Sharp CD-SW340H Service Manual ▷ View online
CD-SW340H
3 – 6
MEMO
CD-SW340H
4 – 1
CHAPTER 4. DIAGRAMS
[1] Main Block Diagram
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
ATT
Q101~
Q104
Q107
Q108
Q108
Q607
REC/PLAY
CLK
CE
DI
+B4
L
L
R
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
Q712
Q703~
Q708
Q708
SWITCHING
Q109
BIAS
OSC
OSC
Q111
L103
L103
Q105
Q106
Q106
REC./P.B.
HEAD
TAPE 2
P.B. HEAD
TAPE 1
R-CH
L-CH
R-CH
L-CH
IC601
LC75341
AUDIO PROCESSOR
IC603
IXA043AW
SOUND
+B4
R
L
REC.
R
L
ALC
R REC.
L REC.
POP REDUCE
SWITCHING
L(T2)
R(T2)
R(T2)
R(T1)
L(T1)
21
24 23
24 23
4
24
2
1
18
11
16
3
15
10
9
7
23
14
12
13
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
HIGH
+B4
+B4
+B4
SYSTEM
MUTE
TAPE
MECHANISM
ASS'Y
MOTOR
DRIVER
DRIVER
SOLENOID
DRIVER
+B3
+B3
LED701
JOG701
VOLUME
IC701
IXA180AW
SYSTEM
MICROCOMPUTER
(2/2)
+B8
UN
SW
SW
BI601
CNS601
1
3
4
1
3
2
TUNER
PACK
UNIT
RTUNSA025AWZZ
PACK
UNIT
RTUNSA025AWZZ
15
14
13
12
11
10
9
Q609
8
7
6
5
4
3
2
1
CNP301
(15 PINS)
CD-SW340H
4 – 2
Figure 4-2: MAIN BLOCK DIAGRAM (2/2)
Q905
-VF
VF2
VF1
Q801
Q841
+B2
+B3
+B4
+B5
+B6
+B7
-B1
+B1
-B2
+B5
+B3
+B8
25
R
L
+B8
RX701
REMOTE
SENSOR
SENSOR
D803,
D804
D804
D811
D802
D801
RL914
JKA702
HEADPHONES
M901
FAN
MOTOR
M
Q910
Q712
IC901, IC902
STK412-410
POWER AMP.
F803
2A/125V
VOLTAGE
REGULATOR
F804
2A/125V
F801
5A/125V
F802
5A/125V
R-OUT
L-OUT
Q901~Q904
Q906~Q909
Q906~Q909
D901~D906
CLK
SO901
SPEAKER
TERMINAL
SPEAKER
TERMINAL
SO902
SUBWOOFER
TERMINAL
SUBWOOFER
TERMINAL
47
VLOAD
RESET
+B8
+B8
+B8
VDD
AV
D
D
~
CE
DI
DO
XL701
8.388 MHz
8.388 MHz
~
AVDD
SW701-SW706
SW707-SW717
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
A
N MOT
OR
DRIVER
F805
8A/125V
D846
C844
4700P/250
RL841
R890
4.7 Mohm
4.7 Mohm
PT841
SUB POWER
TRANSFORMER
D842~
D845
D845
RELAY
DRIVER
AC_RLY
IC854
KIA78L05
3
1
VOLTAGE
REGULATOR
IC807
KIA7812AP
IC808
KTC2026
3
3
C
E
VOLTAGE
REGULATOR
IC806
KIA7810AP
VOLTAGE
REGULATOR
+B8
UN
SW_5.6V
SW_5.6V
1
1
M+13V
A+10V
IC805
KIA7805AP
3
VOLTAGE
REGULATOR
1
SW5V
LD+8V
A5V
AC POWER
SUPPLY CORD
AC 120V ~ 60Hz
SUPPLY CORD
AC 120V ~ 60Hz
CD-SW340H
4 – 3
[2] CD Block Diagram
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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