DOWNLOAD Sharp SD-CX1 (serv.man7) Service Manual ↓ Size: 1.24 MB | Pages: 14 in PDF or view online for FREE

Model
SD-CX1 (serv.man7)
Pages
14
Size
1.24 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 4 - Schematic diagrams
File
sd-cx1-sm7.pdf
Date
PREV: Sharp SD-CX1 (serv.man6) Service Manual

Sharp SD-CX1 (serv.man7) Service Manual ▷ View online

SD-CX1H
– 42 –
Figure 42 SCHEMATIC DIAGRAM (1/14)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 37.
1
2
3
SYS_MUTE
SYS_MUTE
GND_MD
GND_D 
GND_D 
H.P_R 
+12V(A) 
-12V_A
TUN_R 
+12V(A) 
TUNER_SM
CE
CLK 
DO
DI
GND_MD
+5V_MD
+6V(A_MD) 
GND_A 
GND_A 
SUR_ON/OFF
H.P_L 
POWER 
TUNER_SM
MD_LOADSW 
MD_ST 
MD_SERCH
MD_RESET
MD_D_STB
MD_DSCK 
MD_KDATA
MD_DATA 
CLK 
DI
CE
DO
GND_HP
SUR_ON/OFF
+6V(A_MD) 
+5V_MD
GND_MD
MD_R_OUT
MD_L_OUT
MD_LOADSW 
POWER 
MD_DSCK 
MD_DATA 
MD_RESET
MD_KDATA
MD_SERCH
MD_ST 
MD_D_STB
MD_L_IN 
SYS_MUTE
TUN_L 
MD_R_IN 
CE
CLK 
DI
FROM TUNER PWB
DI
D
GND
BACKUP
PDOWN 
RESET 
MD-ST 
DSCK
SERCH 
KDATA 
MDDATA
DSTB
D-GND 
D-GND 
D-GND 
D-GND 
D-VDD 
D-VDD 
PCONTO
LOADSW
A-VCC 
AA-GND
AD-GND
L_IN
R_IN
R_OUT 
L_OUT 
GND(A)
GND(A)
TO POWER
PWB
(OS-CON)
(CD/MD) 
(TUNER) 
(AUX) 
(OS-CON)
CL
VDD 
VREF
R-BASS
R-TRE 
R-OUT 
R-IN
L-IN
L-TRE 
L-BASS
L-OUT 
VSS 
CE
DI
RSELO 
R4
R3
R2
R1
L1
L2
L3
L4
LSELO 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2 
1 
3 
9 8 7 6 5 4 3 
19 18 17 16 15 14 13 12 11 10
28 27 26 25 24 23 22 21 20
20
21
22
23
24
25
26
27
28 
29
30
4
5
6
7
8
9
10
11
12
20
19
18
17
16
15
14
13
21
22
24
23
2 
1 
3 
MAIN PWB-A1
0V
0V
0V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
8.4V
4.8V
11.1V
-11.4V
11.1V
0V
0V
-11.1V
0
0
2.2V
2.9V
2.9V
1  
30
1 2 3 4 5 6 7 8 9
10
TO MD PWB
CN1501
P55 12-G
SURROUND ON/OFF
SURROUND
MUTING
4.2V
-B
-B
-B
+B
+B
+B
+B
+B
+B
+B
CNP603
-B
+B
P50  1-B
ICU01
LC75341M 
CNS302
P45 10-H
CW1501
28
FWM01
CU35
100P(CH)
CU34
100P(CH)
CU36
100P(CH)
ZDU02
DZ10BSB 
CU33     100/10
CU32     100/16
CU31      0.022 
RU33     220(1/2W) 
QS01
KRA107 M 
CS10
47/25
DU01
DS1SS133
RU06
1K
CU06
2.2/50
CU05
2.2/50
RU05
1K
RS17
100K
RS19
220 
DS01
DS1SS133
RS18
220 
RU01
1K
CU16
0.22/50 
CU07
2.2/50
RU07
1K
RU08
1K
CU13
0.001
RU09
2.7K
RU11
1K
CU01
2.2/50
CU17
0.33/50 
CU08
2.2/50
CU14   0.001
RU10
2.7K
CU09
1/50
CU10   1/50
CU11
2.2/50
CU12
2.2/50
CU02
2.2/50
CU15
0.22/50
CU18
