Sharp SD-EX220 (serv.man2) Service Manual ▷ View online
SD-EX220H
6 – 13
KRC102 M
304BC2E9
150
330
A503BC2E
0.01
1K
0.001
0.01
27
27
0.01
0.01
10K
47K
10K
100P
100P
100P
100P(CH)
4.7K
4.7K
4.7K
1K
1K
1K
1K
1K
220K
2.2
µ
H
10/16
18
GP1UM271 2
1
0.022
150P(CH)
22
1K
1K
DS1SS133
4.7/50
0.1
KRC104 M
0.01
150
150
470/10
KRC104 M
680
100P
(CH)
(CH)
100K
10K
1/50
1K
2
1
DS1SS133
DS1SS133
270
0.022
1K
100/16
1K
1K
18P(CH)
0.022
1.2K
1K
1K
1K
1K
12P(CH)
820
1K
1
.8K
100P
100K
1K
4.7K
304VT2E2
1K
1K
1K
47K
270
K
FL DISPLY
557AW
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
2.2K
270
10/16
PST9140
RESET
2
1
3
0.01
3
66 65 64 63 62
51
52
53
54
55
56
57
58
59
60
61
16 17 18 19 20 21 22
23
24
30
29
28
27
26
25
3
1/50
0.047
0.047
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
45
44
43
42
41
40
CHASSIS_GND
H/P_SW
SP_RELAY
TUN_CE
TUN_DI
TUN_CLK
TUN_DO
SURROUND
S_MUTE
H/P_R_OUT
A_GND(SPARE)
H/P_L_OUT
FAN_LOCK
FAN_MOTOR
TUN_SM
RDS_RST
PROTECT
D+5V(SWD)
D_GND
RDS_DATA
RDS_RDY
RDS_CLK
A/D_RESET
OFFSET
LID_SENS
CD_CE
CD_CLK
CD_DI
CD_DO
CD_WRQ
CD_RES
CD_DRF
DIG_FUNC
A/D_RESET
DIG_FUNC
RESET
PWR_LEV_1
PWR_LEV_2
CD_RES
CD_CE
OFFSET
TUN_DI
TUN_CLK
TUN_CE
TUN_DO
H/P_R_OUT
H/P_L_OUT
H/P_SW
CD_DI
S_21
S_20
CD_DRF
S
_
9
CD_CLK
S_3
S_4
D_6
D_7
D_8
D_9
RESET
KEY2
S_23
CD_DO
KEY3
SP_RELAY
S_22
S_5
S_6
S_7
S_8
S_1
S_2
S_24
CD_WRQ
S_18
S_17
D_1
D_2
D_3
S_16
S_15
S
_
14
S_19
D_4
D_5
YSTEM
COMPUTER
DT CONT
40V RELAY
DT CONT
+7.9V
NC
NC
NC
NC
F+
F+
P9
P8
P7
P6
P5
P4
P3
P2
P1
9G
8G
7G
6G
5G
4G
3G
2G
1G
NP
NP
HEADPHONE PWB-B2
GND
L
R
R
SEG
2
3
O
E(FLASH)
CD CE SDA(FLASH)
-B
CONT
VSS(FLASH)
CNVSS
V
PP(FLASH)
VCC(FLASH)
SEG24
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
DO
DI
CLK
CE
POWER
RX_IN
CD_DO
4.19
MHz
OFFSET
CD RES
TREBLE
P_IN
CD_CLK
CD_DI
A/D_RESET
DIG_FUNC
CD_FUNC
SP
RELAY
TIMER_STBY
ON/STAND-BY
OPEN/CLOSE
X_IN
X_OUT
RESET
CD DRF
CD WRQ
G UP
POINT
RESET
4
5
1
3
34
33
32
30
31
3
2
1
7
6
5
4
17
16
15
14
21
20
19
18
25
24
23
22
29
28
27
26
13
12
11
10
9
8
6
3
4
1
2
5
3
4
1
2
5
AN78L05
VOLTAGE
REGULATOR
CNP501
6-1
0
4-H
TO
MAIN
P
WB
DISPLAY PWB-B1
1
1
2
3
3
2
1
34
REMOTE
SENSOR
SENSOR
1
2
3
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
RESET
RESET
+B
SWITCHING
FL601
Q607
LED602
R761
IC780
D780
D781
C780
C781
C782
LED604
R762
C620
R743
R785
R783
R779
R778
R777
BI602
CNS602
CNP602
C634
C640
JHP601
HEADPHONES
R648
R649
C632
C633
R772
C614
C617
C616
C615
R647
R646
R645
R639
R641
R644
R643
R642
C701
R620
R619
R618
R616
R739
LED601
R627
C608
C607
C609
C605
R623
XL601
C637
L601
R630
R628
RM601
C611
C612
C613
R659
R670
C786
C636
R741
CNP601
