Read Sharp AM-400 (serv.man4) Service Manual online
AM-400DE
6 – 22
[5] Operation Panel PWB circuit
1. Operation Panel 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
LEDON
DG
DG
DG
DG
+3.3V
DG
+3.3V
+3.3V
+3.3V
/SEN3
/SEN2
E1
R/W
E
DG
LD3 LD2 LD1
RS
DG
V0
/STRB1
/STRB2
/STRB3
/STRB4
/STRB5
/STRB6
/STRB7
DG
/SEN2
/SEN1
/SEN0
/STRB0
/STRB2
/STRB3
/STRB5
/STRB7
/STRB1
R/W
E1
LD0
LEDON
/SEN1
LD0
LD1
LD2
LD3
RS
/STRB0
/STRB4
/SEN3
/STRB6
/SEN0
E
V0
CNLCD1-5
CNLCD1-6
CNLCD1-3
(CNLCD1-2)
CNLCD1-1
CNPN1-11
CNPN1-9
CNPN1-7
CNPN1-5
CNPN1-20
(CNPN1-16)
CNPN1-3
CNPN1-1
CNPN1-2
CNPN1-4
CNPN1-6
CNPN1-8
CNPN1-10
CNPN1-12
(CNPN1-15)
CNPN1-13
CNLCD1-6
CNLCD1-11
CNLCD1-12
CNLCD1-13
CNLCD1-14
CNLCD1-4
+
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
DG
1
+3.3V
2
VO
3
RS
4
R/W
5
E
6
N.C.
7
N.C.
8
N.C.
9
N.C.
10
LD0
11
LD1
12
LD2
13
LD3
14
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
/STRB0
3
DG
13
/SEN0
11
/SEN1
9
/SEN2
7
/SEN3
5
+3.3V
14
/STRB3
4
/STRB4
6
/STRB7
12
/STRB6
10
/STRB5
8
LEDON
15
/STRB1
1
/STRB2
2
E
16
CNPN1
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
Operation
Panel
PWB
Circuit
Note:
Since
the
parts
of
PWB
cannot
be
supplied,
change
it
as
a
unit.
22
CE1
CNLCD1
LCD
14PIN
CNPN1
9615S-16A-PP-A
150
R4
LED1 GL3HD8
JP
6.2K
22000PF/50V
N.M.
SW27 K0005
SW9 K0005
SW17 K0005
SW14 K0005
SW24 K0005
SW3 K0005
SW30 K0005
SW8 K0005
C2
SW28 K0005
SW21 K0005
SW5 K0005
SW18 K0005
SW10 K0005
SW15 K0005
R3
R2
200
SW4 K0005
SW25 K0005
SW22 K0005
R1
SW19 K0005
SW1 K0005
SW16 K0005
SW6 K0005
SW11 K0005
SW29 K0005
SW26 K0005
SW13 K0005
C1
SW23 K0005
SW2 K0005
SW20 K0005
SW7
K0005
SW12 K0005
D7
1N4148CD
D8
1N4148CD
D2
1N4148CD
D6
1N4148CD
D1
1N4148CD
D3
1N4148CD
D4
1N4148CD
D5
1N4148CD
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