Sharp UX-B20 Service Manual

UX-B20U/UX-B20C/B25C
6 – 21
[5] Ink PWB circuit
1. Ink PWB Circuit
A A
B B
C C
D D
E E
F F
G G
H H
6 6 5 5 4 4 3 3 2 2 1 1
PLOAD OK2PRT
ID1
LHCS
NHDRESET
BCP3
BCP16
BCA3 BCP5 BCA9 BCA7 BCP7 BCP1 BH12
BCP13
BCA4
BCA12 BCA10 BCP12 BCP14 BCP10
BCA6 BCA5
BS1 BCP15
BCA8
BCA11
BCP8 BCA1 BCP9
BCP11
BCP2 BCA2 BCP4 BCP6
BCA13
BCA[13:1],BCP[ 16:1],BH12,BSEL,BS1
GND
+30V
PENABLE
LCN
BSEL
BCA10 BCP11
BCA8 BCA6
BCP10
BH12
BCA12
BCP5 BCP3 BCP4 BCA5 BCA9
BSEL
BCP8
BCP15
BCA7 BCA2 BCP2 BCP6
BCP14 BCP12 BCA11 BS1
BCA4
BCP16
BCA1 BCP1
BCP13
BCP7 BCA3
BCA13
BCP9
GND
nHOME
ACLK
AGATE
PD3 PD1 PD0 PD2
PCLK
GND
ACLK
AGATE +3.3V +11.82V +11.82V
PCLK
+30V
ID1
OK2PRT
GND GND GND
PENABLE
PLOAD
PD0 PD1 PD2 PD3
LHCS
LCN
NHDRESET nHOME
GND
+11.82V +11.82V +3.3V
+3.3V
GND
+11.82V
GND GND
+30V
GND
GND
+3.3V
GND
GND
+11.82V
GND
GND
GND
+11.82V
GNDGND
+3.3V
GND
GND GNDGND
R105 3.9K
CNHEAD1
1 2 3 4 5 6 7 8 9 10 11 12
C112
N.M.
R108 5.1K
CNHEAD2
1 2 3 4 5 6 7 8 9 10 11 12
IC100
SPITFIRE
VCC2
2
VCC2
5
VCC2
8
VCC2
11
VCC2
38
VCC2
14
VCC2
41
VCC2
44
VCC2
47
VCC3
56
A1
26
A2
25
A4
23
A3
24
A7
27
A8
20
A6
21
A5
22
A11
17
A12
28
A10
18
A9
19
A13
29
P13
6
P7
4
P11
1
P3
45
P9
3
P8
37
P6
39
P10
12
P5
43
P4
40
P12
9
P2
42
P1
46
P15
48
P16
10
P14
7
CH
15
ID1
31
HSMD
64
HSCD
63
BH
13
ID2
33
GND
36
GND
16
AGATE
60
ACLK
61
VCC1
55
PCLK
57
PD3
54
PD2
53
PD1
52
PD0
51
PLOAD
50
PENABLE
49
LOAD_HTR_CS
58
LATCH_CTRL
59
OK2PRT
35
RESET
62
PH_ID1
30
PH_ID2
34
VREF
32
R100 39
R104
3.9K
C106
0.1u/50V
C101
180P/50V
C108
N.M.
R103 0
C100
180P/50V
PI1
GP1S094HCZ
1 43
2
C102
0.047u/50V
C104
0.1
C1
1000u/25V
R101 39
R102
3.9K
R106
120
C105
N.M.
CNFPC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
C111
0.1u/50V
C110
C107
0.1u/50V
R109
120
C109
N.M.
C103
N.M.
R107 5.1K
Ink PWB Circuit

Sharp UX-B20 Specifications

General

Brand	Sharp
Model	UX-B20
Category	Fax Machine
Language	English