Repair LCD Projector Display speckled

We often confused and sometimes wondered what the different DLP projectors and LCD projectors, in the second function is the same tool that is projecting an image or display to a wall or screen, but the workings of these two tools is different. Many ordinary people call contraption project the image on the wall is an LCD projector

on this occasion I will say a little what was the cause of a speckled appearance DLP Projector, almost any type of projector if in the long term will certainly look grainy, is caused by damage to the DMD chip in the projector,

A lot of which causes DMD chip is damaged such as age, because the temperature of the projector is too hot, or because of human ie when the user turn off the projector when pressed the power button user immediately unplug the power the projector, this causes the projector is too hot, because at the time of the actual projector will shutdown cooling process by turning the fan / fan will be tight, if immediately revoked the power cable will be fatal in some components such as lights, power supply, or the projector DMD Chip
To change the DMD chip is necessary prudence because the components in the projector was prone primarily on the Colour Wheel prone to rupture if either unloading, each different proyektorr also means bongkarnya, I disassemble this projector brand Optoma
The initial step is open bolt in back of the projector or above the port panel, then open the bolt in front of the bottom of the projector, and then you open the lock of the rear of the projector
Remove the cover of the lamp, after it was dislodged also two screws in the light, and then come off the lamp by lifting it pelan2, after the lights tercopot then dislodged cover mainboard number of bolt No 9, once removed will be seen the main components projectors such as mainboard, power ballasts, or a lens unit
Remove the bolt mainboard that, and also bolts vga in port vga the rear of the projector, and unplug all the cables connected to the mainboard, after all cables regardless lift the mainboard of the pelan2, so it will be seen more clearly part of the power supply and the unit projector lens as follows
dislodged the four screws in the lens unit, having stripped slowly lift the lens unit not to make a break in the color wheel shaped spherical lenses of various colors that
then the place of the DMD chip, unscrew the two screws on the cover DMD chip is in pelan2, then the DMD chip there will be a lock similar to the existing lock prosseor laptop, turn the lock it and remove the DMD chip is pelan2 not to make crooked legs DMD Chip
Above is an image of the DMD chip which I dislodged, replace the DMD chip if the results on the projector spots, prices of DMD Chip diverse range of 1.2 to 1.8 million depending on the model and type of projector.