Question about Toshiba 37AV502U 37 in. LCD HDTV

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The menu keeps popping up on the screen for the toshiba 37av502u

Needs to know what the remote looks like that go to that brand

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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  • 293 Answers

SOURCE: Toshiba 37AV502U Sounds keep going up all the

Deffective system ic.For repair and replace system ic.

Posted on Jul 04, 2011

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SD Tech
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SOURCE: Toshiba model 37AV502U TV

Keyboard issues and answers:

A problem that is more common than most people think is an issue with buttons on thecontrol keyboards of modern TV sets.

Recently for whatever reason I have seen more questions about this so I have composed this answer and solution for these kinds of problems.

It can be any button on the set-channel up/down or volume up down-you name it.

The symptoms are the same: channel will scan up or down andwill not stop-remote control has no effect on this---It can be channel, volume,or even input or menu if the set has those up front or on the side of the set.

All these push controls have something in common-beneatheach is a tiny momentary push switch-when pushed with the plastic button itperforms a specific task (vol up or down etc.).

What happens is the afflicted switch beneath the plasticbutton is bad-when released it is supposed to stop its function but does not.

Keyboard or button controlled features have PRIORITY over the remote control, hence the remote will not stop this fromhappening. Both the remote and thekeyboard go to the microprocessor in the set but keyboard is first in line.

How to resolve this issue?

Someone needs to get at the tiny pc board with the buttonsand locate the one associated with the issue (ie sound or channel etc) andunsolder that switch from the board-usually just two pins (may be more formounting only purposes) and then see if set does not have the issue with switchout of the circuit.

For the TECH minded with the board out test here theswitches with a ohm meter set to high resistance-any reading with button notpressed means a bad switch-seen ones that read 5,000 plus ohms-it may benecessary to unsolder more than one switch to locate the offender here butan open reading with switch not pressedis the rule.

I have taken the time to compose this answer as some do notunderstand what is happening in these types of situations---No magic wand orsmoke and mirrors here-have to disable the offending switch to know.

The beauty (in my view) of this kind of problem is if found, you really do not have to replace anypart-just operate the set with the remote with one button that no longerfunctions on the set itself-who could ask for more?


SD TECH

Posted on Jun 02, 2012

m_ingram
  • 1 Answer

SOURCE: Toshiba 37AV502U Sounds keep going up all the

I am having the issue, but can not find any solutions anywhere!

Posted on Feb 04, 2013

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1 Answer

Toshiba 37 inch flat screen 37AV502U keep turning itself on then off randomly. Any ideas what it could be?


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Apr 20, 2016 | Toshiba Televison & Video

1 Answer

How do I set my toshiba remote ct 90302 to my toshiba 40rv525rz


Set-up (Programming) procedure is too much to type in here, and is not practical and it will differ brand-to-brand remote controls.If you wish to get more; check the site linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Pull up older posts.
http://electrohelponline.blogspot.com/
http://remotesearch.blogspot.com/

Aug 05, 2014 | Zt Universal Remote Control CT-90302 Fit...

1 Answer

My Toshiba 37av502u loses it's settings


As goofy as this might seem, a large accumulation of dust inside the TV chassis could be the culprit. The dust becomes conductive and drains the charge from the capacitor that keeps the memory "alive" while the set is powered off. I'm a 40+ year veteran TV technician, but I've specialized almost exclusively in antique (1940's to 1970's) all vacuum tube sets for the past 15 years. I can get a dead 1946 RCA 630TS 10" B/W TV (worth about $2,500 as an antique) working again with about 10 hours of bench time. My new roommate, a lady I've known since we were kids, brought a Toshiba 37AV502U with the same "loses its memory" symptom when she started renting my spare bedroom recently. I opened it up looking for a bulging electrolytic capacitor or a dead RTC battery like some computer motherboards. I didn't find any suspicious capacitors and the only batteries this set uses are the AAA cells in the remote. What I did find was A LOT of dust inside the set. Cleaned the dust out, put it back together, and the set is holding its memory now when powered off. Obviously, the dust was creating a shunt path that was bleeding the charge away from the capacitor that stores charge for the memory.

Jan 30, 2014 | Toshiba 26AV500U 26 in. LCD HDTV

1 Answer

I HAVE A TOSHIBA 37AV502U, THE PROBLEM I'M HAVING IS THAT THE COLOR ON THE PICTURE IS WRONG, IT'S A BIT HARD TO EXPLAIN BUT IT LOOKS LIKE THE PICTURE WAS TYE-DYED OR SOMETHING, YOU CAN SEE THE CABLE...


IF THE MENU LOOKS CORRECT THEN IT WILL BE A MAIN BOARD FAILURE IF THE MENU LOOKS GOOD THEN IT COULD BE T-CON BOARD FAILURE. CHECK ALL CONNECTIONS BEFORE AND AFTER THE PARTS ARE REPLACED.

Dec 17, 2010 | Toshiba 37AV502U 37 in. LCD HDTV

1 Answer

My LCD tv's menu screen keeps popping up and won't stop.


Since it is brand new then should be OK.
Please return it to store and get another TV.

Feb 24, 2009 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

1 Answer

Help!


I don't know if this will help your problem, but we were having similar problems with our Toshiba 32A33. None of the buttons on the TV or remote worked, the volume would go up and down uncontrollably, it wouldn't turn back on unless unplugged for several hours
Try either taping a penny very firmly over the TV/video button on the set to keep it depressed at all times, or wedging a piece of plastic in it to keep it down (Cardpsycho's solution).  However you do it, keeping this button depressed solved every problem we had.

Jul 22, 2008 | Toshiba 32A33 32" TV

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