4 Troubleshooting
4-2
X1 oscillate proprely?
4-2 No Video (ANALOG)
1
Replace or check related circuit.
Check signal cable connection and
power.
Yes
No
Is there R,G,B input at
R111,R114 and R118?
Check input part.
Yes
No
Is there Hsync, Vsync waveform
at Pin 32,33 of IC200?
Check IC200 and related circuit.
No
2
3
Yes
Does the output signal appear
at Pin 17~20, 22~27 of CN400?
Check CN400 and related circuit.
No
Yes
There are DC 5V at Pin 1,
2 and 3 of CN400?
Check PANEL_EN SIGNAL at R223
is High(On:High) and BL_EN signal
at R601(ON:Low) is Low
No
Yes
Replace LCD Panel.
Содержание SyncMaster 932BF
Страница 6: ...10 Operating Instructions and Installation 10 4 Memo ...
Страница 16: ...11 Disassembly and Reassembly 11 10 Memo ...
Страница 23: ...12 PCB Layout 12 1 12 PCB Diagram 12 1 Main PCB Layout ...
Страница 24: ...12 PCB Layout 12 2 Memo ...
Страница 36: ...Memo 14 Reference Infomation 14 12 ...
Страница 40: ...2 Product Specifications 2 4 Memo ...
Страница 43: ...4 Troubleshooting 4 3 1 WAVEFORMS 2 3 ...
Страница 45: ...4 Troubleshooting 4 5 1 WAVEFORMS 5 4 6 ...
Страница 46: ...4 Troubleshooting 4 6 Memo ...
Страница 55: ...7 Block Diagrams 7 1 7 Block Diagram 7 1 Power Tree ...
Страница 56: ...7 Block Diagrams 7 2 7 2 Main Board Part ...
Страница 57: ...7 3 IP Board Part SMPS Part 7 Block Diagrams 7 3 ...
Страница 58: ...7 4 IP Board Part Inverter Part 7 Block Diagrams 7 4 ...
Страница 62: ...1 Precautions 1 4 Memo ...
Страница 65: ...13 Circuit Descriptions 13 3 13 1 3 IP BOARD BLOCK POWER Parts 13 1 4 IP BOARD BLOCK INVERTER Parts ...
Страница 69: ...13 Circuit Descriptions 13 7 13 3 IP BOARD Power Schematic Diagrams ...
Страница 70: ...13 Circuit Descriptions 13 8 13 4 IP BOARD Inverter Schematic Diagrams ...
Страница 72: ...9 Schematic Diagrams 9 2 1 2 3 4 5 6 ...
Страница 74: ...8 Wiring Diagram 8 2 Memo ...