4 Troubleshooting
4-8
4-5 No Picture (Tuner DTV TS)
Check the RF source and
check the connection of RF
cable?
Input an RF signal.
Check the connected cable.
Yes
Check the RF source and
check the connection of
RF cable ?
Check CN501.
Check splitter cable connection.
Change the main PCB assembly
or splitter cable.
Yes
Does the digital data appear at
RA111, RA112 (TS data) and
RA113(sync,valid,clock)
Check TU112.
Change the main PCB assembly
or tuner.
Yes
Does the digital data appear
at output of RA031~033,
RA035,RA037,RA039 and
R031,R032,R033?
Check IC1001
Change the main PCB assembly
Yes
Yes
Power Indicator is off.
Lamp on, no picture.
No
No
No
No
Yes
Check the LVDS cable ?
Replace the LCD panel ?
Please, Contact 1 800 Samsung
No
7
8
Does the digital data
appear at output of R1034-7,
R1039,RA061~063,RA065,R
A067,RA068?
Check IC101
Change the main PCB assembly
Yes
Does the digital data appear
at output of RA071~RA712?
Check IC071
Change the main PCB assembly
No
No
6
7
Summary of Contents for LN-T4065F
Page 17: ...7 Block Diagrams 7 2 7 2 Audio Block Diagram ...
Page 18: ...13 Circuit Descriptions 13 1 13 Circuit Descriptions 13 1 Main Board Block Description ...
Page 19: ...13 Circuit Descriptions 13 2 13 2 Video Signal Path ...
Page 20: ...13 Circuit Descriptions 13 3 13 3 Audio Signal Path 13 3 Side AV Signal Path ...
Page 21: ...13 Circuit Descriptions 13 4 Menu ...
Page 112: ...5 Exploded View Parts List 5 3 M0014 M0013 M0013 T0003 M0215 T0175 5 3 LNT4665F Exploded View ...
Page 118: ...10 Operating Instructions and Installation 10 3 10 3 Remote Control ...
Page 121: ...12 PCB Diagram 12 2 12 2 IP BOARD Diagram 46 ...
Page 125: ...1 Precautions 1 4 Memo ...
Page 131: ...2 Product Specifications 2 6 Memo ...
Page 133: ...14 Reference Infomation 14 2 14 1 2 Supported Mode 1 ...
Page 158: ...4 Troubleshooting 4 3 WAVEFORMS 1 2 PC Input V Sync H Sync 3 LVDS Out CLK ...
Page 166: ...4 Troubleshooting 4 11 WAVEFORMS 6 Tuner CVBS Out Pattern Grey Bar 7 TS DATA Out Clk Data 0 ...
Page 173: ...4 Troubleshooting 4 18 Memo ...
Page 174: ...8 Wiring Diagrams 8 1 8 Wiring Diagram ...
Page 175: ...8 Wiring Diagrams 8 2 Memo ...