Read Sharp XL-HP404 (serv.man13) Service Manual online
SERVICE MANUAL
XL-HP404E/HP404H
No. S1401XLHP404H
MICRO COMPONENT SYSTEM
XL-HP404E
MODEL
SHARP CORPORATION
CONTENTS
CHAPTER 1. GENERAL DESCRIPTION
[1] SAFETY PRECAUTION FOR SERVICE
[1] SAFETY PRECAUTION FOR SERVICE
MANUAL .......................................................1-1
[2] IMPORTANT
SERVICE NOTES (FOR U.K.
ONLY)............................................................1-1
[3] SPECIFICATIONS.........................................1-2
[4] NAMES OF PARTS .......................................1-3
[4] NAMES OF PARTS .......................................1-3
CHAPTER 2. ADJUSTMENTS
[1] ADJUSTMENT ..............................................2-1
[2] TEST
[1] ADJUSTMENT ..............................................2-1
[2] TEST
MODE .................................................2-2
[3] Standard Specification of Stereo System
Error Message Display Contents...................2-4
CHAPTER 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE
[1] REMOVING AND REINSTALLING THE
MAIN PARTS .................................................3-1
[2] DISASSEMBLY .............................................3-3
CHAPTER 4. DIAGRAMS
[1] BLOCK
[1] BLOCK
DIAGRAM.........................................4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] WAVEFORMS
[1] WAVEFORMS
OF
CD CIRCUIT .................... 5-1
[2] VOLTAGE....................................................... 5-2
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] NOTES ON SCHEMATIC DIAGRAM ............ 6-1
[2] TYPES OF TRANSISTOR AND LED ............ 6-1
[3] WIRING SIDE OF P.W.BOARD/SCHE-
LAYOUT
[1] NOTES ON SCHEMATIC DIAGRAM ............ 6-1
[2] TYPES OF TRANSISTOR AND LED ............ 6-1
[3] WIRING SIDE OF P.W.BOARD/SCHE-
MATIC DIAGRAM .......................................... 6-2
CHAPTER 7. FLOWCHART
[1] TROUBLESHOOTING................................... 7-1
[1] TROUBLESHOOTING................................... 7-1
CHAPTER 8. OTHERS
[1] FUNCTION TABLE OF IC.............................. 8-1
[2] FL
[1] FUNCTION TABLE OF IC.............................. 8-1
[2] FL
DISPLAY ..................................................8-11
[3] WIRING OF PRIMARILY SUPPLY LEADS
(FOR U.K. ONLY) ........................................ 8-12
Parts Guide
XL-HP404E Micro Component System consisting of XL-
HP404E (main unit) and CP-HP404E (speaker system).
HP404E (main unit) and CP-HP404E (speaker system).
XL-HP404H
MODEL
XL-HP404H Micro Component System consisting of XL-
HP404H (main unit) and CP-HP404H (speaker system).
HP404H (main unit) and CP-HP404H (speaker system).
Illustration XL-HP404E
Illustration XL-HP404H
•
In the interests of user-safety the set should be restored to its origi-
nal condition and only parts identical to those specified be used.
nal condition and only parts identical to those specified be used.
•
Note for users in U.K.
Recording and playback of any material may require consent which
SHARP is unable to give. Please refer particularly to the provisions
of Copyright Act 1956, the Dramatic and Musical Performers Pro-
tection Act 1956, the Performers Protection Acts 1963 and 1972
and to any subsequent statutory enactments and orders.
Recording and playback of any material may require consent which
SHARP is unable to give. Please refer particularly to the provisions
of Copyright Act 1956, the Dramatic and Musical Performers Pro-
tection Act 1956, the Performers Protection Acts 1963 and 1972
and to any subsequent statutory enactments and orders.
(XL-HP404H ONLY)
(XL-HP404H ONLY)
XL-HP404E/HP404H
1 – 1
Audio
XL-HP404E/HP404H
Service Manual
XL-HP404H
Market
E
CHAPTER 1.
GENERAL DESCRIPTION
[1] SAFETY PRECAUTION FOR SERVICE
MANUAL
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 1 Requirements. However,
the following precautions must be observed during servicing to protect
your eyes against exposure to the Laser beam.
model is specified to be lower than Class 1 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 with-
out 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.
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 replace-
ment service parts have already been adjusted prior 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 pro-
cedures other than those specified herein may result in hazardous
radiation exposure.
radiation exposure.
[2] IMPORTANT SERVICE NOTES (FOR U.K.
ONLY)
ONLY)
Before returning the unit to the customer after completion of a repair or
adjustment it is necessary for the following withstand voltage test to be
applied to ensure the unit is safe for the customer to use.
adjustment it is necessary for the following withstand voltage test to be
applied to ensure the unit is safe for the customer to use.
Setting of Withstanding Voltage Tester and set.
(FOR U.K.)
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
(EXCEPT FOR U.K.)
