Sharp SM-SX100 Service Manual page 20

SM-SX100
To µ-com
CNP106 Pin 12
IC904
Pin 27
C218
10/25
R212
4.7K
(VRN)
R228
10K
(VRN)
R227
100K
(VRN)
R660
4.7K
MAIN-A
A
L+
3
L–
4
R+
6
R–
5
+15V
B
–15V
C
–32V
E
+32V
D
R214
R207
10K
47K
(VRN) R213
C204
(VRN)
10K
0.01
(VRN)
R208
C202
D204
4.7K
0.01
DA119
(VRN)
C313
0.01
R209
D206
3
4.7K
DA119
(VRN)
R211 2
4.7K
R210
(VRN)
C205
47K
5
0.01 (VRN)
6
Q208
2SC2412 KR
C207 R217
Q210
0.01
100K
2SC2412 KR
(VRN)
Figure 20-1 OVERCURRENT DETECTION CIRCUIT
D651
DA119
Q651
2SC2412KR
–B
R651
15K
C651
R653
33/50
15K
R655
10K
D652
DA119
Q652
2SC2412KR
R652
15K
C652
R654
33/50
15K
R656
10K
–B
Figure 20-2
– 20 –
RLY106
Q201
2SA1037 KR
R201
100K
(VRN)
R233
R205
100K
10K
(VRN)
R206
100K
(VRN)
D203 R202
4
DA119 47K
(VRN)
1
Q202
R204
D202
2SC2412 KR
10K
DA119
(VRN)
7
8
R203
C201
100K
0.01
C614 (VRN)
0.01
From OFF-SET Detection Section
MAIN PWB-A1(3/3)
–15V
C654
0.01
R661
10K
4
+ 3
IC651
1
–
2
NJM4558M
MOTOR DRIVER
+ 5
7
–
6
8
R659
C653
47K
47/50
C655
0.01
–32V
–B
+B
+15V
+B
–B
+B
R256
Detection
Resistor
D107
Q116
DA119
2SC2412KR
R180
2.7K
R179
(VRN)
100K
(VRN)
+32V
+B
R657
22K
R658
22K
–B
+B