Sharp SD-EX200 (serv.man12) Service Manual ▷ View online
SD-EX200H
– 12 –
Figure 12 BLOCK DIAGRAM (1/6)
+7.9V
Q84
DIGITAL OUT
CONTROL
LEVEL_CONT
TO 1-BIT AMP./
PROTECT CIRCUIT
SECTION
PROTECT CIRCUIT
SECTION
CNP501
TO DISPLAY SECTION
PROTECT
A/D_RESET
OFFSET PROTECT
TUN_SM
TUN_DO
TUN_CLK
TUN_DI
TUN_CE
TO TUNER UNIT
A_GND
TUN_CE
TUN_DI
TUN_CLK
TUN_DO
TUN_L
VCC_9V
TUN_R
TUN_SM
FM_DET
A_GND
ICT21
LC72723
RDS DECODER
+5V
+9V
QT21
MPXIN
VDDA
VDDD
RDS_DATA
RDS_CLK
RDS_RDY
RDS_RST
RD_RDY
RDCL
RDDA
RST
4.332 MHz
XT21
X_IN
X_OUT
DIG_FUNC
R
L
LOUT
A3.3V
ROUT
16MOUT
LRCK
BCK
DATA
L_C
TUNER
GP351TZ
IC4
DIGITAL OUT
VCONT
REV
FWD
VO5—
VO5+
VO3—
VO3+
VO4—
VO4+
FD0
TDO
+5V
VDD
VVDD
MUTING
Q82
Q2
+7.9V
LID_SENS
VDD5
CONT5
SLDO
SPDO
TIN2
TIN1
FIN2
FIN1
RVDD
XVDD
—
OUT2
OUT1
VCC
IC2
LA6574H
FOCUS/
TRACKING/
DRIVER
SW4
PICKUP IN
M
M
M801
SLED
MOTOR
M802
SPINDLE
MOTOR
IC1
LC78646E
CD SERVO
+3.3V
SPIN/SLED
REG
IN
IN
IC3
LM358D
OP-AMP.
VCC
DATA
BCK
LRCK
16MOUT
CONT3
CONT2
VCONT
FD0
TD0
TD0
VREF
LDD
PD
ADAVDD
LVDD
RFVDD
XOUT
XIN
XL1
16.9344 MHz
Q1
LASER DRIVER
+3.3V
M
—
+
Q3
CONSTANT
VOLTAGE
VOLTAGE
VREF
—
+
+
IC101
CS4340KS
DAC IC
FOCUS COIL
TRACKING COIL
PICK UP UNIT
CD_WRQ
CD_DRF
CD_CE
CD_DO
CD_DI
CD_CLK
CD RES
CE
CLK
DI
DO
WRQ
RES
DRF
1
65
8
19
14
11
26
66
37
8
40
43
44
18
33
32
34
31
25
24
23
22
10
24
9
79
49
3
4
20
19
18
51
12
1
6
4
5
22
23
20
7
61
7 6
41
64
39
3
69
2 3 4
2
5
4
3
6
71
50
7
10
3
11
27
2
3
67
48
57
68
54
8
26
75
46
47
19
5
13
14
16
15
4
14
30
21
29
13
60
15
1 7
28
11
22
56
2
1
59
2
1
80
63
21
11
5
2
8 9
11
21
25
28
15
12
12
8
9
9
8
10
70
62
38
77
55
28
27
26
58
1
2
4
3
72
10
1 7
5
M1
CD DOOR
MOTOR
+7.9V
– 13 –
SD-EX200H
Figure 13 BLOCK DIAGRAM (2/6)
CNPS01
BIS01
CNS531
CNPS02
ZD402
ZD400
ZD401
TO MAIN SECTION
TO MAIN SECTION
MUTING
Q544
Q543
SP_RELAY
AD_RESET
OFFSET_PROTECT
OFFSET_COMPA
D+5V
QS01
QS08
QS07
QS06
QS02
QS03
QS04
QS05
QS10
QS14
QS14
QS12
QS11
TO 1-BIT AMP. SECTION
SO421
SPEAKER
TERMINAL
FAN_LOCK
FAN_MOTOR
Q422
Q421
Q423
+
—
M
Q424
TO PROTECT CIRCUIT SECTION
+12V
—9V
+9V
—9V
A_—20V
+5.1V
+3.3V
A_+20V
+7.9V
+9V
IC400
KIA7812AP
VOLTAGE
REGULATOR
IC402
KIA7808AP
VOLTAGE
REGULATOR
IC401
KIA7809AP
VOLTAGE
REGULATOR
Q551
Q552
Q552
CNP501
TO DISPLAY SECTION
S_MUTE
SURROUND
SP_RELAY
H/P_R_OUT
H/P_L_OUT
NIT
TUN_CE
TUN_DI
TUN_CLK
TUN_DO
IC501
LC75341M
AUDIO PROCESSOR
VDD BASS
L_CH
R_CH
—VCC
+VCC
Q536
Q535
Q538
Q545
Q546
Q539
Q540
Q547
Q548
MUTING
HEADPHONE
SURROUND
ON/OFF
SYSTEM
MUTE
R_CH
L_CH
MUTING
SURROUND
SURROUND
ON/OFF
GND
L
R
R
L_CH
R_CH
JT501
AUX INPUT
L
R
R
AUX
TUN_L
TUNER
TUN_R
R
L
CD
IC502
NJM4565M
BUFFER AMP.
