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LG LRE30453ST Range Oven Touch pad not workingLG LRE30453ST Range Oven Touch pad not working.

Tegpaul

By Tegpaul
in DIY Appliance Repair Help

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Tegpaul

Tegpaul

Posted
Posted
I have LG LRE30453ST Range Oven,
 
It's Touch pad is not working so we can't turn it on,
 
I open back cover and take a parts all every thing clean the connection and put it but still it's doesn't work,
 
Please advise!
 
Thanks!
 
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  • Tegpaul

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  • Chief Petty Officer Crowe

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  • darren412

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Chief Petty Officer Crowe Ikkō-ikki

Chief Petty Officer Crowe

Posted
Posted

The touchpad itself is probably fine. The problem will either be in the display PCB or the main PCB. Also a good idea to verify the power supply (wall outlet) is good. 

You would need to do some voltage checks to determine which board is faulty. Do you have the service manual?

Tegpaul

Tegpaul

Posted
  • Author
Posted

Yes, I do have service manual for this appliance,

there is also F-1 flashing on screen, could be error code,

i checked few websites and found out that display PCB and main PCB are discontinued, so don't available any more.

Thanks!

Chief Petty Officer Crowe Ikkō-ikki

Chief Petty Officer Crowe

Posted
Posted

Okay that leaves only the field repair option. Use the schematic to figure out which board isn’t supplying voltage for the display and then replace the capacitors in the DC power supply on that board. Yeah, kind of a crap shoot but with the needed parts being NLA, it’s either that or buy a new range. 

Tegpaul

Tegpaul

Posted
  • Author
Posted

I am not that professional but definitely will try before throwing it away, so it will either work or definitely be trash.

I noticed Radio Shack stores closed around my neighborhood and now they have minimum order requirements for free shipping on their website.

Can you please advise where should I buy cheap capacitor,resistance or other things for field repair?

Please advise!

Thanks!

Chief Petty Officer Crowe Ikkō-ikki

Chief Petty Officer Crowe

Posted
Posted

Bing around online. Mouser electronics is usually pretty good for this. 

darren412 Sensei

darren412

Posted
Posted

Core centric solutions  may have a Remanufactired board for you . Look them up. They sell remanufactired appliance control boards. If they don’t have one in stock then you send yours in to them for fixing. They come with a 6 month warranty also . I have used them a couple of times

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