Sharp UX-B20 Service Manual

UX-B20U/UX-B20C/B25C
4 – 3
[3] Point-to-point diagram
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
OPERATION
PANEL
PWB UNIT
VO
VG
CISVDD
øT
CISCLK
GLED
+24V
VO
VG
CISVDD
øT
CISCLK
GLED
+24V
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
+30V
+30V
MG
MG
DG
DG
+5V
+5V
+30V
+30V
MG
MG
DG
DG
+5V
+5V
KEN4A
KEN3A
KEN2A
KEN1A
DG
+3.3V
ORGSNS-
FRSNS-
E
SEN0
SEN1
SEN2
SEN3
SEN4
SEN5
SEN6
CNPN
CNPWCNPW
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
LIU PWB UNIT
+24V
ADG
ADG
+5V
RHS-
TELIN
TELMUTE
RXIN
TXOUT
CML
CI-
MICMUTE
+24V
ADG
ADG
+5V
RHS-
TELIN
TELMUTE
RXIN
TXOUT
CML
CI-
MICMUTE
CNLIUCNLIU
CNCISCIS
CONTROL
PWB
UNIT
1
2
1
2
SP+
SPD-
SP+
SPD-
CNSPSPEAKER
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
INK PWB UNIT
DG
ACLK
AGATE
+3.3VS
+11.82V
+11.82V
PCLK
+30VHD
PHID1
OK2PRT
DG
DG
DG
ACLK
AGATE
+3.3VS
+11.82V
+11.82V
PCLK
+30VHD
PHID1
OK2PRT
DG
DG
CNHEAD1CNHEAD1
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
DG
PENABLE
PLOAD
PHD0
PHD1
PHD2
PHD3
LHXS
LCN
SPRES-
POS
DG
DG
PENABLE
PLOAD
PHD0
PHD1
PHD2
PHD3
LHXS
LCN
SPRES-
POS
DG
CNHEAD2CNHEAD2
1
2
3
4
1
2
3
4
FMA+
FMB+
FMA-
FMB-
FMA+
FMB+
FMA-
FMB-
FEED MOTORCNFDMT
1
2
3
4
1
2
3
4
CMA+
CMB+
CMA-
CMB-
CMA+
CMB+
CMA-
CMB-
CARRIER MOTOR CNCRMT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
KEN4A
KEN3A
KEN2A
KEN1A
DG
+3.3V
ORGSNS-
FRSNS-
E
SEN0
SEN1
SEN2
SEN3
SEN4
SEN5
SEN6
CNPN
POWER
SUPPLY
PWB UNIT
1
2
3
1
2
3
FLTXD
DG
FLRXD
FLTXD
DG
FLRXD
CNPRGDOWNLOAD cable

Sharp UX-B20 Specifications

General

Brand	Sharp
Model	UX-B20
Category	Fax Machine
Language	English