Sharp XL-520E (serv.man2) Service Manual ▷ View online
– 1 –
XL-520H,520E/CP-520,520E
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
OPERATION MANUAL ..................................................................................................................................................... 6
DISASSEMBLY ................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 8
ADJUSTMENT .................................................................................................................................................................. 9
BLOCK DIAGRAM .......................................................................................................................................................... 16
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
OPERATION MANUAL ..................................................................................................................................................... 6
DISASSEMBLY ................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 8
ADJUSTMENT .................................................................................................................................................................. 9
BLOCK DIAGRAM .......................................................................................................................................................... 16
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................ 20
VOLTAGE ....................................................................................................................................................................... 28
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 29
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 29
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 29
WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 30
TROUBLESHOOTING (CD SECTION) .......................................................................................................................... 31
FUNCTION TABLE OF IC .............................................................................................................................................. 36
LCD SEGMENT .............................................................................................................................................................. 43
PACKING METHOD (XL-520E ONLY) ............................................................................................................................ 44
REPLACEMENT PARTS LIST/EXPLODED VIEW
REPLACEMENT PARTS LIST/EXPLODED VIEW
XL-520H
XL-520E
CP-520
CP-520E
XL-520E
CP-520
CP-520E
XL-520H and CP-520 constitute XL-520H.
XL-520E and CP-520E constitute XL-520E.
XL-520E and CP-520E constitute XL-520E.
Illustration: XL-520H/CP-520
SERVICE MANUAL
SHARP CORPORATION
No. S9768XL520HE/
• 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-520H,520E/CP-520,520E
– 2 –
SAFETY PRECAUTION FOR
SERVICE MANUAL
Precaution to be taken when replacing and servicing the
Laser Pickup.
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
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.
LASER KLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
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.
VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA KUIN
TÄSSÄ
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
TÄSSÄ
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT
ÄN I DENNA BRUKSANVISNING SPECIFICERAS. KAN
A NV ÄN DA RE N UT S ÄT T AS FÖR OSY NLI G
LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN FÖR
LASERKLASS 1.
ÄN I DENNA BRUKSANVISNING SPECIFICERAS. KAN
A NV ÄN DA RE N UT S ÄT T AS FÖR OSY NLI G
LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN FÖR
LASERKLASS 1.
(XL-520E)
(XL-520H)
– 3 –
XL-520H,520E/CP-520,520E
Cassette deck section
Frequency response:
50 - 14,000 Hz (Normal tape)
Signal/noise ratio:
50 dB
Wow and flutter:
0.25 % (WRMS)
Type:
2-way [12 cm (4-3/4") woofer and 2 cm
(13/16") tweeter]
(13/16") tweeter]
Rated input power:
20 W
Maximum input power: 40 W
Impedance:
Impedance:
4 ohms
Dimensions:
Width; 160 mm (6-5/16")
Height; 240 mm (9-1/2")
Depth; 183 mm (7-1/4")
Height; 240 mm (9-1/2")
Depth; 183 mm (7-1/4")
Weight:
1.8 kg (4.0 lbs.)/each
General
Power source:
AC 230 V, 50 Hz
Power consumption:
95 W
Dimensions:
Width; 160 mm (6-5/16")
Height; 240 mm (9-1/2")
Depth; 300 mm (11-13/16")
Height; 240 mm (9-1/2")
Depth; 300 mm (11-13/16")
Weight:
3.5 kg (7.7 lbs.)
Amplifier section
Output power:
PMPO; 112 W (total)
MPO; 56 W (28 W + 28 W) (10% T.H.D)
RMS; 40 W (20 W + 20 W) (10% T.H.D)
MPO; 56 W (28 W + 28 W) (10% T.H.D)
RMS; 40 W (20 W + 20 W) (10% T.H.D)
Input terminals:
Video/Auxiliary (audio signal);
500 mV/47 kohms
500 mV/47 kohms
Output terminals:
Speakers; 4 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
Headphones; 16-50 ohms
(recommended; 32 ohms)
Tuner section
Frequency range:
FM; 87.5 - 108 MHz
MW; 522 - 1,620 kHz
LW; 153-281 kHz
MW; 522 - 1,620 kHz
LW; 153-281 kHz
Compact disc player section
Type:
Compact disc player
Signal readout:
Non-contact, 3-beam semi-conductor
laser pickup
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:
Unmeasurable
(less than 0.001% W.peak)
(less than 0.001% W.peak)
SPECIFICATIONS
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
Specifications for this model are subject to change without
prior notice.
prior notice.
XL-520H/520E
CP-520/520E
XL-520H,520E/CP-520,520E
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NAMES OF PARTS
Front Panel
1. Functin/Band/Track Number Indicator
2. Volume Indicator
3. Extra Bass/Equalizar Indicator
4. Timer Indicator
5. Record Indicator
6. Sleep Indicator
7. Repeat Indicator
8. Play Indicator
9. Video/Auxiliary Indicator
2. Volume Indicator
3. Extra Bass/Equalizar Indicator
4. Timer Indicator
5. Record Indicator
6. Sleep Indicator
7. Repeat Indicator
8. Play Indicator
9. Video/Auxiliary Indicator
10. Random Indicator
11. Memory Indicator
12. FM Stereo Mode Indicator
13. FM Stereo Indicator
11. Memory Indicator
12. FM Stereo Mode Indicator
13. FM Stereo Indicator
14. CD Compartment
15. On/Stand-by Switch
16. Remote Control Sensor
17. Record Pause/Beat Cancel Button
18. Memory/Set Button
19. (CD) Track Down/Review Button
(TAPE) Rewind Button
(TUNER) Preset Down Button
20. Headphone Socket
21. CD Eject Button
22. Function Selector Button
23. Band Selector Button
24. Extra Bass/Equalizer Mode Button
25. Volume Up/Down Buttons
26. (CD) Play/Pause Button
(TAPE) Play Button
(TUNER) Tuning Up Button
27. (CD/TAPE) Stop Button
(TUNER) Clear Button
28. (CD) Track Up/Cue Button
(TAPE) Fast Forward Button
(TUNER) Preset Up Button
29. Cassette Compartment
30. CD Digital Output Socket (Optical)
15. On/Stand-by Switch
16. Remote Control Sensor
17. Record Pause/Beat Cancel Button
18. Memory/Set Button
19. (CD) Track Down/Review Button
(TAPE) Rewind Button
(TUNER) Preset Down Button
20. Headphone Socket
21. CD Eject Button
22. Function Selector Button
23. Band Selector Button
24. Extra Bass/Equalizer Mode Button
25. Volume Up/Down Buttons
26. (CD) Play/Pause Button
(TAPE) Play Button
(TUNER) Tuning Up Button
27. (CD/TAPE) Stop Button
(TUNER) Clear Button
28. (CD) Track Up/Cue Button
(TAPE) Fast Forward Button
(TUNER) Preset Up Button
29. Cassette Compartment
30. CD Digital Output Socket (Optical)
Rear Panel
1. AC Power Input Socket
2. FM 75 ohms Aerial Socket
3. MW/LW Loop Aerial Input Socket
4. Video/Auxiliary (Audio Signal) Input Sockets
5. Speaker Terminals
2. FM 75 ohms Aerial Socket
3. MW/LW Loop Aerial Input Socket
4. Video/Auxiliary (Audio Signal) Input Sockets
5. Speaker Terminals
XL-520H/520E
VOL
EQ
AUX
RANDOM
MEMORY
ST
REC SLEEP
kHz
MHz
1
2
3
4 5
6
7
8
9
10
11
12 13
17
18
19
14
15
16
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
(Illustration: XL-520H)