Philips MRD300/37/78, Service Manual

Page: 14 / 38

KEY (CONTROL / STANDBY /
VOL) BOARD
TABLE OF CONTENTS
FTD Display Pin Assignment ........................................... 5-1
Pin Connection ................................................................ 5-1
Circuit Diagram ................................................................ 5-2
PCB Layout Top & Bottom View ...................................... 5-3
Electrical Parts List & Voltages ....................................... 5-4
5-1
FTD DISPLAY PIN ASSIGNMENT
PIN CONNECTION
## Note ##
1. Fn:
Filament pin
2. NP : No Pin
3. NX : No Extended Pin
4. nG : Grid Pin
5. PN : Anode Pin
5-1
PIN NO.
CONNECTION
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 31~23 32 33 34 35
F1 F2 NP P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P13 P12 P14 P15 P16 P17 P18 NX 9G 8G 7G 6G 5G 4G 3G 2G 1G F2 F1 NP NP
36 37 38 39 40 41 42 43 44 45
NP 10G
a
b
c
d
e
f
g
h k
p
r
s
m
n
j
(2G - 10G)
Dp
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 1G
P2
P1
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
a
b
c
d
e
f
g
h
j
k
m
p
n
r
s
Col
Dp Col