4 Troubleshooting
4-2
X201 oscillate properly?
4-2 No Video (PC Analog Signal)
1
Replace or check related circuit.
Check signal cable connection and
power.
Yes
No
Is there R, G, B input at
R127, R125 and R118?
Check input part.
Yes
No
Is there Hsync, Vsync waveform
at R115, R112?
Check input part.
No
Yes
Is there Hsync, Vsync waveform
at Pin 40, 41 of IC202?
Check IC202 and related circuit.
No
Yes
Dose proper DC 5V appear
at Pin 2 of IC602?
Check Panel Cable.
No
Yes
Does the output signal
appear at Pin 8~13,15,
16, 18~23, 25~30 of CN602?
Check IC202, IC602, CN4003 and
related circuit.
No
Yes
Replace LCD Panel.
(Perform Automatic Color Adjustment)
2
2
3
3
Содержание Lacie720
Страница 8: ...1 Precautions 1 4 Memo ...
Страница 16: ...Memo 2 Product Specifications 2 8 ...
Страница 22: ...3 Alignments and Adjustments 3 6 Memo ...
Страница 25: ...4 Troubleshooting 4 3 WAVEFORMS Figure 1 PC Analog signal Waveforms ...
Страница 27: ...4 Troubleshooting 4 5 WAVEFORMS Figure 2 PC Digital Signal Waveforms ...
Страница 28: ...4 Troubleshooting 4 6 4 4 Main Circuit and Each Part Number Figure 3 Main Circuit ...
Страница 50: ...7 Block Diagrams 7 2 7 2 Power Board Figure 2 Power Board Block Diagram ...
Страница 51: ...8 Wiring Diagram 8 1 8 Wiring Diagram ...
Страница 52: ...8 Wiring Diagram 8 2 Memo ...
Страница 53: ...9 Schematic Diagrams 9 1 9 Schematic Diagrams This Document can not be used without Samsung s authorization ...
Страница 54: ...9 Schematic Diagrams 9 2 This Document can not be used without Samsung s authorization ...
Страница 55: ...9 Schematic Diagrams 9 3 This Document can not be used without Samsung s authorization ...
Страница 56: ...9 Schematic Diagrams 9 4 This Document can not be used without Samsung s authorization ...
Страница 57: ...9 Schematic Diagrams 9 5 This Document can not be used without Samsung s authorization ...
Страница 58: ...Memo 9 Schematic Diagrams 9 6 ...
Страница 64: ...10 Operating Instructions and Installation 10 6 Memo ...
Страница 69: ...12 PCB Daigram 12 1 12 PCB Diagram 12 1 Main Board Part Description ...
Страница 70: ...12 PCB Diagram 12 2 12 2 Main Board Part Number ...
Страница 72: ...13 Circuit Descriptions 13 2 Memo ...