4 Troubleshooting
4-7
4-2-4 No Picture (Tuner_CVBS)
Dose the signal appear
at R5118?
Check a B+ voltage (#7 of Tuner) 5V,
change a main PCB ass'y
Yes
Does the signal appear at
#8 of IC4001?
Change a main PCB ass'y.
Yes
Does the digital data appear at
output of RA6053~5?
Check a IC4001.
Change a main PCB ass'y.
Yes
Power Indicator is off.
Lamp on, no picure.
No
Connect the RF cable and
check RF signal.
No
No
No
Yes
4
4
3
Yes
Check a LVDS cable?
Replace a lcd panel?
Please, Call to Samsung Co. LTD.
No
Does the digital data appear
at the output of IC4003
(RA6019_120Hz~6021_120Hz)?
Check IC4003
Change a main PCB ass'y.
No
Does the digital data appear
at the input of IC6003, 6004
(RA6001_120Hz~RA6003_120Hz,
RA6005_120Hz, RA6009_120Hz,
RA6016_120Hz, RA6018_120Hz)?
Check IC6005
Change a main PCB ass'y.
Yes
Does the digital data appear
at the out of L6001~12?
Check IC6003,4
Change a main PCB ass'y.
Yes
No
No
Summary of Contents for LE32M73BD
Page 3: ...Contents ...
Page 4: ...Contents ...
Page 5: ...3 ...
Page 22: ...13 Circuit Descriptions 13 2 13 1 2 Neo MOSEL Main Signal Flow ...
Page 23: ...13 Circuit Descriptions 13 3 13 2 DTV Signal Description ...
Page 24: ...13 Circuit Descriptions 13 4 13 3 DTV Signal Description Only for Italy ...
Page 30: ...13 Circuit Descriptions 13 10 13 5 2 CS4340 SPEC ...
Page 31: ...13 Circuit Descriptions 13 11 13 5 3 MX29LV320CB Flash Memory SPEC ...
Page 32: ...13 Circuit Descriptions 13 12 13 6 DTV MAIN Chipset Only for Italy 13 6 1 CX22496 SPEC ...
Page 33: ...13 Circuit Descriptions 13 13 13 6 2 UDA4330D Audio DAC SPEC ...
Page 34: ...Memo 13 Circuit Descriptions 13 14 ...
Page 36: ...7 Block Diagrams 7 2 7 2 Main Block Diagram ...
Page 37: ...7 Block Diagrams 7 3 7 3 DTV Block Diagram ...
Page 38: ...7 Block Diagrams 7 4 7 4 DTV Block Diagram Only for Italy ...
Page 39: ...7 Block Diagrams 7 5 7 5 32 SMPS Block ...
Page 40: ...7 Block Diagrams 7 6 7 6 40 46 IP Block ...
Page 56: ...Memo 14 Reference Infomation 14 16 ...
Page 68: ...10 Operating Instructions and Installation 12 Memo ...
Page 72: ...Memo 1 Precautions 1 4 ...
Page 214: ...6 Electrical Parts List 6 142 Memo ...
Page 218: ...4 Troubleshooting 4 4 WAVEFORMS 1 R G B Output Signal of IC500 ...
Page 220: ...4 Troubleshooting 4 6 2 Digital Output Data of IC500 3 Signal of HDMI Data ...
Page 222: ...4 Troubleshooting 4 8 WAVEFORMS 4 Tuner_CVBS Output Signal 3 CVBS Output Signal ...
Page 224: ...4 Troubleshooting 4 10 WAVEFORMS 4 CVBS Output Signal ...
Page 226: ...4 Troubleshooting 4 12 2 Digital Output Data of IC500 5 Analog Signal Y C to IC500 WAVEFORMS ...
Page 228: ...4 Troubleshooting 4 14 WAVEFORMS 6 The Signal are Inputed to IC1015 7 DC 12V ...
Page 252: ...11 Disassembly and Reassembly 11 6 Memo ...
Page 253: ...8 1 8 Wiring Diagrams 8 Wiring Diagram 8 1 Wiring Diagram ...
Page 264: ...8 Wiring Diagrams 8 12 Memo ...
Page 265: ...12 PCB Diagram 12 1 12 PCB Diagram 12 1 MOSEL Main PCB Diagram ...
Page 266: ...12 PCB Diagram 12 2 12 2 Neo MOSEL Main PCB Diagram ...
Page 268: ...9 Schematic Diagrams 9 2 9 2 Input Output Schematic Diagram ...
Page 269: ...9 Schematic Diagrams 9 3 9 3 Input Output Schematic Diagram ...
Page 270: ...9 Schematic Diagrams 9 4 9 4 Micom Schematic Diagram ...
Page 271: ...9 Schematic Diagrams 9 5 9 5 SVP PX Schematic Diagram ...
Page 272: ...9 Schematic Diagrams 9 6 9 6 Application Schematic Diagram ...
Page 273: ...9 Schematic Diagrams 9 7 9 7 FRCH 100Hz LVDS Schematic Diagram ...
Page 274: ...9 Schematic Diagrams 9 8 Memo ...