAB Enter Button
30. DAB Display Button
2. Disc Clear/Dimmer Button
3. Memory Button
4. Disc Play or Pause Button
5. Disc Stop Button
6. Disc Direct Search Buttons
7. Equaliser Mode Select Button
8. Extra Bass/Demo Button
9. Volume Up and Down Buttons
10. On/Stand-by Button
11. CD Button
12. Tuner/DAB Button
13. Audio In/iPod Button
14. iPod Menu Button
15. iPod Cursor Up Button
16. iPod Enter Button
17. iPod Display Button
18. iPod Cursor Down Button
19. iPod Play or Pause Button
20. Tuning Up Button
21. CD Track Up or Fast Forward, Tuner Preset Up,
Time Up Button
22. CD Track Down or Fast Reverse, Tuner Preset Down,
Time Down Button
23. Tuning Down Button
24. Play Mode Button
25. Display Button
26. Folder Button
27. Clock/Timer Button
28. DAB Menu Button
29. DAB Enter Button
30. DAB Display Button
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1 – 4
XL-DAB227NH
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-DAB227NH
2 – 2
[2] Test Mode
• Setting the test mode
During AC unplug, plug-in AC while pressing down the POWER button and CD button. Then, press the CD button to
enter the test mode.
enter the test mode.
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 << CD >> key for more than 2 sec.
Start Auto Adjustment at current pick-up location.
<<
>> key input.
/
<<
>> key input.
/
<<
>> key input.
/
<<
>> key input.
/
<<
>> key input.
/
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