Phillips magnavox A80ECK272X53


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Phillips magnavox A80ECK272X53

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johnnyz
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Jul 22, 2005, 11:05 PM

Post #1 of 2 (1132 views)
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Phillips magnavox A80ECK272X53	Can't Post

Phillips magnavox A80ECK272X53
Picture went dead, while watching. Line fuse still ok, and no signs of anything burned. Green power led stays lit when power button is pressed, but no power to the tube.
Could the tube have went out? Any ways on how to check the tube, or could it be some other part?

Thanks for any help

mel
Veteran

Jul 23, 2005, 12:45 AM

Post #2 of 2 (1122 views)
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Re: [johnnyz] Phillips magnavox A80ECK272X53 [In reply to]	Can't Post

Philips CRTs rarely "go out", they just fade away. First check to see if the filaments are lit. If not, check the resistance across pins 9 and 10 of the CRT itself. If none, the filaments a re burned out and you can stop there. Next check the resistance between these pins on the CRT board with it still unplugged from the CRT. If none, it is probably the fusible resistor in the filament circuit (it should be about 2 ohms). You should have the following approximate voltages on the CRT pins. Pin 7 = 350 vdc Pins 6, 8 and 11 -140 volts. From there, you probably need professional help.

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