Question about RCA D52W20 52" Rear Projection HDTV-Ready Television
I have an Apex model GB65HD09W television. The convergence began going out and I found on the internet how to re-adjust the convergence on the set. followed the steps mission accomplished.... for awhile maybe a week. Then convergence would click out we'd just ignore it and in a matter of an hour or two it would go back in. Finally. now it goes out.. I can tap on the lower front panel and kick it back in every time it goes out. so far knock on wood. I contacted my local dealer whom I purchased the TV from (aprox 5 yrs ago) and is also a service repair shop hates dealing with APEX as they have a horrible time getting parts for them. I was quoted a $75.00 diagnostic fee and then based on description of the problem a convergence module for a bill of $300 - $500 if that is all they find wrong. My question is... is this a fix I can peform myself and if so.. how?
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
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