Tv screen is normal, then green then off. Please help
Hi I have a Sylvania Model # 6427TF . When I turn the TV on the picture is normal for a few minutes and then it turns really bright green with no picture. After a short time it will shut off. The sound continues to work and is recieving the station still. Would this be an IC or something like it that I can replace? Or is this the tube? If its an IC or something like this that I can purchase and then replace could anyone tell me an exact location and part # ? Or if someone has a repair manual would it be possible to get a copy? I have a 19 inch sylvania which is around the same year for parts but this is a 27". Would IC's and such possibly be swappable? Thank You's Again And thank you's again for when you helped with the 60" philips (Its still going strong). A.J.
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need. goodluck!
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
It sounds that the width of the picture to your TV is more than normal. There are two reasons for this fault. If the width adjustment data value in its service menu mode has been misaligned or the output DC voltage from the main power regulator is more than normal. You can determine which among the condition stated above is now effected to your TV Just look at the picture. If the width and height of the picture is seem to be more than normal, make sure that the power regualtor section circuit has the fault. If the dimension of the picture is affected to its width only, [excess than normal] the data value with service mode should be checked. Also note the position of the picture. If the picture position has moved so much than normal, ether towards left in this case, you have to adjust the picture position. Anyway, it will be best to contact any experienced service technician, since, service mode entry and data adjustment are skilled work.
> I have a 19 inch sylvania which is around the same year for parts but this is a 27". Would IC's and such possibly be swappable? Possibly; I'm not familiar with either of your sets but there are several places ths could happen and in one of them, it would use a fairly large IC with 26 pins.Common older part numbers are: - M51387- LM1205- LM1207 All of these vary somewhat from each other but are all the same pin count and all handle RGB signals.If the two sets both have one of those numbers and are the same, these can be swapped.The latter two differ in their bandwidth; LM1205 - 130 MHz, LM1207 - 85 MHz.The 1205 can replace the 1207 in most circuits. The above would be the 'nicest' problem, others are more difficult to diagnose: - Failed green final drive - this would be on the CRT base board and a transistor that is intermittantly shorted - A capacitor working with that transistor is shorting The two problems above could also be in an area that is using much the same components in both sets.- A short internal to the CRT between the green grid and its cathode. This one can also be intermittant. The cathodes have a coating that can peel away from the metal tube and produce a high resistance short between cathode and green control grid, bleeding off the negative bias of the control grid. This is a tough one to verify as one should have a thorough background in this area of electronics and preferably a bit of test equipment not found in most garages. The more I think about it, the more convinced I am that this probably isn't in the range of DIY enthusiasts. If you can find any TV repair left in your area, I would even recommend that you have this repaired instead of racing out to buy a new flat screen of ANY brand name.Do some research here at Fixya and look for 'flat screen TV problems' or LCD, plasma or projection TV.All of these are crapping out awful early in life and there are millions of unhappy consumers out there who have spent billions of dollars to upgrade for the coming HDTV changeover and their sets are already broke before it happens.Hopefully, you got at least one of the taxpayer funded "coupon eligible" converters. We have ours for our two older sets to use when our pretty big screen TVs take a dump.
When you say small horizontal screen, ¿Do you mean picture does not fill the screen completely from top to button? ¿Do images display normally though they are smaller in size? ¿Is color and definition of signal OK? Please answer so I can have a better picture of the problem.