SM-SX1 (serv.man2). (including circuit diagrams and s) - Sharp Audio Service Manual (repair manual). Page 23

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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
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
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
4
5
6
7
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
Display
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