4 Troubleshooting
4-7
4-2-4 No Picture (Tuner_CVBS)
Dose the signal appear
at R110?
Check a B+ voltage (#6 of Tuner) 5V,
change a main PCB ass'y
Yes
Does the signal appear at
#8 of IC500?
Change a main PCB ass'y.
Yes
Does the digital data appear
at output of
R563_OP~R572_OP?
Check a IC500.
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
Check a LVDS cable?
Replacea lcd panel?
Please, Call to Samsung Co. LTD.
No
4
4
3
Содержание LA26R71B
Страница 6: ...Memo 1 Precautions 1 4 ...
Страница 22: ...4 Troubleshooting 4 4 WAVEFORMS 1 R G B Output Signal of IC500 ...
Страница 24: ...4 Troubleshooting 4 6 2 Digital Output Data of IC500 3 Signal of HDMI Data ...
Страница 26: ...4 Troubleshooting 4 8 WAVEFORMS 4 Tuner_CVBS Output Signal 3 CVBS Output Signal ...
Страница 28: ...4 Troubleshooting 4 10 WAVEFORMS 4 CVBS Output Signal ...
Страница 30: ...4 Troubleshooting 4 12 2 Digital Output Data of IC500 5 Analog Signal Y C to IC500 WAVEFORMS ...
Страница 32: ...4 Troubleshooting 4 14 WAVEFORMS 6 The Signal are Inputed to IC603 7 DC 12V ...
Страница 51: ...7 Block Diagrams 7 1 7 Block Diagram This Document can not be used without Samsung s authorization ...
Страница 52: ...7 Block Diagrams 7 2 Memo ...
Страница 53: ...8 1 8 Wiring Diagrams 8 Wiring Diagram 8 1 LA26R71B LA32R71B LA40R71B Wiring Diagram ...
Страница 54: ...8 Wiring Diagrams 8 2 8 2 Main Board Layout ...
Страница 57: ...8 5 8 Wiring Diagrams ...
Страница 58: ...8 Wiring Diagrams 8 6 8 4 Power Board Layout ...
Страница 61: ...8 9 8 Wiring Diagrams ...
Страница 64: ...8 Wiring Diagrams 8 12 Memo ...
Страница 70: ...9 Schematic Diagrams 9 6 Memo ...