Sharp XL-40 Service Manual ▷ View online
– 1 –
XL-40H/50H
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 2
NAMES OF PARTS .......................................................................................................................................................... 3
OPERATION MANUAL ..................................................................................................................................................... 5
DISASSEMBLY ................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 7
ADJUSTMENT .................................................................................................................................................................. 9
RDS ................................................................................................................................................................................ 10
TEST MODE ................................................................................................................................................................... 11
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 18
SPECIFICATIONS ............................................................................................................................................................ 2
NAMES OF PARTS .......................................................................................................................................................... 3
OPERATION MANUAL ..................................................................................................................................................... 5
DISASSEMBLY ................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 7
ADJUSTMENT .................................................................................................................................................................. 9
RDS ................................................................................................................................................................................ 10
TEST MODE ................................................................................................................................................................... 11
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 18
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 18
WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 19
WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 19
BLOCK DIAGRAM .......................................................................................................................................................... 20
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................ 24
TROUBLESHOOTING .................................................................................................................................................... 34
TROUBLESHOOTING .................................................................................................................................................... 34
FUNCTION TABLE OF IC .............................................................................................................................................. 40
LCD SEGMENT .............................................................................................................................................................. 48
PARTS GUIDE/EXPLODED VIEW
XL-40H
XL-50H
XL-50H
SERVICE MANUAL
SHARP CORPORATION
No. S2007XL40H///
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
XL-40H/XL-50H Micro Component System consisting of XL-40H/XL-
50H ( main unit) and CP-XL40H/CP-XL50H (speaker system).
50H ( main unit) and CP-XL40H/CP-XL50H (speaker system).
Illustration: XL-40H
XL-40H/50H
– 2 –
SPECIFICATIONS
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
XL-40H/50H
CP-XL40H/50H
Precaution to be taken when replacing and servicing the
Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output
for this model is specified to be lower than Class I Requirements.
However, the following precautions must be observed during
servicing to protect your eyes against exposure to the Laser
beam
(1) When the cabinet has been removed, the power is turned
Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output
for this model is specified to be lower than Class I Requirements.
However, the following precautions must be observed during
servicing to protect your eyes against exposure to the Laser
beam
(1) When the cabinet has been removed, the power is turned
on without a compact disc, and the Pickup is on a position
outer than the lead-in position, the Laser will light for several
seconds to detect a disc. Do not look into the Pickup Lens.
outer than the lead-in position, the Laser will light for several
seconds to detect a disc. Do not look into the Pickup Lens.
(2) The Laser Power Output of the Pickup inside the unit and
replacement service parts have already been adjusted prior
to shipping.
to shipping.
(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.
(4) Under no circumstances look directly into the Pickup Lens
at any time.
(5) CAUTION - Use of controls or adjustments, or performance
of procedures other than those specified herein may result
in hazardous radiation exposure.
in hazardous radiation exposure.
SAFETY PRECAUTION FOR SERVICE MANUAL
Specifications for this model are subject to change without
prior notice.
prior notice.
VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA
KUIN TÄSSÄ KÄYTTÖOHJEESSA MAI NI TULLA
TAVALLA SAATTAA ALTI STAA KÄYTTÄJÄN
TURVALLI SUUSLUOKAN 1 YLITTÄVÄLLE
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
KUIN TÄSSÄ KÄYTTÖOHJEESSA MAI NI TULLA
TAVALLA SAATTAA ALTI STAA KÄYTTÄJÄN
TURVALLI SUUSLUOKAN 1 YLITTÄVÄLLE
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT
SÄTT ÄN I DENNA BRUKSANVI SNI NG SPECI FI
CERAS. KAN ANVÄNDAREN UTSÄTTAS FÖR
OSYNLIG LASERSTRÅLNING, SOM ÖVERSKRIDER
GRÄNSEN FÖR LASERKLASS 1.
SÄTT ÄN I DENNA BRUKSANVI SNI NG SPECI FI
CERAS. KAN ANVÄNDAREN UTSÄTTAS FÖR
OSYNLIG LASERSTRÅLNING, SOM ÖVERSKRIDER
GRÄNSEN FÖR LASERKLASS 1.
Laser Diode Properties
Material: GaAIAs
W avelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
W avelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN. DO NOT STARE INTO
BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.
BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA
EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.
EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRALING VED ABNING. SE IKKE IND I
STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NAKYMATON LASERSATEILYLLE.
ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.
ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD.
STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT
INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE
INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT
INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE
INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
LASER KLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
●
Cassette deck section
Frequency re-
50 - 14,000 Hz (Normal tape)
sponse:
Signal/noise ratio: 50 dB
Wow and flutter:
Wow and flutter:
0.3 % (DIN 45 511)
●
Speaker section
Type:
Full range speaker system
Speakers:
10 cm (4") full-range speaker
Rated input
power:
power:
5 W
Maximum input
power:
power:
10 W
Impedance:
4 ohms
Dimensions:
Width; 145 mm (5-3/4")
Height; 240 mm (9-1/2")
Depth; 191 mm (7-1/2")
Depth; 191 mm (7-1/2")
Weight:
1.3 kg (2.9 lbs.)/each
●
General
Power source:
AC 230 V, 50 Hz
Power consumption: 26 W
Dimensions:
Dimensions:
Width; 160 mm (6-5/16")
Height; 241 mm (9-1/2")
Depth; 249 mm (9-13/16")
Depth; 249 mm (9-13/16")
Weight:
2.7 kg (6.0 lbs.)
