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Equipment Repairs => CRT TV forum => Topic started by: infinity on October 24, 2010,20:04:40

Title: Help TV Philips 25PT8703/12
Post by: infinity on October 24, 2010,20:04:40

Hi, i have problem with this tv, when i turn it on his stand by LED blinks.
I have checked collector voltage of BU508 it goes up to 150v and than down to 0v and i also have checked for interrupts.
Already thanks.

Title: Re: Help TV Philips 25PT8703/12
Post by: sparky on October 25, 2010,10:11:11

hi
have you measured line transister being s/c,if ok
leave transistor disconnected and put a dummy
load from collector to earth if bulb stays lite
fault might be loptx
dave