Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: No color
Hello Ivolvo, This problem denotes a problem with your color section of your TV. First I need to know if you have a background in electronics because if you do not it will be very difficult for you to understand what I am talking about. First you will need a schematic diagram of your TV. Then you wil need a multimeter to measure voltage and resistance. Then you will need an oscilloscope, finally a sisgnal generator (use color bars, or gated rainbow). These pieces of equipment will allow you to troubleshoot your problem. If you do not have a background in electronics, please take you set to an electronics shop for repair.
Posted on Oct 08, 2007
SOURCE: repairing lcd tv.
thanks very much about your technical support.but i solve allready the problem of LG LCD TV MODEL LT-15A10 TROUBLE; no picture with sound, i replace the socketed ic SDA555XFL62 PINS. THANKS... LODIVAR.
Posted on Feb 18, 2008
if you have a schematic diagram you need to look for the mute transistor and replace it, if you only have technical experience
Posted on Mar 10, 2008
SOURCE: Dark Picture
Don't know that it's worth the money, but here's a source for a replacement inverter board (powers the fluorescent tube back light that provides 'brightness'). Manufacturer/designers of screen and back light power circuit, not Polaroid, are at fault . Screen and back light are used in equipment made by others as well, and all suffer same design deficiency :
Posted on Oct 24, 2008
unplug from mains, remove back cover, remove rectangular silver casing near the top.unscrew circuit board which should have TDK on it.on the underside of this you will find dry solder, just a general clean of this will be enough. done one today..
Posted on Sep 08, 2009
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