Control Board - Philips FWD792 Service Manual

5-1

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