Question about Televison & Video
Hi, I got an LG 47LF65 about 5 years old but for the last few weeks the TV starts to playing around, Everyday when I turn it on the TV starts ok but after few minutes starts to appear lots of line the screen starts to flicking but after 10 - 20 if you turn it off and on few times the TV starts to work again but the problems are getting worse everyday, like today the sound stop working, I checked the volume, the mute button, the audio settings of the TV and everything seems to be ok but no TV sound, PLEASE HELP?
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Posted on Jan 02, 2017
SOURCE: stripes on screen
This is just a poorly designed TV, it has thermal problems, if you notice there is room for a fan at the top, but they left it out. I have had the power supply die and I fixed it, no help from Niko. I have resolved to let this tv die when it is ready now and move on. An expensive lesson on early adoption of cheap off-brand products.
Posted on Apr 14, 2008
Let me give you Technical tip. Find "IF Block" in TV, it would be near Tuner, Open the IF Block and resold it with solder iron. make sure not to make bridges between solder points. Reason of problem in your TV is .."acostic tuning frequency drift". I dont know, how to clear my point. But I am sure, this will solve your TV's problem. Good luck.
Posted on Jul 30, 2008
for cms voodoo, change your power module.
for tomchik, check your input voltage for voltage drop or fluctuation, if any employ voltage stabilizer, then change your power module. make sure that there is enough ventilation around your tv.
for bananahead , go and change your backlight inverter
Posted on Oct 11, 2008
Rplace both capacitors on inverter board along with surface mount fuse on other side of board. The caps will aapear puffy on top.
Posted on Jan 04, 2010
That can be the T-CON board failure or main board. It can be heat relate so you will need freeze spray for electronics troubleshooting to cool down the T-CON board first to see if it starts working again.
You should also check the power supply first to make sure it does not have any bad caps and the DC output voltages are OK.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.
Posted on Jan 18, 2011
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