
SyncMaster 570sTFT / 580sTFT
4-1
4 Troubleshooting
Notes:
1. Before troubleshooting, setup the PC’s display as below.
• Resolution: 1024 x 768
• H-frequency: 48 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: Audio PCB, SMPS PCB, Main PCB
• 12V develop but no screen: Main PCB
• 12V does not develop: Audio PCB, SMPS PCB
4. If you push and hold the “EXIT” button for more than 5 seconds, the monitor automatically turns back
to the factory preset.
4-1 No Power (CN15LSS/LOS) (CN15LSB/LOB)
Does proper DC 12 V appear at
DC jack connected to CN101?
Check SMPS or CN809.
Yes
No
Does proper DC 3.3 V appear at
Pin 4 of IC104?
Check IC104.
Check IC102, IC104, Q101 or
IC105, IC106
Yes
No
All manuals and user guides at all-guides.com
Содержание SyncMaster 570S TFT
Страница 13: ...3 Disassembly and Reassembly SyncMaster 570sTFT 580sTFT 3 5 MEMO All manuals and user guides at all guides com ...
Страница 48: ...6 Electrical Parts List 6 18 SyncMaster 570sTFT 580sTFT Memo All manuals and user guides at all guides com ...
Страница 52: ...SyncMaster 570sTFT 580sTFT 8 1 8 Wiring Diagram All manuals and user guides at all guides com ...