R638
R731
Q606
Q608
IC608
R717
C604
R673
8
11
R724
R723
SW609
SW610
R776
R775
C630
C627
C629
R729
R730
C628
D605
C638
C639
R631
R634
R635
R637
R636
R632
R633
R671
FFC501
FM SIGNAL
7
8
9
10
11
12
SD-EX220H
6 – 14
KIA78L05
VOLTAGE
REGULATOR
3
1
DS1SS133
0.047
1K
1000/25
DS1SS133
1K
KIA7809AP
VOLTAGE
REGULATOR
3
1
100/63
100
DZ27BSA
47/50
22K
0.01
6.8K
10K
DZ3.6BSA
AK09
HZ3ALL
D1NL20U
EK19
KTC3199 GR
100K
47/50
220/25
4.7K
4.7K
KTA1023 Y
1000/25
EK19
AG01Z
2200/50
0.0047
D930
FMLG12S
0.0022
680
0.047
2.7K
3.9K
SE-B2
ERROR
AMP.
2
220P
(CH)
(CH)
56K
470
0.047
1/50
0.047
10
3.3 µH
1000/25
AG01Z
3.3/50
2200/50
1/50
3
1
2
2
PWR_GND
+40V
+40V
PWR_GND
A_Ð20V
A_+5V
-VF2
-VP
DRIVER_+9V
P_GND
+B_CHK
-VF1
PROTECT
A_GND_AD
D_+5V
D_GND_AD
POWER
CHASSIS
GND
GND
A_+20V
A_+20V
40V RELAY
P_GND
VOL_A_GND
CD_A_GND
+/-9V REG GND
CD_D_GND
D5.6V (UNSW)
SUB TRAN +B
D_GND (UCOM)
(UCOM)
D_GND
(ML)
(ML)
(ML)
(ML)
CHASSIS GND
11
10
2
7
8
1
3
2
3
2
4
1
4
1
1
2
3
4
1
2
3
4
1
11
10
9
8
7
6
5
4
3
3
1
10
9
8
7
6
5
4
3
2
2
1
9
6
5
4
3
2
3
5
4
CNS601
6-1
2
1-G
FROM
DISPLAY
PWB
CNP532
6-1
1
7-H
TO
MAIN
PWB
CNA100
6-1
6
1-F
TO
1-BIT
AMP.
PWB
CNSA104
6-1
7
1
2-G
FROM
1-BIT
AMP.
PEB
0.0022
0.0022
0.0022
0.5
Posistor
1.8
Posistor
1.6
Posistor
1.6
Posistor
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
+B
+B
+B
+B
+
SWITCHING
VOLTAGE
REGULATOR
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
CNP931
R971
D944
C971
PC902
PC901
R930
R973
Q933
R975
R974
PS934
ZD931
Q931
R962
LUG904
C948
R964
ZD932
C949
R985
C980
C950
R983
R963
PS935
D908
C984
C981
C985
D942
C941
D939
PS931
BI932
CNS932
PS932
D938
C932
C930
R931
IC931
C939
R933
C940
CNP934
C938
D947
R980
IC933
R932
C954
C953
C955
L931
C983
D937
T901
MAIN POWER
TRANSFORMER
IC934
D957
C958
C957
C956
BI900
CNSA100
LUG901
ZD933
C951
C942
R970
A
B
C
D
E
F
G
H
1
2
3
4
5
6
SD-EX220H
6 – 15
GD1N4004
GD1N4004
GD1N4004
GD1N4004
470/25
3.3K
150K
1.5K
0.0022
STRF6267
5
4
2
1
150K
150K
0.0022
0.0022
150K
150K
SARS03
2
D5SB60
0.0022
4.7M
0.01
0.01
390K(1/2W)
0.001
0.001
220K
KTA1266 GR
10K
68K
0.15
220P
0.0047
(ML)
4.7/50
0.27
0.68
33/35
AG01Z
0.0015
AG01Z
AG01Z
220
0.01
10
0.047
0.047
7K
10V471K
1
3
3
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(2W)
(ML)
(ML)
CHASSIS GND
(2W)
(2W)
(2W)
FB/SYNC
Drain
0.1
0.1
T3.15A L 250V
(1/2W)
SYNC
OCP
GND
Vin
3300
3
2
3
2
4
1
4
1
180/400
680P
POWER PWB-A2
1
2
1
2
AC POWER SUPPLY CORD
AC 230 V, 50 Hz
AC LINE
FILTER
AC LINE
FILTER
SWITCHING
REGULATOR
When Servicing, pay attention as the
area enclosed by this line (
area enclosed by this line (
) is
directly connected with AC main voltage.
