Sharp SM-SX1 (serv.man2) Service Manual ▷ View online
SM-SX1H
– 21 –
Figure 21 SCHEMATIC DIAGRAM (8/10)
7
8
9
10
11
12
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
1
10
11
12
13
14
9
8
7
6
6
5
4
4
3
2
1
R120
22K
12
4
8
3
11
7
13
10
9
6
2
10
11
12
13
9
8
7
6
5
4
3
2
1
5V(
µ
-COM)
B
A
µ
-COM GND
µ
-COM STB
µ
-COM CLK
µ
-COM DATA_OUT
µ
-COM DATA_IN
µ
-COM DATA_IN
µ
-COM GND
µ
-COM STB
µ
-COM DATA_OUT
µ
-COM CLK
GND(for 64fs)
GND(for DINL)
GND(for DINR)
64fs IN
NC
NC
SACD DINL
SACD DINR
NC
NC
NC
1G
B
1C3
1C2
1C1
1CO
1Y
GND
VDD
2G
A
2C3
2C2
2C1
2CO
2Y
10
10
11
11
12
12
9
9
8
8
7
7
6
6
5
5
NC
AUX RLY1(SACD)
AUX RLY3(LINE2)
AUX RLY2(LINE1)
5
SP RLY
4
4
3
3
2
2
1
1
NC
NC
+5V(
µ
-COM)
+24V
+12V(RLY)
DGND
SP RLY
PROTECT
PROTECT MID
NC
NC
NC
NC
FROM
1BIT AMP. PWB
P19 12-F
SP OUT R-CH
SP OUT L-CH
L+
L-
R+
R+
R-
L+
L-
R-
5
4
3
2
1
5
4
3
2
PROTECT MID
PROTECT
SP RLY
DGND
+5V(u-COM)
+12V(RLY)
+24V
7 6 5 4 3 2 1
7
6 5 4
3 2
1
7 6 5 4 3 2 1
CNP704
TO
MICROCOMPUTER
PWB
P22 5-E
A
B
C
D
6
1
6
SPEAKER RELAY PWB-A3
L201
L202
L203
L204
L205
L206
L207
BI201
TO
INPUT SOURCE PWB
TO
INPUT SOURCE PWB
TP82
TP81
TP80
TP79
TP78
TP77
TP76
C122
0.022
L123
100
µ
H
L122
100
µ
H
TP72
TP73
TP74
TP75
TP71
TP70
TP69
TP68
SPEAKER
TERMINAL
TERMINAL
TP61
TP62
TP63
TP64
TP65
TP66
TP67
TP43
TP42
TP41
TP40
TP39
TP38
TP37
TP35
TP34
TP33
TP32
TP30
TP29
TP28
TP27
TP26
TP25
TP24
TP23
TP22
TP21
IC102
74HC153AF
INVERTER
BI101
SOC101
CNP103
L120
R124
220K
C121
0.1
R123
2.7K
R121
22K
C120
0.1
L121
R122
56K
R126
330
R208
1K
Q203
2SC2412KR
Q204
2SC2412KR
R209
2.7K
2.7K
R202
10K
R216
10K
C203
33/35
Q206
2SC2412KR
R212
15K
R214
15K
R211
10K
Q205
2SC2412KR
C202
33/35
R210
15K
D201
DAN202K
RLY202
D204
DAN202K
RLY201
D203
DN202K
DN202K
Q201
2SC2412KR
R204
2.2K
R203
10K
R205
100K
100K
Q202
2SA1037KR
R215
15K
Q207
2SC2412KR
Q208
2SC2412KR
R213
4.7K
R201
4.7K
D202
DAN202K
R206
1K
R207
100K
100K
1
IC103
TC74HCU04F
AMP.
TC74HCU04F
AMP.
CNS704
CNS103
+B
+B
+B
+B
+B
+B
SOC101
1BIT TERMINAL
1BIT TERMINAL
SM-SX1H
– 22 –
Figure 22 SCHEMATIC DIAGRAM (9/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
2
3
4
5
6
7
8
1
AUX3
(LINE2)
AUX2
(LINE1)
AUX1
(SACD)
DIG4
(TOS)
DIG1
(ST)
SELECT SWITCH PWB-A7
8
5
4
2
3
NC
NC
NC
NC
SEGMENT PWB-A5
10
11
12
9
FROM
INPUT
SOURCE
PWB
P21 9-E
5V(u-COM)
DIG_B
DIG_A
AUX3
AUX2
SP_RLY
IC_STB
D.GND
IC_CLK
DATA_OUT
DATA_IN
AUX1
MICROCOMPUTER
1
2
2
3
4
5
6
6
7
8
1
2
3
4
1
2
3
4
NC
POWER PWB-A9
(BROWN)
(BLUE)
TO
MAIN PWB
P15 11-H
1
2
3
4
5
6
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
7
OUTPUT –22V
OUTPUT +22V
5
4
3
1
2
1
2
3
4
1
2
3
4
1
2
NC
NC
NC
AC INPUT FILTER PWB-A6
8
+B
+B
TP971
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2
1
CNS501
CORE1
SOC501
AC SOCKET
AC230V
50Hz
TO
MAIN PWB
P15 12-H
Put The
Plastic Inner Tube.
