Sanyo PLC-XF46N - Page 57

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IC2142
I/O EXPANDER
IC2141
DAC
IC2143
EEPROM
SCL/SDA
IC4101
YUV
DEMATRIX
IC3141
CHROMA
DECODER
IC3131
PAL/SECAM
DELAY
IC3121
SECAM
DECODER
IC1101
3D Y/C
IC2101
3LINE
Y/C
IC5101
3D NR
TP-142
TP-5181
TP-3142
TP-5102
TP-5101
TP-141
TP-3141
AUDIO
INPUT
VIDEO_Y
BNC_Y
VIDEO_C
S_VIDEO
BNC_C
S_Y
Audio-L
Audio-R
K3101
CV
NTSC
PA L
SW SW
SW
SW
SW
SW
SW SW SW SW SW SW
BLK
IC141B
IC1141B
IC1141C
IC1181C IC2161B IC2161A
IC1181B
IC141A
IC1141A
IC141C
LPF
LPF BPF
S_C
LPF LPF
NTSC-Y
NTSC-C
PA L - C
CV-C
C
Y
C
R
R
HS
VS
TP-5182
G
TP-5183
B
G
B
Cb
Y
Cr
Y
Y/C-C
PA L - Y
SYNC SEP
IC1181A
IC2161C
SW
IC2151
IC7172
I/O EXPANDER
IC7261
MOUSE
DECORDER
IC7251
MOUSE
INTERFACE
IC7241
MOUSE
CONTROL
IC7192
BUS SW
IC7191
EEPROM
SCL/SDA
R
G
B
H
V
3
2
297
3,6
4
5
13
11
H
V
CS
DDC
HS
VS
L
R
11
SCL/SDA
IC7141
SYNC
SEP.
<BA7078>
IC7161
AFC
<LA7217>
IC7171
SW
<QS3125>
TP7104
TP7105
TP7103
TP7102
TP7101
R
G
B
IC7231
RS232C
DRIVER
AUDIO
INPUT
CONTROL
PORT
R
G
DDC
B
H
V
Audio-L
Audio-R
K71H
9
4
MOUSE SW, RC
8
IC7281
EEPROM
Check the terminal board-AV.
Check the terminal board-DSUB15.
INPUT
K131
Timing Chart
TP5101
TP3141
C
TP5102
TP3142
Y
TP5181
RED
TP5182
GREEN
TP5183
BLUE
Check the Vcc voltages.
S9V (Always)
9V / 5VB / -5V (Switched)
Check the test points.
Check the Vcc voltages.
S9V (Always)
9V / 5VB / -5V (Switched)
Check the test points.
Troubleshooting