4-15
4. Troubleshooting
No Video (Tuner DTV)
Genoa-S
N
Refer to the next page to check the lacation such a CN201 or IC1001 SVC Manual mentioned.
Symptom
Audio is normal but no picture is displayed on the screen.
-
Major
checkpoints
Check the DTV source.
-
Check the Tuner, Check the Valencia.
-
This may happen when the LVDS cable connecting the Main Board and the Panel is
-
disconnected.
Caution
Make sure to disconnect the power before working on the PD board.
Diagnostics
Input the RF source properly.
Change the IC1001 or
the main PCB assembly.
Please, contact Tech support.
Change the TU702_FN or
the main PCB assembly.
No
No
No
No
Yes
Yes
Yes
Power indicator LED is off.
Lamp(Backlight) on, no video ?
Check a set in the ‘Stand-by mode’.
No
Yes
Check the RF source and
check the connection of RF cable ?
Does the digital data appear at
pin 14~42 of CN1601?
Check the LVDS cable?
Replace the T-con / LCD panel?
Does the signal appear at
pin11, 12 of TU702_FN?
2
1
Caution
Make sure to disconnect the power before working on the IP board.
Summary of Contents for UE D65 V Series
Page 45: ...4 7 4 Troubleshooting Location Main B A Detail A CN401 B IC801...
Page 46: ...4 8 4 Troubleshooting WAVEFORMS 1 PC input V sink H sink R G B 2 LVDS output...
Page 48: ...4 10 4 Troubleshooting Location Main B C A Detail A IC1001 B IC601 C CN1601...
Page 49: ...4 11 4 Troubleshooting WAVEFORMS 1 PC input V sink H sink R G B 2 LVDS output...
Page 51: ...4 13 4 Troubleshooting Location Main B C A Detail A IC1001 B TU702_FN C CN1601...
Page 52: ...4 14 4 Troubleshooting WAVEFORMS 1 CVBS OUT Grey Bar 2 LVDS output...
Page 54: ...4 16 4 Troubleshooting Location Main B C A Detail A IC1001 B TU702_FN C CN1601...
Page 55: ...4 17 4 Troubleshooting WAVEFORMS 1 LVDS output 2 CH_CLK CH_VALID...
Page 57: ...4 19 4 Troubleshooting Location Main C A B Detail A IC1001 B CN503_EU R505 C CN1601...
Page 58: ...4 20 4 Troubleshooting WAVEFORMS 1 CVBS OUT Grey Bar 2 LVDS output...
Page 61: ...4 23 4 Troubleshooting WAVEFORMS 1 Compnent_Y Gray scale Pb Pr Color bar 2 LVDS output...
Page 64: ...4 26 4 Troubleshooting WAVEFORMS 1 MCLK LRCLK PCM_I2C_DATA 2 Speaker Monitor OUT SPDIF OUT...