4-3
4. Troubleshooting
4-1-2. No Video (Analog PC signal)
Symptom
Audio is normal but no picture is displayed on the screen.
-
Major
checkpoints
Check the PC source
Check the SEMS01
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
-
-
Diagnostics
No
PC cable. Change a PC cable.
No
Does the digital data appear at the
output of LVDS (RA5012~13)?
Power Indicator is off.
Lamp on, no video.
No
Check a PC source and check
the connection of DSUB cable?
Check a IC5001.
Change a main PCB ass’y
Yes
Does the signal appear at BD3014,
3015, 3016 (R, G, B)?
Please, Call to Samsung Co. LTD.
No
Check a LVDS cable?
Replace a lcd panel?
Yes
Yes
Input a analog PC signal and
connected cable(DPMS).
Yes
1
2
Caution
Make sure to disconnect the power before working on the SMPS/IP.
Содержание LE19A65 A Series
Страница 53: ...1 4 1 Precautions Memo ...
Страница 63: ...4 4 4 Troubleshooting WAVEFORMS 1 R G B Output Signal ...
Страница 65: ...4 6 4 Troubleshooting WAVEFORMS 2 Digital Output Data 3 Signal of HDMI Data ...
Страница 67: ...4 8 4 Troubleshooting WAVEFORMS 3 CVBS Output Signal 4 Tuner_CVBS Output Signal ...
Страница 69: ...4 10 4 Troubleshooting WAVEFORMS 6 The Signal are Inputed to IC2002 7 The Signal are Inputed to IC2001 ...
Страница 89: ...6 4 6 Wiring Diagram 6 2 Wiring Picture 6 2 1 LE19A656A 6 2 2 LE19A651A ...
Страница 90: ...6 5 6 Wiring Diagram 6 2 3 LE22A656A 6 2 4 LE19A651A ...
Страница 92: ...6 7 6 Wiring Diagram 6 4 Cables Code BN39 00953D 30P 200mm Photo ...
Страница 93: ...6 8 6 Wiring Diagram Memo ...