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Troubleshooting
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Check the terminal board_DVI
DATA
DDC
R
G
B
H
V
AUDIO
INPUT
CONTROL
PORT
Check the terminal board_COMPONENT
R/Pr
G/Y
B/Pb
H/HV
V
AUDIO
INPUT
CONTROL
PORT
DVI BOARD
IC8194 / 96 / 97 /99
DDC_CLK/DATA
BUS SW
IC8195
IC8193
EEPROM
EEPROM
FOR HDCP
FOR PC
R
G
G_SYNC
B
TP80H
3
IC8021
H
SYNC
2
SEP.
V
5
<BA7078>
TP80V
Audio-L
Audio-R
IC8141
RS232C
9
8
4
DRIVER
R
G
B
3
IC2001
5
BUFFER
7
<AD8075>
G_SYNC
3
IC1051
H_SYNC
2
SYNC
SEP.
V_SYNC
5
<BA7078>
C_SYNC
V
Audio-L
Audio-R
IC3031
9
RS232C
8
DRIVER
- 54 -
Check the Vcc voltages.
S9V
9V / 5VB / -5V
Check the test points.
IC8071,IC8072,IC8073
DVI BUFFER
IC8001
DVI
INTERFACE
<SII169CT100>
SCL/SDA
IC8182
TP80R
I/O EXPANDER
I/O EXPANDER
TP80G
TP80B
13
IC8041
9
7
2
11
AFC
<LA7217>
5
4
SCART_SW
IC8151
IC8152
MOUSE SW, RC
MOUSE
MOUSE
INTERFACE
DECORDER
Check the Vcc voltages.
S9V
9V / 5VB / -5V
(Switched)
Check the test points.
IC2082
EEPROM
12
10
IC2071
8
SW
14
R-Y
1
<AD8183>
FILTER
12
Y
3
30MHz
10
B-Y
5
13
11
13
1
IC1061
AFC
11
10
<TA1318>
2
9
IC2051
2
SYNC
IC2052
5
SEP.
FLIPFLOP
<LA7217>
1
<74LS221>
4
IC3051
IC3061
MOUSE SW, RC
MOUSE
MOUSE
INTERFACE
DECORDER
(Always)
(Switched)
H, V, DE
IC8020
BUFFER
CLK
SCL/SDA
IC8181
R
G
B
CS
IC8051
A_HS
3,6
SW
<QS3125>
A_VS
L
R
(Always)
SCL/SDA
IC2081
I/O EXPANDER
TP2071
R
20
TP2072
G
18
TP2073
B
16
3
HS
5
15
2
VS
13
14
12
12
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