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Troubleshooting
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Check the MAIN Board (Input Selecting Stage)
Timing Chart
INPUT
SIGNAL
_Y
INPUT
SIGNAL
_PB
INPUT
SIGNAL
_PR
TP8207
RED
TP8208
GREEN
TP8209
BLUE
H_DIF
V_DIF
DE_DIF
DIFCLK
BO_DVI
GO_DVI
RO_DVI
BE_DVI
GE_DVI
RE_DVI
IC8213
C_SYNC
H_SYNC
IC1261
V_SYNC
IC1261
1
IC218
DELAY LINE.
<DS1021>
ANALOG INPUT
15
FOR "PC"
PARALLEL
IIC_SCL/SDA
7
IC8209
CLK GEN.
17
<ICS1523>
TP201
IC201
IC1241
L1201
R
LPF
TP202
IC202
IC1242
L1202
G
LPF
TP203
IC203
IC1243
L1203
B
LPF
ANALOG INPUT
IC1264
IC1264
IC1263
IC2252
IC2201
IC2202
DVI
BUFFER
LATCH
IC2211
IC2212
DVI
BUFFER
LATCH
IC2221
IC2222
DVI
BUFFER
LATCH
IC2231
IC2232
DVI
BUFFER
LATCH
IC1261
IC1264
IIC_SCL/SDA
IC8208
IC1261
IC1264
CLAMP
<LT1260>
TP8204
44
5
TP8205
12
<AD9888>
TP8206
20
IC1276
TP9203
IC1201
IC9206
9
TP9202
IC1202
IC9205
IC1203
IC9204
9
FOR "AV"
IC9271
9
CLAMP
<LT1260>
TP9201
-56-
W_HS
W_VS
W_DE
DVI_SW
BA/GA
GA/RA
BB/GB
RB
CHS
CNT_HS
37
IC271
FREQ.
COUNTER
<CXA2151>
SW_HS
VS_IN
125
IC1276
123
IC8201
RA/RB/GA/GB/BA/BB
A/D
SCL/SDA_PW
AD_CLK
RY
BA/RA
GA/BA
BY
AV_SW
YCV
LAMP CONTROL
TO BALLAST
CONTROL LINE
FROM CPU
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