Philips FWD 792, Service Manual

Page: 23 / 47

CONTROL BOARD
TABLE OF CONTENTS
FTD Display Pin Assignment ........................................... 5-1
Pin Connection ................................................................ 5-1
Circuit Diagram ................................................................ 5-2
PCB Layout (Key / sw / motor PCB) ............................... 5-3
PCB Layout Top View ...................................................... 5-4
PCB Layout Bottom View ................................................ 5-5
Electrical Parts List & Voltages ....................................... 5-6
5-1
FTD DISPLAY PIN ASSIGNMENT
PIN CONNECTION
5-1
## Note ##
1. F :
Filament 2. G :Grid 3. P :Anode 4. NP :No Pin 5. Nx :No extended
F F1
F2
F1
F2
1
20
2
21
3
22
4
23
5
24
6
25
7
26
8
27
9
28
10
29
11
30
12
31
13
32
14
33
15
34
16
35
17
36
18
37
19
38
F1
F2
NP
NP
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G NX NX P16
P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
PIN NO.
CONNECTION
PIN NO.
CONNECTION
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G
P1
P2
P3
P4
P5
P6
P7
P8
S1
T
d d d d d d d d
n n n n n n n n
r r r r r r r r
e e e e e e e e
c c c c c c c c
g g g g g g g g
m m m m m m m m
f f f f f f f f
b b b b b b b b
k k k k k k k k
j ,p j ,p j ,p j ,p j ,p j ,p j ,p j ,p
h h h h h h h h
a a a a a a a a
S8
W P9
P10
P11
P12
P13
P14
P15
P16
T5
T1
S2
S7
S5
Dp
Col Col
S6
S4
T3
T4
T2
S3
2G 1G
12G
11G
3G 4G 5G 6G 7G 8G 9G 10G
12G
T
7
.0
3.0
3.6
0.35
(3G 10G) (3G 10G)
a
h
r
j
p
k
n
b
c
d
e
f
g
m
2G 1G
W
S1
S2
S3
S4 S5
S6
S7
S8
T5
T4
T1
T2
T3