Question about Televison & Video
The convergence is quite fixable, but what itlooks like is that the memory locations that store the convergence data are getting scattered, and you'll need to look into why that happened andfix that FIRST, then fix the convergence.
If this can't be fixed by adjustments,replace both STK392-040 convergence IC's with OEM or better quality = I use Panasonic with great success. They are soldered in and requires at least PCB removal or perhaps entire chassis.
I have some more steps for you to try:
First, take a look at the following web site information. Unfortunately, some RCA sets have manual convergence boards - whichmeans you can do nothing but replace it and adjust the manual controlson the board itself.
But some of the newer ones (Maybe yours) can be accessed through theservice mode. So, give it a try. I have also copied the part of theweb site that gives the entry code to get into the service mode:
5.4 GE / RCA / PROSCAN
Read the _ SERVICE MODE WARNING _ before proceeding.
To enter service mode, push and hold the [Menu] button on the set.While holding, push and release the [Power] button, then the [Vol +]button.
You will now have some information on the screen: "P0 V0"
To actually be able to change these values, you must push [Vol +] onthe remote so the information reads V76. Then pushing on the Channel+/- will change the "P" value.
P1 - 3 are error codes. If there is a problem with the set that can beself-diagnosed, the "V" will report the code. These codes are availablein the RCA repair manual.
P4 - 7 control the horizontal size, shift, vertical size and shift.
You may also find a summary leaflet for the service tech clippedsomewhere inside the chassis. The procedures for getting into theservice mode, as well as the service items of interest will be there.
If you're attempting to adjust color or geometry errors, you'll needthe Video Essentials DVD, Laser Disc or some other source of testmaterial.
With luck, you MIGHT be able to adjust it back into better alignments.
If you end up needing service, the price of the convergence board - ifyou can get it from RCA Parts - should not be over $100, but I have notactually checked it lately - and it depends on the model.
The installation is quite time consuming, so it may take a couple of hours for a tech to install and align it.
In my opinion the $400 plus charge is way high. I encourage you to lookelsewhere. Also, the RCA web site has a link to authorized servicecenters; you might try that, also.
Wishing you the best,
Posted on Jun 16, 2009
Can you please explain your problem more elaborately, as it is not very clear as to what you are trying to ask.
Posted on Jun 16, 2009
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Posted on Jan 02, 2017
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