DOWNLOAD Sharp SM-SX1 (serv.man2) Service Manual ↓ Size: 3.11 MB | Pages: 56 in PDF or view online for FREE

Model
SM-SX1 (serv.man2)
Pages
56
Size
3.11 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / (including circuit diagrams and s)
File
sm-sx1-sm2.pdf
Date
PREV: Sharp SM-SX1 User Manual / Operation Manual

Sharp SM-SX1 (serv.man2) Service Manual ▷ View online

SM-SX1H
– 13 –
 Figure 13 BLOCK DIAGRAM (2/2)
ICA4~ICA7
FET DRIVER
HIP2100
1
1
3
6
1
3
1
3
2
17
14
15
22
23
6
5
2
3
20
1
4
13
10
3
6
5
6
3
8
8
11
IC651
Q651,Q652
Q653,Q654
2
OG
ANALOG AMP.
Q313~Q328
IC308
IC302,IC303,
D304~D308,
Q305~Q307
1BIT UNIT SECTION
VRA1~VRA4
DIGITAL INPUT
ANALOG 
INPUT
SWITCHING
LOGIC CIRCUIT
Q203
Q204
RLY201
RLY202
N
Q801
Q802
Q803
L
R
Q311
IC307
NJM4558M
MOTO
DRIVER
Q303
RLY303
R307
+22
G
1bit
+22V
1bit
-12V
1bit
-22V
IC301
NJM431U
REGULATOR
-22V
UNIT501
AC/DC
CONVERTER
UNIT502
AC/DC
CONVERTER
IC302
DC/DC
CONVERTER
TZ0775AF
IC306
NJM431U
Q306
Q307
IC303
NJM78M05
+12V
1bit
Dig+5V
Ana+5V
+5V
(Digital)
RELAY/SW/
µ
COM
+5V
OPE AMP. +10V
IC304
NJM78M12
+10V
IC304
NJM78M12
SW501
POWER 
LINE
FILTER
F501
T3.15A L
250V
SOC501
AC INLET
AC 230V, 50Hz
ANALOG
ICA2
NAND GATE
74AC00F
ICA3
AND GATE
TAC08F
QA1~QA8
LEVEL SHIFT
QA9,QA10
POWER
SWITCHING
LPF
Netwark
ICA1
7TH ORDER       
MODULATION
CONVERSION
LSI
IX2815AF
FEEDBACK CIRCUIT
FEEDBACK LEVEL
ADJUSTMENT
PROTECT
OFFSET 
DETECTION
SPEAKER
TERMINAL
SM-SX1H
– 14 –
Figure 14 SCHEMATIC DIAGRAM (1/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
NC
10
9 
8 
7 
4 
3 
2 
1 
NC
10
9 
8 
7 
4 
3 
2 
1 
9
10
11
12
13
14
15
8
7
6
5
4
3
2
1
P18  1-C
TO  1BIT AMP.
PWB
AGND
AGND
AGND
A  L 
D  R+
D  R–
D  L–
D  L+
6
5
4
3
2
1
2
1
NC
NC
S 
S 
S 
S 
D 
D 
7 
6 
5 
4 
3 
2 
1 
7 
6 
5 
4 
3 
2
1 
8
7
6
5
3
2
1
– 
+ 
+ 
–
4
Q324
2SJ109BL
NC
NC
S 
S 
D 
D 
S
S
S
S
D
D
D
D
7 
6 
5 
4 
3 
2 
1 
7
6 
5 
4 
3 
2 
1
TO  DIGITAL  PWB
P17  12-E
TO
MICROCOMPUTER
PWB
P23  12-E
DGND
GND(
µ
-COM)
GND(
µ
-COM)
L  MUTE
YOBI
P-IN
PROTECT
POWER
DIG/ANA
IC-RESET
LED  GND
5V(
µ
-COM)
VOL  COMN
+24V
PROTECT
PROTECT  MID
DIG/ANA
12V
5VD
D  R+
D  R–
DGND
D  L–
D  L+
AGND
–10V
+10V
8
7
6
5
4
3
2
1
– 
–
+ 
+ 
D 
D 
DGND
+B
+B
+B
+B
+B
+B
-B
-B
+B
+B
-B
-B
-B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
9
10
11
8
7
6
5
4
3
2
1
9
10
11
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
CNWAM2A
P18
TO  1B
PW
CNWA
C333
100/16
R399
100K
R398
100K
TP66
TP65
TP64
TP63
TP62
TP61
TP60
TP59
TP58
TP111 
TP110 
TP108 
TP107 
TP106 
TP105 
TP102 
TP101 
TP99
TP97
TP96
TP95
TP94
TP93
TP92
TP91
TP89
TP88
TP87
TP86
TP85
TP84
TP82
TP81
TP80
RLY301
C352
10/25
R305
27K
R306
27K
C346 47P
R376 15K
R301
1K
C354
0.0047
BI302 
R371
820
R373 1M
C341 0.01
R303 2.7K
CNP303
D301
DAN202K
Q301
2SC2412KR
C35
0.004
C347
0.0047
R341
10
C345
47P
Q
2SA
R345
4.7K
R348
82K
C348
0.0047 
Q31
2SA103
D302
DAN202K
CNP304
IC307 
NJM4558M
MOTOR DRIVE
C337
0.01
C340
0.01
D323
DAN202K
R347
4.7K 
R346
