KEY / VIDEO / SENSOR /
PHONE / VOL / VU BOARD
TABLE OF CONTENTS
FTD Display Pin Assignment ...........................................5-1
Pin Connection ................................................................5-1
Internal IC Diagram & Voltages List ................................5-2
Circuit Diagram ................................................................5-3
PCB Layout Top View ......................................................5-4
PCB Layout Bottom View ................................................5-5
Electrical Parts List ..........................................................5-6
5-1
FTD DISPLAY PIN ASSIGNMENT
PIN CONNECTION
## Note ##
1. Fn: Filament pin
2. nG : Grid pin
3. Pn : Anode pin
4. NP : No Pin
5. NC : No Connection pin
5-1
PINNO.
CONNECTION
1
F
1
2
F
1
3
F
1
4
N
P
5
N
P
6
1
G
7
2
G
8
3
G
9
4
G
1
0
5
G
1
1
6
G
1
2
7
G
1
3
8
G
9
G
10
G
11
G
12
G
1
4
1
5
1
6
1
7
1
8
N
X
P
16
P
15
P
14
P
13
2
3
P
12
2
4
P
11
2
5
P
10
2
6
P
9
2
7
P
2
8
P
2
9
P
87
3
0
P
56
3
6
3
1
3
2
3
3
3
4
3
5
P
4
4
1
N
P
4
2
F
2
4
3
F
2
4
4
F
2
3
7
P
3
3
8
P
2
3
9
P
1
4
0
N
P
_
a
b
h
j
k
f
g
m
e
r
p
n
c
d
(3 G-11G )
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
1G 2G 3G 4G 5G 6G 7G 8G
Dp
9G
10G 11G
12G
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
m
r
n
p
e
c
d
a
f
j
h
k
b
g
T3
T2
T1
T0
m
r
n
p
e
c
d
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