●
Amplifier section
Output power:
PMPO; 28 W (total)
MPO; 14 W (7 W + 7 W)
(DIN 45 324)
MPO; 14 W (7 W + 7 W)
(DIN 45 324)
RMS; 10 W (5 W + 5 W)
(DIN 45 324)
Output terminals:
Speakers; 4 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
(recommended; 32 ohms)
●
Tuner section
Frequency range: FM; 87.5-108 MHz
AM; 522-1,620 kHz
●
Compact disc player section
Type:
Compact disc player
Signal readout:
Non-contact, 3-beam semi-
conductor laser pickup
D/A converter:
1-bit D/A converter
Filter:
8-times oversampling digital
filter
Frequency response: 20 - 20,000 Hz
Wow and flutter:
Wow and flutter:
Unmeasurable
(less than 0.001% W. peak)
– 3 –
XL-40H/50H
NAMES OF PARTS
XL-40H/50H
■
Front panel
1. Timer Indicator
2. Record Indicator
3. Sleep Indicator
4. (CD) Random Indicator
5. (CD/TUNER) Memory Indicator
6. RDS Indicator
7. Traffic Programme Indicator
8. Traffic Announcement Indicator
9. FM Stereo Mode Indicator
2. Record Indicator
3. Sleep Indicator
4. (CD) Random Indicator
5. (CD/TUNER) Memory Indicator
6. RDS Indicator
7. Traffic Programme Indicator
8. Traffic Announcement Indicator
9. FM Stereo Mode Indicator
10. (CD) Play Indicator
11. (CD) Repeat Indicator
12. EON Indicator
13. Programme Type Indicator
14. Traffic Information Indicator
15. FM Stereo Indicator
16. CD Compartment
17. EON Button
18. On/Stand-by Button
19. Programme Type/Traffic Information
13. Programme Type Indicator
14. Traffic Information Indicator
15. FM Stereo Indicator
16. CD Compartment
17. EON Button
18. On/Stand-by Button
19. Programme Type/Traffic Information
Search Button
20. (CD/TAPE) Stop Button
(TUNER) Memory Clear Button
21. Record Pause Button
22. Bass/Treble Selector Button
23. Memory/Set Button
24. Clock/Timer/Sleep Button
25. Band Selector Button
26. (CD) Review Button
22. Bass/Treble Selector Button
23. Memory/Set Button
24. Clock/Timer/Sleep Button
25. Band Selector Button
26. (CD) Review Button
(TAPE) Rewind Button
(TUNER) Tuning Down Button
(TUNER) Tuning Down Button
27. Function Selector Button
28. Headphone Socket
29. CD Eject Button
30. ASPM Button
31. Remote Control Sensor
32. Display Mode Selector Button
33. Volume Select Button
34. (CD) Play/Pause Button
28. Headphone Socket
29. CD Eject Button
30. ASPM Button
31. Remote Control Sensor
32. Display Mode Selector Button
33. Volume Select Button
34. (CD) Play/Pause Button
(TAPE) Play Button
35. Jog Dial
36. (CD) Cue Button
36. (CD) Cue Button
(TAPE) Fast Forward Button
(TUNER) Tuning Up Button
(TUNER) Tuning Up Button
37. Volume/Jog Dial Selector Button
38. Cassette Compartment
38. Cassette Compartment
■
Rear panel
1. AC Power Input Socket
2. FM 75 ohms Aerial Socket
3. AM Loop Aerial Input Socket
4. Speaker Terminals
2. FM 75 ohms Aerial Socket
3. AM Loop Aerial Input Socket
4. Speaker Terminals
1
2 3
4
5
6 7 8 9
11
12 13 14 15
10
16
17
17
18
19
20
19
20
21
22
23
22
23
24
29
30
30
31
32
33
34
32
33
34
35
36
37
38
25
26
27
28
1
2
3
4
XL-40H/50H
– 4 –
CP-XL40H/50H
XL-40H/50H
■
Speaker section
1. Bass Reflex Duct
2. Full-Range Speaker
3. Speaker Wire
2. Full-Range Speaker
3. Speaker Wire
■
Remote control
1. Remote Control Transmitter LED
●
Tuner control section
2. Programme Type/Traffic Information
Search Button
3. Preset Up/Down Buttons
●
CD control section
4. Clear Button
5. Random/Repeat Button
6. Memory Button
7. Stop Button
8. Play/Pause Button
9. Track Down/Review Button
5. Random/Repeat Button
6. Memory Button
7. Stop Button
8. Play/Pause Button
9. Track Down/Review Button
10. Track Up/Cue Button
●
Tape control section
11. Record Pause Button
12. Rewind Button
13. Stop Button
14. Play Button
15. Fast Forward Button
13. Stop Button
14. Play Button
15. Fast Forward Button
●
Common section
16. Sleep Button
17. Bass Up/Down Buttons
18. Function Selector Buttons
19. On/Stand-by Button
20. Timer Button
21. Clock Button
22. Treble Up/Down Buttons
23. Volume Up/Down Buttons
17. Bass Up/Down Buttons
18. Function Selector Buttons
19. On/Stand-by Button
20. Timer Button
21. Clock Button
22. Treble Up/Down Buttons
23. Volume Up/Down Buttons
1
2
3
2
4
5
4
5
6
11
12
3
7
8
8
9
10
10
13
14
15
14
15
21
23
16
17
18
19
18
19
20
22
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