I have a 36in phillips tv that just started having lines on top of the screen that looks like it reverses the picture.no problem with color or audio.the lines look like they fade in to the picture about 3 inches
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There are two main causes for this fault. The first one is, advanced screen voltage to the screen grid of picture tube. The second one is leaky blue video output transisotr.
Just open your TV, and locate the screen control. It usually can be located with LOT [Line Output Transformer]. There will be two adjustable controls integrated to this LOT, marked as screen and focus. Out of which, the lower one will be for screen adjustment, and the upper one for focus adjustment. Just rotate the screen control [the lower one] to a little counterclockwise, so that the thin horoizontal lines on the screen just fade of. Adjustment is critical and should be done with care, and a small movement may just be enough. If it does not help you, repalce the blue video output transistor. This part can be located at the bace card [the printed circuit board fitted to the neck of the picture tube]. Locate it, replace it. OK.
The convergance or y-sus board can become faulty. The capcitors do tend to burn out. It is about a $250 + repair for this. Not all parts can be repaired, but they can be replaced. A capacitor tester and multi-meter are about the best tools for the job. If the price you get is over $250, I simply would replace it instead of repairing it..
I'm having the same issue with this TV! From the top of the screen to
about two/three inches below there are thousands of horizontal lines with a
whitish tinge which seem to be reflecting what is just below these lines! I’ve
never seen this issue on any TV ever! From what I am seeing now is that many
people are having this issue and more! We should put a class action lawsuit
against them! If anyone knows anything, please post the info. Many tech forums
are loaded with issues for these TV’s but this issue seems to be prominent!
My mom had two Phillips TV’s; one just under two years, and the other
just under a year and Phillips refused to fix either without a large expenditure
on her behalf. She told me never to buy Phillips and I should have listened. Phillips
used to be a great company so I don’t really know what has happened? This was a
TV for my Grandmother and it wasn't at a bad price not to mention the picture
was great albeit severely over scanned.
As for her TV, we had it about two weeks over a year and Phillips said there
was nothing they could do! They said they would pay for the cost to replace the
tube if I took it to one of their dealers but they said the cost to bring it there
and repair would fall on me! Also if the issue was not related to the tube I
would have to pay everything OOP! The lady laughed on the phone and said even
if it had been under six months or under a year they would still only pay to
fix the parts and everything else would cost me! WTF?
The moral of the story is NEVER BUY PHILLPS/MAGNOVOX EVER! You might be
getting the TV deal of the century but it is not worth it in the long run. I originally
thought my mom was nuts, but now looking back considering the issues others are
having, and realizing the **** poor way Phillips support deals with ALL
problems, they’re simply not worth the money or trouble. I WILL NEVER buy another
Phillips, Magnavox, or Funai product ever again, whether it is a TV, clock, DVD
player, and/or ANY electronic device! If you do you HAVE BEEN WARNED and WILL
Pls note that my experience is with the phillips 27" model27PT6341/07. It may not be the same board as yr model, as I can't remember nor find the service manual anymore. (browse around online for it though)
However, after taking the back off. Look close to the rca jack and svideo connection. Mine is located about an inch from the svideo connection.
Here are some pics that may help you. http://farm4.static.flickr.com/3215/2337629026_eaa30cfa18.jpg?v=0
The ITC008 chassis is commonly riddled with poor solder connections. Good soldering station, patience and some good light and magnification and you might be able to fix it... Or you could spend a few dollars and run it into the shop and have a tech do it! It's not an expensive repair.
sound like the screen control on the flyback is set just a little too high. the flyback has the red wire attached to the tube. the flyback has 2 small adjustable controls. if you look close enough 1 is marked focus & on is screen. turn the screen slightly to the left & look at your picture. the screen is like a master brightness & if it's up too high you will see what is called retrace lines.