D8MW
28
TROUBLESHOOTING FLOWCHARTS
How to get to Burn-in mode
This mode displays the test patterns of some single color raster in turn. These signals are from built-in gener-
ator of panel. So it can be presumed that maybe the panel has some trouble when the screen of Burn-in
mode is abnormal.
Using the remote control with the set turned on can activate the mode.
(1) Set the service adjustment mode.
(2) Change No.646 from “0” to “1”. After a few second, appear the burn-in picture.
(3) To escape from this mode, change No.646 from “1” to “0”.
At first, please confirm whether you put a connector cable again, and a phenomenon comes out.
[no picture, no sound]
LED is not light.
Is the voltage of
pin 5 (+5.4V) of CNPS
(power supply unit)
normal?
It is trouble of Main PWB
or Power supply unit.
Please change.
No
It is trouble of Main PWB or
Terminal PWB.
Picture trouble Go to “A”
Sound trouble Go to “B”
Yes
Содержание UltraVision UT47V702
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Страница 44: ...D8MW 43 Wiring Diagram page 11 9 ޣݙ GPVTCN NGHV ENQUGWR ޤ GPVGTNKPG 52 5 52 52 ...
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Страница 89: ...D8MW PRINTED CIRCUIT BOARDS 88 page 1 5 Main board components side ...
Страница 90: ...D8MW PRINTED CIRCUIT BOARDS 89 page 2 5 Main board solder side ...
Страница 91: ...D8MW PRINTED CIRCUIT BOARDS 90 page 3 5 Terminal board Component side Terminal board Solder side ...
Страница 93: ...D8MW PRINTED CIRCUIT BOARDS 92 page 5 5 Filter board Component side Filter board Solder side ...
Страница 96: ...PA NO 0240 MADE IN MEXICO ...