Read Sharp CD-MPS660H (serv.man13) Service Manual online
CD-MPS660H/CD-MPS660E
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.
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 Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
No. XXXXXXXXXXXXX
SHARP CORPORATION
CONTENTS
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.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
for after sales service only.
The contents are subject to change without notice.
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications ................................................. 1-1
[2] Names
[1] Specifications ................................................. 1-1
[2] Names
of
parts............................................... 1-2
CHAPTER 2. ADJUSTMENTS
[1] Mechanism
[1] Mechanism
section ........................................ 2-1
[2] Tuner
section ................................................. 2-1
[3] CD
section ..................................................... 2-1
[4] CD Changer mechanism section ................... 2-5
CHAPTER 3. MECHANISM BLOCKS
[1] Caution
[1] Caution
on
diassembly................................... 3-1
[2] Removing and reinstalling the main parts
........ 3-4
CHAPTER 4. DIAGRAMS
[1] Block
[1] Block
diagrams .............................................. 4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Notes on schematic diagram .........................5-1
[2] Types of transistor and LED ..........................5-1
[3] Waveforms of CD circuit................................5-2
[4] Voltage...........................................................5-3
[1] Notes on schematic diagram .........................5-1
[2] Types of transistor and LED ..........................5-1
[3] Waveforms of CD circuit................................5-2
[4] Voltage...........................................................5-3
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Schematic
LAYOUT
[1] Schematic
diagram........................................6-1
[2] Wiring side of PWB......................................6-19
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
Parts Guide
MINI COMPONENT SYSTEM
CD-MPS660H
MODEL
CD-MPS660E
MODEL
CD-MPS660H Mini Component System consisting of CD-MPS660H
(main unit) and CP-MPS660H (speaker system).
(main unit) and CP-MPS660H (speaker system).
CD-MPS660E Mini Component System consisting of CD-MPS660E
(main unit) and CP-MPS660E (speaker system).
(main unit) and CP-MPS660E (speaker system).
MINI COMPONENT SYSTEM
MINI COMPONENT SYSTEM
Illustration: CD-MPS660H
Illustration: CD-MPS660E
CD-MPS660H/CD-MPS660E
– i –
SAFETY PRECAUTION FOR SERVICE MANUAL
Precaution to be taken when replacing and servicing the 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.
However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
hazardous radiation exposure.
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.
Setting of Withstanding Voltage Tester and set.
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.
Setting of Withstanding Voltage Tester and set.
Set name
set value
Withstanding Voltage Tester
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.
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
Display