Question about Televison & Video
One of the boards has a fault, could be the power board. These are usually an easy fix for someone that knows electronics.
This link might help but i don't know if its relevant to your tv model, you'll have to search you tube or find a good repair guy. Diy kits are often on ebay cheap
Posted on Jan 04, 2013
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Posted on Jan 02, 2017
I had a similar problem which I have partially solved. The power light flashing could be due to a shorted electrolytic on the power supply board but in my case it was a shorted IC on the main board, the one with the input connectors. The IC marked 7001 shorted and got hot enough to melt the plastic. Replaced it with a new one from Mouser. The supply measured on the end of inductor 5001 farthest from the IC reads 12V now. This is a surface mount part and has a pad on the bottom that may be soldered to a pad under it. I had to cut the IC apart carefully with a Dremel cutoff wheel to remove it. That fixed the problem with the light and the remote now turns the TV on and off so the logic is working.
I now have the problem of the backlight not turning on. The driver board, the ones with the transformers, are made by Intechwave, the only info I can find is here: http://www.peopleworks.co.kr/kor/product/product_list.php?intDivision=4&intClass1=16&intClass2=41
This a 45kHz RF driver and it is not starting. If I can figure out why I'll post it for all the people who reported slow or no turn on of the backlight. These boards should have 24V between the red wires on the connectors and ground, as mine do.
Posted on Jan 27, 2009
SOURCE: standby light flashes 3 times
A 3 flash pattern indicates that either the lamp is not seated correctly or that the lamp door is not latched properly. It can also be a fault with the switches that sense whether the lamp is seated or the door is latched. Try reseating the lamp and relatching the lamp door
Posted on Oct 20, 2008
SOURCE: Problem starting a plasma
When it looks like its going to start up and it dosent then its an indication that one of the sweeps didnt start up. When you hit the power switch, the power supply sends an ok signal to start up the horizontal and vertical oscillators. When these start up they go to there respective drive circuits and then the vertical will send a signal to the power supply to keep on going so then the horizontal circuit starts up and sends an ok signal to keep going so then the set comes ob,\. If one of the two doesent start up and stay running then the power supply shuts down. To troublwe shoot these sets you need a service manualo and a good multmeter and a scope wouldnt hurt slso. This set has no user servicable parts inside of her so you need to take the set to a pro to assist you in the repair. Good Luck
Posted on Jun 01, 2006
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