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Re: Magenta TV color goes magenta
CALL HIM BACK . sometimes when we troubleshoot a problem another one pops up ,when troubleshooting we move boards and unplug connectors . there can be dirty connections that pop up when where done and even a broken solder joint as well . he should fix it for free . i know we do and it does happen to us once in a while . good luck
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I had a TV do that about a year ago, the repair man said it was the color wheel inside the tv. I changed the bulb to see if he was BS'ng me and eventually got the manufacturer to send a color wheel and I change it myself, was very easy...TV works fine ever since. Hope this helps
sesshomaru69, Is your tv LCD or Plasma? How old iis it? Is it still covered by Warranty? Your symptom sounds like it could be a power supply problem internal to the set. You will need to have a service tech look at it. Probably the Switch-Mode-Power-Supply has sensed a failure with some other circuit or with itself and goes into what is known as SHUTDOWN mode to save itself from becoming a catastrophic failure. Your best shot will be to have someone look at it.
Zenith has a building somewhere in Lincolnshire, Illinois but they are owned by LG (Lucky Goldstar) Korea. Most likely everything in the tv is from the Far East and assembled in Mexico, but that's just a guess!!! I'm louie12fix on fixya or lmistyrel @ aol.com Bye for now.
Absolutely not worth repair. You have described a classic symptom of Zenith picture tube failure, and about 99% of the time the main board in the TV is ruined as well. You've gotten good life from the set (manufacturers figure tube life is around 7 years these days), so it's time to replace it.
Yes it could cost as much as $450.00.Your set Needs Both of the STKs replaced. Hope you can solder or get someone who can, STKs are convergence ics they also control power too! If you have in your set STK392-110s use the 180s 110s do not hold up They will be big black ICs
Most of the time TV problems arise by power supply noise. This noise in the supply is usually caused by Electrolytic Capacitor failure. If you are technical, you can get the schematic and look for the voltage regulator circuits. Measure the voltages with a DVM using both the DC and AC settings. If the DC setting is lower than normal, you will probably see about .5 to 1v of AC voltage on the line. Look for the large capacitor in the regulator circuit and replace them. Cost about $.50 each. Get new caps with slightly higher voltage rating (if they will physically fit).
If the hour glass figure is a seperation of colors that appear to be convegence mis aligned, then, the convergence ICs would be the problem.
If the picture is clear and you have a bending on the sides then the pincusion circuit in the horizontal circuit is where to look. Be careful of this circuit, it does control the high voltage.
The only way to have a board checked is to have an Authorized Service Center look at it.
It does, however, sound like there is a cold solder joint in the power supply that has gradually opened up and now is permanantly open.
Call Zenith (LG) to see who they recommend.
Sounds like you have a vertical failure, and is causing the power supply to shut down. A repair person can probably repair this main board in this set but it will cost more in time and labor to repair. So the right thing to do is replace the entire module. This Zenith was designed to replace the boards completely to shorten down time as well as labor. The board this set needs is a 9-02107 module, and is avail from http://www.partstore.com for 52.44 + shipping. I dont think you should attemp to do this repair by yourself if you have no electronics training or tv training. This is just so you know what you need and get an idea on what this will cost you to repair. Good Luck