Question about Olevia LT42HVi 42 in. LCD Television

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I need a schematic to replace the power board

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If it is a power supply issue go directly to the Manufacturer FSP USA. Get in contact with the RMA department and for about $20 dollars plus shipping one way you can get your PSU fixed. Turn around time is about 3 to 4 weeks so be patient. Once fixed they send you an e-mail with tracking info. I did this an probably saved hundreds of dollars. The removal of the PSU from the TV is pretty straight forward, 4 connectors and just a bunch of screws. Keep track of the screws and where they go also take a pic of how everything was connected to you can reference to put it back together. One warning stay away from a company called Discount Merchant to try and buy a new PSU the sell refurbished junk that does not work. I tried buying from them a replacement PSU that was DOA and they did not want to refund my money and it was a huge hassle and I had to involve the BBB and my CC company to get a refund. Save yourself the nightmare and go through the Manufacturer. Below is the email contact info incase you cannot find the website.

FSP USA RMA Services" <rma@fspgroupusa.com

Bizznyc.

Posted on Jun 07, 2010

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  • Olevia Master
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No,schematic's the tv corporation don't release them.Replaced the power suppply board are easy.The power supply board,the board where A/C power line plug in,go in to.U just require a Philip screw driver take out about 6 Philip screws and connections.Do the reverse to install.

Posted on May 05, 2010

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Posted on Jan 02, 2017

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Hi William,

If your problem is a continuous green blinking led light and will not turn on, this is an indication that the DM of your unit try but hasn't booted up and stuck to this fault.
If you have checked fine the fuses on the DM power supply board, you have to check/replaced also the electrolytic capacitors on that board.

11_1_2011_12_36_04_am.jpg

www.tvrepairkits.com has a repair kit for your unit (DM power supply board) that includes these parts.

If you've already replaced the capacitors on that board but still the symptoms still persist, I would advice you to check/replaced the capacitors on the power supply board feeding the DM power supply board. Check also the pico fuses and bad solder joints (cracked, cold, dried solder). Resolder the joints that look suspicious.
Yes, your model has no complete schematic diagram downloadable online. I have a copy of the repair manual that includes the schematic but not a complete one. The power supply's schematic shows only the major parts and the output voltages of the board. Same as on the DM's power supply.
Email me at jimvincentvillanueva@yahoo.com, I will send you the copy of the repair manual.
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Unit is dead I need power supply schematics


U will not find schematic,the tv corporation don't release them.Just take the tv aparts.Tries Websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.Just compare the power supply board in ur tv and the website that selling the power supply board.The picture look alike,ask the seller questions.Just buy and replaced it.U know how to solders?Just searches around the power supply board for those bulges and puff up capacitors.Replaced these capacitors will get ur power back.Most just reqiure replaced these capacitors to get the power back.










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There are a lot of folks who've had power supply issues with this sub. Typically, the large resistors fail, which takes out the capacitors.

If you know how to read schematics and replace parts, then these might be helpful to you:

Here are the two pages of schematics from KLH. I wrote to their tech department and explicitly asked for permission to share them here.

Here's the lower board, which has the power supply:
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Here's the upper board:

KLH ASW 10-120 subwoofer schematic - upper board

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If you know how to read schematics and replace parts, then these might be helpful to you:

Here are the two pages of schematics from KLH. I wrote to their techdepartment and explicitly asked for permission to share them here.

Here's the lower board, which has the power supply:
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Here's the upper board:

KLH ASW 10-120 subwoofer schematic - upper board


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