Read Sharp XL-UH220H (serv.man4) Service Manual online
XL-UH220H
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This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
sales service only.
The contents are subject to change without notice.
PRECAUTIONS FOR USING LEAD-FREE SOLDER
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) .......................................................... 1-2
[3] SPECIFICATIONS ....................................... 1-2
[4] NAMES OF PARTS ..................................... 1-4
[4] NAMES OF PARTS ..................................... 1-4
CHAPTER 2. ADJUSTMENTS
[1] CD
[1] CD
SECTION .............................................. 2-1
[2] TEST
MODE................................................ 2-2
[3] STANDARD
SPECIFICATION
OF
STEREO SYSTEM ...................................... 2-4
[4] CD CHANGER MECHANISM SECTION..... 2-5
CHAPTER 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE MAIN
[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 SERVO CIRCUIT ..........5-1
[2] VOLTAGE ....................................................5-3
[1] WAVEFORMS OF SERVO CIRCUIT ..........5-1
[2] VOLTAGE ....................................................5-3
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 PWB/SCHEMATIC
LAYOUT
[1] NOTES ON SCHEMATIC DIAGRAM ...........6-1
[2] TYPES OF TRANSISTOR AND LED ...........6-1
[3] WIRING SIDE OF PWB/SCHEMATIC
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................................................8-10
[3] WIRING OF PRIMARY SUPPLY LEADS
(FOR U.K. ONLY) .......................................8-11
Parts Guide
SERVICE MANUAL
No. S3606XLUH220H
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
specified ones for maintaining the safety and performance of the set.
CONTENTS
MICRO COMPONENT SYSTEM
MODEL
XL-UH220H Micro Component System consisting of
XL-UH220H (main unit) and CP-UH220H (speaker system).
XL-UH220H (main unit) and CP-UH220H (speaker system).
• Note for users in U.K.
Recording and playback of any material may require con-
sent which SHARP is unable to give. Please refer particu-
larly to the provisions of Copyright Act 1956, the Dramatic
and Musical Performers Protection Act 1956, the Perform-
ers Protection Acts 1963 and 1972 and to any subsequent
statutory enactments and orders.
sent which SHARP is unable to give. Please refer particu-
larly to the provisions of Copyright Act 1956, the Dramatic
and Musical Performers Protection Act 1956, the Perform-
ers Protection Acts 1963 and 1972 and to any subsequent
statutory enactments and orders.
• In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
original condition and only parts identical to those specified
be used.
XL-UH220H
XL-UH220H
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PRECAUTIONS FOR USING LEAD-FREE SOLDER
1. Employing lead-free solder
Example:
Indicates lead-free solder of tin, silver and copper.
Lead-free wire solder for servicing
Ref No.
Description
Parts No.
PWB-A
92LPWB6483MANS
92LPWB6475CDUS
PWB-C
MAIN (A1), POWER (A2), SPEAKER (A3)
PWB-B
92LPWB6483DPLS
DISPLAY (B1), USB (B2), JACK (B3), LED (B4), SUB (B5)
CD MP3
CD MP3
PWB-D
QPWBF0027AWZZ
CD MOTOR (PWB ONLY)
PWB-E
QPWBF1055AWZZ
CD CHANGER (PWB ONLY)
"MAIN, POWER, SPEAKER, DISPLAY, USB, JACK, LED, SUB, CD MP3, CD MOTOR (PWB ONLY), CD
CHANGER (PWB ONLY)" of this model employs lead-free solder.
The LF symbol indicates lead-free solder, and is attached on the PWB and service manuals.The alphabetical
character following LF shows the type of lead-free solder.
2. Using lead-free wire solder
When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with
conventional lead wire solder may cause damage or accident due to cracks.use a dedicated soldering bit, if you
are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station or service
branch in your area.As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by
40 C, we recommend you to use a dedicated soldering bit, if you are not familiar with how to obtain lead-free
wire solder or soldering bit, contact our service station or service branch in your area.
3. Soldering
As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 C which is higher than the conventional lead
solder by 40 C,and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the
PWB for extended period of time. However, since the land may be peeled of for the maximum heat-resistance
temperature of parts may be exceeded,remove the bit from the PWB as soon as you confirm the steady soldering
condition. Lead-free solder contains more tin, and the end of the soldering bit may be easily corrected. Make sure
bit as required. If a different type of solder stays on the tip of the soldering bit,it
Clean the bit after every use of it. When the tip of the soldering bit is blackened
or fine sand paper. Be careful when replacing parts with polarity indication on
i
to turn on and off the power of the
is alloyed with lead-free solder.
during use, file it with steel wool
the PWB silk.
