Service manual

UX-A260U
NOTE:
This mark indicates a safety-critical part(s).
4 4
3 3
2 2
1 1
D D C C B B A A
DG
DG DGDG
+3.3V
E
+3.3V
ORGSNS
DG
SEN6
SEN0
SEN1
SEN2
SEN3
SEN4
SEN5
FRSNS
LD3
R/W
VO
LD1
+3.3V
LD2
E
DG
RS
LD0
KEN3A
KEN4A
KEN2A
KEN1A
CNPN-10
CNPN-11
CNPN-13
CNPN-14
CNPN-15
CNPN-16
CNPN-9
CNPN-6
CNPN-5
CNPN-7
CNPN-12
CNPN-8
ORGSNS
FRSNS
sw 3
sw 4
sw 5
sw18
sw 6 sw 7
sw 8
sw25
sw 9
sw10
sw11
sw21
sw12 sw13
sw14
sw28
sw17
sw19
sw22
sw15
sw16 sw23
sw20
sw27
sw24
sw26
CNLCD-4
CNLCD-6
CNLCD-1
CNLCD-13
CNLCD-12
CNLCD-2
CNLCD-14
CNLCD-11
CNLCD-5
CNLCD-3
E
KEN4A
CNPN
RS
E
CNLCD
6
+3.3V
4
1
R/W
9
VO
N.C
8
2
7
5
3
LD2
LD1
10
LD0
LD3
11
12
13
14
CNPN-1
CNPN-4
CNPN-2
CNPN-3
SEN2
SEN3
SEN0
SEN4
KEN3A
KEN1A
KEN2A
SEN5
+3.3V
ORGSNS
FRSNS
SEN1
DG
N.C
N.C
N.C
SEN6
DG
6
2
12
7
14
13
5
10
11
1
8
9
3
4
15
16
D 5
1SS133
AK
5
#
8
START
R4 (10k )
UP
R1
(10k)
DOWN
R5
(10k)
4
A
R6
N.M.
(10k)
C 1
0.022u/50V
0
7
KEY-1
KEY-3
R 3
JP(1k)
FLASH
D 6
1SS133
AK
REDIAL
C 2
N.M.
D 7
1SS133
AK
STOP
COPY
D 2
1SS133
AK
*
D 1
1SS133
AK
KEY-2
D 3
1SS133
AK
3 FUNCTION
6
D 4
1SS133
AK
SPEAKER
1
8
RESOLUTION
2
R 2
N.M.
(6.2k)
6 – 16
[4] Operation Panel PWB circuit
1/1
Note: Since the parts of PWB cannot be supplied, change it as a unit.