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Troubleshooting
7XQHU ± 7URXEOHVKRRWLQJ IORZ
Analog RF input no picture
Check RF source cable
and antenna, OK?
OK
Check JL1003 =
+3.3V?
+3 3V?
OK
Check R1030 =
Check R1030 =
+3.3V?
OK
Raster, OK?
OK
T
Tuning, OK?
i
OK?
NG
Change B* board
NG
Change RF cable and antenna
NG
Change B* board
NG
Change B* board
NG
OK
between B* board,
./9
(;
(;
NG
Check LVDS
harness
connection
OK?
Reconnect LVDS cable
or change new LVDS
OK
$ (;
%
(;
(;
Size
B* Board Type
32"
BWM
40''
BFM
cable
$ (;
%
50 *$
44
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