Front Display Board - Philips MC-77/22 Service Manual

Front Display Board

TABLE OF CONTENTS
FTD Display pins connection ........................................... 6-1
Circuit diagram ................................................................. 6-2
Components & Chips Layout ........................................... 6-3
Electrical parts list ............................................................ 6-4
6-1
stage .1
1G 3G 4G 5G
2G
13G
a
f h j k b
g
m
Col
e n c
r p
Dp
d
2G - 9G
B7 B6 B5 B4 B3 B2 B1 B10 B9 B8
B11
B8
11G
1G 2G 3G 4G 5G 6G
- a a a a
P1
- h h h h
P2
j , p j , p j , p j , p
P3 j , p
P4 k k k k
P5 b b b b
f f f f
P6
- m m m m
P7
g g g
P8 g
P9 S1 c c c c
P10 S2 e e e e
S3 r r r r
P11
S4 n n n n
P12
d d d
P13 - d
P14 -
P15 - - - -
- - - -
P16
PIN NO. 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3
4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
CONNECTION F F - - - - P P P P P P P P -
2 2 16 15 14 13 12 11 10 9
6-1
6G 7G 10G
8G 9G
12G 11G
S1
S4
S2
S3
1G
B7 B6 B5 B4 B3 B2 B1 B7 B6 B5 B4 B3 B2
B8
12G 13G
7G 8G 9G 10G 11G 12G
a a a a B1
h h h B2
h
B3
j , p j , p j , p
k k k k B1 B4
b b b b B2 B5
f f f f B3 B6
m m m m B4 B7
g B8
g g g B5
c c c c B6 B9
e e e e B7 B10
r r r r - -
n n n n B8 B11
d -
d d d
-
Col - -
- Dp - - - -
2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 9 8
9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
- P P P P P P P P - 1 2 3 4 5 6 7 8 9 10 11 12
8 7 6 5 4 3 2 1 G G G G G G G G G G G G
B1
13G
-
-
-
B1
B2
B3
B4
B5
B6
B7
B8
-
-
-
-
7 6 5 4 3 2 1
13 - - - - F F
G 1 1