Read Sharp XL-HP434 (serv.man10) Service Manual online
SERVICE MANUAL
XL-HP434H
No. S3409XLHP434H
MICRO COMPONENT SYSTEM
XL-HP434H
MODEL
SHARP CORPORATION
CONTENTS
CHAPTER 1. GENERAL DESCRIPTION
[1] SAFETY PRECAUTION FOR SERVICE
[1] SAFETY PRECAUTION FOR SERVICE
MANUAL ........................................................ 1-1
[2] SPECIFICATIONS ......................................... 1-2
[3] NAMES
[3] 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 OF CD CIRCUIT .................... 5-1
[2] VOLTAGE....................................................... 5-2
[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
Parts Guide
XL-HP434H Micro Component System consisting of XL-
HP434H (main unit) and CP-HP434H (speaker system).
HP434H (main unit) and CP-HP434H (speaker system).
•
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-HP434H
1 – 1
Audio
XL-HP434H
Service Manual
XLHP434H
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.
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.
XL-HP434H
1 – 2
[2] SPECIFICATIONS
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
■ 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.
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)
(recommended: 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
500 mV/47 k 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 - 108.0 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
Specifications for this model are subject to change without prior
notice.
notice.
XL-HP434H
1 – 3
[3] NAMES OF PARTS
■ Front panel
1. Disc Trays
2. Timer Indicator
3. On/Stand-by Button
4. Clock/Timer Button
5. Disc Track Down or Fast Reverse, Tape Fast Wind,
2. Timer Indicator
3. On/Stand-by Button
4. Clock/Timer Button
5. Disc 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. Disc Direct Play Button
13. Illumination Light
14. Volume Control
15. Disc Track Up or Fast Forward, Tape Fast Wind,
11. Disc Number Select Buttons
12. Disc Direct Play Button
13. Illumination Light
14. Volume Control
15. Disc 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. Disc Play or Repeat, Tape Forward Play Button
20. Disc or Tape Stop Button
21. RDS ASPM (Auto Station Programme Memory) Button
22. RDS Programme Type/
17. Equaliser Mode Select Button
18. Extra Bass/Demo Mode Button
19. Disc Play or Repeat, Tape Forward Play Button
20. Disc or Tape Stop Button
21. RDS ASPM (Auto Station Programme Memory) Button
22. RDS Programme Type/
Traffic Information Search Button
23. RDS Display Mode Select Button
24. CD Button
25. Tuner (Band) Button
26. Tape Button
27. Video/Auxiliary Button
28. Tape Record Pause Button
29. Tuning Up Button
30. Tuning Down Button
24. CD Button
25. Tuner (Band) Button
26. Tape Button
27. Video/Auxiliary Button
28. Tape Record Pause Button
29. Tuning Up Button
30. Tuning Down Button
1
11
12
15
16
17
18
19
20
16
17
18
19
20
10
2
3
4
9
5
6
7
6
7
8
26
27
29
30
28
21
22
24
25
25
23
14
13
■ Display
1. Disc Number Indicators
2. MP3 Folder Indicator
3. MP3 Title Indicators
4. RDS Indicator
5. Traffic Announcement Indicator
6. Dynamic PTY Indicator
7. Traffic Programme Indicator
8. MP3 Total Indicator
9. Sleep Indicator
2. MP3 Folder Indicator
3. MP3 Title Indicators
4. RDS Indicator
5. Traffic Announcement Indicator
6. Dynamic PTY Indicator
7. Traffic Programme Indicator
8. MP3 Total Indicator
9. Sleep Indicator
10. Timer Play Indicator
11. Timer Recording Indicator
12. Tape Record Indicator
13. Daily Timer Indicator
14. FM Stereo Mode Indicator
15. FM Stereo Receiving Indicator
16. Memory Indicator
17. Tape Reverse Play Indicator
18. Tape Forward Play Indicator
19. Tape Reverse Mode Indicator
20. MP3 Disc Indicator
21. Extra Bass Indicator
22. Disc Repeat Play Indicator
23. Disc Pause Indicator
24. Disc Play Indicator
11. Timer Recording Indicator
12. Tape Record Indicator
13. Daily Timer Indicator
14. FM Stereo Mode Indicator
15. FM Stereo Receiving Indicator
16. Memory Indicator
17. Tape Reverse Play Indicator
18. Tape Forward Play Indicator
19. Tape Reverse Mode Indicator
20. MP3 Disc Indicator
21. Extra Bass Indicator
22. Disc Repeat Play Indicator
23. Disc Pause Indicator
24. Disc Play Indicator
8 9
3
2
1
10 11
7
6
4
12
5
20
21
22
23
24
13
17
18
15
14
16
19
