Service Manual
II
Description
I
1/0
Name
"Function
No.
I
I
I
I
MVPRT
Video transparency control signal
2
MVR7
'
3
MVR6
4
I
MVR5 Video red color data
5
MVR4
6
MVR3
7
-
vee
Power supply
8
-
VSS
Ground
9
MVG7
10
MVG6
11
I
MVG5
Video green color data
12
MVG4
13
MVG3
14
I
MVB7 Video blue color data
15
-
vss
Ground
16
MVB6
17
MVB5
Video blue color data
I
18
MVB4
19
MVB3
20
AAl
21
I
AA2
A-BUS address bus
22 AA3
23
-
VSS Ground
24
AA4
25 AA16
A-BUS address bus I
26 AA17
27
AA18
28
I
AeS2
Chip select signal from A-BUS
29
I WTRS
Wait control signal used to transfer MPEG video frame data
30
-
vss
Ground
31
0 FDACK MPEG video frame data transfer control signal
32
0
MVCS MPEG video chip select signal
33
0 MACS MPEG audio chip select signal
34
0 TP5 Test pin
35
-
vee
Power supply
36
-
vss
Ground
37
I RESET Gate array system reset signal
38
I
MABieK
Sync clock used to transfer MPEG audio serial data
39
I
MASDATAI MPEG audio serial data signal
40
I
MALRCLK Clock used to detect MPEG audio serial data L/R
41
I TP2
Test pin
42
I
seS6
SH chip select 6
43
-
vss
Ground
44
SDLO
45
SDLI
46
I SDL2
SH uP
subdata bus
47
SDL3
48
SDL4
49
-
vee
Power supply
50
-
VSS Ground
51
SDLS
52
SDL6
53
SDL7
SH uP
subdata bus
I
SDLB
54
55
SDL9
56
SDLIO
-67-