Question about RCA RT2250 System

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When i unplug my rca rt2250 home theater system. the green light comes on on the right side. then goes off. everything works good after that speakers sound good. but once in a while that green light comes back on and the speakers cut out. then i got to unplug it to reset it and it will work again. sometime works for hours and sometimes 30 minutes. what could that be!!!!

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  • cirwin7224 Mar 12, 2009

    were do i find the parts for my rca rt 2250. like the amp ic and what does it cost if i replace it.

  • cirwin7224 Mar 12, 2009

    can you help me locate this part on the board so i can replace it. im not sure what im looking for

  • cirwin7224 Mar 12, 2009

    how do i now what ic it is is there a number on board to look for

  • cirwin7224 Mar 13, 2009

    i will try to locate ic number for you. its been working all day.



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This is the amp IC and while unplugging and plugging it in again helps reset the IC for a little while , it will eventually completely quit and will need replaced
make sure that none of the speaker wires(bare wires) are touching or look like they might be where they are connected at
also if turning up the volume makes it cut out or sound bad then this will also indicate a bad amp IC

Posted on Mar 12, 2009

  • 2 more comments 
  • jason Mar 12, 2009

    You would have to get the number off of the IC on the heat sink and you can try to cross reference it here$$Search?OpenForm

    this is an electronics parts supplier

    and there is a link button for locating a nearest distributor (parts store)

    sometimes CHIPS and IC's are just not available to the public untill a later date or sometimes not at all , but you can check the numbers there , if not then I'm sure there will be one online.

    if you have trouble let me know

    power to the amp and audio in on the circuit should be checked for low or other possible electronic component replacement

  • jason Mar 12, 2009

    they are the IC's screwed on the big heat sink and may start with "TDA" for thier identification number, I have been trying to locate a service manual or schematic for it to see what IC they used,but I haven't found one , free anyway

    if you can get the identification numbers on these IC's for me i'll help in trying to locate it

  • jason Mar 12, 2009

    the speaker output circuit will lead back to the amplifier IC

  • jason Mar 13, 2009

    it might be the tda7293

    but i'll wait for you to check this so I can make sure you get the right file and info



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