Samsung 710N - SyncMaster 17" LCD Monitor Manuale di servizio - Pagina 16
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5 Troubleshooting
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 push and hold the " (Enter/Source)" button for more than 5 seconds, the monitor automatically returns
to the factory preset.
5-1-2 No Power (MJ17A*/MJ19A*/MJ17B*/MJ19B*)
When Pin 4 of CN600 is 0V
does proper DC 13V, 5V
appear at Pin 1, 2 and 6, 7 of
CN600 separately?
Yes
When Pin 4 of IC600 is DC 0.5V
does proper DC 0.5V appear at
Pin 5 and 6 of IC600?
Yes
When Pin 2, 3 of IC601 is
DC 3.3V does proper DC 4.3V
appear at Pin 1 of IC601?
Yes
When Pin 2, 3 of IC601 is
DC 4.3V does proper DC 2.5V
appear at Pin 4 of IC601?
* 0V means power on state.
When the monitor work well except DPMS and power switch off,
0V should be applied to number 4 of CN600.
5-2
Yes
❇
No
No
Check IC600 and related circuit.
No
Check IC601 and related circuit.
No
Check IC601 and related circuit.
Get other manuals https://www.bkmanuals.com
Check Function Ass'y.
Change IP Board.
MJ15AS*/MJ17AS*/MJ19AS*/
MJ15BS*/MJ17BS*/MJ19BS*