DOWNLOAD Sharp CD-MPX880H Service Manual ↓ Size: 13.51 MB | Pages: 84 in PDF or view online for FREE

Model
CD-MPX880H
Pages
84
Size
13.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-mpx880h.pdf
Date
PREV: Sharp CD-MPX860H (serv.man2) Service Manual

Sharp CD-MPX880H Service Manual ▷ View online

CD-MPX880
H
3 – 3
Screwdriver
STEP
PROCEDURE
FIGURE
1
1. Front Panel………….…..(A1) X 1
10
1. Screw…….…….…….….(A2) X 4
2
Tweeter
1. Screw…….……….....….(B1) X 2
10
Woofer
REMOVAL
Front Panel
(A2) x 4
M4 x 16mm
Figure 10
(B1) x 2
M3 x 10mm
(A1) x 1
Speaker Box
Tweeter
Woofer
CAUTION: 
TO REMOVE SPEAKER UNIT, PRESS THESE LOCKING TABS 
TO RELEASE SPEAKER WIRES.
SPEAKER UNIT
LOCKING TAB
LOCKING TAB
SPEAKER WIRE
CD-MPX880H
4 – 1
CHAPTER 4. DIAGRAMS
[1] Main Block Diagrams
Figure 4-1: MAIN BLOCK DIAGRAM (1/2)
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
-VF
VF1
R
L
R
L
CNS603
JKA701 (AUDIO IN)
CNP603
-20dB
ATT
Q101~
Q104
Q107
Q108
Q607
REC/PLAY
CLK
CE
DI
+B4
L
R
BIAS
T1/T2
MUTING
P.B.
REC.
AC BIAS
L
L
R
R
R
L
TAPE
TUNER
CD
P.B.
CNP2
FROM CD SECTION 
HEAD
ERASE
SWITCHING
SWITCHING
SWITCHING
BIAS
Q113
Q114
Q112
Q110
LED
DRIVER
Q702
Q709~
Q712
Q703~
Q708
SWITCHING
Q109
BIAS
OSC
Q111
L103
Q105
Q106
REC./P.B.
HEAD
TAPE 2
P.B. HEAD
TAPE 1
R-CH
L-CH
R-CH
L-CH
IC601
LC75341
AUDIO PROCESSOR
+B4
R
L
REC.
R
L  
ALC
R REC.
L REC. 
POP REDUCE
SWITCHING 
L(T2) 
R(T2) 
R(T1) 
L(T1) 
21
4
24
2
1
18
11
16
3
15
10
9
7
23
14
12
13
19
7
18
10
43
5
56
13
21
4
2
24
23
6
9
16
12
11
15
1
H/N
P.B. 
REC
T1/T2
T1/T2
NOR/
HIGH
+B4
+B4
+B4
SYSTEM
MUTE
TAPE
MECHANISM
ASS'Y
MOTOR
DRIVER
SOLENOID
DRIVER
+B3
+B3
LED701
JOG701
VOLUME
IC701
IXA180AW
SYSTEM
MICROCOMPUTER
(2/2)
+B8
UN
SW
BI601
CNS601
1
3
4
1
3
2
TUNER 
PACK 
UNIT
RTUNSA016AWZZ
1
2
3
4
5
6
7
8
9
10
11
+B4
NO USE
CNP303
CE
DI
CL
DO
CHASIS_GND
L_CH
+9V
R_CH
TUN_SM
FM_DET
CHASIS_GND
CD-MPX880H
4 – 2
Figure 4-2: MAIN BLOCK DIAGRAM (2/2)
Q905
-VF
VF2
VF1
Q801
Q841
+B2
-B1
+B1
-B2
+B5
+B3
+B8
25
R
L
+B8
RX701
REMOTE
SENSOR
D803,
D804
D802
D801
RL914
JKA702
HEADPHONES
M901
FAN
MOTOR 
M
Q906
Q712
7
IC901
STK412-410
POWER AMP.
F803
T2A L250V
VOLTAGE
REGULATOR
F804
T2A L250V
F801
T4A L250V
F802
T4A L250V
R-OUT 
L-OUT 
Q901~Q904,
Q906~Q909
D901~D906
CLK 
SO901
SPEAKER
TERMINAL
47
VLOAD 
RESET
+B8
+B8
+B8
VDD
AV
D
D
~
CE
DI
DO
XL701
8.388 MHz
~
AS
T2
AVDD
SW701-SW706
SW707-SW717
KEY 
TO CD
SECTION
IC701
IXA180AW
SYSTEM
MICROCOMPUTER
(1/2)
FL701
FL DISPLAY 
26
51
50
81
1 54515253 10 11
14
18
2
78
57
8
1 2
4 5
2
3
1
11
6
7
1
5
8
98
100
99
2
4
25
18
+B8
VDD
79
16 17
42
13
12
20 23 28 29 30 31
36
80
26
49
48
46 47
38
37
39
40
55
15 14
27
41
T.F.
PT801
MAIN POWER
TRANSFORMER
SYSTEM
MUTE
~
~
~
~
TAPE
MECHANISM
ASS'Y
RESET
SP DET.
SP RELAY
ON-OFF
F
AN MOT
OR
DRIVER
F805
T2A L250V
D846
C844
RL841
PT841
SUB POWER
TRANSFORMER
D842~
D845
RELAY
DRIVER
AC_RLY
IC854
KIA78L05
3
1
VOLTAGE
REGULATOR
+B8
UN
SW_5.6V
AC POWER
SUPPLY CORD
AC 220-240V ~ 50Hz
CD-MPX880H
4 – 3
[2] CD Block Diagrams
Figure 4-3: CD BLOCK DIAGRAM
18
 
