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My keyfob quit working. I pushed the black button on circuit board and it works fine for a few hours and then it will not work again. It seems like it looses its memory?

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TCL CRT TV slowly turns into black screen and than only sound comes but no image, just a black screen. After some hours than again the TV works fine but after sometime again the problem repeats!


CRT base card circuit fault. Contact any service technician to get it rectified. It will be somewhat difficult to a normal user to repair this fault. Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Type in this key phrase " my service table today " in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site.

Nov 01, 2016 | Televison & Video

1 Answer

Television picture turns off when warm


To me it sounds like a power supply board problem...some componet is breaking down intermitly ...that is a hard problem to fix, finding the board should be easy, but buying the board, replacing it, and still the posibily it be something else is really difficult..

Apr 20, 2014 | Televison & Video

1 Answer

Pump starts spontaneously without pushing the switch button


This sounds as if a relay has gone out on the circuit board. There really could be no other reason for the pump to come on without pushing the button.
You will need the model number of the control box so you can find a replacement.

Rod
US Parts Center

Jan 18, 2013 | Maax Home

1 Answer

When pushing the start button the dryer will come on for about 10 minutes and then stop. Then sometimes it doesnt come on at all


If it starts right back up after stopping there is an electrical problem maybe at the motor start switch. If you have to wait for an hour before it will start again then the problem might be that the motor needs to be cleaned of a lint build up.

Oct 23, 2012 | Roper RES7646KQ Electric Dryer

1 Answer

Philips 50 inch plasma black screen


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/

Mar 07, 2017 | Philips 50PFP5332D 50 in. Plasma...

3 Answers

Buttons for fan & light on smh9207st samsung microwave collapsed when pushed


I had same problem a few days ago. I decided to use my own skills to troubleshoot this and determine if it would worth repairing or if I should get a new unit. My microwave is only 2 years old. After I found a solution I thought it would be a good idea to post what i did to fix this...or rather work around this problem.
What I discovered was that it is the switch tab which was broken. for the Vent fan and the light switches. The problem manifested over a period of few weeks when i had to apply increasing pressure to activate these switches and finally one day they broke and went all the way in and i could not reach it.


I downloaded a Service manual online and got instructions on how to access the inside of the switch compartment. ( i'll try to attach pictures).


Basically what i found ( as stated by earlier posts) that the flimsy plastic tab broke. I figured gluing this or buying a replacement unit will only solve my problem for a few days as this is likely to break again. Basically there is no support at the back of the circuit board. so if you push had you are likely to break whatever is holding these switches in place. Just bad design.


So i removed those buttons completely. Added a thick padding using some non conduction packing material, so that any amount of pushing will not mode the circuit board from its place. The base where the actual circuit board has the round push button which is accessible from the outside. I can push a small plastic stick and operate these. So it's not pretty but it works fine

12_4_2012_3_56_00_am.jpg12_4_2012_3_56_25_am.jpg

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Apr 11, 2012 | Microwave Ovens

1 Answer

The backlight on Fisher and Paykel DD603SS has gone out


There is some reason the LCD needs to be reset. Un plug the cord. Remove the front panel, on the top right you will see the small circuit board. On the right of the circuit board there are a few connectors. Disconnect them all and leave for 30 minutes. Put it back then plug in the cord. It will work again. If not then it needs to be replaced. Unplug alone the cord didn't work for mine. Good luck

Feb 18, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

2 Answers

On off switch won't stay depressed on AEG dishwasher


Took unit apart and when I put it back it worked again. For how long who knows.

Access to the switch is difficult but by removing the printed circuit board, it seemed to allow the switch to work.

Dec 27, 2009 | AEG 24 in. Favorit 40850 Free-standing...

1 Answer

Codealarm keyfob on 2005 Mustang not locking/unlocking doors.


Try this http://m.wikihow.com/Reset-a-Factory-Car-Alarm g

Nov 20, 2009 | Code-Alarm Code Alarm Transponder

2 Answers

Games works for a few, then stop working.


Well its because the console is broken and having internal issues.

Apr 26, 2009 | Nintendo Super NES Console

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