DOWNLOAD Sharp SD-EX200 (serv.man19) Service Manual ↓ Size: 3.32 MB | Pages: 64 in PDF or view online for FREE

Model
SD-EX200 (serv.man19)
Pages
64
Size
3.32 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
sd-ex200-sm19.pdf
Date
PREV: Sharp SD-EX200 (serv.man18) Service Manual

Sharp SD-EX200 (serv.man19) Service Manual ▷ View online

– 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
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 
L_CH
R_CH
JT501
AUX INPUT
L 
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
TO POWER
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
SD-EX200H
– 16 –
 Figure 16 BLOCK DIAGRAM (5/6)
R-CH OUTPUT
OFFSET
ADJUSTMENT
L-CH OUTPUT
OFFSET
ADJUSTMENT
24
23
22
21
20
17
16
15
14
11
10
9
8
7
6
5
4
3
2
1
CXA100
LFA402
LFA403
CNA100
DA404 
8
4
11
12
11
12
4
3
2
1
7
6
5
4
3
2
1
CNA101
TO MAIN SECTION
TO POWER SECTION
AMP_VCC 
A+5V
D+5V
D+5V
A+5V
QA400
QA416
QA414
QA415
RCH_1
LCH_1 
COMPA
OFFSET
11.2896 MHz
A+5V
AGND_AD
DGND_AD
D+5V
VCC
VKK
VKK VCC
L-CH_IN 1
AGND 1
R-CH_IN 1
PROTECT
PROTECT
OFFSET
RESET
NFR1(+) 
NFL2(—) 
NFL1(+) 
NFR2(—) 
GNDA
R-CH IN
L-CH IN
RESET
VDA
VDDL
GNDD
OUTL(+)
OUTL(—)
OUTR(—)
OUTR(+)
VDDR
VDDX
XI
XO
GNDX
ANALOG IN R-CH
ANALOG IN L-CH
3
2
1
V
V
ICA100
IX0498AW
7TH ORDER 
∆∑
MODULATION
CONVERSION LSI
PROTECT
DETECT
PROTECT
DETECT
PROTECT
DETECT
CURRENT
SENSOR
VRA101
VRA100
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