AR-NB3 (serv.man4). Service Manual for ARNB3 - Sharp Copying Equipment Service Manual (repair manual). Page 28

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AR-NB3
CIRCUIT DIAGRAM
7 – 14
A
B
C
D
8765
4
3
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
8765
4
3
1
1
2
2
3
4
5
6
7
8
D
C
B
A
14/16
POWER
VCCINT = 1.5V
VCC = 5V
VCCIO = 3.3V
VCCIO = 3.3V
VCC = 5V
VCCINT = 1.5V
<TX4927AF Internal POWER 1.5V>
VCC
VCCIO
VCCINT
VCCIO
VCC
VCCIO
VCC
VCCINT
TP460
R20
4
0
TP
9
1
+
C18
6
470uF
/16V
TP
8
1
D13
1SS35
5
TP574
+
C22
7
470uF
/16V
NOASM
TP704
TP
7
1
C18
2
0.1uF
1
2
TP
4
1
C18
3
0.1uF
1
2
C19
7
0.47uF
TP
5
1
+
C18
4
470uF
/16V
C188
0.01uF
1
2
TP455
TP575
TP457
R200
100K/0.
1
W
1
2
R19
8
3
K
_1%
1
2
C242
0.47uF
C19
1
0.1uF
1
2
+
C19
2
220uF
/1
6
V
1
2
D14
D
1
FM3-4103
L21
RCH-108
-680
4
2
PJ1
H
E
C
3610-010010
2
3
4
2
3
4
R19
9
12K_
1
%
1
2
C196
100
0
p
F
TP548
C19
3
0.1uF
1
2
D15
D
1
F
M
3-4103
C219
4
7
0pF
TP569
IC31
NJM2360M
7
1
2
3
4
8
5
6
S1
CS
ES
CT
GND
CD
INVIN
V+
L20
RCH-108-6
8
0
4
2
TP459
TP
698
+
C21
2
22uF/1
6
V
R217
MCR50JZHFLR330
1
2
+
C19
0
220uF
/16V
FS3
TR/0603FA 1A
 -
T
1
2
1
2
R20
3
0
NOASM
IC27
M
D
3221N
1
6
18
19
20
21
23
24
25
26
27
28
29
30
31
32
2
3
4
5
7
8
9
11
12
13
14
16
10
15
17
22
R/C
VCC
VDD
VDD
VDD
VDD
VGH
VB
OCL+
GND
OCL-
ampOUT
amp-
ampIN
2.5V/3.3V
S/S
Vref
OSC
GND
LC
Vboot
P.GND1
VGL
VOUT
VOUT
VOUT
VOUT
P.GND2
N/C
N/C
N/C
N/C
+
C18
7
10uF/1
6
V
1
2
C189
0.47uF
+
C22
8
470uF
/16V
NOASM
TP467
TP699
FS4
TR/0603FA 2.5A 
-T
1
2
12
TP456
+
C211
22uF/1
6
V
C24
1
0.47uF
TP458
TP549
D7
L
T
L
-155GHA 
R206
560
TP461
TP425
R262
2K_1
%
NOASM
1
2
+
C213
22uF/1
6
V
FS2
TR/0603FA 2.5A -
T
1
2
1
2
IC37
NJM2360M
NOAS
M
7
1
2
3
4
8
5
6
S1
CS
ES
CT
GND
CD
INVIN
V+
C22
9
4
7
0pF
NOAS
M
TP573
+
C200
47uF/16
V
1
2
R261
MCR50JZHFLR330
NOASM
1
2
+
C180
47uF/1
6
V
1
2
TP572
R263
1.2K
_
1
%
NOASM
1
2
D16
D
1
FM3-4103
NOASM
TP
6
1
TP571
L24
RCH-108-6
8
0
NOASM
4
2
TP570
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