XL-UH220H
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CHAPTER 1. GENERAL DESCRIPTION
[1] SAFETY PRECAUTION FOR SERVICE MANUAL
XL-UH220H
XL-UH220H for U.K. and
Australia/New Zealand
Laser Diode Properties
Material: GaAIAs
Wavelenght: 795m
Emission Duration: continuous
Laser Output: max. 0.6 mW
Material: GaAIAs
Wavelenght: 795m
Emission Duration: continuous
Laser Output: max. 0.6 mW
Laser Diode Properties
Material: GaAIAs
Wavelenght: 795m
Material: GaAIAs
Wavelenght: 795m
Laser Output: max. 0.6 mW
Note for users in Australia:
Copyright may exist in material you wish to record.
Copying or broadcasting such material without per-
mission of the relevant in licenses or owners of the
copyright is prohibited by law. SHARP is not in a
position to authorise the copying or broadcasting of
copyright materials and nothing in this OPERATION
MANUAL should be implied as giving that authority.
Copyright may exist in material you wish to record.
Copying or broadcasting such material without per-
mission of the relevant in licenses or owners of the
copyright is prohibited by law. SHARP is not in a
position to authorise the copying or broadcasting of
copyright materials and nothing in this OPERATION
MANUAL should be implied as giving that authority.
For other countries:
Audio-visual material may consist of copyrighted works
which must not be recorded without the authority of the
owner of the copyright. Please refer to the relevant laws
in your country.
Audio-visual material may consist of copyrighted works
which must not be recorded without the authority of the
owner of the copyright. Please refer to the relevant laws
in your country.
WARNINGS
THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER
This product is classified as a CLASS 1 LASER PRODUCT.
COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS
IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES
AGAINST EXPOSURE TO THE LASER BEAM.
1-WHEN THE CABINET IS REMOVED,THE POWER IS TURNED ON WITHOUT A COMPACT DISC IN POSITION AND THE
PICKUP IS ON THE OUTER EDGE 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 UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY
PRESET BEFORE SHIPMENT.
DO NOT ATTEMPT TO READJUST THE LASER PICKUP UNIT DURING REPLACEMENT OR SERVICING.
3-UNDER NO CIRCUMSTANCES STARE INTO THE PICKUP LENS AT ANY TIME.
4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
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XL-UH220H
1 – 4
General
Amplifier
USB
CD player
Tuner
Speaker
[3] SPECIFICATIONS
Power source
XL-UH220H
AC 230 V, 50 Hz
Power
consumption
Power on: 100 W
Power stand-by: 0.6 W(*)
Dimensions
Width: 175 mm (6-3/4")
Height: 240 mm (9-1/2")
Depth: 315 mm (12-1/5")
Weight
5.3 kg (11.7 lbs.)
( * )This power consumption value is obtained when the
demonstration 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
Headphones: 16 - 50 ohms
(recommended: 32 ohms)
Subwoofer pre-out (audio signal):
Subwoofer pre-out (audio signal):
200 mV/10 k ohms at 70 Hz
Input terminals
Video/Auxiliary (audio signal):
500 mV/47 k ohms
Class
Mass storage class
Support File
MP3/WMA (do not support DRM file)
Format support
FAT 16 or FAT 32
Bitrate support
MP3 (32 ~ 320 kbps)
WMA (64 ~ 160 kbps)
Other
MP3 lD3 - tag only supports version 1.x
USB supports version 2.0
Type
5-disc multi-play compact disc player
Signal readout
Non-contact, 3-beam semiconductor laser
pickup
D/A converter
1-bit D/A converter
Frequency
response
20 - 20,000 Hz
Dynamic range
90 dB (1 kHz)
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Type
2-way type speaker system
5 cm (2") tweeter
13 cm (5-1/8") woofer
Maximum input
power
100 W
Rated input power 50 W
Impedance
Impedance
6 ohms
Dimensions
Width: 185 mm ( 7-1/4")
Height: 260 mm (10-1/4")
Depth: 205 mm (8-1/16")
Weight
2.4 kg (5.3 lbs.)/each
[2] IMPORTANT SERVICE NOTES (FOR U.K. 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.
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
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL.
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