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Menu screen not turning off replaced power board still on

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Menu is controlled by your signal board. Check the signa board.

you can get parts for this tv at www.interliquidparts.com

Posted on Feb 25, 2012

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Sanyo p42840-06 channel menu comes on then goes off led power stays on.


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://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Dec 07, 2016 | Sanyo Televison & Video

1 Answer

TV turns on, lights up, but no menu, logo or any other picture. There is sound though. Wondering what board to replace. thanks


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jul 04, 2016 | Vizio 60" E601I-A3 Full HD LED-LCD TV

1 Answer

I have a toshiba regza but did Not turn on, i bougth a main board but know turn on and just present blank screen, no menu and sound. Just blank screen. Do you have any idea..!


Well, the main board is responsible for video and audio and you have neither. And you just replaced the main board to no effect - true? So then you might want to check the power supply voltages that power the main board. If they are bogus, nada will work on your set.

Feb 25, 2016 | Toshiba Televison & Video

1 Answer

Tv shows no picture or sound or menu options


replace power supply or inverter board (note)some power supplies have inverter circuits intergrated on the power supply circuit

Jan 21, 2013 | Element Electronics Televison & Video

2 Answers

Power on - Screen Black non responsive


Hi...

Look into getting the main power supply replaced

Check the web for someone near you

Apr 22, 2010 | Sony BRAVIA KDL-52W4100 52 in. LCD HDTV

1 Answer

Flat screen tv, power works but it shows a continuous blue screen


Yes,Ur Main Tuner signal board is dead.Replaced this Tuner signal board will solved this problems.Tries these websites Shopjimmy.com,Ebay.com to buy a refurbish Main Tuner Siginal board for the replacement.

Mar 17, 2010 | Olevia LT42HVi 42 in. LCD Television

1 Answer

Tv turns on screen displays Please Wait then goes black


There's a problem with the power board communicating properly with the interface board aka 'main board'. There's seems to be a logic problem here _Data-Bus interference. This could be because of DC voltage shut down or an under-voltage condition on the power supply board. Also the serial data too and from the Timing control board could also cause a similar problem. You can send the power board and interface board too me and I'll repair the problem for you. Or if you have some test equipment I can show you what to test.

Get back too me when you can.


Please rate this answer :-)

Dec 05, 2009 | Televison & Video

1 Answer

No Screen or sound


there are two possibilities to this problem. First and cheapest way is to replace the main board. Second, replace the inverter board. This is the boards that are mounted vertically on both sides of the TV.

Jun 18, 2009 | Vizio VU42L 42 in. LCD TV

1 Answer

No Picture, No Sound While Watching


Resetting the TV
If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:

NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.



LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:

Symptom: No picture on screen but LCD TV still has sound.
Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound.
Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture
Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound
Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits
Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright
Solutions: The problem is cause by defective LCD Panel.It needs to be replace.


Hope it may help you;

Regards;
VOTIT

Jan 29, 2009 | RCA L37WD250 37 in. LCD HDTV

1 Answer

Convergence/menu problem


The convergence power supply has failed,replacing the 215530 reg.on this board will restore the convergence menu,this board is on the right side facing the back or the set mounted on the black plastic above the board with the 6 heat sinks on it

Mar 01, 2007 | RCA P52930BL 52" Rear Projection...

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