Question about 3M MP 8749 Multimedia Projector
I turned on the power on to theProjector and there was a very loud bang and now the projector is no longer accepting power. no standby light. I checked the plug that fine, so i think something has blown in the unit. The bulb looks ok. I didn't get as far as trying to power up the bulb before it blew.
I'm wondering whether it would be cheaper to get it repaired or just to buy a new unit
If the internal fuse has blown, if you connect the power lead loosely and move it about, you should not be able to hear any crackling sound of electricity. If you do then it is more likely something else other that the internal fuse. Generally, a loud bang is either the fuse or lamp.
Posted on Apr 20, 2010
I works on this product for 3M here in Puerto Rico and i see this problem often.Probably you have the fuse blown but you have to find why the fuse blew because if you replace the fuse and it hapen again then you have a power supply problem.Just replace the fuse and see what hapen.You can probably get the whole power supply assy.calling 3M or on ebay shiper.
Good luck and fill free to contact me for aditional help.
Posted on May 24, 2009
Theloud bang you heard was probably just a fuse that blew and the fuse will probably cost you in the order of 50 cents.
This can be found at any TV repair shop or hardware shop and is located on the Main Powersupply Board ( the one that takes in the AC socket )
Before opening up the whole Projector to replace the fuse , just double check and take out the lamp and check for any damage. If you heard a bang the lamp would be shattered.
Posted on Sep 26, 2008
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Posted on Jan 02, 2017
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