Question about Televison & Video
I am having a problem setting my convergence on my apex tv model number gb5801
Replace the convergence ICs very common problem for all rear projection Tvs that develope a convergence control issue.
Posted on Jan 02, 2013
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Posted on Jan 02, 2017
You need to re-solder the circuit board that contains the STK
convergence modules. They're on the center circuit board attached to an
aluminum heat sink that's about 8" long and 6" tall, about dead center
in the circuit board. You may be able to recreate the problem by gently
moving the heat sink (which the modules are connected to). This
is an indication that the modules pins aren't solidly connected
(meaning soldered) properly. Remove the circuit board and clean the old
solder off & resolder the modules pins to the circuit board
reconnected the board and then retest by again pushing on the heat
sink. This is a caused by a minimum effort (a.k.a. minimum cost)
solder job, probably done in some 3rd world sweat shop. The "factory"
job was good enough for 3-4 years but the heat (and these modules do
create a lot of heat) and stress created from repeated use eventually
takes it's toll, weakens the pin connections and our problem occurs.
take the appropriate cautions working around the high voltage of the
set & use a non-conduting piece of wood to push the heat sink when
we doing tests.
Best of luck, hope ya fix it.
Posted on Jan 18, 2008
SOURCE: Sony HDTV Convergence Issue
I have the same issue, on my 60pp9202. It works some times, and then its ok. If I leave it on, it will be ok, until it gets turned off.
Posted on May 09, 2008
SOURCE: i have a 52 inch
you can go into the menu and manually adjust the convergence it will look better most likely but a television should always be converged by a professional when first bought any way because they can do things we at home cant. i have mine done by a professional once a year and do it myself once a month to maintain the best possible picture. good luck
Posted on Sep 22, 2008
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