+B
SWITCHING
0.0022
D953
D951
D952
D950
C967
C966
C965
T903
SUB POWER TRANSFORMER
LUG903
PC902
PC901
30
R910
R914
R915
R916
C918
C919
D905
D906
Q902
IC901
R919
R902
R907
C916
C917
R908
R909
C920
D907
R918
C921
L905
R917
C915
C902
C909
D901
C908
R904
R984
R905
R906
D902
C911
TH901
R903
C912
1
WER
RMER
RMER
C906
C907
C905
L901
C904
C903
L902
VA901
R901
F901
CNP901
CNS901
C901
C913
C914
LUG902
7
8
9
10
11
12
SD-EX220H
6 – 16
2SD601 AR
47K
0.1
10K
4.7K
MA111
0
1K
1K
1K
1K
0.1
33K
4.7K
5.6K
2.2K
5.6K
10K
6.8K
12K
1K
MA132WA
1/50
CA124
18P(CH)
18P(CH)
75K
75K
47/25
0.1
0.001
10/50
3.3K
20K
10/10
0.001
100P
(CH)
120K
4.7K (B)
120K
3.3K
0.001
120K
10/10
4.7K (B)
120K
10/50
20K
75K
75K
IX0498AW
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0.1
0.1
0.001
0.1
47/25
8.2K
8.2K
100/16
100/16
100/16
100/16
0.1
0.1
47/25
47/25
0.1
KRC104 S
10K
47K
1K
47K
2SB709 AR
100K
4
3
2
1
7
6
5
4
3
2
1
D+5V
AMP_VCC
D+5V
AGND_AD
DGND-AD
A+5V
RCH_1
LCH_1
COMPA
OFFSET
11.2896 MHz
A+5V
AGND_AD
DGND_AD
D+5V
L-CH_IN 1
AGND 1
CNS511
6
-
11
11
-
D
FROM
MAIN
PWB
CNSA100
6-1
4
1-G
FROM
POWER
P
WB
R-CH_IN 1
PROTECT
PROTECT
OFFSET
RESET
TEST
NFR1(+)
NFL2(-)
NFL1(+)
NFR2(-)
GNDA
L-CH Vref
R-CH Vref
R-CH IN
L-CH IN
RESET
VDA
VDDL
GNDD
OUTL(+)
OUTL(-)
OUTR(-)
OUTR(+)
VDDR
VDDX
XI
XO
GNDX
MCK
ANALOG IN R-CH
ANALOG IN L-CH
3
1
2
1-BIT AMP. PWB-C
R-CH OUTPUT
OFFSET
ADJUSTMENT
OFFSET
ADJUSTMENT
L-CH OUTPUT
OFFSET
ADJUSTMENT
OFFSET
ADJUSTMENT
IC100
7TH ORDER
∆Σ
MODULATION
CONVERSION LSI
1
2
3
+B
+B
+B
+B
+B
+B
+B
+B
+B
QA414~QA415: PROTECT DETECT
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
CNA101
RA101
RA100
RA102
RA103
CA101
RA109
RA105
VRA101
RA107
RA104
VRA100
RA106
CA100
RA108
CA110
CA103
CA105
CA104
CA102
RA156
RA158
ICA100
CXA100
CA123
CA134
CA137
CA138
RA126
RA122
CA14
CA152
CA150
CA154
RA127
CA135
RA159
CA131
CA130
CA132
RA155
RA157
CA133
CA199
RA123
RA434
RA438
RA437
RA436
RA435
RA433
RA432
RA431
CA151
CA149
CA14
CA153
QA415
CA416
RA480
QA416
QA414
CNA100
LFA402
LFA403
CA411
CA409
CA412
CA410
RA481
RA476
RA475
RA477
RA478
RA479
DA405
DA404
CA407
RA430
FM SIGNAL
1
4
3
2
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Click on the first or last page to see other SD-EX220 (serv.man2) service manuals if exist.