4.7K
D318
DAN202K 
D319
DAN202K
D317
DAN202K 
D316
DAN202K 
C334 100/16
R357
2.2K
C350
220P
C351
10/25
R369 270
R339
150
R338
120
R336
120
R337
150
Q321
2SK389BL
Q317
2SC2412KR 
R302 100K
C349
220P
R
1
R340
10
R361
100
R349
82K
Q320
2SC2412KR
Q328
2SJ74BL 
C342
0.01
R378 15K 
R358
1M
VOL301
MAIN VOLUME
BI301 
CNS902
CNS801
CNP801
CNP801
D322
R350
10K
Q323
2SJ109BL
R362
390
Q322
2SK389BL
R365
390
R363
390
IC308
OPA2134
ANALOG AMP.
C336 10/25 
C339
0.1
Q313
2SA1036KR 
RLY302
R354 100K
Q318
2SC2412KR
Q302
2SC2412KR
R304
1K
R372
1M
R366
390
R370
820
R332
2.2K
R335
150
R333
2.2K
R374
220
D320
DAN202K 
D321
DAN202K 
R342
10K
R343 10K
C335 10/25
R344
4.7K
R359
1M
R367
390
C338
0.1
R351
100K
Q319
2SC2412
R368
270
Q316
2SA1036KR
R334
150
Q326 2SK170BL
R380
220
Q314
2SA1036KR 
R360
100
R364
390
1
1 
MAIN PWB-A1
SM-SX1H
– 15 –
Figure 15 SCHEMATIC DIAGRAM (2/10)
7
8
9
10
11
12
0
1
2
3
4
5
–12V
–22V
AGND
+22V
P18  1-C
TO  1BIT AMP.
PWB
RESET 
AGND
AGND
AGND
AGND
A  L 
A  R 
D  R+
D  R–
D  L–
D  L+
A-GND 
A+5V
D-GND 
D+5V
6
5
4
3
2
1
4
3
2
1
1
2
3
4
5
1
2
3
4
+24V
8 
7 
5 
4 
2 
1 
3
2
1
–24V
9
8
7
6
5
4
3
3
2
2
1
1
3
2
1
NC
3
2
1
NC
NC
D 
D 
S 
S 
S 
S 
S 
S 
D 
D 
7 
6 
5 
4 
3 
2 
1 
7 
6 
5 
4 
3 
2
1 
8
7
6
5
4
3
2
1
– 
–
+ 
+ 
TP109 
3
2
1
3
2
1
3
2
1
+22V
–22V
CHASSIS
GROUND
–10V
+10V
AGND
D 
D 
+B
-B
-B
-B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
+B
+B
+B
-B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
IC302: CD/CD CONVERTER
CNWAM2A
P18  1-A
TO  1BIT AMP.
PWB
CNWAM1A
P19  12-C
TO  1BIT AMP.
PWB
CNSA4
P19  12-A
TO  1BIT AMP.
PWB
CNWAM3A
3
2
1
1
2
3
4
5
6
7
8
UNT2
1
2
3
4
5
6
UNT1
CNS302C
P22  4-E
P22  4-E
CNS302A
CORE
CNS302B
C356
KZ1250
C328
0.01
C326
33/35 
D328
DAN202K
TP114 
TP113 
TP112 
TP104 
TP100 
TP98
TP90
TP83
TP79
TP78
TP77
TP72
TP71
TP70
TP69
TP68
TP67
TP66
TP65
TP64
TP63
TP62
TP61
TP60
TP59
TP58
R316
2.7K
D324
1SR154
D325
1SR154
D326
1SR154
D327
1SR154
R390
4.7
R328
Q309
2SD2394F
C331
47/16 
R329
3.3K
C332
0.001
R331
3.3K
IC306
NJM431U
R330
0.2
IC305
NJM79M12 
THY301
SF3G48
IC302
TZ0775AF
R392
0.7
R317
470K
R393
2.2
C344
100/16
D308
1SR154
ZD302
MTZJ5.6B
Q311
2SC2412KR
R371
820
R373 1M
C341 0.01
CNP303
C308
220/35
C2412KR 
C316 100/16
D307
1SR154
R314
22
C327
0.01
D311
1SR154
D310
1SR154
D313
1SR154
C353
0.0047
C347
0.0047
R319
1K
C313
10/25
D305
1SR154
R355
100K
47P
Q310
2SA1037KR
R312
1K
R391
2.2
R348
82K
L302
220
µ
H 
R379 15K
Q315
2SA1036KR
ZD304 
HZ5BLL
IC304
NJM78M12
C322
0.01
C315 100/16
ZD303
MTZJ5.6B
R382
8.2K
CNP304
IC307 
NJM4558M
MOTOR DRIVE
C319
2200/35
C318
2200/35
C306
47/20 
C307
0.01
0.01
C340
0.01
D323
DAN202K
R347
4.7K 
R346
4.7K
CNP306
C351
10/25
R369 270
R381 220
Q321
2SK389BL
Q317
2SC2412KR 
ZD301
MTZJ160A
C311 0.22
D304
20E4FD
R396
8.2 
C349
220P
R353
10K
R361
100
R349
82K
R397
8.2
C314
10/25
Q305
2SC2412KR
C342
0.01
R356
4.7K
C343 0.01
ME
C324
10/25
C309 220/35
C2412KR 
R324
22K
R323
22K
IC301
NJM431U
REGUTOR
R313
