DOWNLOAD Sharp DX-SX1 (serv.man2) Service Manual ↓ Size: 3.97 MB | Pages: 76 in PDF or view online for FREE

Model
DX-SX1 (serv.man2)
Pages
76
Size
3.97 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Including circuit diagrams
File
dx-sx1-sm2.pdf
Date
PREV: Sharp DX-SX1 User Manual / Operation Manual

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

DX-SX1H
– 17 –
 Figure 17 BLOCK DIAGRAM (6/6)
RXDA
BCKA
DSAL
DSAP
PULS VOLTAGE
LPF 
FL301 
T301
SW101 
POWER
T101
POWER
TRANSFORMER
2 
5 
7 
6 
3 
1 
IC321
TC7WU04FU
3-CIRCUIT INVERTER
POWER MUTE
+B
CUSTOM
STANDARD
IC310
IX2838AF
LINE AMP.
IC309
IX2838AF
LINE AMP.
HEADPHONES
MUTE
IC308 
NJM4580M
HEADPHONES
AMP.
IC301
SM6451AV
VOLUME
CONTROL
SW207
OPEN/CLOSE
SW206
NEXT
SW205
STOP
SW204
PLAY
SW203
PAUSE 
SW202
PREV
SW201
SACD/CD 
FL201
FL DISPLAY
IC201 
MN12510F
FL DRIVER
XLF201
4.000MHz
FIX  OUT 
VAR.OUT 
RLY 
3 
KEY2
KEY1
DA
CK
CS
+ 
+ 
+ 
RELAY
SWITCHING
0V
50V
J302
1BIT
SOC301
RCA TERMINAL
DIGITAL OUTPUT
J301
OPTICAL FIBER
DATA LINK
SW301
FILTER
L102
LINE
FILTER
F101
T1A L 250V
SOC1
AC INLET
AC 230V, 50Hz
SOC302
LINE OUTPUT
JAK201
HEADPHONES
Q306
Q310
Q307
Q309 
DX-SX1H
– 18 –
Figure 18 SCHEMATIC DIAGRAM (1/11)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 41.
TP310
2.5V
2.4V
2.4V
2.5V
2.5V
0V
0V
0V
0V
0V
0V
0V
0.4V
5.0V
2.5V
2.3V
2.5V
0.7V
4.3V
4.4V
0V
0
0V
0V
0V
2.4V
2.4 V
0V
1.2V
1.2V
9.0V
0V
0V
0V
0V
9.0V
1.3V
1.3V
-9.0V
-9.0V
-9.0V
-9.0V
9.0V
2.4V
2.4V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
4.3V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
1.7V
1.7V
3.5V
3.5V
0V
1.8 V
1.8 V
1.8 V
0V
0V
0V
0V
2.5V
2.5V
3.6V
3.6V
3.6V
3.6V
3.6V
3.6V
3.6V
4.3V
2.5V
0V
0V
0V
0V
0V
0V
0V
0V
0V
1.7V
5.0 V
5.0 V
5.0V
5.0V
5.0V
5.0 V
1.7V
0V
0V
0V
0V
0V
0V
3.5V
1.4V
0.4V
2.5V
2.8V
1.9V
5.0V
2.5V
5.0 V
0V
2.5 V
1.7 V
1.8V
1.7V
2.5V
2.5V
5.0V
3.5V
3.5V
3.5V
3.5V
5.0V
5.0V
5.0V
3.5V
3.5V
0V
4.3V
2.3V
2.3V
2.3V
2.7V
2.7V
2.7V
2.7V
2.3V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
0V
5.0V
2.5V
2.5V
2.5V
2.5V
9.0V
2.5 V
2.4 V
2.4 V
-8.7
2.8V
0V
0V
4.1V
4.1V
4.12V
0V
5.0V
5.0V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
0V
0V
0V
0V
0V
0V
8.9V
-8.9V
4.3V
5.0V
5.0V
0V
0V
0V
0V
5.0V
5.0V
8
7
6
5
4
3
2
1
TP303
14
13
12 
11
10 
9
8
7
6
5
4
3
2
1
TP306 
8
7
6
5
4
3
2
1
TP301
TP302
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
TP309
TP308 
8
7
6
5
4
3
2
1
8 
