Question about Hyundai ImageQuest DPD4210 42 in. HD-Ready Plasma Television
I have got 2 or3 1inch thick black lines running top to bottom of screen since the screen got slightly knocked
Had the same problem. Was quoted $800 to fix. Searched the internet for 6 months and found this thread on avforums.com Read through all the posts. Very simple fix, but you have to have some mechanical inclinations or you can cause more problems than you started with. I was up to 5 of the black lines, but decided to attempt the soldering these guys did and fixed it all for the cost of a soldering iron! Even if you decide not to attempt it, it gives you somewhere to start to tell a technician.
Had the same problem. Was quoted $800 to fix. Searched the internet for 6 months and found this thread on avforums.com
Read through all the posts. Very simple fix, but you have to have some mechanical inclinations or you can cause more problems than you started with. I was up to 5 of the black lines, but decided to attempt the soldering these guys did and fixed it all for the cost of a soldering iron! Even if you decide not to attempt it, it gives you somewhere to start to tell a technician.
Posted on Oct 16, 2007
If these are thick black lines, this is most likely line frequency noise entering the set. you may have a leakage from the DC ground on the secondary side of the powersupply to the AC side, or a bad filter capacitor(s). Most of the time it is the filter caps that give these types of problems. If you are connected to cable TV service, or an outside antenna you can also have this problem from an AC ground loop return. Also if there is a device such as a VCR connected to the TV and it has problems, it can cause this as well...
Posted on Mar 20, 2006
Hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works
Posted on Oct 30, 2010
My too, did you figure out the problem? I just have one 1" thick fuzzy black stripe from top to bottom that is not pefectly straight.
Posted on Nov 14, 2008
If this set has impact damage, chances are the panel is damaged. The FPC cables connecting the panel may have connection issues as well, this would be repairable, replacing the panel itself is not economical. Joe Weibel
Posted on Feb 12, 2007
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Posted on Jan 02, 2017
Hi I have just fixed this problem on my screen. The fault was a dry solder joint on the driver circuit of the screen. Have a look at my thread here. I have tried to explain it as well as possible. Hope it helps.
Posted on Jan 23, 2007
Hi , This is a common fault and easily fixed ,Ive posted some stuff under the hyundai 4240 section, 3 inch black lines , Please go through all the posts as there are links to photos to help you along , Tip , Use a digital camera for log you process so you know where all the screws and cables go , also , lift the brown strip upwards and slide the ribbon cable out ,and do the repair to them all..you understand once you read all the links
Posted on Aug 27, 2007
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