4 Troubleshooting
4-9
4-2-5 No Picture (Tuner DTV TS)
Does the digital data appear
at R123,R124,R125
(SIF,AFT,CVBS)?
Check TU101.
Change the main PCB
Ass'y or Tuner.
Yes
Does the digital data appear
at output of R916_FBE ~
R921FBE?
Check IC601.
Change the main PCB Ass'y.
Yes
Check the RF source and check
the connection of RF cable?
No
Input a RF signal.
check the connected cable.
No
No
Yes
Does the digital data appear
at output of R1001_FBE ~
R1017_FBE?
Check IC 901_FBE
Change the main PCB Ass'y.
No
Yes
Check the LVDS cable?
Replace the LCD panel?
Please, call to Samsung Co. LTD
No
7
2
3
Summary of Contents for LN23R71BAX
Page 22: ...3 Alignments and Adjustments 3 11 Picture 4 3 W B Patten ...
Page 29: ...4 Troubleshooting 4 4 WAVEFORMS 1 2 PC Input V Sync H Sync 3 LVDS Out CLK ...
Page 31: ...4 Troubleshooting 4 6 4 5 HDMI Input CLK WAVEFORMS ...
Page 33: ...4 Troubleshooting 4 8 WAVEFORMS 6 Tuner CVBS Out Pattern Grey Bar ...
Page 35: ...4 Troubleshooting 4 10 WAVEFORMS 7 TS DATA Out CLK DATA 0 8 Eagle Out CLK H Sync ...
Page 38: ...4 Troubleshooting 4 13 WAVEFORMS 9 S VIDEO Input Y C ...
Page 40: ...4 Troubleshooting 4 15 WAVEFORMS 10 Component Input Y Pb ...
Page 137: ...10 Operating Instructions and Installation 10 3 10 3 Remote Control ...
Page 144: ...12 PCB Diagram 12 1 12 PCB Diagram 12 1 Main PCB Diagram ...
Page 145: ...12 PCB Diagram 12 2 12 2 Power PCB Diagram 23 ...
Page 146: ...12 PCB Diagram 12 3 12 3 Power PCB Diagram 26 32 ...
Page 147: ...12 PCB Diagram 12 4 12 4 Power PCB Diagram 40 ...
Page 150: ...13 Circuit Descriptions 13 3 13 2 Main Block ...
Page 161: ...14 Reference Infomation 14 7 14 3 2 Supported Modes 1 ...
Page 162: ...14 Reference Infomation 14 8 14 3 3 Supported Modes 2 ...
Page 163: ...14 Reference Infomation 14 9 14 3 4 Supported Modes 3 ...