7 
6 
5 
4 
3 
2 
1 
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TP304
MMUTE 
(VOLCS) 
(VOLCK) 
(VOLDT) 
VOLDT
VOLCK
(EXTST) 
(EXTCK) 
(EXTDI) 
(EXTDO) 
B_D5V
B_A5V
B_A5V
B_A5V
B_A5V_R357
B_A-5V_R354
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
RXDA
DSDRST
DSDCTL
VOLCS
VDD
VDD 
VRR
AVSS
RIN
ROUT
DVSS
MLEN
MCK
MDT
VRL
AVDD
LIN
LOUT
DVDD
ADRS1
RSTN
DSDRST
MMUTE
RXDA
DSDCTL
VOLDT
VOLCK
AGND
AGND
VCC
VCC
AGND
VCC 
AGND
loutHN
loutCP
loutHP
DCK
loutCN
VCC
SCK 
VCC
AGND
DGND
PHASE
RST
AGND
VCC
VCC
AGND
VCC
AGND
AGND
VCC
GND
VCC
GND
VCC
GND
VCC
AGND
AGND
VCC
AGND
AGND
loutHP
loutCN
SCK
AGND
DATA
DCK
VCC
VCC
loutCP
loutHN
AGND
VCC
AGND
VCC
VCC
AGND
VCC
AGND
PHASE
RST
DGND
NC
DSAR
D_GND
DSAL
D_GND
BCKA
DGND
VOLTR
VCC2
VOLT
ML
DM1
DM0
MUTE
CS/I
WO
AGND2
RST
ZERO
EXTL
NC
VCC1
AGND1
NC
EXTR
AGND2
VCC2
VDD
DGND
XTO
XTI
CLKO
DIN
LRCIN
DGND
EXTDI
EXTST
EXTDO
EXTCK
VOLCS
DISPLAY
BCKA
D-GND
DSAL
D-GND
DSAR
D-GND
ZDFLGL
ZDFLGR
D-GND
SA/CD
A-MUTE
EMPH
MCK1
D_GND
256FS
CDFRM
CDDAT
CDCLK
1
2
3
4
5
6
7
8
9
10
11
12
ADRS2
MODE
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
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
10
11
14
13
12 
11
10 
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
DATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
2
1
3
7
8
6
5
4
3
2
1
10
9
11
12
13
14
15
16
CNP906
TO SACD PWB
P25  12 - G
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CNP905
TO SACD PWB
P25  12 - G
CNP902
TO SACD PWB
P25  12 - G
-B
-B
+B
+B
+B
+B
+B
-B
-B
-B
VOLUME
CONTROL
IC328
TC7WU04FU
3-CIRCUIT INVERTER
C472
0.01
R302
33
R305
1M
X301
33.8688MHz
C304
10P(CH)
L301
1.8
µ
H
C303
0.001
C305
10P(CH)
R496
10
R493
33
R476
1K
R477
1K
C306
0.01
IC323
74HCT08A 
R340
33
CNP302
CNS302A
CNS302B
R301
56
R303
56
R304
220
C309
100P
(CH)
R352
47K
CNP309
CNS309A
CNS309B
BI301A
CNP301
CNS301A
CNS301B
IC325
74HCT08A 
R429 1K
C308
0.01
IC324
74HCT08A 
C307
0.01
C322
10/16
C326
10/16
C330
10/16
C406
10/16
R342
1K
R436
100K
R345
1K
R351
1K
C343
0.015
C341
0.0068
C349
0.001
C348
0.001
C340
0.0068
R344
1K
R341
1K
R435 100K
C405
10/16
R350
1K
C342
0.015
L307
1.8
µ
H
IC303
PCM1716E
CD/DA CONVERTER
C328
10/16
C327
10/16
C335
10/16
R449
10
L306
1.8
µ
H
R479
10
C410
0.1
C409
10/16
R343
100
DZ301
UDZ2.0B
Q302
DTA114  YK
SWITCHING
C336
330P
C334
0.1
C333
10/16
C337
0.1
C338
10/16
C346
0.1
C347
10/16
C411
10/16
IC301
SM6451AV
IC305
IX2838AF
LINE AMP.
