20 Most Recent Optoma EP739 Multimedia Projector - Page 8 Questions & Answers

Try holding the button for ten minutes and then maybe it will turn off but then it will fall off ha ha

try to reset it that is kinda normal I think

it is color wheel or sensor board issue

Here is a link to the manual: http://www.optomausa.com/webresources/files/support/e8a6c3d0f4734e09990fde002a232750.pdf Page 42 provides LED indicator messages. If you prefer video!

it DMD chip issue.

it has 2 fans in machine, 70*20mm and 45*20mm. both are available, waiting for your further confirmation

Capacitors are usually Blue or Black (Black on most optoma boards) and look like little cans. In most of the board I have seen online, if you have the power plug port facing you, the caps should be on the far right hand side. Be very careful when dealing with capacitors, they will hold a charge for a very long time and can be deadly if the pins are shorted.

The Optima HD67 does not have a USB port. It does however have an HDMI port, in which case your camera would also need an HDMI out port in order to connect to the projector. HDMI and USB look similar, HDMI however is for Audio/Video and plugging a USB cord into it may cause damage to both devices.

The bulb is not properly connected or it has excedded it's life.

we mainly retail or distribute color wheel, light tunnel ect sparet parts for projector or TV, so we have experience on that problem you faced. perhaps you ordered a compatible color wheel,but it is not big trouble. compared with your old wheel, you will find a black tape, just make it as the same position as your old wheel, it will be ok.

i have its service manual, showing details steps. if you need,you can contact me freely. not charge, free. my email, [email protected] can you send me your color wheel pictures, thanks.

hi Sir, why you not go to ebay for help? it has two fans, one is 70*20mm AXIAL Fan, another is 50*20mm blower fan, which one goes bad? find out and just replace it, it will be ok.

i have a service manual of a similar model projector as dx650, i think it is helpful for you. if you need, please contact me by [email protected] i can send it to you by email, not charge. i have all projector color wheel, light tunnel,condenser lens, lamp driver, lamp and DMD