4 Troubleshooting
4-4
X201 oscillate properly?
4-3 No Video (PC Digital Signal)
1
Replace or check related circuit.
Check signal cable connection and
power.
Yes
No
Is there input
R G B data
RA1 (1, 3, 5, 7 PIN) and
RA2 (1, 3 PIN)?
Check input part.
Yes
No
Is there waveform
at RA2 (5, 7 PIN)?
Check input part.
No
Yes
Is there R, G, B input at
RA1 (1, 3, 5, 7 PIN) and
RA2 (1, 3 PIN)?
Check input part.
No
Yes
Does the output signal
appear at Pin 8~13,
15, 16, 18~23 and 25~30
of CN4003?
Check IC202, IC602, CN4003
and related circuit.
No
Yes
Replace LCD Panel.
(Perform Automatic Color Adjustment)
7
6
5
4
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 ...