We have just had our Philips 55PP8620 tv fixed( had like 3d bubble around images) and have got it back and the left and right edges of the screen seem very bright as does any part of the screen when there is a white image. we have tried aligning the multipoint and converge arrows but they also don't seem to save. what is the intellisense meant to do. We got this tele for free as the owner thought the previous problem was going to be to tedious to fix. so we only have 1 manual and it is in every language but english. is there a site where we can get a free manual please help as we are totally clueless!
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Re: Bright On left and right edges
OK, Time to fix it !!. Replace two Ic's Stk 392-110, and get in service menu settings , and adjust point by point. After replaced stk IC's, check if any resistor look brown or born, if yes, replaced it with 6.8 Ohms.SOme time SSB is defective ( small signal board, replaced it ) If you have questions? firstname.lastname@example.org . Good Luck !!
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You can verify it's the back light.
Turn the set on and place a bright flashlight against the screen. Look around the edge of the flashlight for moving images. This will show the back light is off.
You most likely need a back light inverter board. If this set is under warranty you should return it to get it repaired/replaced by the seller. IF YOU KNOW HOW TO WORK WITH ELECTRONICS REPAIR(replacing board ) or have a friend with knowledge/skill you can fix it.
Since you did not give a model I can not give more direct information. You can search for a board at; eBay, shopjimmy.com, and many other sites.
This looks like a problem with the back-light inverter. Since you can hear sound you can place a bright flashlight against the screen. Look for a moving image around the edge. This verifies the picture is being processed.
IF YOU KNOW HOW TO WORK WITH ELECTRONICS REPAIR(board replacement) or have a friend with knowledge/skill you can fix it.
You will have to get a replacement board for your set. Remove the old board from the back of set. Install the new board.
If the backlight is not turning on, you should be able to see the lcd image by shining a bright flashlight at the screen.
Backlight inverters are loud, so you can hear them operating (high pitched whine) and if the backlight is coming on, you can see white light leaking around the edge of the screen, and even a little inside the cabinet.
Philips are legendary for having power supplies that fail due to bad capacitors, so that could be the culprit as well.
Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.
The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded overs.
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Inside of the tube assembly, there is a cooling liquid. This could be a job to change, and then re-adjust everything. It is also possible that on top of this, there are problems with the convergence and bias control circuits.
Typical repairs can run in the area of about $400 to about $800 depending on the amount of work and type of parts required.
Personaly, I would go out and get a good Plasma or LCD TV at this point!
It sounds like the CRT COOLANT needs replacement, it is a fluid that trys too keep the picture tubes cool , but it some times get "dirty". The fluid is called 'PROJECTION TV COOLANT', it contains; High Concentration of Ethylene Glycol. You can purchase at M.A.T. Electronics; (215) 354-7667, in PA. Part Number 212072-16.
BUY at least 2 containers. CAUTION: remove tubes from TV, just alot of plugs,remove plugs, clean "fluid" chamber, replced discarted fluid. Good Luck, big IRISH. PS more INFO; come back.