C355
100/16
R354
68
R357
68
C354
100/16
R366
56K
R363
56K
R362
47
R365
47
C310
0.1
C318
0.1
C325
0.1
IC302
DSD1700E
DSD CONVERTER
C312
0.1
C314
0.01
C316
0.1
C321
0.1
C311
0.1
C320
0.1
C329
0.1
C324
0.1
C474
100/16
R311
1K
C442
470P
R308
1K
R313
4.7K
R310
4.7K
R307
1K
C441
470P
R306
1K
C445
0.1
C449
470P
R314
1.2K
R315
4.7K
IC326
R317
4.7K
C453
0.1
C454
0.001
R318
1.2K
C450
470P
R312
1K
C446
0.1
R316
1K
C443
470P
R319
4.7K
R322
4.7K
R323
1K
C444
470P
R326
1K
C448
0.1
R332
1.2K
C452
470P
R328
4.7K
IC327
R330
4.7K
R329
1.2K
C451
470P
C456
0.1
C457
0.001
C458
220P
C473
100/16
C332
0.1
C323
0.1
C317
0.1
C315
0.01
C313
0.1
R309
470
C460
0.1
C462
220P
R338
4.7K
R331
4.7K
R472
56K
C466
10/16
L30
100
IC307
IX2838AF
LINE AMP.
R336
1.5K
R480
22K
C459
0.1
C461
220P
R335
4.7K
R327
4.7K
C455
220P
C465
10/16 
R
4
L302
100
µ
H
IC306
IX2838AF
LINE AMP.
R337
1.5K
C467
0.0027
C469
0.001
C425
10/16
R491
68
R457
47
Q305
DTC114  Y
RELAY
SWITCHIN
C357
10/16
C356
0.1
1.8K
R381
1.8K
R380
R379
1.8K
R399
4.7K
R392
4.7K
R393
4.7K
IC304
DSD1700E
DSD CONVERTER
C447
0.1
IC305
IC323~IC325:
4X2-INPUT
AND GATE
IC327
IX2838AF
LINE AMP.
IC326
IX2838AF
LINE AMP.
DX-SX1H
– 19 –
Figure 19 SCHEMATIC DIAGRAM (2/11)
7
8
9
10
11
12
3
2
1
3
2
1
10
9
8
7
6
5
4
3
2
1
D_GND
DSAR
D_GND
BCKA
DSAL
D_GND 
0V
0V
0V
0V
0V
0V
0V
0V
1.2V
1.2V
9.0V
0V
0V
0V
0.7V
5.0V
5.0V
0V
0V
0V
0V
0V
9.0V
1.3V
1.3V
0V
0.7V
-9.0V
-9.0V
0V
0V
8.7V
-8.7V
0V
4.3V
4.3V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.7V
0.7V
0.7V
0.7V
0V
0V
0V
0V
0V
0V
1.4V
0.3V
0.3V
0. 7V
0.7V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
-9.0V
-13.7V
13.0V
5.0V
0V
0V
0V
0V
0V
0V
5.0V
5.0V
5.0V
5.0V
13.3V
0V
0V
0V
5.0V
-13.5V
12.8V
5.0V
5.0V
2.0V
13.5V
8.7V
5.0V
9.0V
9.0V
-8.7V
0V
2.0V
5.0V
5.0V
0V
0V
0V
0V
0V
9.0V
-9.0V
-8.7V
8.7V
2.8V
0.1V
0.1V
5.0V
0V
0V
4.1V
4.1V
12V
2.5V
2.5V
2.5V
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
3
2
1
8
7
6
5
4
3
2
1
3
2
1
3
2
1
B_A9V 
B_R5
B_R5V_D303
(VOLCS) 
(VOLCK) 
(VOLDT) 
B_A-9V
B_D+B 
B_R5V_D301
D_GND1
EXTCK
B_A+B 
G_AGND
B_A-B 
D_5V1 
B_D5V 
+B
+B
+B
+B
+B
+B
+B
EXTDI
EXTST
EXTDO
RXDA
G_DGND
B_A5V 
P-IN
CUSTOM
STANDARD
RXDCTL
RXDA
FIX
VAR
R_OUT   L_OUT
NC
D5V
DOUT
DGND
DRIVE
IC
D_GND
D+B
A-B
A_GND
A_GND
A+B
R5
GND
HP_L-OUT
HP_R-OUT
3
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
1
2
3
4
5
6
7
8
9
10
11
12
13
2
3
4
5
6
7
1
2
3
1
2
3
1
2
3
0
9
1
2
3
4
5
6
1
3
2
2
1
3
3
2
1
3
1
2
CNS202B
P20  4 - G
TO HEADPHONES
PWB
CNP901
P25  12 - C
TO SACD PWB
CNP101
P22  1 - B
TO POWER PWB
+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
2
1
Q316
DTC114 YS
2
1
3
EXTDO
DGND
EXTST
EXTDI
EXTCK
DGND
RXDA
DGND
DGND
BCKA
N.C
DSAL
DSAR
CD SIGNAL
MAIN PWB-A1
Q307,Q309 : HEADPHONES MUTE
REY302
IC305
X2838AF
LINE AMP.