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA KUIN TÄSSÄ
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN
I DENNA BRUKSANVISNING SPECIFICERAS. KAN
ANVÄNDAREN UTSÄTTAS FÖR OSYNLIG LASER-
STRÅLNING, SOM ÖVERSKRIDER GRÄNSEN FÖR
LASERKLASS 1.
ADVERSEL-SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING.
SE IKKE IND I STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
SE IKKE IND I STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NÄKYVÄLLE JA NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ
OPTISEN LAITTEEN LÄPI.
VARNING-SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA
DEL ÄR ÖPPNAD. STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ
STRÅLEN GENOM OPTISKT INSTRUMENT.
LASERSÄTEILYLLE ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ
OPTISEN LAITTEEN LÄPI.
VARNING-SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA
DEL ÄR ÖPPNAD. STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ
STRÅLEN GENOM OPTISKT INSTRUMENT.
Set name
set value
Withstanding Voltage Tester
Test voltage
Test voltage
4,240 VPEAK
3,000 VRMS
3,000 VRMS
Set time
6 secs
Set current (Cutoff current)
4 mA
Unit
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
PROBE
AC
OUT
UNIT
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF CHASSIS
SCREW
WITHSTANDING
VOLTAGE TESTER
XL-HP404E/HP404H
1 – 2
[3] SPECIFICATIONS
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
XL-HP404E
Specifications for this model are subject to change without prior
notice.
notice.
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General
Amplifier
CD player
Tuner
Cassette deck
Speaker
Power source
AC 230 - 240 V, 50 Hz
Power
consumption
consumption
100 W
Dimensions
Width: 185 mm (7-1/4")
Height: 260 mm (10-1/4")
Depth: 307 mm (12")
Height: 260 mm (10-1/4")
Depth: 307 mm (12")
Weight
6.0 kg (13.2 lbs.)
Output power
RMS: 100 W (50 W + 50 W) (10 % T.H.D.)
MPO: 182 W (91 W + 91 W) (10 % T.H.D.)
For AUSTRALIA
RMS: 100 W (50 W + 50 W) (10 % T.H.D.)
RMS: 76 W (38 W + 38 W) (0.9 % T.H.D.)
Output terminals
Speakers: 6 ohms
Headphones: 16 - 50 ohms (recommended:
32 ohms)
32 ohms)
Subwoofer pre-output (audio signal):
200 mV/10 k ohms at 70 Hz
200 mV/10 k ohms at 70 Hz
Input terminals
Video/Auxiliary (audio signal): 500 mV/47 k
ohms
ohms
Type
5-disc multi-play compact disc player
Signal readout
Non-contact, 3-beam semiconductor laser
pickup
pickup
D/A converter
1-bit D/A converter
Frequency
response
response
20 - 20,000 Hz
Dynamic range
90 dB (1 kHz)
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Frequency
response
response
50 - 14,000 Hz (normal tape)
Signal/noise ratio
50 dB (recording/playback)
Wow and flutter
0.3 % (WRMS)
Type
2-way type speaker system
5 cm (2") tweeter
13 cm (5-1/8") woofer
Maximum input
power
power
100 W
Rated input power
50 W
Impedance
6 ohms
Dimensions
Width: 165 mm (6-1/2")
Height: 261 mm (10-1/4")
Depth: 230 mm (9-1/16")
Height: 261 mm (10-1/4")
Depth: 230 mm (9-1/16")
Weight
2.6 kg (5.7 lbs.)/each
For. U.K.
XL-HP404H
General
Amplifier
CD player
Tuner
Cassette deck
Speaker
Power source
AC 230 V, 50 Hz
Power
consumption
consumption
Power on: 100 W
Power stand-by: 0.6 W (*)
Dimensions
Width: 185 mm (7-1/4")
Height: 260 mm (10-1/4")
Depth: 307 mm (12")
Height: 260 mm (10-1/4")
Depth: 307 mm (12")
Weight
6.0 kg (13.2 lbs.)
( * )This power consumption value is obtained when the demonstra-
tion mode is cancelled in the power stand-by mode. Refer to
page 9 to cancel the demonstration mode.
page 9 to cancel the demonstration mode.
