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.
Summary of Contents for SyncMaster 932BF
Page 6: ...10 Operating Instructions and Installation 10 4 Memo ...
Page 16: ...11 Disassembly and Reassembly 11 10 Memo ...
Page 23: ...12 PCB Layout 12 1 12 PCB Diagram 12 1 Main PCB Layout ...
Page 24: ...12 PCB Layout 12 2 Memo ...
Page 36: ...Memo 14 Reference Infomation 14 12 ...
Page 40: ...2 Product Specifications 2 4 Memo ...
Page 43: ...4 Troubleshooting 4 3 1 WAVEFORMS 2 3 ...
Page 45: ...4 Troubleshooting 4 5 1 WAVEFORMS 5 4 6 ...
Page 46: ...4 Troubleshooting 4 6 Memo ...
Page 55: ...7 Block Diagrams 7 1 7 Block Diagram 7 1 Power Tree ...
Page 56: ...7 Block Diagrams 7 2 7 2 Main Board Part ...
Page 57: ...7 3 IP Board Part SMPS Part 7 Block Diagrams 7 3 ...
Page 58: ...7 4 IP Board Part Inverter Part 7 Block Diagrams 7 4 ...
Page 62: ...1 Precautions 1 4 Memo ...
Page 69: ...13 Circuit Descriptions 13 7 13 3 IP BOARD Power Schematic Diagrams ...
Page 70: ...13 Circuit Descriptions 13 8 13 4 IP BOARD Inverter Schematic Diagrams ...
Page 72: ...9 Schematic Diagrams 9 2 1 2 3 4 5 6 ...
Page 74: ...8 Wiring Diagram 8 2 Memo ...