Question about RCA RS2664 Shelf System

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I have a RCA brand home stereo system. Model number RS2664. Recently, the big speakers (the bass reflex subs) quit working. And I plugged them into the smaller speaker Jack, and they work fine. The subwoofer ports [bottom two ports indicated in purple(+) and black(-)] are dead. No sound AT ALL travels through. Even the negative port doesn't work. Can you help me?

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The sub-woofer amplifier is probably blown. This is a separate circuit from the other channels. It will need to be repaired. It is likely a bad transistor or open resistor that over heated.

Posted on Nov 09, 2010

  • igotyourpinx Nov 09, 2010

    How much will it cost? Can I put in the new one if I bought it?

  • Rommel Alilin
    Rommel Alilin Nov 09, 2010

    I recommend taking it into an audio repair shop. It requires troubleshooting, isolation, and skill in using proper test equipment to replace. Get an estimate first. I'd say around $85 - $100. If this is too expensive for you, then get another unit.

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You have a very good system...one of the best of SONY..SUB does not get activated automatically especially on STEREO mode.DIRECT STEREO Notes • No sound will be output from the subwoofer.
.your system has Dedicated Power Amplifier for 2 Externally Driven Sub-Woofers (200W RMS x 2)..in order to activate the sub woofer amplifier you need to make a selection on the surround modes while you are switching the modes of the surround you will see the speaker position on the display of receiver as well..if you do not see the sub woofer it wont be activated..Sound Field Program (A.F.D) is a good example to test it..
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--------------------
Additionally please follow the instruction on your user manual to activate the SUB ,as is follows..

-----------------
BASS-OUT
Low-frequency (bass) signals can be directed to the
subwoofer and/or the front left and right speakers
according to the characteristics of your system. This
setting also determines the routing of the LFE (low-
frequency effect) signals found in Dolby Digital or DTS
sources.
Choices: SWFR (subwoofer), FRONT, BOTH
• Select SWFR if you connect a subwoofer. LFE and
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to the subwoofer according to the speaker settings.
• Select FRONT if you do not use a subwoofer. LFE and
low-frequency signals from other channels are directed
to the front speakers according to the speaker settings
(even if you have previously set the front speakers to
SML).
• Select BOTH if you connect a subwoofer and you want
to output low-frequency signals from front channels to
both the front speakers and subwoofer. LFE and low-
frequency signals from other channels are also directed
to the subwoofer according to the speaker settings. Use
this function to reinforce low-frequency signals using
the subwoofer when playing back sources such as CDs.

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You'll be ready to pump up the bass.


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Please check your model number, I can not find it on the JVC service website.

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No bass...


i have the same problem

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