Question about Panasonic PT LC75U Multimedia Projector

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The universal cord, one end goes into LCD the other into computer, the end going into the LCD needs to be wiggled a lot to get the connection to work. Will a new cord solve the problem?

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Does the universal cord go into the rgb1 , rgb2 or S video input.

if it's the rgb input, swap to the other rgb input.
otherwise borrow a cable from the neighbours computer and try that.

if the wiggling is still needed then that socket on the LCD has dry joints on the pcb inside

Posted on Mar 19, 2011

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Posted on Jan 02, 2017

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No picture no power kids pushed it off the dresser


Ouch. If you are lucky unplug double check cord connection at back. No help? Wire at plug end may have torn in the fall. Wiggle wire at the plug end if you get something the cord needs to be replaced. Otherwise, you may have major damage. A lightly used replacement may be less than a repair.

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My HP pavilion laptop has a problem when I power it the lights just go on then off


Start by making sure its plugged in and charging. most laptops have a light that is on if the cord is plugged in.if its plugged in and there is no light one wiggle on the connection on your power cord. start at the wall and check every connection. if the light blinks than you power cord is bad or the power port in the laptop has disconnected from the mother board. Some computer stores will have a loaner universal laptop charger you can borrow. I recommend borrowing there universal before you buy a new power cord

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Bad power cord or bad connection on laptop?


Probably the DC Power Jack which is where the power cord plugs into the computer. Take a ink pen and stick the tip in where the power cord goes to see if it wiggles. If so, that's your problem.

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I plug in cord to charge unit. Light goes on. I put unit down, light goes off. I twist cord, light flickers. I lift unit up and twist cord light goes on. I put unit down or lie it down light goes off. Unit...


You have to use the same diagnostic procedures that you already have to isolate which area of the cord is broken. Carefully test, by wiggling, etc. the end of the cord that plugs into the wall. If this end is faulty, you can purchase a plug end at a hardware store and replace it.
If the cord is broken at the sweeper end, unless you can open and repair the break, you will probably need a new charger.
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1 Answer

Plugged in and not charging


have you wiggled the power cord? I did this and saw sparks...then I knew I needed a new power cord. I ended up getting a Universal one at Walmart for about $78.00. Well worth it.

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Viewsonic va720 monitor flickers / goes a little dim. wiggling the power cord often helps.


then change the power cord...there may ba loose connection...or the pins int he cable is not getting full power

Dec 26, 2009 | ViewSonic VA720 17" LCD Flat Panel Monitor

1 Answer

Power chord won't charge laptop


If you need to wiggle the cord in order for it to charge, then you have a problem.
If you have to wiggle it at the computer, you probably have either a bad plug on the adapter or the power connector on the motherboard is going bad. This situation will not cure itself. It will only get worse.
Check the voltage at the end of the power adapter cord (the plug where it goes into the computer). If it's constant even when you wiggle the plug, you're gonna be looking for a new motherboard soon. I have actually replaced the power adapter on motherboards, but it's tricky--you have to be really good with a soldering iron!

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1 Answer

Video upload....


well, the connector that comes from the 2nd speaker goes into the speaker port in the back of the first speaker.

The wierd cord possibly fits into the 12v dc slot in the back.. and the other end would go to a power adapter..

Seems you are missing a power adapter,, like you said earlyer.

Basically you would need a standard power adapter which fits into the speaker.

You could get some universal power adapter for it like
http://cgi.ebay.com/UNIVERSAL-DIGITAL-AC-ADAPTER-ADJUSTABLE-VOLTAGE-NEW_W0QQitemZ150275118131QQcmdZViewItem?_trksid=p3286.m20.l1116

Or

something to this direction
http://cgi.ebay.com/UNIVERSAL-AC-TO-DC-POWER-SUPPLY-ADAPTOR-ADAPTER-CHARGER_W0QQitemZ230275174536QQcmdZViewItem?hash=item230275174536&_trksid=p3286.m14.l1318


If you want to make sure you get the right kind of power apdater
Try contacting jbl directly
http://www.jbl.com/home/product_support/JBL_contactus.aspx?ProdId=PLATINUM%20SERIES&ProdName=COMPAQ:%20Platinum%20Series


I was looking around ebay, found this
http://cgi.ebay.com/NEW-JBL-Platinum-Series-PC-Speakers_W0QQitemZ260266345340QQcmdZViewItem?hash=item260266345340&_trksid=p3286.m14.l1318

Theres the power adapter in the middle, I think the odd cord goes to the back of the first speaker and the other end would go to a power adapter.. try contacting jbl they should be able to get you what you need.

Seems you have everything else you need except for the power adapter.

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1 Answer

Keeps going out


check this monitor on another computer.If it is doing same then check power section.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FIXYA.

Jan 21, 2008 | Samsung SyncMaster 174V 17" Flat Panel LCD...

1 Answer

Viewsonic va721 monitor


Connect the monitor to a different computer system (if available) to see if the issue is with the video card or the monitor.
Make sure A/C power cord is securely connected to the LCD display.
Make sure the video cable supplied with the LCD display is tightly secured to the video
output port on the back of the computer. If the other end of the video cable is not attached
permanently to the LCD display, tightly secure it to the LCD display.

Your backlight may be going bad, or the small controller board may be going bad also.

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