Ever since we purchased our tv, we have not gotten a crisp picture. It seems that there is always a haze around the picture. We do not have cable, but have attached an HD Tuner and HD antena. Neither fixed the problem. Any suggestions?
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The TV has coolant in the CRTs that after years of use get cloudy. you will need to have a shop replace the coolant in all three, it is pretty involved so its best to have a trained tech. do it.
hey i had a similar problem with my television if your comfortable opening your tv "i would if it needs to be fixed" open it up there should be a red cable running from the electrical components to the actual tube there is where more than likely the problem is located, with my television it was that what i did to solve this problem is tighten that connection up and make sure it is closing the circuit so to speak so if you've gotten this far opened your tv and located the wire try pulling on it not to hard obviously but give it a nice pull and have someone turn on the TV while doing so remember don't touch any electrical components and always ground yourself before embarking on any electronic journey if this has any effect on the television the next step is figuring out a way to tighten this connection up obviously we cannot solder or do any of the sort with this type of connection so i would advise to stick a small enough object you can fit next to the cable now we don't want to stab a hole in the cable just wedge it in next to the cable fiddle around with it until the picture is crisp clean and perfect and voila....... it worked for me and has been working for over a year now remember use your head don't stick anything that might cause interference or conduct electricity and there you go noobinuity at its finest
Your old TV was most likely a SD (Standard Definition) TV. SD signals look better on SD TV sets than they do on HD TV sets. This is normal. If you will, imagine having a tiny wallet photo reprinted as an 8"x10" photo. The image would be grainy and not have the crispness of the original. This is the same principle. Your SD source is being blown up to fill an HD screen. Once you add HD to your programming, the old TV will be forgotten. I hope this was helpful.
Search for "coolant change projection tv", there are several good links including where to buy the coolant. I did mine yesterday and it's like having a new TV again, all for about $20 and 3 hours time.
You can get the entire coolant replacement kit at the following link. which contains 48 ounces of coolant and an instructional CD that explains the process step by step with pictures. Its listed under their repair kit catagory.
Here is the link. http://servicemanuals.vstore.ca/
Your CRT coolant needs to be changed. Thats whats giving you the dim picture. You can also clean the projection mirror on the inside this often helps. But the coolant will need to be changed to get back the bright crisp picture. Hope this helps.
throw the set away!the part required to repair the set is the optical engine.Zenith made alot of these sets with defective engine assemblies in wich the lcd filters burn,which cannot be replaced.The labor is also silly.Theunitrequires a complete teardown for replacment.You could buy a very nice new set for the repair bill
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