R366
56K
R365
47
5
K
C453
0.1
C454
0.001
C456
0.1
C457
0.001
C458
220P
C460
0.1
C462
220P
R338
4.7K
R331
4.7K
R349
4.7K
R472
56K
C466
10/16
R347
1K
C345
0.0027
L303
100
µ
H
IC307
IX2838AF
LINE AMP.
R336
1.5K
R480
22K
C459
0.1
C461
220P
R335
4.7K
R327
4.7K
C455
220P
R461
56K
C465
10/16 
R348
4.7K
R346
1K
R355
470
C344
0.0027
L302
100
µ
H
R494
1.5K
IC306
IX2838AF
LINE AMP.
R337
1.5K
C467
0.0027
R451
1.5K
R452
1.5K
C469
0.001
C425
10/16
R491
68
R457
47
R459
56K
R460
56K
R458
47
IC318
IX2838AF
LINE AMP.
C468
0.0027
R482
68
C426
10/16
C470
0.001
R495
1.5K
R358
56K
C350
0.001
Q303
2SC2878B
C463
100/16
C464
100/16
R359
56K
R356
470
C351
0.001
Q304
2SC2878  B
D305
RB419D
D304
RB491D
CNP308
CNS101A
CNS101B
D306
DAP202K
IC314
KIA7805API
5V VOLTAGE
REGULATOR
C360
0.01
C492
0.001
C480
0.001
C364
10/16
C372
100/25
CNP307
CNS307A
CNS307B
IC317
KIA7909PI
-9V VOLTAGE 
REGULATOR
C375
10/16
C384
0.01
C397
1000/10
C396
1000/10
KIA7809PI    9V
VOLTAGE REGULATOR
C383
0.01
C374
10/16
C362
10/16
C358
0.01
R492
1K
KIA7805API
5V VOLTAGE
REGULATOR
Q306
DTC114 YK
POWER MUTE
R389
68
C420
10/16
C418
27P
(CH)
R398
15K
R368
56K
C416
47/10
R320
4.7K
R385
12K
IC309
R397
15K
C415
47/10
C417
27P(CH)
R405
56K
R433
1K
R434
1K
R384
12K
C419
10/16
R484
68
R411
56K
C380
10/16
R485
68
C414
27P(CH)
R444
15K
C391
47/10
R369
56K
C399
3.3/50
C398
3.3/50
R448
12K
R486
68
R447
4.7K
R446
4.7K
R445
12K
IC310
IC309,IC310
IX2838AF
LINE AMP.
C379
10/16
R443
15K C390
47/10
R438
56K
R439
56K
C413
27P(CH)
C369
10/16
C385
47P(CH)
R396
8.2K 
R391
10K
C389
100/16
R383
1K
R378
1K
C367
10/16
R377
56K
R376
56K
C366
10/16
R367
1K
R364
1K
REY301
R360
56K
R361
56K
D301
DAP202K
C440
10/16
C439
10/16
Q305
DTC114  YK
RELAY
SWITCHING
C357
0/16
C356
0.1
1.8K
R381
1.8K
R380
R379
1.8K
R399
4.7K
R392
4.7K
93
7K
R386
22K
C368
10/16
R390
10K
C376
47P(CH)
R395
8.2K
C388
100/16
IC308
IC308
NJM4580M
HEADPHONES  AMP.