Output power
PMPO: 364 W
MPO: 182 W (91 W + 91 W) (DIN 45 324)
RMS: 100 W (50 W + 50 W) (DIN 45 324)
RMS: 76 W (38 W + 38 W) (DIN 45 500)
Output terminals
Speakers: 6 ohms
Headphones: 16 - 50 ohms (recommended:
32 ohms)
32 ohms)
Subwoofer pre-output (audio signal):
200 mV/10 k ohms at 70 Hz
200 mV/10 k ohms at 70 Hz
Input terminals
Video/Auxiliary (audio signal): 500 mV/47 k
ohms
ohms
Type
5-disc multi-play compact disc player
Signal readout
Non-contact, 3-beam semiconductor laser
pickup
pickup
D/A converter
1-bit D/A converter
Frequency
response
response
20 - 20,000 Hz
Dynamic range
90 dB (1 kHz)
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Frequency
response
response
50 - 14,000 Hz (normal tape)
Signal/noise ratio
50 dB (recording/playback)
Wow and flutter
0.35 % (DIN 45 511)
Type
2-way type speaker system
5 cm (2") tweeter
13 cm (5-1/8") woofer
Maximum input
power
power
100 W
Rated input power
50 W
Impedance
6 ohms
Dimensions
Width: 165 mm (6-1/2")
Height: 261 mm (10-1/4")
Depth: 230 mm (9-1/16")
Height: 261 mm (10-1/4")
Depth: 230 mm (9-1/16")
Weight
2.6 kg (5.7 lbs.)/each
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XL-HP404E/HP404H
1 – 3
[4] NAMES OF PARTS
Controls and indicators
Front panel
1. Disc Trays
2. Timer Indicator
3. On/Stand-by Button
4. Clock/Timer Button
5. CD Track Down or Fast Reverse, Tape Fast Wind,
2. Timer Indicator
3. On/Stand-by Button
4. Clock/Timer Button
5. CD Track Down or Fast Reverse, Tape Fast Wind,
Tuner Preset Down, Time Down Button
6. Tape Reverse Play Button
7. Tape Reverse Mode Select Button
8. Cassette Compartment
9. Headphone Socket
7. Tape Reverse Mode Select Button
8. Cassette Compartment
9. Headphone Socket
10. Disc Tray Open/Close Button
11. Disc Number Select Buttons
12. CD Direct Play Button
13. Illumination Light
14. Volume Control
15. CD Track Up or Fast Forward, Tape Fast Wind,
11. Disc Number Select Buttons
12. CD Direct Play Button
13. Illumination Light
14. Volume Control
15. CD Track Up or Fast Forward, Tape Fast Wind,
Tuner Preset Up, Time Up Button
16. Memory/Set Button
17. Equaliser Mode Select Button
18. Extra Bass/Demo Mode Button
19. CD Play or Repeat, Tape Forward Play Button
20. CD or Tape Stop Button
21. CD Button
22. Tuner (Band) Button
23. Tape Button
24. Video/Auxiliary Button
25. Tape Record Pause Button
26. Tuning Up Button
27. Tuning Down Button
17. Equaliser Mode Select Button
18. Extra Bass/Demo Mode Button
19. CD Play or Repeat, Tape Forward Play Button
20. CD or Tape Stop Button
21. CD Button
22. Tuner (Band) Button
23. Tape Button
24. Video/Auxiliary Button
25. Tape Record Pause Button
26. Tuning Up Button
27. Tuning Down Button
1
11
12
14
15
16
17
18
19
20
15
16
17
18
19
20
10
2
3
4
13
9
5
6
7
6
7
8
23
24
21
26
27
25
22
Illustration XL-HP404E
Display
1. Disc Number Indicators
2. CD Play Indicator
3. CD Pause Indicator
4. Memory Indicator
5. CD Repeat Play Indicator
6. CD Indicator
7. Extra Bass Indicator
8. Tape Reverse Play Indicator
9. Tape Forward Play Indicator
2. CD Play Indicator
3. CD Pause Indicator
4. Memory Indicator
5. CD Repeat Play Indicator
6. CD Indicator
7. Extra Bass Indicator
8. Tape Reverse Play Indicator
9. Tape Forward Play Indicator
10. Tape Reverse Mode Indicator
11. FM Stereo Mode Indicator
12. Daily Timer Indicator
13. FM Stereo Receiving Indicator
14. Tape Record Indicator
15. Sleep Indicator
16. Timer Play Indicator
17. Timer Recording Indicator
11. FM Stereo Mode Indicator
12. Daily Timer Indicator
13. FM Stereo Receiving Indicator
14. Tape Record Indicator
15. Sleep Indicator
16. Timer Play Indicator
17. Timer Recording Indicator
Rear panel
1. Cooling Fan
2. Speaker Terminals
3. AC Power Lead
4. FM 75 Ohms Aerial Socket
5. AM Loop Aerial Socket
6. Video/Auxiliary (Audio Signal) Input Sockets
7. Subwoofer Pre-output Socket
2. Speaker Terminals
3. AC Power Lead
4. FM 75 Ohms Aerial Socket
5. AM Loop Aerial Socket
6. Video/Auxiliary (Audio Signal) Input Sockets
7. Subwoofer Pre-output Socket
Speaker system
1
7
10
8
9
7
6
3
2
1
4 5
15 16 17
12
11
13
14
3
2
4
6
5
1. Tweeter
2. Woofer
3
2. Woofer
3
. Bass Reflex Duct
4. Speaker Wire
1
3
4
2
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Illustration XL-HP404E
