Philips MX3550D/37S, Руководство по обслуживанию

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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
PIN CONNECTION
## Note ##
1. Fn: Filament pin
2. nG : Grid pin
3. Pn : Anode pin
4. NP : No Pin
5. NC : No Connection pin
PIN NO.
CONNECTION
1
F
1
2
F
2
3
N
P
4
1
G
5
2
G
6
3
G
7
4
G
8
5
G
9
6
G
1
0
7
G
1
1
8
G
1
2
9
G
1
3
10
G
1
4
11
G
1
5
N
C
1
6
N
C
1
7
P
1
1
8
P
2
1
9
P
3
2
0
P
4
2
1
P
5
2
2
P
6
2
3
P
7
2
4
P
8
2
5
P
9
2
6
P
10
2
7
P
11
2
8
P
12
2
9
P
13
3
0
P
14
3
1
P
15
3
2
P
16
3
3
N
P
3
4
F
2
3
5
F
2
5-1
a
b
h j k
f
g
m
e r p n c
d
(4G-11G)
3G 2G 1G
4G 5G 6G 7G 8G 9G 10G 11G
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G
Pr o g r am
Sl eep
DIGITAL
ProLogic
St er eo
L
C
R
SL
Sub
SR
a
b
h
j
k
f
g
m
e
r
p
n
c
d
a
b
h
j
k
f
g
m
e
r
p
n
c
d
a
b
h
j
k
f
g
m
e
r
p
n
c
d
a
b
h
j
k
f
g
m
e
r
p
n
c
d
a
b
h
j
k
f
g
m
e
r
p
n
c
d
a
b
h
j
k
f
g
m
e
r
p
n
c
d
a
b
h
j
k
f
g
m
e
r
p
n
c
d
a
b
h
j
k
f
g
m
e
r
p
n
c
d
Co l
Dp
MHz
K Hz
L C
R
SL
Sub
SR