Main > Monitor/Video Forum
D9200 out :(
lilshawn:
A bad flyback is a definite possibility. I wouldn't rule it out, but I also wouldn't jump ship on it yet either.
But do check and recheck everything... Sometimes not fixing one thing will cause something else to fail. With these chassis, it seems like all sorts of things go wrong with them.
Seems as though you have to get this thing 100% before putting the juice to it, or it blows a bunch of parts out in the process.
Madman:
Its the waiting game now....(10A damper diode from BD enterprises) John from WG is on the flyback is good fence.... whats the best way to test a flyback?
I also received the cap kit from Zanen Electronics.... Everything looks good but the big power caps were not included... Mine are not bad so I am not stressed about it... If I am not to tired I'll do the HOT side of the board tonight...
lilshawn:
--- Quote ---whats the best way to test a flyback?
--- End quote ---
honestly? i have no idea. i've never had to test one. they have always just worked, or obviously failed (burned holes in case)
my best guess would be to do a resistance test throughout the pins... if there is any 0 ohm readings between any pins my guess it would be bad.
it would be good to test the new one and compare it to the old one though...
grantspain:
i had a d9400 flyback go,customer reported burning smell and when i checked the chassis I found a 2sc5387 and a irfs634b both short circuit.I replaced them both and it fired up with a picture for about 30 secs and blew both again and red hot.
Flyback had no obvious signs of burns but i changed it anyway along with the other 2 components and hey presto all up and running
shagster:
--- Quote from: Madman on January 12, 2011, 09:31:11 pm ---Its the waiting game now....(10A damper diode from BD enterprises) John from WG is on the flyback is good fence.... whats the best way to test a flyback?
--- End quote ---
http://www.electronicrepairguide.com/testing-flyback-transformer.html