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No sound or picture on my lt-46am73 power button showing green

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5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

budmrtn
  • 11361 Answers

SOURCE: my 42 inch television plays sound but the picture

You may have bad power supply or shorted out backlight inverter board that causes the TV to go into shutdown mode. You need to check those two boards out.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

Posted on Jul 28, 2010

Geekman
  • 32281 Answers

SOURCE: black screen in jvc lt 42e478

If you can see a dim image when you look at the screen at a sharp angle then you most likely have a faulty inverter board or faulty CCFL lamp/s.
Most likely faulty inverter board which supplies high voltage to the CCFL lamp/s.

Posted on Jan 16, 2012

  • 26 Answers

SOURCE: i have a 55 inch television that dosenot show a picture but the power button comes on green but turns red

If you've had recent fluctuations in your electrical supply which is common during the summer, you've likely got blown capacitors in your TV. Leave it unplugged for a few hours and try plugging it back in. If it works, then great, if not, then you would have to check for bad capacitors.

If you're half decent with a soldering iron, it's an easy repair. Go to Badcaps.net for instructions. They even sell high quality replacements too if that's what you need.

Posted on Jul 24, 2012

  • 8 Answers

SOURCE: Have a JVC lt-46am73 tv. The power was

With a TON of TV Sets, today... the Power Supply Boards have a tendency to go bad. Most of them use a very cheap and unreliable capacitor brand for the Boards and these capacitors are known to blow. If you have the back off of your TV Set - take a look at the Board where your Power Plug is inserted. Look at the top of the capacitors. If any of them are "Domed" (i.e. not completely flat) on top, the + shows any separation (this is the scoring on top of the capacitor, in the shape of a "+"), you can see where any liquid has come up out of the top, etc... you have a bad capacitor. You can, of course, replace these capacitors, but most people find it easier to just buy a new Power Supply Board... for they are easy to install. Hope this helps. Btw- if you look @ the capacitor and are not sure what to look for - just Google "pictures of bad capacitors" and you'll see exactly what I'm talking about. Good luck!!

Posted on Oct 23, 2013

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46" JVC model 46AM73 light will change from green to red and red to green each time you push the power bottom but no picture or sound. All the condensors look to be good.


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Dec 24, 2016 | JVC LT-46AM73 46 in. LCD HDTV

1 Answer

How do I fix my Jvc the screen won't power on. When I reset it the lights on the buttons light up...but shut off right away. It has power because the red light on the bottom left corner stays lit.


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Jan 18, 2016 | JVC Televison & Video

1 Answer

T.v. screen went black while watching it can't get it to come back on help


If you see no lights come on, then most likely you'll have a problem with the power supply inside of the t.v. Should be an easy repair.

Jan 08, 2015 | JVC LT-46AM73 46 in. LCD HDTV

1 Answer

Loss of power it wont turn on


Sounds like a component failure in the circuit.possibly been power surged if you did not have it plugged through a good surge protector.

Nov 10, 2013 | JVC LT-46AM73 46 in. LCD HDTV

1 Answer

Have a JVC lt-46am73 tv. The power was interrupted and now the tv won't come on. Have a red light showing it is getting power. Is there a reset process?


With a TON of TV Sets, today... the Power Supply Boards have a tendency to go bad. Most of them use a very cheap and unreliable capacitor brand for the Boards and these capacitors are known to blow. If you have the back off of your TV Set - take a look at the Board where your Power Plug is inserted. Look at the top of the capacitors. If any of them are "Domed" (i.e. not completely flat) on top, the + shows any separation (this is the scoring on top of the capacitor, in the shape of a "+"), you can see where any liquid has come up out of the top, etc... you have a bad capacitor. You can, of course, replace these capacitors, but most people find it easier to just buy a new Power Supply Board... for they are easy to install. Hope this helps. Btw- if you look @ the capacitor and are not sure what to look for - just Google "pictures of bad capacitors" and you'll see exactly what I'm talking about. Good luck!!

Oct 23, 2013 | Televison & Video

1 Answer

I have a JVC lt-46am73 tv. Yesterday the power was interrupted and now the tv won't come on. I have a red light indicating it has power but can't get the tv to come on. Is there a reset process?


Hi Ron. Sorry that you are having problems... I know how frustrating it can be. The problem is most likely your Power Supply Board. The capacitors used on the Boards for most sets made in the last 10yrs use an extremely cheap and unreliable capacitor. If you can take the back off of your set, take a look at the board where your Power Supply Plug goes in. On that board, take a look at the capacitors. If you need to - you can Google, "pictures of bad capacitors" and you'll see exactly what a blown capacitor looks like. If the tops are not completely flat across, there is any "doming" to the tops, the scored "+" on top of the capacitor has any spacing, cracking, and/or shows where any liquid has escaped... you have a bad capacitor. You can replace these capacitors and/or pay someone to do it for you, but I always advise to just power a new Power Supply Board. They are very easy to install. You can typically pick one up for a couple hundred $$ and save your TV from a junked fate. Hope this helps and good luck.

Oct 23, 2013 | JVC LT-46AM73 46 in. LCD HDTV

1 Answer

Tv won't turn on


This is a frustrating problem, but more details are required to solve it. Have you found the power switch on the TV? Are the batteries installed properly (facing the right way) in the remote? Is the TV connected to a working power circuit? If power is getting to the TV and the power switch doesn't work, I'd return the TV.

Mar 25, 2013 | JVC LT-46AM73 46 in. LCD HDTV

1 Answer

What does system error E000 mean for Canon ImageclassD861 copier?


Remove the back plate go to Main Board then go to JP1 remove the Black jumper, connect the power cord, will show message error data and press Green Button (the Big Green for actv the copy) after that the machine do a reset and will clear the error. Return the back plate and connect power again and will work back fine.
TO RESET THE COPIER (after getting an Error Code of E000):
(Canon ImageCLASS D861)


1) Press the Additional Functions button
a. It will blink green

2) Press the < # > button
a. You will see the following:
SERVICE MODE
# 1 SSSW

3) Press the < + > or < ►> button until you see the following:
SERVICE MODE
# 7 PRINTER

4) Press the < Set > button
a. You will see the following:
# 7 PRINTER
# 1 SSSW

5) Press the < + > or < ►> button until you see the following:
# 7 PRINTER
# 4 PRINTER RESET

6) Pres the < Set > button
a. You will see the following:
# 7 PRINTER
< YES NO >

7) Press the < – > or < ◄ > button to choose YES:
a. You will see the following:
# 7 PRINTER
# 5 MLT CLEANING

8) Unplug the printer and wait for 15 seconds. Then plug it back in.

Feb 18, 2010 | Canon ImageClass D861 Printer

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