1K
R310
1.5K
D322
DAN202K
R350
10K
D315
1SR154
D314
1SR154
Q323
2SJ109BL
R377 15K 
IC303
NJM78M05 
Q327
2SJ74BL
Q325
2SK170BL
R365
390
R363
390
C339
0.1
R352 100K
R375 220
Q313
2SA1036KR 
R307
0.1
C302
0.1
RLY303
C323
10/25
C312
0.22
R318 100K
R354 100K
CNP305
L301
220
µ
H 
L303
220
µ
H 
C321
0.01
C325
33/35
02K 
02K 
Q304
2SD2394F
R311
1.5K
C304 47/16
C305 0.001
R343 10K
D312
1SR154
R325
22K
R359
1M
R367
390
C317
100/16
R315
1K
C310
0.01
C338
0.1
R351
100K
Q319
2SC2412KR 
R326
22K
R327
6.8K
CNP302
R383
8.2K
R308
100K
Q303
2SC2412KR 
D303
DAN202K 
R309
2.7K
R320
1K
Q306
2SC3242
D306
1SR154
Q307
2SC3242
FROM  AC/DC  CONVERTER
1
1 
TP76
TP75
TP74
TP73
IC304: +12V VOL
TAGE
REGUL
TAOR
IC304: -12V VOLTAGE
REGULTAOR
SM-SX1H
– 16 –
Figure 16 SCHEMATIC DIAGRAM (3/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
35  
40 
28  
29  
44 
43  
42  
41  
39  
38  
37  
36  
34  
33  
32 
31  
30  
27  
26  
25  
24 
23  
22   21   20  19   18  17  16   15   14  13  12  
11  
10  
9 
8 
7 
6 
5 
4 
3 
2 
1 
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
EMP 
FS0 
FS1
RSTN
CLD 
CCK 
CDO 
EMP 
ERR 
VDD 
LR
DDIN
EXTW
CSM 
FS0 
FS1 
KM0 
KM2 
TSTN
VSSA
CTLP
(NC)
PCO 
CTLN
VDDA
RSTN
KM1 
DOM0
DOM1
DIM0
DIM1
TST2
VSS 
LOCKN 
P256
XO
XI
SKSY
MCA 
MCB 
WC
MCC 
SYNC
OPT
DOUT
NC
VFL 
DAUX
HDLT
8
7
6
5
4
3
2
1
VDD 
GND 
8 7 6 5
4
3
2
1
GND 
VDD
26  
42 41 40  39  38  37  36  35  34  33  32  31  30  29  28  27  
25  24  23   22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12 
11  
10  
9 
8 
7 
6 
5 
4 
3 
2 
1 
NC
NC
NC
NC
NC
NC
NC
NC
NC
RSTN
RAB 
VDDC2
POR
RESYNC
CDCC
CLC2
VSSC3
CMIC
CLC1
DSTB
DSR
DSL
DOBM
VSSC2
VDDC3
CDEC
SBDA
SBCL
EFAB
SD
SCK
WS
VDDC1
XTAL1
XTAL2
VDDOSC
VSSOSC
MODE
DOL
NDOL
VDDAL
VSSAL
VSSAR
VDDAR
DOR
NDOR
CDAC
TEST1
TEST2
DA
CL
VSSC1
18  
44  43  42  41  40  39  38  
35  34  
33  
32 
31  
30  
29  
28  
27  
26  
25  
24 
23  
22  
21  
20  
19  
17  
16  
15  
14  
13  
12  
11  
10  
9 
8 
7 
6 
5 
4 
3 
2 
1 
NC
NC
NC
NC
NC
NC
NC
EMP
FS0
FS1
LOCKN
DI
DI
BCKI
BCKI
ICLK 
VDD  
OW20N 
OW20N 
IISN
IISN
STATE 
TST1N 
TST2N 
RSTN
RSTN
VSS 
VSS 
SLAVE 
SLAVE 
THRUN 
THRUN 
OCKSL 
OCLK
LRCO
BCKO
BCKO
DOUT
DOUT
IFM2
IFM2
IFM1
IFM1
ICKSL
LRCI
OW18N
OW18N
DEEM
DEEM
FSI2
FSI1
MCOM
DMUTE
DMUTE
VDD
8
7
6
5
4
3
2
1
GND 
VDD 
14
12
13
11 10
9 8
7
6
5
4
3
2
1
NC
NC
L+
VDD
2CLR
2D
2Q
2Q
GND
2CK
1D
2PR
1Q
1Q
1PR
1CK
1CLR
14 13 12 11 10
9 8
7
6
5
4
3
2
1
NC
NC
VDD
2CLR
2D
2Q
2Q
GND
2CK
1D
2PR
1Q
1Q
1PR
1CK
1CLR
11
14
13
12
10
9 8 7
6
5
4
3
2 1
NC
VDD
GND
12
14
13 11
10 9 8
7
6
5
4
3
2 1
CK
VDD
GND
12
14
13 11
10
9 8
7
6
5
4
3
2 1
GND
VDD
8 7 6 5
4
3
2
1
NC
PR
CLR 
Q 
Q 
D 
CK
GND 
VDD 
5 4 3 2 1
5 4 3 2 1
MUTE
D.CNT
RAB
CL
DA
DDIN
37  36  
R+
R–
L–
TO  MICROCOMPUTER  PWB
P23  12-F
IC810:PC   CONTROLL          
IC812:INVERTER
IC802:INVERTER
IC811:
CHANGE
VOLTAGE
IC804,IC806,IC807:CONTROL
IC805,IC809:WAVEFORM RECTIFICATION
C836
47/10 
C803
47/10 
C847
0.1 
L812
 
