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
PIN NO.
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
8
7
3
0
P
5
6
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
(3G-11G )
P 1
P 2
P 3
P 4
P 5
P 6
P 7
P 8
P 9
P 10
P 11
P 12
P 13
P 14
P 15
P 16
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
DIGITAL
DIGITAL
1G
3G
4G
5G
6G
7G
8G
9G
10G
11G
12G
2G
col
col
col
