Table Of Contents; Ftd Display Pin Assignment; Pin Connection - Philips MX3550D/37S Service Manual

KEY / VOLUME / LED BOARD

TABLE OF CONTENTS

FTD Display Pin Assignment ........................................... 5-1
Pin Connection ................................................................ 5-1
IC Interbnal Block Diagram ............................................. 5-2
Circuit Diagram ................................................................ 5-3
PCB Layout Top View ...................................................... 5-4
PCB Layout Bottom View ................................................ 5-4
Electrical Parts List .......................................................... 5-5
5-1

FTD DISPLAY PIN ASSIGNMENT

3G 2G
L R
C
SL Sub SR
4G 5G
1G 2G 3G 4G
a
P1 Pr o g r am
DIGITAL
R
P2 Sl eep ProLogic b
C
P3 h
St er eo
L
j
P4
SL
P5 k
P6 Sub f
SR g
P7
m
P8
e
P9
r
P10
p
P11
n
P12
c
P13
P14 d
P15
P16

PIN CONNECTION

1 2 3 4 5 6 7 8 9 1 1 1 1
PIN NO.
0 1 2 3
F F N 1 2 3 4 5 6 7 8 9 10 11
CONNECTION
1 2 P G G G G G G G G G G
## Note ##
1. Fn: Filament pin
2. nG : Grid pin
3. Pn : Anode pin
4. NP : No Pin
5. NC : No Connection pin
5-1
1G
6G 7G 8G 9G 10G 11G
a
f b
h j k
g
m
e r p n c
d
(4G-11G)
5G 6G 7G 8G 9G 10G
a a a a a a
b b b b b b
h h h h h h
j j j j j j
k k k k k k
f f f f f f
g g g g g g
m m m m m m
e e e e e e
r r r r r r
p p p p p p
n n n n n n
c c c c c c
d d d d d d
Dp
Co l
1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3
4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2
N N P P P P P P P P P P P P P P P P
G C C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
11G
a
b
h
j
k
f
g
m
e
r
p
n
c
d
MHz
K Hz
3 3 3
3 4 5
N F F
P 2 2