Question about Televison & Video
You will find your power supply is faulty, you only fixed the damage you haven't fixed the "Cause" this is a common trap, for inexperienced people, you see all electronic problems usually have two facets to them, the Cause of the problem and the damage done by that cause.
Say in the case of a bad capacitor, well the capacitor may well be faulty, but WHY, components usually do not self destruct, no, they must have some external influence working upon them to cause them to fail. Here is a senario, the capacitor is faulty, the reason the capacitor is faulty, is because a Diode in the Power Supply, has partially short circuited, and is allowing AC ripple current to flow through the capacitor as well as the pure DC, now capacitors HATE AC, it damages them, and they soon fail. Now if we only replaced that faulty capacitor, then the bad Diode will surekly destroy it again conversly, if we find the faulty Diode, and only replace that then before long the already damaged capacitor will eventually fail. So as you can see we must find, any damage and the "Cause" of the damage before we can say anything is fixed.
Now before one can do anything one MUST get a service manual, I have included the link for download below. use this to troubleshoot you issue.
Posted on Sep 09, 2010
White image = DMD non-operational = image processor dead - it can't be fixed, the entire mainboard must be replaced.
You can either buy a new mainboard directly from BenQ and replace it yourself or you can phone them at 866-600-2367 and they will recommend you your closest authorised repair shop.
Posted on Sep 08, 2010
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Posted on Jan 02, 2017
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