4 Troubleshooting
4-1
4 Troubleshooting
4-1 No Power
When Pin 4 of CN600 is 0V,
does proper DC 14V,5V
appear at Pin 2 and 7,9 of
CN600 separately?
Change IP Board.
Check Function Ass'y.
Yes
Yes
No
When Pin 1 of IC601 is DC 5V
does proper DC3.3V appear at
Pin 3 of IC603?
Check IC601 and rerated circuit.
Yes
No
When Pin 3 of IC602 is DC 5V
does proper DC1.8V appear at
Pin 2 of IC602?
Check IC602 and related circuit.
No
Notes:
1. Before troubleshooting, setup the PC
'
s display as below.
•
Resolution: 1280 x 1024
•
H-frequency: 64 kHz
•
V-frequency: 60 Hz
2. If no picture appears, make sure the power cord is correctly connected.
3. Check the following circuits.
•
No raster appears: Function PBA, Main PBA, I/P PBA
•
5V develop but no screen: Main PBA
•
5V does not develop: I/P PBA
4. If you select Brightness adjust menu and push the
"
(Enter/Source)" button for
5 seconds, the monitor automatically returns to factory reset.
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 ...