Question about Lexmark X5470 All-In-One InkJet Printer

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Power inverter lights as does a new one, but on switch fails to turn it back on after failing between print tasks.I am back after church in three hours.

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  • rtryon Feb 07, 2010

    replaced inverter and power cable. Both old and new inverter green lights come on, but power button is non responsive.
    It must mean that someone knows if if is a simple reset inside cabinet or a failed switch or electronic circuit.

  • rtryon Feb 07, 2010

    Answer is needed

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1 Answer

  • Official Brand Answer
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Hi, In this case what sometimes happens is that the printer will not get a signal to bring it up from the sleep mode that it is in. Please review the following link as it contains a lot of information about this problem and all you need to do to resolve it. http://bit.ly/cpWCX6

Posted on Feb 09, 2010

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Posted on Jan 02, 2017

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2 Answers

Tv comes on but after couple of seconds lights goes off but sound stays ok


check the power board on the 24v side this is for the inverters.if fine then shine a light in one of the side hole in the screen at the back to see if you have a picture if you have a picture then check the relay on the power board is working its a black square there are 2 of them. when you turn on the tv you should hear click then click thats the power and then the inverter power. if you have 3 click that is the inverter power switch turning back off. if you not having this problem. then the 24volt side has a fault. would think off hand the 3 pin power chip its a half moon top. they are prone to over heat if they are next to the transformer. failing that there is a logic power chip 4 pin you will see a white line and the chip is crossing it. hope this helps.

Sep 23, 2013 | Samsung LE46M51B 46 in. LCD Television

1 Answer

Well my is my wife was watching TV then turn off the TV until came back next turn on TV and hear the sound the screen is black if turn on the bedroom light and get real close to the TV you will something...


Hi there,

yup it cetainly sounds as though your backlight has failed. There are two parts to it, the light itself and the inverter board. unfortunately its difficult to diagnose one from the other as they both support the same job. If you are getting no flash of light when you first switch on then I would hazard a guess that its the inverter which has gone as this supplies power to the light. If the lights had failed, you tend to get a flash when first switching on. (kind of like a flourescent tube light)
Hope this helps.

May 09, 2011 | Televison & Video

2 Answers

My dell LCD screen is not working. I used to have to unplug and replug the monitor every hour or so and it would work for a while. but now it wont stay on for more than a second. Any Ideas?


Try to see how it works with another computer or another graphics card. If it still does it, you know the computer monitor has to be repaired or replaced.

Is it in warranty?

Aug 20, 2010 | Dell E193FPC 19" TFT LCD Flat Panel...

1 Answer

22" monitor screen went black and power button blinks from orange


More likely to have failed power supply (not feeding 12~18vdc to the inverter circuits), failed inverter circuits (shorted transistors, failed inverter transformers), failed back light assemblies (burnt wires). You will have to open it up and inspect the inside. Pleasen look through my pictures of failed monitors and components if yo decide to DIY repair.

http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

May 10, 2010 | Acer 22" X223w LCD Monitor

2 Answers

Laptop will not power on. I push power and all lights power up then sounds like it will power up then fizzles out and doesn't turn on


The cable for the back light inverter board may have come off on the mother board side or on the screen side.

2) Failed inverter board.
3) Failed lamp.

This place will show you what the inverter board looks like: http://www.insidemylaptop.com/how-to-remove-inverter-and-replace-lcd-screen-in-compaq-presario-m2000-laptop/

Mar 30, 2010 | Gateway MD2614u Notebook

2 Answers

Dell monitor power on and power light goes on and off


First place to look will be the power supply caps, look for caps with bulging top, post back what you see inside so we can guide you further, see example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

http://www.lcdrepair.us/e176-177fpc-inverter-power.html

http://www.lcdrepair.us/e176FPf-inverter-power-logic.html

http://www.lcdrepair.us/e176-177fpm-inverter-power.html

Feb 16, 2010 | Dell E176FP 17" LCD Monitor

2 Answers

5 year old dell flat screen monitor does not want to wake up now...green power light is on but no picture...turn off then back on picture for a split second then black...


sounds like my brothers laptop dell D610 the lcd screen will turn on for a little bit and then turn off. we noticed if you hold a flashlight to the screen when it was on and you could see video. the back light or the inverter went out ordered a used screen from discount electronics and replaced the lcd with backlight and inverter

Nov 14, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Screen is black and can not see the images


hi,
he best way to see if its a bad power inverter board to the back light or if its the backlight "bulbs" is to shine a flashlight on the screen with the computer running.

If you can now see the text on the LCD then its a "back light" problem, the power inverter or the bulbs.

If you can not see any text its not the inverter or bulb. Try hooking your laptop to a external monitor. If the montior works that means your video card is good and that you more than likly have a failed LCD.

replacing the Inverter and entire LCD is normaly a pretty easy task.
  1. Bad inverter
  2. bad backlight
  3. bad connection
  4. all together bad LCD
None of those problems are expensive to repair.


thank you for using fixya,rate my answer,
vijay

Oct 02, 2009 | Toshiba Satellite A305-S6908 Laptop

1 Answer

TV will not turn on


HI, this is a failed inverter board. this will need to be replaced in order to restore proper functions.

This failed board is responsible for distributing the power through out the set. it has failed.

Jun 18, 2009 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

1 Answer

Sanyo ce32ldy1b lcd 160gb black screen with sound


It sounds like you have a power supply problem, this powers the inverter! Where you just replaced the inverter, we could assume it is good! Look for some bad caps (capacitors) on the power supply board. They will look bulged on the top an may be a little leaky (brownish stain). The power supply can fail on some output and be good on others. Was the back light inverter new? If all else fails, see if you can return the back light inverter and get another! I hope this is helpful!!

Mar 01, 2009 | Sanyo DP32746 32 in. LCD Television

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