Avtech AVMR-2D-B, Instructions Manual

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PCB 104F - KEYPAD / DISPLAY BOARD, 3/3
1 2 3 4 5 6
A
B
C
D
6 5 4 3 2 1
D
C
B
A
T i tle
Re vis i on Da te
25-Sep-2015
Z:\mjcfiles\pcb\104f\keypad-2015.ddb - Documents\LCD-BUTT.SCH
LCD CIRCUITS, MECHANICAL
A0
1
A1
2
A2
3
P0
4
P1
5
P2
6
P3
7
GN D
8
P4
9
P5
1 0
P6
1 1
P7
1 2
INT
1 3
SC L
1 4
SD A
1 5
VC C
1 6
U5
PC F8 5 7 4 AN (MU ST HA VE "A" IN P/N )
VC C
SD A
SC L
VC C
VC C
GN D
VC C
VC C
C5
0 .1 u F
1 2
U1 A
MM7 4 HC 1 4 N
1 3 1 2
U1 F
MM7 4 HC 1 4 N
5 6
U1 C
MM7 4 HC 1 4 N
PA D3
LED + PA D4
LED -
X3
4 -4 0 MO UN T
X1
4 -4 0 MO UN T
X9
4 -4 0 MO UN T
X8
4 -4 0 MO UN T
3 4
U1 B
MM7 4 HC 1 4 N
L
C
D
P
O
W
E
R
VC C
2
3
4
5
6
1
7
8
1 6
9
1 0
1 1
1 2
1 3
1 4
1 5
RN 4
4 8 1 6 P-2 -1 0 2 LFC T-N D
VC C
VC C
C8
2 .2 u F
R3
2 2
DB 7
1
DB 6
2
DB 5
3
DB 4
4
DB 3
5
DB 2
6
DB 1
7
DB 0
8
E1
9
R/W
1 0
RS
1 1
VEE
1 2
VS S
1 3
VC C
1 4
E2
1 5
NC
1 6
LED +
1 7
LED -
1 8
X1 0
A3 2 7 0 7 -0 9 -ND
R6
0
C
C
W
C
W
W
T
O
P
V
IE
W
1
2
3
R5
PO T, 3 2 6 6 X 1 0 K H OR IZ
VC C
BL
TP1
TES T-LO OP