R404
10K
R413
100
R410
10K
R418
100
Q307
DTC323  TK
Q309
DTC323  TK
C402
100P
CH)
C403
100P(CH)
R440
1K
R441
1K
D302
DAP202K
R409
1K
R416
1K
REY303
D303
DAP202K
Q310
2SC2412 KR
RELAY
SWITCHING
R339
47K
R471
2.2K
R470
2.2K
R469
2.2K
R468
2.2K
FL301
R463
100
C427
0.1
IC321
TC7WU04FU
3-CIRCUIT INVERTER
R464
100
C428
0.1
C429
33/16
T301
C431
100/25
C430
0.01
C432
0.01
R462
68
DZ302
UDZS5.6B 
SOC301
RCA TERMINAL
DIGITAL
OUTPUT
SW301
FILTER
DZ303
UDZS5.6B 
R465
100
DZ304
UDZS5.6B 
R466
100
R473
1K
BI301
R467
100
DZ305
UDZS5.6B 
R428
220
Q314
2SC2878 B
R400
4.7K
Q313
2SC2878 B
C436
47P
(CH)
R415
10K
R499
4.7K
R426
220
C434
47P
(CH)
R427
220
Q312
2SC2878 B
R498
4.7K
Q311
2SC2878 B
C433
47P
(CH)
C475
0.001
C479
0.001
R497
4.7K
R425
220
SOC302
LINE OUTPUT
TERMINAL
CNP305
CNS202B
CNS202A
J302
1BIT 
TERMINAL
J301
OPTICAL 
FIBER DATA
LINK
IC316
IC312
C487
0.001
C485
0.001
DX-SX1H
– 20 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 20 SCHEMATIC DIAGRAM (3/11)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 41.
NC
FILAMENT(-)
(FILAMENT(+)) 
(S6)
(S5)
(S4)
(AT-30V)
(G7)
(G8)
(S14)
(S13) 
(S11) 
(S10) 
(S9)
(S8)
(S7)
(S3)
(S2)
(S1)
(G2)
(G3)
(G4)
(G5)
(G6)
(CS)
(CLK)
(DATA)
(S12) 
(G9)
(G10)
(AT5V)
(CS)
(CLK) 
(DATA)
HP_R_OUT
HP_L_OUT
R/C 
AT5V
D_GND
A_GND 
AT  5.0V
KEY2
KEY1
FIP  CS
FIP  CK
FIP  DA
FILAMENT(+)
AT-30V
FILAMENT(-)
D_GND
3 
1
2
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
P25  12 - E
TO SACD PWB
1
2
3
4
1
2
3
4
11
12
13
14
1
2
3
1
2
3
1
2
3
TO MAIN PWB
+B
+B
0V
-25.3V
-25.8V
-25.8V
-25.7V
-25.7V
-28.5V
4.9V
4.6V
0V
5.0V
-31.5V
-25.1V
5.0V
0.2V
4.5V
4.0V
5.0V
5.0V
0V
0V
0V
0V
0V
+B
+B
+B
+B
-B
-B
HEADPHONES PWB-A3
DISPLAY PWB-A2
CNP305
P19  12 - B
CNP903
1
2
UN201
REMOTE SENSOR
GP1U271R
R202
100
C211
47/6.3
CNP203
JAK201
HEADPHONES
CNP202
C212
0.1
C214
150P
(CH)
C213
150P(CH)
R215
1K
R214
1K
R213
1K
XLF201
4.000MHz
C205
0.01
C204
10/16
C203
0.01
R226
2.2K
R212
4.7K
Q203
2SA1037  KR 
R210
33K
D203
DAP202K
D201
DAP202K
C202
0.047
C201
0.1
R201
33K
CNP201
CNS201A
CNS201B
CNS201C
CNS202A
CNS202B
SW207
OPEN/CLOSE
SW206
NEXT
R209
2.2K
SW205
STOP
R208
1.2K
SW204
PLAY 
R206
820
SW203
PAUSE
R204
680
SW202
PREV 
R203
470
SW201
SACD/CD 
R224
470
FL201
FL DISPLAY
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