Read Sharp CD-MPX860H (serv.man2) Service Manual online
CD-MPX860H
SERVICE MANUAL
In the interests of user-safety 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.
No. S1701CDMP860H
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.
PRECAUTIONS FOR USING LEAD FREE SOLDER
CHAPTER 1. GENERAL DESCRIPTION
[1] Safety Precaution For Service Manual ......... 1-1
[2] Important Service Notes (for U.K. only) ......... 1-2
[3] Specifications................................................ 1-2
CHAPTER 1. GENERAL DESCRIPTION
[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
CHAPTER 2. ADJUSTMENTS
[1] Mechanism
[1] Mechanism
Section ....................................... 2-1
[2] Test
Mode ...................................................... 2-2
[3] CD
Section..................................................... 2-4
[4] CD Changer Mechanism Section................... 2-5
CHAPTER 3. MECHANISM BLOCKS
[1] Caution On Disassembly ............................... 3-1
[2] Removing
[1] Caution On Disassembly ............................... 3-1
[2] Removing
And
Reinstalling The Main Parts . 3-4
CHAPTER 4. DIAGRAMS
[1] CD Block Diagrams ....................................... 4-1
[2] Main Block Diagrams ..................................... 4-2
[1] CD Block Diagrams ....................................... 4-1
[2] Main Block Diagrams ..................................... 4-2
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] Schematic
LAYOUT
[1] Notes On Schematic Diagram....................... 6-1
[2] Types Of Transistor And LED........................ 6-1
[3] Schematic
Diagram ....................................... 6-2
[4] Wiring Side Of PWB .................................... 6-12
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 ..................................................... 8-8
[3] Wiring Of Primary Supply Leads
(for U.K. only) ................................................ 8-9
Parts Guide
MINI COMPONENT SYSTEM
CD-MPX860H
MODEL
CD-MPX860H Mini Component System consisting
of CD-MPX860H (main unit) and CP-MPX860H
(speaker system).
of CD-MPX860H (main unit) and CP-MPX860H
(speaker system).
CONTENTS
l
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 Performers Protection Acts
1963 and 1972 and subsequent statutory enactments and
orders.
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Performers Protection Acts
1963 and 1972 and subsequent statutory enactments and
orders.
CD-MPX860H
– i –
Audio
XL-MP150
Service Manual
XLMP150
Market
E
PRECAUTIONS FOR USING LEAD-FREE SOLDER
1. Employing lead-free solder
Example:
Indicates lead-free solder of tin, silver and copper.
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.
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
solder may cause damage or accident due to cracks.
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
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 off or 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 to turn on
and off the power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after
every use of it.
When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.
and off the power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after
every use of it.
When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.
Be careful when replacing parts with polarity indication on the PWB silk.
Lead-free wire solder for servicing
Ref No.
Description
Parts No.
PWB-A
92LPWB6706MANS
PWB-C
PWB-D
MAIN (A1), POWER (A2)
PWB-B
92LPWB6706DPLS
92LPWB6514CDUS
DISPLAY (B1), GAME INPUT (B2)
CD SERVO
QPWBF0027AWZZ
QPWBF1055AWZZ
PWB-E
CD MOTOR (PWB ONLY)
CD CHANGER MOTOR (PWB ONLY)
"MAIN, POWER, DISPLAY, GAME INPUT, CD SERVO, CD MOTOR (PWB ONLY), CD CHANGER MOTOR (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.
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.
by 40 C,
CD-MPX860H
1 – 1
CHAPTER 1:
GENERAL DESCRIPTION
CD-MPX860H
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN.
DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH
OPTICAL INSTRUMENTS.
DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH
OPTICAL INSTRUMENTS.
WARNUNG-UNSICHTBARE LASERSTRAHLUNG WENN GERÄT
GEÖFFNET. NICHT IN DIE STRAHLUNG SCHAUEN ODER
DIREKT MIT OPTISCHEN HILFSMITTELN BETRACHTEN.
GEÖFFNET. NICHT IN DIE STRAHLUNG SCHAUEN ODER
DIREKT MIT OPTISCHEN HILFSMITTELN BETRACHTEN.
ATTENTION-RAYON LASER INVISIBLE EN CAS D'OUVERTURE.