19
68
52
51
74
78
75
76
8
7
6
5
21
37
26
20
40
32
24
25
22
23
54
55
56
77
71
67
57
73
72
49
48
47
46
45
44
43
PUIN
DRIVER
SPIN/SLIDE
FOCUS/TRACKING/ 
LA6261 
IC2 
VIN4
FWD6
VO6+
VO6-
VO5+
VO5-
REV6
VIN3
VIN2
PVCC1
SVCC
PVCC2
VCONT6
VCONT5
VIN1
REV5
REG IN
REG OUT
FWD5
IC1
LC78690E
CD SERVO
LCHO
RCHO
CONT1
CONT0
SLDO
SPDO
FDO
TDO
LDD 
LDS 
DIN
BIN
14
13
FIN
EIN
CIN
AIN
LR
VDD
XVDD
DVDD
DVDD
DVDD
36 41
AV
D
D
XIN 
XOUT
INTB1
INTB0
66
38
DVDD 1.8
DVDD 1.8
RESB
DO
DI
CL
CE
TO  DISPLAY  SECTION
TO  MAIN  SECTION 
CNP3
CNP7
M1
TRA
Y
 MOT
O
R
MGND 
PICKUP
  UNIT
 
IN
PICKUP
NSW 1 
+3.3V
MOTOR 
SPINDLE 
NM1
MOTOR 
SLED
NM2
COIL
TRACKING
FOCUS  COIL
16.9344 MHz 
XL1 
+7.5V 
DRIVER
LASER  
+3.3V 
CONSTANT
VOLTAGE 
+3.3V 
+3.3V 
Q1
R-CH
AGND
L-CH
D_+5V(+B5)  
+5V
GND
PHOT
O
MO_A-
CD_RES
MO_A+
CD_DI
CD_DO
CD_CLK
CD_CE
+ 
-
-
+7.5V 
7
27
28
24
21
9
17
15
13
11
23
22
32 33
31
34
30
19
20
26
8
10
4
5
6
Q2
Q3
3
36
35
2
1
7 
1 2 3  4 5 6 
10  
MP3_INT
11
CD_INT
12
TRA
Y
 SW1/SW2
GND
RX1
SW3 TRA
Y
 SW2
SW2 TRA
Y
 SW1
SW1 CLAMP
SW4 DISC
PHOT
O
5V
13
DISC/CLAMP
14
3 
1 9 
8 
7 
6 
5
2 4 
CNP4
10   11
3 
1 9 
8 
7 
6 
5
2 4 
53
M 
M2
MAIN CAM
 MOT
OR
+ 
M 
M
M
42
DGND
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