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PDF CD-MPS440W Data sheet ( Hoja de datos )
| Número de pieza | CD-MPS440W | |
| Descripción | MINI COMPONENT SYSTEM | |
| Fabricantes | Sharp | |
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CD-MPS440W
SERVICE MANUAL
No. S7557CDMS440W
MINI COMPONENT SYSTEM
MODEL CD-MPS440W
CD-MPS440W Mini Component System consisting of CD-MPS440W
(main unit) and CP-ES440 (Speaker System).
• In the interests of user-safety the set should be restored to its original con-
dition and only parts identical to those specified be used.
CONTENTS
CHAPTER 1. GENERAL DESCRIPTION
[1] PRECAUTION FOR USING LEAD-FREE
SOLDER ....................................................... 1-1
[2] SAFETY PRECAUTION FOR SERVICE
MANUAL ....................................................... 1-2
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[3] VOLTAGE SELECTION ................................ 1-2
[4] SPECIFICATIONS ........................................ 1-2
[5] NAMES OF PARTS....................................... 1-3
CHAPTER 2. ADJUSTMENTS
[1] ADJUSTMENT .............................................. 2-1
[2] TEST MODE ................................................. 2-2
CHAPTER 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE
MAIN PARTS ................................................ 3-1
[2] DISASSEMBLY ............................................. 3-4
CHAPTER 4. DIAGRAMS
[1] BLOCK DIAGRAM MAIN .............................. 4-1
[2] BLOCK DIAGRAM DISPLAY ........................ 4-3
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] NOTES ON SCHEMATIC DIAGRAM ............6-1
[2] TYPES OF TRANSISTOR AND LED ............6-1
[3] SCHEMATIC DIAGRAM MAIN(1/3)...............6-2
[4] SCHEMATIC DIAGRAM MAIN(2/3)...............6-4
[5] SCHEMATIC DIAGRAM MAIN(3/3)...............6-6
[6] SCHEMATIC DIAGRAM POWER .................6-8
[7] SCHEMATIC DIAGRAM DISPLAY ..............6-10
[8] SCHEMATIC DIAGRAM CD........................6-12
[9] WIRING SIDE OF PWB ..............................6-14
[10] WIRING SIDE OF PWB MAIN TOP ............6-16
[11] WIRING SIDE OF PWB MAIN BOTTOM......6-18
[12] WIRING SIDE OF PWB POWER ................6-20
[13] WIRING SIDE OF PWB DISPLAY TOP ......6-22
[14] WIRING SIDE OF PWB DISPLAY BOT-
TOM.............................................................6-24
[15] WIRING SIDE OF PWB CD ........................6-26
CHAPTER 7. FLOWCHART
[1] TROUBLESHOOTING ..................................7-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] WAVEFORMS OF CD CIRCUIT ................... 5-1
[2] VOLTAGE...................................................... 5-2
CHAPTER 8. OTHERS
[1] FUNCTION TABLE OF IC .............................8-1
[2] FL DISPLAY ..................................................8-7
Parts Guide
SHARP CORPORATION
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
CD-MPS440W
Remote control
1 1.Remote Control Transmitter
2.On/Stand-by Button
3.Direct Search Buttons
4.Disc Track Down or Fast Reverse, Tape 2 Rewind,
2 Tuner Preset Down Button
5.Disc or Tape Stop Button
6.Volume Down Button
10 7.Tuning and Time Down Button
3 8.Disc Button
4
11
12
9.Tuner (Band) Button
10.Disc Number Select Buttons
11.MP3/WMA Display Button
5
6
13
14
15 19 20 21 22
12.Volume Up Button
13.Disc Track Up or Fast Forward, Tape 2 Fast Forward,
Tuner Preset Up Button
14.Disc Play or Repeat, Tape Play Button
7
16
15.Disc Pause Button
16.Tuning and Time Up Button
17.Video/Auxiliary Button
18.Tape (1 2) Button
19.Tape 2 Record Pause Button
8
17 23 24 25 26
20.Memory/Set Button
21.Clear Button
22.Disc Random Play Button
9 18 23.Equaliser Mode Select Button
24.Extra Bass Button
25.Clock Button
26.Timer/Sleep Button
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1–4
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
CHAPTERHCSMEeDoarmr-vkMieecPetSStMe4ra4en0ouWalS/M 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE MAIN PARTS
1. TAPE MECHANISM SECTION
Perform steps 1 to 6 and 8 of the disassembly method to remove the
tape mechanism.
1.1. How to remove the record/playback and erase heads
(TAPE 1) (See Fig. 1)
1. When you remove the screws (A1) x 2 pcs., the record/playback
head can be removed.
1.2. How to remove the playback head (TAPE 2) (See Fig.
2)
1. When you remove the screws (B1) x 2 pcs., the erase head can be
removed.
2. When you remove the screws (B2) x 2 pcs., the record/playback
head can be removed
NOTE: After replacing the heads and performing the azimuth adjust-
ment, be sure to apply screw lock.
(A1)x1
ø2x7mm
(A1)x1
ø2x3mm
Record/
Playback Head
Figure 1
(B2)x1
ø2x7mm
(B2)x1
ø2x3mm
(B1)x2
ø2x8mm
1.3. How to remove the pinch roller (TAPE 1,2) (See Fig. 3)
1. when you remove the screw (C1) x 1pc., the pinch roller can be
removed.
Note:
When installing the pinch roller, pay attention to the spring mounting
position.
1.4. How to remove the motor (See Fig. 4)
1. Remove the belt.
2. Remove the screws (D1) x 4 pcs., to remove the motor bracket.
3. Remove the screws (D2) x 3 pcs., to remove the motor.
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Erase Head
Record/
Playback Head
Figure 2
TAPE 1 TAPE 2
CD-MPS440W
TAPE 1
TAPE 2
1.5. How to remove the belt (TAPE 1) (See Fig. 5)
1. Remove the main belt (F1) x 1 pc., from the motor side.
1.6. How to remove the belt (TAPE 2) (See Fig. 5)
1. Remove the main belt (G1) x 1 pc., from the motor side.
2. Remove the FF/REW belt (G2) x 1 pc.
Pinch Roller
(C1)x1
<A>
Pinch Roller
Pawl
Figure 3
Motor
(D1)x2
ø2x4mm
TAPE 2
Main
Belt
(G1)x1
Motor
TAPE 2
Main Belt
(G1)x1
REW/FF
Clutch Ass'y
TAPE 1
Main Belt
(F1)x1
TAPE 1
Motor
REW/FF
Belt
(G2)x1
Main
Belt
(F1)x1
Figure 5
3–1
(D1)x2
ø2x4mm
Motor
Bracket
(D2)x3
Special Screw
Motor
Bracket
Motor
Figure 4
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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