NE PAS REGARDER LE FAISCEAU DIRECTEMENT OU AVEC DES
INSTRUMENTS OPTIQUES.
NE PAS REGARDER LE FAISCEAU DIRECTEMENT OU AVEC DES
INSTRUMENTS OPTIQUES.
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN.
DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH
OPTICAL INSTRUMENTS.
DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH
OPTICAL INSTRUMENTS.
WARNUNG-UNSICHTBARE LASERSTRAHLUNG WENN GERÄT
GEÖFFNET. NICHT IN DIE STRAHLUNG SCHAUEN ODER
DIREKT MIT OPTISCHEN HILFSMITTELN BETRACHTEN.
GEÖFFNET. NICHT IN DIE STRAHLUNG SCHAUEN ODER
DIREKT MIT OPTISCHEN HILFSMITTELN BETRACHTEN.
ATTENTION-RAYON LASER INVISIBLE EN CAS D'OUVERTURE.
NE PAS REGARDER LE FAISCEAU DIRECTEMENT OU AVEC DES
INSTRUMENTS OPTIQUES.
NE PAS REGARDER LE FAISCEAU DIRECTEMENT OU AVEC DES
INSTRUMENTS OPTIQUES.
CD-MPX860H for U.K.
Laser Diode Properties
Material: GaAIAs
Wavelenght: 795nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Material: GaAIAs
Wavelenght: 795nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Laser Diode Properties
Material: GaAIAs
Wavelenght: 795nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Material: GaAIAs
Wavelenght: 795nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
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
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.
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.
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
4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
CD-MPX860H
– 4
[3] Specifications
CD-MPX860H
[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.
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
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF CHASSIS
SCREW
TO GND OF CHASSIS
SCREW
WITHSTANDING
VOLTAGE TESTER
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL.
General
* This power consumption value is obtained when the demonstration
mode is cancelled in the power stand-by mode.
Amplifier
Power source
AC 230 V, 50 Hz
Power
consumption
consumption
Power on: 105 W
Power stand-by: 0.6 W (*)
Power stand-by: 0.6 W (*)
Dimensions
Width: 260 mm (10 - 1/4")
Height: 330 mm (13")
Depth: 323 mm (12 - 7/8")
Height: 330 mm (13")
Depth: 323 mm (12 - 7/8")
Weight
7.5 kg (16.5 lbs.)
Output power
PMPO: 860 W
MPO: 430 W (215 W + 215 W) (DIN 45 324)
RMS: 240 W (120 W + 120 W) (DIN 45 324)
RMS: 160 W (80 W + 80 W) (DIN 45 500)
MPO: 430 W (215 W + 215 W) (DIN 45 324)
RMS: 240 W (120 W + 120 W) (DIN 45 324)
RMS: 160 W (80 W + 80 W) (DIN 45 500)
Output terminals
Speakers: 6 ohms
Headphones: 16 - 50 ohms
(recommended: 32 ohms)
(recommended: 32 ohms)
Video output: 1Vp-p
Input terminals
Game/ Auxiliary (audio signal):
500 mV/ 47 k ohms
500 mV/ 47 k ohms
Game/Video: 1Vp-p
Tuner
Cassette deck
Speaker
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Frequency
response
response
50 - 14,000 Hz (normal tape)
Signal/noise ratio
55 dB (TAPE 1, playback)
50 dB (TAPE 2, recording/playback)
50 dB (TAPE 2, recording/playback)
Wow and flutter
0.35 % (DIN 45 511)
Type
3-way type speaker system
Super tweeter
5 cm (2") tweeter
16 cm (6 - 5/16") woofer
Maximum input
power
power
240 W
Rated input power
120 W
Impedance
6 ohms
Dimensions
Width: 200 mm (7 - 7/8" )
Height: 330 mm (13" )
Depth: 231 mm (9 - 1/8")
Height: 330 mm (13" )
Depth: 231 mm (9 - 1/8")
Weight
3.3 kg (7.3 lbs.) /each
CD player
Type
5-disc multi-play compact disc player
Signal readout
Non-contact, 3-beam semiconductor laser
pickup
pickup
D/A converter
16-bit D/A converter
Frequency
response
response
20 - 20,000 Hz
Dynamic range
90 dB (1 kHz)
1 – 2
