TV set needs to be warmed up before it will on continuously.
Then it has now the problem that it will on for about 8seconds then will off automatically. you need to turn it on using the remote control.
I did some resoldering thinking that it is just a cold solder but nothing happens.
here is the voltage measurement:
Filter cap = 298 Vdc
Collector of Horizontal out Trans = 35Vdc
What are the readings supposed to be?
What approach can I do to troubleshoot my TV?
Thanks in advance.
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Re: 21PT3324/71 Philips TV wont stay on
Try this: On the flyback transformer, raise the SCREEN voltage. There are 2 controld on the flyback - the top one is FOCUS and the bottom one is SCREEN. As the tube ages its emission decreases, and the computer monitors the tube's emission. When the emission gets to be too low, the computer shuts the set down. This is exactly like IK blanking in Sony sets, except Sony blanks the video and Philips shuts the set off. To set the screen voltage properly, turn the brightness and contrast to 0, raise the screen voltage until you see the white retrace lines in the picture, and then back down on the screen voltage until just past the point where the retrace lines are gone. Reset your brightness and contrast and the set should play fine.
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These blinks are fault indications, called blinking codes. To count the blinking codes to Philips brand Televisions are some what different. It cannot be counted directly. If you wish to get more details about how to count the blinking codes, and convert it into fault codes, check the site linked here. It is very difficult to type in all here by this window. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by its
left side bar, or view it in Timeslide option.
1.Turn the television set on by pressing the "Power" button on the set.
2. Find the "Code Search" button on the Philips Magnavox remote. This
button will be labeled or will be a different color than the other
buttons on the remote (depending on which Philips Magnavox remote you
3. Hold the "Code Search" button down for about ten straight seconds. The
light on the Philips Magnavox remote should then stay on.
4. Starting pressing either the "Up" or "Down" channel button on the
Philips Magnavox remote. Continue pressing the same button until the
television responds to the remote. It could take a few minutes for the
channel to change so you'll need to have patience when searching for the
remote code in this manner.
5. Press the power button on the Philips Magnavox remote once the channel
has changes. If the device shuts off, press the power button again to
turn the TV back on. If the TV turns on, the remote has been programmed
correctly. Repeat the entire process if your remote is not programmed.
well usually what works for me is a small heater on near the tv or just keeping the room above 65 degrees. There is a way on some tv's to turn off the power saver and that will keep your tv warm. But on others you cant turn it off so you have to deal with the heater or keeping the room warm cause that tv wont turn on for anything exept if its warm....
Picture tubes rarely go bad. You have a bad connection or something on the circuit board that is breaking down due to the temperature change . Probably an easy fix. Not something an unqualified person can do though. Your local shop should fix this for about $60-100.
Is this happening when you are switching between color tempature (Normal,Warm, and Cool). You wont be able to access it in normal menu.
You will have to accesss the service tech menu. enter "062596 then info", if u enter the code correct at bottom of screen you will see a warning menu only access by a service tech , continue in menu you will see on main option screen "alignment" enter this. Go to white point adjust the three temp settings (Normal, Warm, and Cool) settings as follows.
Color Temp. I Red I Green I Blue I
Cool 122 120 121
Normal 125 118 108
Warm 127 110 75
( These are factory specs u can tweak them to your own perference)
After u set these press left on remote and exit back to main service menu and store these setting before turning TV off set these settings
I see this alot when Philips manufactured the TV. The did store the settings.
If you dont have the codes for a philips universal remote you have to press code search and TV at the same time till the led light stays on. Then press the power button a few times untill the power turns your TV off, then press the OK button. After that the code should be in the remote.