Phillips 55pp93 5217 - starts up and then shuts down
I have a phillips 55pp93 5217. It powers on for a bout 20 - 30 seconds. I hear the tubes warm up (sometimes start to see a faint picture and then
the shuts down. I know that most modern TV's have auto protection that
will shtu them down if ceratin components fail but how do I figure out if it's just a matter of replacing the RGB tubes etc.
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Re: Phillips 55pp93 5217 - starts up and then shuts down
Initially, pls do a run down of past events:
was there anything out of the ordinary, ozone smell, power outages/interruptions, improper picture display;
any instance where the unit failed to turn on at the first instance.
In the unit's current state:
any blinking lights, if yes how many, any sequence;
any other indicator, clicking sounds;
is the outlet supplying sufficient power, have you tried it in another outlet;
are you using a power strip;
have you tried powering the TV through the front panel controls.
Other than the reset, all other diagnosis/checks would require opening the unit. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
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That is a common issue with the last generation of the phillips big screens, the best answer for this is one that i got at a meeting with phillips service several years ago. On philips the tv will not show a picture till the tubes are balanced out, simular to sony, but in a phillips if the white balance is not correct the picture and sound will be muted till all three tubes have warmed up enough to produce a good white balance. As the set ages the tubes become weaker and this procesess takes longer.
It sounds like the TV may have a shorted CRT, picture tube, but let's trouble shoot:
1. Unplug TV from wall.
2. Remove speaker grill, two on bottom, the screws are covered with plastic caps, right and left side on bottom next to floor.
3. Remove inner panel.
4. The blue tube is the one the right side, remove socket, with phillips driver, make sure it's not touching anything.
5. Plug and turn TV back on, if picture appears with no blue it's the tube.
6. If still shuts down, bad blue CRT driver IC.
CAUTION: Call a factory authorized service dealer to give you an estimate, if this sounds too hard.
Good Luck, Day, Big Irish.
For the majority of phillips/magnavox universal remotes: Hold code search button down till red light satys on. Press the tv button and the red light should blink and stay lit. With the tv on, push the power button repeatedly until the tv turns off.(dont push the power button again after the tv turns off or it will go to the next code). Push the mute button to save the setting.
It looks like that your TV is overheating. Most of the TV's have a fail safe so if any case they are over heating it will shut off so it doesn't damage the TV. i would advise that you seek help of a professional in your area.