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Open projector to replace fuse

How to open projector to replace power supply fuse

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Posted on Jan 02, 2017

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projdoc
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SOURCE: How can I change the power supply or fuse on projector?

remove the top, front and rear panels (4 copper screws and 4 silver screws on bottom, 2 silver on back). there are 2 fuses for the power supply. the left board (looking from the rear) is the ac filter board, and has a fuse near the plug. the right board is the power supply/ballast board, and has one fuse near the back center, but it is soldered in. if the fuses are bad, replace only with the same size fuse. to replace the power supply (either board), just remove the screws and plugs and replace with part numbers 510-1908-00 (ac filter) and 520-0143-00 (power supply).

Posted on Aug 10, 2009

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projdoc
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SOURCE: Infocus projector power supply dead

the caps dry out. look for bulging caps. you won't find a schematic for the ps boards. infocus had someone else make them. the problem seems more like a overheating issue. as for the other one with the "just the fans", check the colorwheel.

Posted on Sep 04, 2009

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1 Answer

Optoma h79 wont power up is there a fuse to replace if so where is it thanks


hi,
All electronic equipments have fuse in the power supply section.
In your projector it is inside the unit. The fuse of projectors will blows only if there is any trouble in the power supply. Just try to replace the fuse in the power supply board. It will be near the input connector. If the fuse again blews then you have to replace the power supply board. Because the components in a projector power supply is rearly available. You will not be able to access the fuse with out oppening the projector.
OK

Oct 08, 2011 | Optoma H79 Multimedia Projector

1 Answer

How do you change the fuse on lv-s3 cannon projector


The main fuse is on the power supply unit/section and so you need to remove the main panels to get access to the power supply. Normally if the fuse is blown the chances are that the SMPS- swittch mode power supply - has failed and so you might need to replace or repair if the components failed is within limit.
please check this link for tips:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies
Replace the fuse only with the rated value. Before the projector is opened, the lamp must be safely removed and kept aside, Take all precaution not to touch with bare hands and to replace back into the holder with care.

Oct 06, 2011 | Canon LV-S3U Multimedia Projector

1 Answer

Hi, my Benq projector wouldn't power up. We moved it around a bit and now it is not even starting up. We tried replacing the fuse and still doesn't work. I read the power supply may have to be replaced. I...


Hi, before going the power supply route check that all screws around it are tight, also check the lamp cover if it is in properly. It may be that the switches(sensors) for covers are sensing an open cover. If you are comfortable with testing you can test the switches first by pressing them and checking for continuity. I hope this helps.

Aug 12, 2010 | BenQ PE8700 Multimedia Projector

1 Answer

Data projector is not turning on. How can I check for broke fuses?


open up the top case. the fuse will be on the power supply board right next to where the power cord plugs in. you'll need a continuity tester to test it. if it is blown, replace it with the exact size and type. if it is not blown, replace the power supply.

Feb 02, 2010 | Sony VPL-EX4 Projector

1 Answer

In72 does not power up. I think that it is a blown fuse. Where is this fuse located


if there are no leds lit on the top, then it's a power supply issue. open it up and check the fuse on the power supply (next to where the cord plugs in). if the fuse is ok, you'll have to replace the power supply. you can get parts from an infocus service center or send it to them to repair. either way, try www.avsolutionsny.com. they're really good.

Jan 20, 2010 | InFocus IN72 Multimedia Projector

1 Answer

The fuse has burned out in my projector benq MP610. So I opened the projector to replace it : same result. I verified, the lamp is also burned out. Do you think the burned out lamp can make the fuse to...


before a lamp blows it draws more current than it usually uses, but since it uses dc, it couldn't blow the ac fuse. but if the regulators on the ballast or power supply were bad, it would blow the lamp and draw ac power, possibly blowing the fuse.

Dec 02, 2009 | BenQ MP610 Multimedia Projector

1 Answer

How can I change the power supply or fuse on projector?


remove the top, front and rear panels (4 copper screws and 4 silver screws on bottom, 2 silver on back). there are 2 fuses for the power supply. the left board (looking from the rear) is the ac filter board, and has a fuse near the plug. the right board is the power supply/ballast board, and has one fuse near the back center, but it is soldered in. if the fuses are bad, replace only with the same size fuse. to replace the power supply (either board), just remove the screws and plugs and replace with part numbers 510-1908-00 (ac filter) and 520-0143-00 (power supply).

Mar 30, 2009 | InFocus X1 Multimedia Projector

1 Answer

1 second in betweent flash


Thats ok, In my openion, projector has power supply problem. Please open it and check fuses in secondry power area. Atleast one fuse is open there.

Jul 25, 2008 | NEC VT460 Multimedia Projector

1 Answer

Power supply problem?


Hi ktricks

The problem will definitely be with your powersupply , but before investing in a new one - open up the unit by taking off the top cover and replace the fuse that is on the powersupply - this is 90% of the time the only problem.

If this doesn't work , please supply me with the part number on the part and also with your country you are in and I'll send you the pricing and dealer's contact details.

May 17, 2008 | Sanyo PLC XP41 Multimedia Projector

2 Answers

NEC VT670 Blown Fuse


Hey SithPitt,
sorry I can't help you, but maybe you can tell me where to find the fuse. I opened the projector and have problems to find a fuse on a first view. The suspected place near ON/OFF is well shielded.

Jul 03, 2007 | NEC VT670 Multimedia Projector

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