4-2
4. Troubleshooting
Simple flow chart of malfunction
Yes
No
No
Does the TV turn on?
Can you see anything
on the screen?
Yes
Can you see
OSD menu running on
the screen?
Check LVDS cable connected
to Main Board.
If necessary, replace the
Main Board
Yes
Can you see Digital
Channel broadcast ?
No
Replace the Main Board
Check the Power Cord
Yes
No
No
is any sound of TV
when RF signal
connected?
Yes
A5V appear at
the pin 4 of CN201?
Yes
Check LVDS
cable connected.
If necessary replace the
T-con board.
No
Change the main board.
No
Check 28p cable.
If necessary, replace the
SMPS board.
Yes
B13V appear at the
pin 11, 12, 13 of
CN201?
No
Change the main board.
Please, contact Tech
support
Содержание UE D7000L Series
Страница 42: ...4 7 4 Troubleshooting Location Main B A Detail A CN401 B IC801...
Страница 43: ...4 8 4 Troubleshooting WAVEFORMS 1 PC input V sink H sink R G B 2 LVDS output...
Страница 45: ...4 10 4 Troubleshooting Location Main B C A Detail A IC1202 B IC601 C CN1601...
Страница 46: ...4 11 4 Troubleshooting WAVEFORMS 1 PC input V sink H sink R G B 2 LVDS output...
Страница 48: ...4 13 4 Troubleshooting Location Main B C A Detail A IC1202 B TU701_HN C CN1601...
Страница 49: ...4 14 4 Troubleshooting WAVEFORMS 1 CVBS OUT Grey Bar 2 LVDS output...
Страница 51: ...4 16 4 Troubleshooting Location Main B C A Detail A IC1202 B TU701_HN C CN1601...
Страница 52: ...4 17 4 Troubleshooting WAVEFORMS 1 LVDS output 2 CH_CLK CH_VALID...
Страница 54: ...4 19 4 Troubleshooting Location Main B C A Detail A IC1202 B R528 C CN1601...
Страница 55: ...4 20 4 Troubleshooting WAVEFORMS 1 CVBS OUT Grey Bar 2 LVDS output...
Страница 57: ...4 22 4 Troubleshooting Location Main B C A Detail A IC1202 B CN404 CN444 R437 R442 C CN1601...
Страница 58: ...4 23 4 Troubleshooting WAVEFORMS 1 Compnent_Y Gray scale Pb Pr Color bar 2 LVDS output...
Страница 61: ...4 26 4 Troubleshooting WAVEFORMS 1 MCLK LRCLK PCM_I2C_DATA 2 Speaker Monitor OUT SPDIF OUT...