It could be a bad connection that shows up when the screws are tight that hold it together. Put one screw in, test, next screw, test, etc till you find the one causing the issue.
SOURCE: Mitsubishi flashing light replaced capasitors that were blown tv still has flashing light
The four cap replacement in DM module repair is simplistic
and incomplete, as you found out. ALL defective DM modules
have bad SMC's ( small "top hat" caps) AKA surface-mount
capacitors that can be changed only by the most highly skilled
bench techs. We used to change out hundreds years ago in
camcorder circuit board repair.DM board repair is a much more
accessible,thus more "do-able". For more info.............T.
SOURCE: Flashing Screen
ok, the problem you may be having is bad solder connections on the vertical deflection IC. resolder them or have a tech do it. also check for bad solder on the 9 volt regulater IC as well. these problems are common to older sony sets.
SOURCE: Flash in Canon SD630
you might want to check the wires on the flash tube. or it could be the flash circute. most of the time it is just a loose wire.
SOURCE: I have a Vizio VX32L and when I turn it on the screen flashes and
There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Parts: http://www.shopjimmy.com/catalogsearch/result/?q=Vizio+VX32L+
Please post back what you find.
Testimonial: "Thank you. I was checking them out."
SOURCE: Vizio VO37LFHDTV10A. The screen is black but I
the backlight inverter might be out
Testimonial: "I will order one and give it a try - THANKS!"
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