My phillips is loosing it's volume. I have a blury green vision screen. when i try to turn it off it takes a few seconds before it acutually turns off but then it turns back on. When i try to chang the channels it goes blank and the power light lifgt stays on.
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Re: help me please..
An all too common problem with that unit is the Ssb or (small signal board, Philips p/n# PH3912725871 located just behind the tuner. It's actually a simple fix for a shop, what we call a plug & play repair but the part isn't so cheap. Last one I did thursday I bought from Vance Baldwin $267.82 plus shipping and core. You get the core back when you return the old part.
You might call a few shops like you know what you're doing and ask what they charge for changing the Ssb in your unit.
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There seems to be two problems with the unit. The first symptom indiates your convergence IC's needs to be replaced. The second symptom coud be a several things, 1. Bad connections on the Crt board of the green tube, 2. The 200v screen bias voltage supplied by the flyback could have bad connections on it. Seems you have intermittent cold solder joints. Check the D board around the Flyback area for bad connections, or old grey looking solder connections all should look shiny. 3. The Green Crt maybe going faulty, the lines going thru the picture are scan lines and indicates that the Screen controls are to high. But i know you have'nt adjusted these so i would suspect the Green Crt is Faulty. But check solutions 1&2 first, One way to find out if its bad is to unplug the green crt board from the tube and turn the set on if it stays on and does'nt shut down then it is faulty, also while turning on look at the crt's neck for sparks which indicates arching in the tupe and will need to be replaced. Replacing the Convergence IC's will solve the distorted pic issue.
You have bad convergence IC's. Replace both the red and blue drive chips. They are easy to spot. They are mounted to large, finned heat sinks. The # on the chips starts with "STK-" and then there are numbers following. Both red and blue use the same part. There are 20 or so pins to unsolder\solder. These parts are available to the consumer from tritronicsinc.com. Good Luck!!
you need to change the coolant in the CRTs. Thats a common problem with the blue and green CRT in phillips magnavox rear projectionsIt makes the color and clarity as good as new after the coolant has been changed. If you need more info let me know, as there is a kit that has the coolant for all 3 tubes and CD with the step by step instructions with pictures available.
some televisions are under warranty for up to 2 years, so please check that first.
Second, unplug your television until you can complete some internal repair.
If you feel comforatable completing the repair yourself, our experts can walk you through it. You will need assistance through our premium service.
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