+9V
DI CECLK
23
12
6
7
11
24
13
5
4
10
9
16
1
3
8
7
17
14
2
1
21
4
15
6
2
13
3
15
20
5
8 9
11
10
6
5
4
3
2
1
1
2
3
4
1
2
3
4
1
2
3
4
3
1
1
1
3
3
2
2
2
+
+
—
—
RL421
BASS
CONTROL
SWITCHING
SWITCHING
A/D RESET
SWITCHING
OFFSET
SWITCHING
OFFSET
SWITCHING
A/D RESET
SWITCHING
A/D RESET
SWITCHING
CURRENT
DETECT
CURRENT
DETECT
CURRENT
DETECT
CURRENT
DETECT
SWITCHING
FAN
SWITCHING
FAN
SWITCHING
FAN
SWITCHING
RELAY
SWITCHING
M401
FAN MOTOR
TO 1-BIT AMP.
SECTION
SD-EX200H
– 14 –
Figure 14 BLOCK DIAGRAM (3/6)
LED602
LED604
+7.9V
+
5V
Q607
ILU_LED
IC608
PST9140
RESET
+5V(VREF)
RESET
Q608
HP_SW
RDS_RDY
RDS_CLK
RDS_DATA
RDS_RST
X_OUT
X_IN
LID SENS
+5V
+5V
VREF
VCC
SECTION
TO MAIN
S_MUTE
RESET
+5V
RX_IN
RM601
GP1UM271
PROTECT
SP_RELAY
POWER
A/D_RESET
P_IN
OFFSET
TO MAIN
SECTION
TO CD
CD_RES
CD_CLK
CD_DI
CD_CE/FLASH
CD_DO
CD_DRF
CD_WRQ
JHP601
HEADPHONES
SECTION
TO MAIN
HP_SW
SECTION
MAIN/TUNER
TUN_DO
TUN_DI
TUN_CLK
TUN_CE
O/C_SW
KEY3
KEY2
KEY1
TUN_SM
SURROUND
VSS
AVSS
4.19 MHz
XL601
-
VF2
-VP
VF1
Q606
-
KEY
SECTION
IC701
IX0557AW
SYSTEM
MICROCOMPUTER
FL DISPLAY
FL601
-
-
96
30
31
3
2
1
1
2
3
6
20
28
19
3
9
8
2
1
100
15
95
90
91
92
93
28
5
56
89
41
34
45
44
7
88
24
98
81
18
40
41
42
43
97
21
32
38 37 36
33
34
35
39
23
22
80
2
1
1
2
TO POWER
SECTION
SECTION
TO POWER
SECTION
SECTION
TO POWER
SECTION
IC780
AN78L05
VOLTAGE
REGULATOR
SW601,602,608,615
SW604,606,607
SW609-SW612
SWITCHING
SW771
CD DOOR
OPEN/CLOSE
D781
– 15 –
SD-EX200H
Figure 15 BLOCK DIAGRAM (4/6)
D938
D908
D942
D937
D930
ZD933
IC931
SE-B2
2
IC933
KIA7809AP
3
1
IC934
KIA78L05
3
1
D944
D939
B1900
PC902
BI932
D901
IC901
STRF6267
5
2
1
D902
T903
SUB POWER TRANSFORMER
D950
D953
D951
D952
L902
AC LINE
FILTER
AC POWER
SUPPLY CORD
L901
AC LINE
FILTER
F901
CNP901
CNS901
T901
MAIN POWER TRANSFORMER
CNP934
ZD931
CNP931
PC901
2
2
1
3
3
4
1
3
POWER
+B_CHK
Q931
-VP
-VF1
-VF2
Q933
+40V
+40V
DRIVER_+9V
A_–20V
VOLTAGE
REGULATOR
A_+5V
D_+5V
AMP.
ERROR
REGULATOR
VOLTAGE
SWITCHING REGULATOR
Q902
A_+20V
A_+20V
D5.6V (UNSW)
SUB TRAN +B
TO DISPLAY SECTION
TO 1-BIT AMP. SECTION
TO 11BIT AMP. SECTION
TO MAIN SECTION
FB/SYNC
Drain
T3.15A L 250V
SYNC
OCP
GND
Vin
1
4
3
2
1
3
2
4
1
3
2
4
1
8
7
6
5
4
2
9
10
2
3
4
5
6
7
8
9
10
3
5
4
2
11
AC 230V, 50 Hz
1
2
1
2
SWITCHING
VOLTAGE
REGULATOR
SWITCHING
Display