0.33/50 
RU34     220(1/2W) 
RU30
1K
RU32
1K
RU31
1K
CU45     100/10
CU30     22/16 
RU02
1K
CU20
47P(CH) 
CU19
47P(CH) 
CS11
47/25
RS1
820
RS12
820 
CS03 0.0047
CS04 0.0047 
CS02
0.082(ML)
RU12
1K
QS02 2SK246 GR
RP24
100K
QP05
KTA1266 GR
RP23
10K
RP19
2.2K
RP20
2.2K
RU6
18K
RU60
10K 
CU46 0.0033
CU47
0.001
RU23
1K
RU24
1K
RU21 470 
RU22
470 
CNPU04
CU49
470P
CU50
0.001
CU48
0.001
CNPU03
CNPU02
CS01
0.082
(ML)
ICU01
AUDIO
PROCESSOR
LC75341M 
RU40
47 
RU39
47 
– 43 –
SD-CX1H
Figure 43 SCHEMATIC DIAGRAM (2/14)
7
8
9
10
11
12
1 
1 
-12V_A
POWER 
DIG-OUT 
DIG-IN
D-GND 
BACKUP
PDOWN 
GND_A 
R_CH
L_CH
FROM 1 BIT
AMP. PWB 
L-CH
R-CH
1
2
1
2
3
5 4 3 2 1
2
3
8
4
5
6
7
2
3
4
8
5
6
7
2
3
1
CD  SIGNAL 
RECORD  SIGNAL 
PLAYBACK  SIGNAL 
FM  SIGNAL 
MD  SIGNAL 
+
–
+
–
+
–
+
–
DIG-IN
1
2
0V
0V
0V
0V
0V
0V
11.2V
-11.5V
0V
0.6V
0V
0.6V
0V
0V
0V
0V
0V
0V
0V
0V
11.7V
-12V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.9V
0V
2.8V
0V
0.7V
0V
0V
0V
0.7V
2.9V
UND
G
MUTING
MUTING
MUTING
MUTING
MUTING
-B
-B
+B
+B
1
ICP01 
CNSA106
P53  9-A
CNP7
TO CD PWB
P47  12-A
ICS01 
RP25
47
RS13
4.7K
RS14
4.7K
RS09
100K
RS10
100K
CS05
0.0033
RS03
4.7K
CS06
0.0033
RS04
4.7K
RS05
10K
RS01
1K
RS02
1K
ICS01
PRE AMP.
KIA4558F 
CS09
0.22/50
RS11
820
RS12
820 
RS07     100K
CS04 0.0047 
QU01
KTC3199 GR
QP02
KTC3199 GR
CP02
2.2/50
RS25
10K
RS26
10K 
RP08
4.7K
RP07
4.7K
CS08
0.22/50
RS08
100K
CP13
47/25 
RP27
47
RP13
6.8K
CP33
100/16
CP01
2.2/50
RS23
100K
RS24
100K
RP03
4.7K
RP02
22K 
RP01
22K 
CP09
2.2/50
CP10
2.2/50
RP05
100K
CP07
1/50
CP08
1/50
CP14
47/25
RP04
4.7K
RP06
100K
CP05
100P
(CH)
ICP01
PRE AMP.
NJM4565M 
CP06
100P(CH)
RP28
47
RP11
1K
RP12
1K
CNPP01
CU41 0.0022
DU05
DS1SS133
DU06
DS1SS133
CU21
470P
RU18
27K
CU22
470P
RU17
27K
RU19
15K
RU20
15K
JTU01 
AUX INPUT
RS06
10K
QP06
KRA107 M 
QP07
KTC3199 GR
QP09
KTC3199 GR 
RP15
4.7K
CP23
22/16
DP02
DS1SS133
DP01 DS1SS133
CP34
100/16
RP14
6.8K
RP16
4.7K
CP24
22/16
DP04
11ES1 
DP06
11ES1 
RP18
5.6K
QP08
KTA1266 GR
QP10
KTA1266 GR 
RP31
4.7K
RP17
5.6K
DP03
11ES1 
DP05
11ES1 
RP26
47
GR
RP19
2.2K
QP03
2SC2878 B
QP04
2SC2878 B
RP20
2.2K
RU61
18K 
RU60
10K 
CU47
0.001
CU48
0.001
BIU01 
RU70
100
CNSU01
CU42 0.0022
CP04
22P(CH)
CP03
22P(CH)
CU43
0.001
SD-CX1H
– 44 –
Figure 44 SCHEMATIC DIAGRAM (3/14)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 37.
