Question about Olevia LT42HVi 42 in. LCD Television

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I have a 10 year old olevia lcd tv. as soon as you turn it on, the volume bar goes from 20 to 0 and stays on the screen. I can't get the volume to change and none of the other buttons on the tv will work. I have replaced the. button circuit card and this did not fix it. thanks for any help!

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  • Olevia Master
  • 74,136 Answers

Sounds like main system control memory IC is faulty. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/

Posted on May 16, 2014

Testimonial: "Thank you for the response. Is the system control memory IC, the same as the main board?"

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Power issue with Olevia LT23

this is bull do...The same thing happens with my TV I Have the Olevia 23" and the power will not turn on.
$700 shot, who cares about the rebate when it works on a short while...

Posted on Nov 24, 2008

freetek
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SOURCE: Olevia 242T 42" LCD HDTV - Suddenly No Picture, Nothing Works

 I heard they were restructuring their company or something.
There has been a change ownership from Syntax-Brillian to Olevia International Group.
Details of Olevia brand  
Unfortunately for all of us (we have 747i) service seems very poor and the failure mode you describe doesn't give me any clues despite 40+ years of service experience.
Ours is still 100% but I now suspect our trouble will come.

Posted on Nov 28, 2008

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SOURCE: Power on problem for My Syntax Olevia LCD TV 23"

I have a 24" Olevia LCD TV. Same symptoms (Stdby LED is on, press power and it flashes off, then back on). The USB cable to the Service Port also worked. But being of sound technical mind, I figured this means that the PC is supplying the +5v to the circuit. What I did was disassebled the TV, carefully disconnected all the cables, and opened it up to reveal the circuitry. I looked over the circuit and noticed the 1000uf/16v capacitor at position CS21 was failed and bulging. I removed the cap, tested it and verified that it was indeed failed. I went to a local Radio Shack and picked up a 1000uf/35v electrolytic, after all, the value is what mainly matters as long as it's not lower voltage than the original. I replaced the new CS21 capacitor back in the circuit (it is polarity sensitive, so pay attention to what the original mounting position is). I reassembled the TV and Viola! Works! No need for the USB cable to the Service Port!

I hope this helps someone!

-Matt

Posted on May 18, 2009

  • 2 Answers

SOURCE: Power supply module for Olevia Model 237-S11

i have the same exact problem with my cheap made olevia lcd tv. these were designed to last about 2-3 years. the company has closed up and left the building.the power boards they used were cheap and had very poor capacitors on them that is really the main problem cheap parts.the power board is about 100 if you can find one. i am in search for 1 with no luck. very easy to replace yourself. i have taken mine apart twice to try to figure out what was wrong. looks mainly plug and play on all the boards. repair shop wants 300 to fix mine so i am either gonna trash it or wait forever for a power supply board. good luck!!

Posted on Jul 14, 2009

  • 9 Answers

SOURCE: Olevia LT26HV LCD TV won't turn on

Olevia has problems with the power supplies. Best solution is to remove the back of the TV. On the 542 it is about twenty number 1 phillips head screws. locate the power supply connectors check the board for the voltages, clearly marked on the PCB. Continue to check the voltages by powering on the Television. all voltages should be within its described range. If a voltage is low or nonexistent, the power supply is bad, usually a bad capacitor.
There are three series of caps, on the low voltage side it is 16 volt, next 24 volt and finally 36 volt (these are just max ratings.
which ever power that was found low the cap would be near that voltage output connector.
next step is to remove the board and replace the capacitor, using a soldering iron and making sure to solder with no slop.
with the board on an insulated (nonconductive surface connect the board to the televion. Check voltages and if no other voltage issues reassemble.

Posted on Sep 05, 2009

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