R824
56
R815
56
IC810
TC7WU04F
R832
100
IC800
YM3436D
DIGITAL
INTERFACE
RECEIVER
IC801
SM5844AF
SAMPLING   RATE
CONVERTER 
 
R843 100 
R842 220 
R841 220 
C835
47/10
R838
1K
R839
1K
IC805
C806
22P
C838
0.1
C831
22P
L810
C837
0.1
R814
10K
C807
22P
IC803
 
TDA1307
1BIT 
CONVERSION
C811 47/10
C808
0.1 
R844
D
D
R830 120 
R829 120 
R831 120 
C805
22P
C834
47/10
C833
0.1 
R825
100K
R810 10K
R813
1M
L808
C802
0.1 
C801
47/10
R801
10
R818
10K 
R820
1K
R800 100 
R803
3.3K
C800
0.0047
R802
10K
R809 10K
R811 10K
X800
11.2896MHz
C815
22P 
C816
22P
R819
1K
IC804
74ACT00F
C822
0.1
L804
R822 82
C820
0.1
C821
47/10
C818
0.1
L803
C828
0.01
C827
0.1
L805
R821
10K
R816
1K
R817
1K
TP1
TP2
TP3
C819 22P
L806
C826
22P
 
C832 22P
 
C829
22P
C830
0.1
L809
C813
47/10 
C814
0.1
IC807
74ACT00F
R804 22K
R805
22K
C804
0.1
IC806
74ACT00F
L802
C823
47/10
C817
0.1
C812
0.1
C810 22P
C809
22P
R827
1k
C
4.
L800
L801
BI800
TP43
TP42
TP41
TP40
TP39
R806
1K
R807
1K
R808
1K
L813
 
C849
0.1
L811
C846
0.1
IC812
TC7W08F
R867
3.9K
C850 0.0022
R866
3.9K
C851
0.0022
LOCKN 
CNS903
CNP903
IC802
TC7W04F
IC811
TC7W74F
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