4 3
1 2 3 4 5
1 
CLK 
DI
CE
DQ
TP301 
NC
MUTE
IO2 
FM IF IN
AM MIX
OUT
AM OSC
OUT
FM AFC
AM OSC
IN
AM RF IN
AM LOW
CUT
VSM 
FM/AM
OUT
GND 
AM IF IN
REG 
X OUT 
X IN
CE
DI
CL
DQ
AM IN 
FM IN 
VDD 
PD
AIN 
AOUT
VSS 
ANT 
GND 
GND 
GND 
VT
VCC 
IF OUT
F OUT 
FM
MW
MO/ST 
NC
2 3
4 5 
18
19
20
21
22
23
24
8 7 6 5
2 1 
7 8 9
6
10 
17 16 15 14 13 
19 18
22 21 20
TUNER PWB-A2
AM  SIGNAL 
FM  SIGNAL 
1
3
2
3
2
1
3
2
1
2.8V(1.3V)
0V
0V
0.9V(0V)
9.8V(0V)
0V
0V
0V
0V
6.5V(0V)
2.8V(1.3V)
2.6V(0V)
0V
0V
11
5V
0V
5V
2.6V
0V
2.8V(1.3V)
0.9V
0.9V
5.2V
2.6V(0V)
0V
(2.5V)
5.2V
2.6V
0V
0V
0V
5V
0V(11.6V)
3.9V(0V)
0V
0V
3.6V
5.1V
2.2V
2.2V
0.6V(1.2V)
0V(1.9V)
2.6V(0.9V)
2.2V
5.1V
2.2V
2.1V
0V
+B
+B
+B
+B
+B
FM
AM
GND
AM OSC.
AM  TRACKING fL
AM ANTENNA
FM IF AMP.
AM IF 
AM IF 
FM
MUTE LEVEL
IC302
D308
DS1SS133
D307
DS1SS133
1
1
2
2
AM  BAND 
COVERAGE
C324
0.47/50
C339
100P(CH)
R323
68K 
C334
18P
(UJ)
C337
0.022
T306
C335
330P
C323
0.022
T302
R336
10K 
C330
15P(UJ) 
C338
0.0022
VD301
SVC348S
VR351 10(K)B 
R386 1K
C342 0.022
L353
1mH 
CF352 
C332
0.022 
C331
0.047 
R358 8.2K
C343
33P(CH)
R352
1K
T351
R347
6.8K
R348
680
CF302 
R349
33
Q301
2SC380 O
C366
C352
10/16 
C351
0.022 
R351
5.6K
C361
0.022 
C362
3.3/50
C364
10/16 
C363
0.022 
C365
0.022 
C350
0.047 
C310
100P(CH)
C384
0.001
1
R
C394
47/25
C387
0.047
R380
1.5K
R379 2.2K
C385 0.01
C392
0.001
C393
1/50
R381 10K
L342
2.2
µ
H
X352
4.5MHz
C381
12P(CH)
C382
15P(CH)
C397
0.022
R382
150 
C380
10/16  
C390 0.001
R345
4.7K
C321 100/16
C341
0.022
C346
0.022
R344
470
CF301
FM IF
10.7MHz 
R346
330
C347
0.022 
R369
82 
C345 0.022 
D305
DS1SS133
D306
DS1SS133
C389
0.001
D304
DS1SS133
D303
DS1SS133
C301
0.001
FE301
FM  FRONT END 
C311
100P(CH)
C312
0.001
R372
1K
R373
1K
R374 1K
Q371
KTA1266 GR
R384
5.6K
R371
4.7K
C391
47/25
R385
5.6K
D352
DS1SS133
FM IF
10.7MHz 
L341
BALUN
C302
0.001
SO301A
ANTENNA
TERMINAL
D302
DS1SS133
D301
DS1SS133
BI303
– 45 –
SD-CX1H
Figure 45 SCHEMATIC DIAGRAM (4/14)
7
8
9
10
11
12
10
DI
DQ
CLK 
CE
D_GND 
SM
A+12V 
TUN/L 
A_GND 
TUN/R 
TP302 
MUTE
IO2 
AM LOW
CUT
FM/AM
OUT
MPX VCO 
MPX IN
R-CH OUT
L-CH OUT
PHASE
(FM/AM)  
PHASE 
IF OUT
VCC 
FM DET
STEREO
SD
GND 
AM IF IN
IF IN 
AM IN 
FM IN 
FM
MW
MO/ST 
ST IND
MO/ST 
NC
1 2 3 4 5 6 7 8 9
4 5  6
7
8
9
11
12
13
14
15
16
17
18
19
10
7 8 9
10 11
16 15 14 13 12
3
2
1
11.8V(0V)
11.2V(1.9V)
11.9V
2.6V(0V)
0V
(2.5V)
5.2V
0V
0V(11
.6V)
3.9V(0V)
0V
0V
5.2V
0V(1.9V)
2.6V(0.9V)
0V
2.1V
1.3V
1.3V
2.3V
2.1V
0V
5.2V
5.2V
5.1V
0V
3.9V
(1.9V)
3.9V
(1.3V)
3V
+B
+B
+B
+B
+B
24
23
22
12
11
10
9
8
7
6
5
4
3
2
1
AMP. 
