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 27 of CN1001?
Yes
Check LVDS
cable connected.
If necessary replace the
T-con board.
No
Change the main board.
No
Check 30p cable.
If necessary, replace the
SMPS board.
Yes
B13V appear at the
pin 9 of CN1001?
No
Change the main board.
Please, contact Tech
support
Summary of Contents for UE B7000WW Series
Page 7: ...1 4 1 Precautions Memo...
Page 281: ...4 3 4 Troubleshooting...
Page 287: ...4 9 4 Troubleshooting PIN27 A5V PIN23 B12VS PIN15 B5V PIN9 B13V...
Page 289: ...4 11 4 Troubleshooting WAVEFORMS 1 2 PC Input V Sync H Sync 3 LVDS Out CLK...
Page 293: ...4 15 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar 6 Eagle Out Clk H Sync...
Page 295: ...4 17 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar 7 TS DATA Out Clk Data 0...
Page 297: ...4 19 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar...
Page 299: ...4 21 4 Troubleshooting WAVEFORMS 5 Tuner CVBS Out Pattern Grey Bar 9 Component Input Y Pb...