Question about RCA RT2280 System
I bought an RCA RT2280 surround system off of some kid on kijiji, but the damn thing stopped working after about 30 minutes of use, it seemed like it lost all signal and it went fuzzy. If i turn the system off for a while and try it again it will work, but only for about 30 minutes again. It seems like its over heating but it doesn't feel hot... Help me!
These receivers are know for having some bad solder connections on the main board around the heat sinks that the amp IC and the voltage regulators are attached to.
The symptoms you describe would point to that as a very likely source of your problems. That is for both of your problems.
With broken solder joints on certain components, the unit may play normal for a while and as the solder heats up it will expand and loose it's conductivity and bingo, problems with any number of things.
With heat stressed solder connections, not broken ones, the solder will conduct ok for a little while sometimes and as it heats up it gets less conductive. Many times heat stressed solder is less conductive than normal without heating up.
You can identify the heat stressed solder visually. It will be very dull, not shiny and silver like normal solder. It even gets a grainy texture to it.
Broken solder is recognized by the rings around the components lead that it is solder to.
If you have some decent soldering skills or know somebody who does, ask them to reflow the solder on the main board that looks like it could be bad. Just make sure the unit has been unplugged a while before you try it.
The bottom panel comes off of this unit if I remember correctly, or there is an access panel right under the problem area. I don't remember ever needing to take the board out of the unit.
If this information was helpful to you a good rating would be really appreciated.
One other thing you need to know is that if you need to get parts for this unit, you are out of luck. RCA no longer sells parts for the audio equipment they sell. They do have a shrinking supply of some of their parts, but once it runs out thats it for RCA audio parts.
I know this because I work at an authorized RCA repair center.
Posted on Jun 22, 2008
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