Magnavox 25F800


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Magnavox 25F800

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jimS
New User

Jun 2, 2006, 12:55 PM

Post #1 of 3 (1183 views)
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Magnavox 25F800	Can't Post

Has anyone ever had a 25F800 that shuts down every few seconds and r3340 on crt board is good? when picture is on it is clear not washed out and no retrace lines. It just keeps going into shutdown. I have checked all the resistors and diodes around the flyback and cannot find a problem. Any suggestions?

coochieo
New User

Jun 17, 2006, 4:15 AM

Post #2 of 3 (1145 views)
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Re: [jimS] Magnavox 25F800 [In reply to]	Can't Post

Jim i would change the power supply regulator it sounds like it's leaking
and letting the voltage increase to shutdown.i had this problem with
this same model.
coochieo
ROB

Paulpablo
Enthusiast

Jun 18, 2006, 10:05 AM

Post #3 of 3 (1131 views)
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Re: [jimS] Magnavox 25F800 [In reply to]	Can't Post

Inspect mother board very carefully for bad solder connections. This chassis is famous for this problem. Also check C432 (100mfd) .

(This post was edited by Paulpablo on Jun 19, 2006, 8:56 PM)

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