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Service Manual

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No.
1/0
Pin
Name
Function
64
1!0
EXBGI5
External input data bit
I5
I Test input/output (in test mode)
65
1/0
EXBGI6
External input data bit
I6/
Test input/output (in test mode)
66
1/0
EXBG17
External input data bit
17
I Test input/output (in test mode)
67
- YSS GND
68
I
1/0
EXBG18
External input data bit
18/
Test input/output (in test mode)
69
I/0
EXBG19 External input data bit
19/
Test input/output (in test mode)
70
1/0
EXBG20
External input data bit 20 I Test input/output (in test mode)
71
1/0
EXBG21 External input data bit
21
I Test input/output (in test mode)
72
I/0
EXBG22 External input data bit 22 I Test input/output (in test mode)
73
I/0
EXBG23
External input data bit 23
I Test input/output (in test mode)
74 I
EXON
External input data display timing
75
-
YDD
+5Y power supply
76
I
CLK
Main clock input
77
0
EXSL
External video select signal
78
I
RESET
Initial reset input
79
I NTSC NTSC/PAL selection
80
-
YSS GND
81
-
AYSS
GND
of
linear RGB
82
0
R
Linear R output
83
0 G
Linear G output
84
0
B
Linear B output
85
-
AYDD +5Y power supply
of
linear RGB
86
0
CSYNC
Composite sync signal output
87
0
YSYNC
Vertical sync signal output
88
0
HSYNC
Horizontal sync signal output
89
-
YDD +5Y power supply
90
0
DCLK
Dot clock output
91
0
HTIM
YDP1 interface H timing
92
0
YTIM
YDP1 interface Y timing
93
1/0
FBDO
YDP1 interface data bit 0
94
1/0
FBDI
YDPI interface data bit I
95
1/0 FBD2 YDP1 interface data bit 2
96
1/0 FBD3
YDPl
interface data bit 3
97
-
YSS
GND
98
I/0
FBD4 YDPI interface data bit 4
99
1/0 FBD5 YDPl interface data bit 5
100
1/0 FBD6
YDPl
interface data bit 6
101
I/0
FBD7 YDPI interface data bit 7
102
0
RAAO
VRAM-
A address bit 0
103
0
RAAl
YRAM-
A address bit I
104
0
RAA2
VRAM-
A address bit 2
105
0
RAA3
VRAM-
A address bit 3
106
-
vss
GND
107
0
RAA4
·-
VRAM-
A address bit 4
108
0
RAA5
VRAM-A
address bit 5
109 0 RAA6
VRAM-
A address bit 6
110 0 RAA7
VRAM-
A address bit 7
I
II
-
VDD +5V power supply
112
0 RAA8
VRAM-
A address bit 8
Il3
0
RAA9
YRAM-
A address bit 9
·-
114
0
RACS
VRAM=A chip select
115
0
RARAS
VRAM-
A row address strobe
116
-
vss
GND
ll7
0
RACAS
VRAM-
A column address strobe
118
0
RAWE
VRAM-
A write enabie
119
0 RALDM
VRAM-
A
DQ
low-
order mask enable
120 0 RAUDM
VRAM-
A
DQ
high-
order mask enable
I2I
I/0
RADO
VRAM-
A data bit 0
122
1/0
RADI
VRAM-
A data bit 1
123
1/0
RAD2
VRAM-
A data bit 2
124
1/0
RAD3
VRAM-
A data bit 3
125
-
vss
GND
126
I/0
RAD4
VRAM-
A data bit 4
-50-