TP976
TP977
TP975
TP974
TP973
TP972
TP970
TP969
TP968
TP967
TP968
TP969
TP970
LED904 PX1124AF
LED901 PX1124AF
LED900 PX1124AF
LED902 LNG91LCF
LED903 LNG91LCF
R904 100
R901 100
R900 100
R902 100
R903 100
R913 100
R910 100
R909 100
R911 100
R912 100
R975 3.6k
R905
3.9K
R906
5.6K
R907
12K
R908
39K
CNP900
SW900
DIGITAL 1
SW901
DIGITAL 4
SW902
SACD
SW903
LINE 1
SW904
LINE 2
CNP503
CNP502
TP963
TP963
C531
220P
TP958
TP957
TP959
TP961
TP960
CMP501
1
2
1
3
2
4
1
3
2
4
2
C503
0.0022
R501
390K
C530
470P
C502
0.33
L501
5mH
L502
220
µ
H
C501
0.33
CNP904
SW501
POWER
TP41
TP42
TP43
TP44
TP45
TP46
TP47
TP48
TP49
TP50
TP51
TP52
TP8
TP7
TP6
TP5
TP4
TP3
TP2
TP1
LED90
GL9BC
BI900
CNS900
CNWS502
CNWS503
CNP302C
CNP302B
CNS904
CNWS505
CNWS504
UNT502
UNT501
AC/DC CONVERTER
AC/DC CONVERTER
F501
T3.15A L 250V
1
When Servicing, pay attention as the
area enclosed by this line ( ) is
directly connected with AC main voltage.
area enclosed by this line ( ) is
directly connected with AC main voltage.
SM-SX1H
– 23 –
Figure 23 SCHEMATIC DIAGRAM (10/10)
7
8
9
10
11
12
10
6
7
9
1
8
5
4
2
3
NC
NC
NC
NC
NC
NC
NC
NT PWB-A5
18
17
16
15
14
13
12
11
10
2
1
3
4
5
6
7
8
9
NC
NC
NC
EN
RST
GND
GND
GND
SOUT
CK
LATCH
SIN
Q1
Q2
Q3
Q3
Q4
Q5
Q6
Q7
Q8
VDD
6
7
9
NC
NC
EN
RST
GND
GND
GND
SOUT
CK
LATCH
SIN
Q6
Q8
Q7
Q4
Q2
Q1
Q3
Q5
VDD
10
6
7
9
1
8
5
4
2
3
NC
NC
10 11 12 13 14 15 16 17 18
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
Q6
Q8
Q7
EN
RST
GND
GND
GND
Q4
SOUT
CK
LATCH
SIN
Q2
Q1
Q3
Q5
VDD
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TO
MAIN PWB
P14 1-G
+5V
GND
LED GND
IC_RESET
DIG/ANA
POWER
LMUTE
PROTECT
YOBI OUT
P_I
10
11
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
1
2
3
3
4
5
TO
DIGITAL PWB
P16 2-H
DIG_C
DDATA
DCLK
DLATCH
MUTE
23
24
25
26
27
28
29
30
31
32
33
NC
34
35
36
37
38
39
40
41
42
43
44
AUX2
AUX1
AMP DIG
AMP ANA
DIG_C
RESET
SP_RLY
POWER
LMUTE
YOBI OUT
DCLK
DLATCH
DDATA
PROTECT
P_IN
IC_STB
DIG_B
DIG_A
MUTE
AUX3
12 13 14 15 16 17 18 19 20 21 22
AMUTE
IC_RESET
SCLK
SLATCH
SDATA
NC
VSS
OSC1
OSC2
VDD
NC
4
5
2 1
3
NC
10
11
9
1
2
3
3
4
5
6
6
7
8
8
KEYC
KEYB
KEYA
VOL DIS
KEY
IC-CLK
DATA_OUT
DATA_IN
23
CL_CONT
OMPUTER PWB-A8
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
8 7 6 5 4 3 2 1
10 11 12 13 14 15 16 17 18
10
1
8
5
4
2
3
CNS903
CNS902
R950
1K
R946
1K
CNP902
CNP903
IC908
PST9119
RESET
C901
10/16
R923
10K
D900
DAN202K
X900
8.0MHz
CNP901
R929 1K
R926 1K
R925 1K
R918 1K
R919 1K
R920 1K
R921
1K
R922
1K
R955
1K
R956 1K
R957 1K
R958 1K
R951 1K
R952 1K
R953 1K
R954 1K
R947 1K
R943 1K
R940 1K
R937 1K
IC907
IX2845AF
SYSTEM
MICROCOMPUTER
R936
1K
C905 220P
C906 220P
C907 220P
L900
22
µ
H
C903
10/16
C902
0.1
R917
1K
R914
10K
R973
1K
R974
1K
TP24
TP23
TP22
TP21
TP20
TP19
