Question about Epson Viewsonic ViewPanel VE150M Monitor
I have problem with this monitor viewsonic ve150m flatscreen..i lent it to a friend of mine and he change the Hz to 200(stupid)!! he accepted the changes and since then the monitor goes white..i try to fixxed it but..nothingthe menu text its ok but it cant process the grafics.i opened the screen and check the electronic parts with multimeter but eeverything seems ok::.can anyone HELP me PLS..thanks for your help.
Are you still using the same computer that was set to 200Hz? If so,
start Windoze in safe mode and reset the display properties to 1024 x
768 60Hz. Reboot the computer and everything should be OK.
Does this model use an external ac adapter or an internal power supply? Twice I have seen a white screen caused by bad capacitors in the power supply. They may look good, but you should replace them anyway. Look in the 2ndary circuit of the power supply, you should see some capacitors that are (for example) 220uF 16 to 25V, 470uF 16 to 25V, 1000 uF 16 to 25V (all those capacitors could be 16V or 25V). Replace them and try the monitor again.
If it uses an ac adapter, try a different 12V adapter. Make sure it has the same or higher amperage rating. If you can't find one, you will have to measure the power going onto the board inside the unit while the adapter is plugged in and the monitor turned on. If it is less than 12V you need a new adapter.
If none of this helps, the panel or main board may be damaged. In most cases these two parts cannot be repaired.
Posted on Jan 22, 2009
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Oct 16, 2013 | Epson Viewsonic ViewPanel VE150M Monitor
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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