Service manual

UX-465L/C
UX-485LU
[4] Operation panel PWB circuit
6 – 16
1
2 6
4
3
5
BDEFG
I
HCA
1
2 6
4
3
5
BDEFG
I
HCA
CNPN-12
CNPN-10 CNPN-11
CNPN-13
SEN3
LD7
SEN2
LD6 SEN1
LD5
SEN0
LD4
SPEED
FUNC
REDIAL
DOWN
HOLD
2
5
8 0
RECEPTION
SPEAKER
02
04
01
03
05
1
4
7
RESOLUTION
REC
PLAY
REPEAT
DELETE
UP
STOP
COPY
START
3
6
9
#
D1
1SS133
D2
1SS133
D3
1SS133
D4
1SS133
CNPN-4
KEN1A
CNPN-3
KEN2A
CNPN-2
KEN3A
CNPN-1
KEN4A
11
D1
VCC
GND
9
16
8
IC1
HC147
IC2
AHCT244N
12 13
1 2 3 4 5
10
D2 D3 D4 D5 D6 D7 D8 D9
A0 A1 A2 A3
7 6
14 15
N.C.N.C.
R11 100K
R6 100K
R10 100K
R3 100K
R4 100K
R5 100K
R8 100K
R7 100K
R9 100K
+3.3V
+3.3V
+3.3V
+5V
+5V
C3
22000P
C2
22000P
DG
CNPN-5 CNPN-7
CNPN-6
CNPN-15
CNPN-14
CNLCD-4
CNLCD-6
N.C. N.C.
CNLCD-13
CNLCD-14
CNLCD-11
CNLCD-12
DG
+5V +3.3V
C4
22/50
C1
22/50
DG
DG
DG
DG
DG
DG
DG
+5V
VO
R/W
LD4 LD5 LD6 LD7 SEN4 E
2 4 6 8
11 13 15 17
1
19 20
1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4 1OE 2OE VCC
1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4
GND
18 16 14 12 9 7 5 3 10
LCD4 LCD5 LCD6 LCD7
RS
LCDE
R1
6.2K
R2
1K
R12 200 R13 200 R14 200 R15 200 R16 200
R17
CNLCD-5
CNLCD-3
CNPN-9
CNPN-8
CNLCD-1 CNLCD-2
FRSNS
ORGSNS
FRSNS
ORGSNS
CNPN
KEN4A1
2 3 4 5 6 7 8 9
10 11 12 13 14
KEN3A KEN2A KEN1A
DG
+3.3V +5V ORGSNS FRSNS SEN3 E SEN1 SEN0 SEN2
15 SEN4
CNLCD
DG1
2 3 4 5 6 7 8 9
10 11 12 13 14
+5V VO RS R/W LCDE N.C. N.C. N.C. N.C. LCD4 LCD5 LCD6 LCD7
NOTE: Since the parts of PWB cannot be supplied, change it as a unit.