TP18
TP17
TP25
TP26
TP27
TP28
TP29
TP30
TP31
TP32
TP33
TP34
TP35
TP36
TP37
TP38
TP39
TP40
TP54
TP53
TP55
TP57
TP56
TP16
TP15
TP14
TP13
TP12
TP11
TP10
TP9
C900
0.1
IC903
BU2114F
LED DRIVER
BI901
CNS901
C909
47/10
R971 68
R969 68
R967 68
R965 68
R963 68
R961 68
R959 68
R972 68
R970 68
R968 68
R966 68
R964 68
R962 68
R960 68
R944 68
R941 68
R938 68
R934 68
R932 68
R930 68
R927 68
R945 68
R948 68
R949 68
R942 68
R939 68
R935 68
R933 68
R931 68
R928 68
R915
68
LED907
GL9BC030
C908
0.1
LED905
GL9BC030
LED906
GL9BC030
IC905
BU2114F
LED DRIVER
IC904
BU2114F
LED DRIVER
R916
68
NC
NC
COR901
R924 1K
C904
0.1
SM-SX1H
– 24 –
Figure 24 WIRING SIDE OF P.W.BOARD (1/8)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
CK17
CK51
R327
CK40
R315
C311
CK42
D326
D327
CK22
CK24
CK36
R399
R398
CK21
CK29
CK25
CK16
CK11
CK10
CK15
CK9
CK1
CK5
CK4
CK3
CK6 CK8
CK7
CK14
CK13
CK12
CK23
CK20
CK31
CK30
CK28
CK27
CK26
R355
C343
C337
R346
C340
R383
R344
R342
R382
R343
R345
CK37
CK50
CK38
C321
R340
D328
C322
CK48
R320
CK49
CK47
CK46
D315
D310
D311
D312
C327
R310
C328
R311
C305
R312
R313
IC301
R330
R331
C332
R329
IC306
R319
R316
CK45
CK43
R328
D307
C307
D308
Q305
C312
D305
R318
C310
CK44
Q303
R308
C303
CK19
R309
CK41
D303
CK39
C302
CK54
R323
R326
CK55
CK53
R325
R324
CK52
R317
R314
D313 D314
D320 D321
R347
D323
R353
Q311
R356
R365
R364
R305
D302
R306
D301
Q301
Q302
R301
R303
R304
C301
C301
R302
R339 R338
R332
R337
R336
D316
CK33
CK34
CK32
D317
Q310
R354
R352
CK18
CK35
CK2
3
2
1
2
1
CNP302
R307
ZD304
CNP306
D304
L303
R390
L301
CNP305
CNP304
CNP303
BI302
RLY301
RLY302
Q323
Q321
Q324
Q322
C335
Q325
Q327
Q328
Q326
C336
C316
C323
C317
C351
C352
C324
ZD303
L302
Q307
R397
R396
IC304
IC305
C344
C325
C326
C304
Q304
C315
ZD302
Q306
R391
D324
IC302
Q309
R392
C331
D325
C306
C314
C309
C313
D306
R393
ZD301
THY301
C308
IC303
RLY303
C318
C319
BI301
C334
C333
1
2
3
4
3
2
1
2
1
3
2
1
2
1
3 2 1
1
2
3
4
5
9
7
8
6
2
3
4
5
9
7
8
6
E C B
E
C
B
5
4
3
2
1
4
3
2
1
11
1
1
2
3
4
2
3
4
1
2
3
4
5
6
2
3
4
5
6
16
1
E C B
E C B
MAIN VOLUME
P28 6 - C
CNSA4
CNWAM3
CNWAM1
CNWAM2
CNP902
TO 1 BIT AMP.
PWB
TO 1 BIT AMP.
PWB
TO 1 BIT AMP.
PWB
TO 1 BIT AMP.
PWB
CNP801
CNS801
P26 1 - C
TO DIGITAL PWB
TO
MICROCOMPUTER
PWB
CNS902
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
RD
WH
WH
WH
WH
WH
WH
WH
WH
PK
BK
BK
GY
GY
PK
WH
WH
WH
RD
MAIN PWB-A1 (TOP)
16151413121110 9 8 7 6 5 4 3 2 1
3
2
1
2
1
3
2
1
CNS302C
CNS302A
CNS302B
8
7
6
5
4
3
2
1
7
6
5
4
3
2
1
6
5
4
3
2
1
5
4
3
2
1
UNT1
CNWS504
WH
WH
WH
WH
WH
WH
WH
WH
PK
BK
BK
PK
WH
WH
WH
RD
P28 6 - C
P24 4 - H
P28 6 - A
P28 6 - A
11
10
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
COR901
VOL301
TO POWER
PWB
P30 5-A
1
2
3
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