Front Board - Philips FW-C330 Service Manual

6-1

FRONT BOARD

TABLE OF CONTENTS
FTD Display pin connection ............................................ 6-1
Variation Tables ............................................................... 6-2
Circuit Diagram - Karaoke part ........................................ 6-3
Circuit Diagram - Microprocessor part ............................ 6-4
Circuit Diagram - Headphone / Miscellaneous part ........ 6-5
Component Layout .......................................................... 6-6
Chip Layout ...................................................................... 6-7
Electrical Parts List .......................................................... 6-8
FTD DISPLAY PIN CONNECTIONS
1G 2G 3G 4G
11G
a
j
f b
h
k
g m
Col 1
B5
B4
n
r
c
e B3
p
B2
B1
d
Dp
(2G - 9G)
12G 11G 10G 9G
P1 B1 B1 a
B2 B2 h
P2
(Left)
B3 j , p
P3 B3
(Middle)
B4 B4 k
P4
(Right)
B5 b
P5 B5
(Up)
P6 B6 f
B7 m
P7
P8 B8 g
B9 c
P9
(1)
(Low)
B10
P10 e
(2)
B11 r
P11
(3)
B12 n
P12
- B13 d
P13
-
P14 -
P15 - -
- - -
P16 -
FTD DISPLAY PIN NO. 3 3 3 3 3 3 3 3
9 8 7 6 5 4 3 2
FUNCTION F - - - 1 2 3 4
G
2 G G G G
6-1
5G 6G 7G 8G 9G 10G
12G 11G
B5
B4
B3
B2
B1
(12G)
B10
B9
B13
B8
B7 B12
B6 B11
(11G)
8G 7G 6G 5G 4G 3G
a a
a a a a
h h h h h h
j , p j , p j , p j , p j , p j , p
k k k k k k
b b b b b b
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 - - - -
- Dp - - - -
- - - - - -
3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
5 6 7 8 9 10 11 12 - - - P P P P P P P P P P P
G G G G G G G 1 2 3 4 5 6 7 8 9 10 11
B10 B5
B9 B4
B8 B3
B7 B2
B6 B1
2G 1G
a
h
j , p
k
b
f
m
g
c
e
r
n
d
-
-
-
9 8 7 6 5 4 3 2 1
P P P P P - - - F
1
12 13 14 15 16