Schematic Diagram/Wiring Side Of P.w.board - Sharp SM-SX100 Service Manual

A
B
LED PWB-A11
+B
LED904
R901
R909
LNG91LCF
100
100
AUX1
(SACD)
LED905
R902
R910
LNG91LCF
100
AUX2 100
(LINE1)
C
LED906
R903
R911
LNG91LCF
100
AUX3 100
(LINE2)
LED907
R904
R912
LNG91LCF
100
100
DIG1
(ST)
LED908
R905
R913
LNG91LCF
100
100
DIG2
(BNC)
LED909
R906
R914
LNG91LCF
100
DIG3 100
(COAX)
LED910
R907
LNG91LCF
100
DIG4
(TOS)
+B
D R915
100
BI902
DATA_IN 5 5
P33 11 - E
DATA_OUT 4 4
CNP807
IC_CLK 3 3
TO DIGITAL PWB
IC_STB 2 2
D.GND 1 1
E
CNS903 BI903
P28 1 - H
3 3
CNP903
2 2
TO DISPLAY VOLUME 1 1
PWB
SW901
CNP904
DIGITAL1
DIG1
2
(ST)
1
SW902 R948
DIGITAL2
1.5K
DIG2
(BNC)
F
SW903
R949
DIGITAL3 2.2K
DIG3
(COAX)
SW904
R950
DIGITAL4
3.9K
DIG4
(TOS)
SW905 R951
SACD
5.6K
AUX1
(SACD)
SW906 R952
LINE1
12K
AUX2
(LINE1)
SW907 R953
LINE2 39K
AUX3
(LINE)
G
SWITCH1 PWB-A4
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 26.
1
5V
B +B
9
7
0V
C
6 0V
LED901 LED902
3 2 4 5 8 10 1
GL9BC030 GL9BC030
+B
+B
R908
68
+B
R916
68
C901
0.1
CNS901
+B
5V
8 8 8 18 VDD 1
SIN
+B 0V
5V
7 7 7 17 Q1 2
CK
5V 0V
6 6 16 3
6 Q2 LATCH
5V
5 5 5 15 Q3 4
SOUT
5V
1 14
1 1 Q4 EN 5
5V 5V
2 2 2 13 Q5 RST 6
5V
0V
3 3 3 12 Q6 7
GND
5V 0V
4 4 4 11 8
Q7 GND
0V
BI901 10 Q8 GND 9
CNP901
5V
IC901
BU2114F
LED DRIVER
R957
1K
+B
+B
R954
1K
0V
1
0V
2
R947
R955
R956 0V
10K
3
1K 1K
0V
4
5V
5
R958
0V
6
1K
R959
0V
CNS904
7
1K
0V
2 2 8
0V
1 1 9
0V
10
0V
11
IC905
PST9119
RESET
R962
5V
10K
5V
+B
2 1
C905
3
10/16
0V
+B
SYSTEM MAICROCOMPUTER PWB-A3
2 3
Figure 27 SCHEMATIC DIAGRAM (1/9)
A
5V
F B +B
9
G
7 0V
E C
6
0V
D
LED903
3 2 4 5 8 10 1 3
GL9BC030
+B
C902
0.1
10 11 12 13 14 15 16 17 18 10 11 12 13 14 15 16 17 18
IC902
BU2114F
LED DRIVER
9 8 7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
0V 0V 0V
0V
R981
1K
44 43 42 41 39 38 37 36 35 34
40
R973
1K
0V
DATA_IN AUX3 33
5V
DATA_OUT 32
MUTE
5V
DI G_A 31
IC_CLK
5V
DI G_B 30
0V
KEY IC904
IC_STB 29
R961
5V
IX2816AF
VOL DI S P_IN 28
1K
0V
SYSTEM
PROTECT
KEY A 27
R969
MICROCOMPUTER 0V
KEY B DDATA 26
1K
0V
KEY C
DLATCH 25
0V
24
DCLK
R968
CL_CONT 23 0V
1K
12 13 14 15 16 17 18 19 20 21 22
0V
R966
1K
+B
R965
1K
D901
R963
1SS133
1K
X901
8MHz
+B
L901
C906 C907
22µH
0.1 10/16
4
– 27 –
A
5V
F B
9 +B
G
7 0V
E C
6 0V
D
2 4 5 8 10 1
+B +B
C904
47/10
C903
0.1
IC903
BU2114F
LED DRIVER
R960
CNS905
1K
14
14
13 13
12 12
11 11
10 10
9
9
8 8
R976
7 7
1K
6 6
5 5
4
4
3 3
2
2
1 1
+B
R982
1K
BI906
CNS906
+B
R972
10 10
1K
9 9
8 8
R967
7 7
1K
6 6
5 5
R971
4 4
1K
3 3
2 2
R970
1 1
1K
C908
220P
C909
220P
C910
220P
+B
5
SM-SX100
P_IN
YOBI OUT
RPOTECT
L MUTE
POWER
SP_RLY
P28 5 - H
DIG/ANA
CNP106
AUX 1
TO MAIN PWB
AUX 2
AUX 3
IC_RESET
LED GND
D. GND
+5V
+5V (FOR DIG/ANA RLY)
D. GND (FOR DIG/ANA RLY)
DIG/ANA
MUTE
P32 5 - H
DIG_A
CNP804
DIG_B
TO DIGITAL
DLATCH
PWB
DCLK
DDATA
DIG_C
6