Question about Panasonic PT-LB20U Multimedia Projector

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Wont power on

It acts like it has no power, have checked outlet and outlet has power.

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There is an internal power fuse, a thermal overload fuse.
the lamp must also be installed

Posted on Feb 25, 2011

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Posted on Jan 02, 2017

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1 Answer

Clean filter


the mother board or the power supply is broken.
you can test it by putting it to another same projector
any questions, feel free to ask me
have a nice day!
Jerry Lampdeng Limited

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1 Answer

My tv wont turn on


Look for power outlet and ensure there is power. Check TV on other power outlets. Ensure required voltage is there on the power outlet. Even then, if you notice that the TV does not work, it might be attended to by a skilled and qualifies service technician.

Jul 28, 2012 | Sanyo Televison & Video

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No lights - Acts Like It Has No Power At All


see the diagram and pictorial and proceed with common sense:
1) test the fuse for open or band contact with VOM,see the diagram attached how to do it
2)check the switch door hook or door release button,when they are broken they do not touch the switch, and will NOT start. test for open
see the diagram
7_17_2012_12_56_50_pm.gif7_17_2012_12_57_31_pm.jpg7_17_2012_12_58_02_pm.jpg

Jul 16, 2012 | Microwave Ovens

1 Answer

PC wont start. Have checked all cables: OK. The Power LED (front) is blinking (blue color) and pressing the powerbutton for several seconds only resluts in a very short blink on ACT (red), POW (red)...


First thing I would do is check the power source. Try the wall outlet with a known good lamp or something, see if its working. if not use another. if it is try a different Power cable for your laptop (it is a laptop right?). If you try another known good power cable and its still not working then its likely a power supply issue with the computer, in which case you would need to get it repaired or replaced.
Your certain its not turning on and you just have no video? do you hear any beeps? sounds? windows booting? etc?
Try the power first. see where that takes you.

Feb 05, 2011 | Intel Motherboard

1 Answer

Kenmore dishwasher... filled up with water and its lights went off.. no buttons work acts like no power. check the house fuse box - ok ... check the 2 door switch - ok .. checked the thermal fuse - ok ...


Did you check power to the unit? Double check the common and grounds. When servicing I will disconect(unplug from wall) power to the unit. Is it pluged in? Use another outlet(the outlet under the sink may be wired thru a switch for a disposer)even if you need an extension cord. Hope this helps.

Nov 12, 2009 | Kenmore 24 in. 16032 Built-in Dishwasher

1 Answer

My E-machine W5243 system will not power up.


have you tried another outlet or another device in the same outlet? If you have then you might be looking at replacing the power supply.

Mar 18, 2009 | E-Machines eMachines Desktop PC

1 Answer

Wont turn on!


Unless the power cord is loose, it sounds like the unit is defective. There are two places to check the power cord. The 'brick' has to be firmly inserted into the back of the printer and the cord has to be properly fitting into the brick. If all is well there, it sounds like something more drastic is wrong.

Steve

Feb 26, 2009 | Lexmark X2350 All-In-One InkJet Printer

1 Answer

Dryer shut off towels were not yet dry, turned dial to restart dryer acts as if it isn't getting power I closed door and pushed start button. Nothing! Checked breakers and power cord at outlet all checked...


Hello mdonettaYou said,
Dryer shut off towels were not yet dry, turned dial to restart dryer acts as if it isn't getting power I closed door and pushed start button. Nothing! Checked breakers and power cord at outlet all checked okay. Any ideas.

yes, try unplugging the power cord or turning off the breaker for 5 minutes. Either will due. Some times the system needs to be reset!
If this does not work there are internal fuses that can be replaced!

Let me know how it goes!
Huuum

Sep 19, 2008 | Dryers

1 Answer

No power light on TV, power at outlet, acts like internal blown fuse


Make sure your main switch near the power cord where fits in the tv is on,if it is and you have power in the outlet you have a power supply problem.i sugest to take it to a repair shop.I am a technician but i am in Puerto Rico otherwise i would be more than happy to fix it for you.I have a good experience with these tv and have fix a lot with thesame problem.
Regards and good luck,
Jorge.

May 10, 2008 | Protron PLTV-3750 Television

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