CE
CLK 
DI
DO
VREF
FLOUT 
VSSA
MPXIN 
CIN 
T1
T2
T3
T5
XOUT
VSSD
T7
SYNC
DI
RDS-ID
DO
CL
SYR 
ICT21
T6
CE
VDDD
XIN 
VDDA
T4
21
20
19
18
17
16
15
14
13
+B
+B
+B
+B
SWITCHING
AM IF 
IC303 
LA1832
CNPU03 
P42  3-H
TO MAIN PWB
5.17V
1.96V
2.54V
2.58V
2.58V
5.17V
0V
2.59V
2.56V
0V
0.7V
0V
0V
0V
2.70V
0V
0.34V
0V
0.8V
3.94V
0V
0V
0V
0V
5.17V
2.72V
1 2 3 4 5 6 7 8 9
10
NC
NC
NC
NC
NC
NC
NC
CF352 
C372
1/50
C371
1/50
C373 0.018 
R357 470K
C374 0.018
R352
1K
C358
1/50
CF351
FM IF 
R356
1K
C368 1/50
C366 
0.001
R353
270 
C354
0.022 
C353
0.022 
C399
0.022 
C398
100/10
C356
0.001
C357
2.2/50
C364
10/16 
C363
0.022 
C365
0.022 
C367
1/50
R350
2.7K
X351
456kHz
C376
0.022 
R370
1K
R362
220 
R361
220 
R364
15K
R363
15K
R354
3.9K
L352
100
µ
H
C396
100/10
C370
1/50
C355
22P
(CH)
R355
3.3K
IC303 
LA1832
FM IF DET./
FM MPX./AM  IF
R391 270
R389
3.9K
R392 270
ZD351
DZ5.1BSB 
C395
0.022
IC302
PLL 
CONTROLLER
LC72131
R377 47K
L351
100
µ
H
R393
1K
C
387
0.047
C385 0.01
R376
1K
C386
330P
R378 82K
R360
4.7K
R395
47K 
R399
10K
R383
5.6K
GR
Q360
2SB562 C
4
C391
47/25
R385
5.6K
D352
DS1SS133
BI302 
R359
1.8K
C377
0.022
CT37
0.022
RT34
56K
RT33 56K
CT36 0.022
RT32 10K
CT23
10/16
LT21
2.2
µ
H
CT21 47/10
CT22 0.022
CT25
560P
CT24 0.022
RT39
220K
DT31
DS1SS133
XT21
4.332MHz
CT26
22P
(CH)
LT22
2.2
µ
H
CT27
22P
(CH)
ICT21
LC72722
RDS DECORDER
QT21
KTC3199 GR
RT30
1K
RT29
1K
RT28
1K
RT26
1K
RT35
220K
RT36
220K
RT37
220K
CT29 0.022
CT28 47/10
L354
LOW PASS
FILTER
CNS302 
Page of 14
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Sharp SD-CX1 (serv.man7) Service Manual ▷ Download

  • DOWNLOAD Sharp SD-CX1 (serv.man7) Service Manual ↓ Size: 1.24 MB | Pages: 14 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp SD-CX1 (serv.man7) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp SD-CX1 (serv.man7) System. Information contained in Sharp SD-CX1 (serv.man7) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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