Question about Olevia LT37HVS 37 in. LCD HDTV
My Syntax Olevia LCD TV 23" is having some power issue. Power supply is present as the red standby light is on but i just coudn't turn it on by pressing either the remote button or the manual button. when pressed the light goes out for an instant than right back on without the screen coming on.
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!
Posted on May 18, 2009
As suggested in another post, w2power has provided this solution. It is the only thing that has worked for me thus far. While it is a pain, I can at least consistently get my set to turn-on when using this USB cable method with logged-in PC attached to Olevia's service port (I have the 23" version)
"I think this model has a timer on it, it seems to go when the warranty runs out, not proven but Mine went out about a month ago. My only fix is to plug my tv (via the service port which is COVERED) to the usb port on my computer using my BlackBerry usb cable, in other words the Mini USB. Seemingly I must be logged on to do so and wait for the Chime form my pc, a balloon will pop up for new hardware not recognized (vista) then press the power button and then it turns on, unplug the usb cable and make sure the source is set to tv / video or else it will power back off and you will have to start all over. Theres NOT A PERMANENT fix yet but this is what I do every time I want to use the TV, I have a laptop so I use it as the Monitor just to watch movies. If you have a desktop I recommend keeping the cable handy BUT DO NOT LEAVE THE USB CABLE IN FOR LONG USES. THE SERVICE PORT IS COVERED FOR A REASON!!!
Posted on Oct 09, 2008
The set probably has a fairly complex power supply and the LED indicator doesn't need much to light.
The fact that the set shuts down so quickly implies a hard failure of some kind, either in the supply itself or a circuit it services.
There are several million components in circulation (capacitors) that have defective chemicals in solution and there are seemingly unrelated electronic items crapping out all over.
The faulty electrolyte was made in China after the formula was stolen from Japan and poorly copied.
The stuff was sold to several Asian manufacturers of the capacitors and used in a broad range of devices.
We'll be seeing many more failures before it gets any better.
Posted on Jun 11, 2008
SAME PROBLEM..... SIENNA7....I JUST HOPE I CAN FIND THIS CABLE..8MINI DIM TO USB FIND THIS ONE ONLINE...http://cgi.ebay.com/USB-VISCA-CONTROL-CABLE-EXTENDER-ptz-Sony-EVI-D30-Canon_W0QQitemZ370181882646QQcmdZViewItemQQptZCamera_Cables_Cords?hash=item56308f4316. BECAUSE THE PORT SERVICE IN MY TV IS NOT AND USB SO ANY IDEAS REALLY APRECCIATE..THANK'S...I HAVE MY TV ON THE CLOSET SINCE 2007...I HOPE I CAN GET THE PICTURE ON...
Posted on Jan 07, 2010
As suggested, I uncovered the service port and plugged my camera adapter cord into (mini usb) and wa friggen la, the TV powered all the way up. This TV is in excellent condition an it 2 1/2 years since I bought it from ABC Warehouse and never had a problem like this. What a stupid way to turn a TV on by jumping it from a laptop. Like an old jalopy car.
Posted on Feb 14, 2009
We have been having the same power issue. Once it goes off, you can't turn the TV back on. We have tried unplugging it for days at a time, as suggested by the support desk, but now even that doesn't work. Ashame to spend this much money on something that won't stay working and has no support backing.
Posted on Aug 28, 2008
Go out and buy a new tv because im guessing once u spend money on the olevia to fix it, your gonna just have to keep doing it all the time. my 37" stoped powering up and olevia gave me no support at all. so i am going to buy a new sony and i bet i wont have a problem at all.
Posted on Oct 12, 2008
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Posted on Jan 02, 2017
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