Ive had my RCA 5-CD Shelf System, RS2654 for a little over a year it worked perfect till bout 3 weeks ago the fuses blew so i went and asked the company what to do they said go to radio shack and buy replacements but when i installed them they blew instantly and now i cant reach the company so i figured id go up some wattage so i bout some that could hold more watts but even they blew could you tell me whats wrong and or how to fix it or at least what i should do??
I traced the portion of the circuit involving the fuse
and failed resistor. Fixed the problem by replacing R886 with a 1.2K, 1/2 W
resistor, a zener diode that had heated the circuit board and tested bad with a
15 volt, 1 watt zener and replaced the blown axial lead 1.5 amp fuse. I also noted a jumper missing
that would connect the common of the circuit with the failure to the main ground
of the rest of the board. I installed the "missing" jumper thinking that this was probably the root cause of the problem. With these repairs the RS2654 has worked fine for many
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Re: RCA 5-CD Shelf System, RS2654 Fuses
Never ever replace a fuse with a bigger one, you are lucky the unit did not blow up and statrt a fire. When a fuse blows there is usually a reason.There is a short in the main power supply or the output stage. You will need to test for shorts on the main transformer, B+ rectifiers and the main filter capacitors. If that does not show any shorts, you will need to test the audio output circuits for shorts on the audio output IC's. Good Luck
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Our bose wave system stopped working also. The remote wouldn't work, it wouldn't turn off nothing. So finally we re-set it by clicking the button on the power strip it was plugged into.
It then worked! we had a power glitch a few weeks ago and think that had something to do with it. I hope this helped, and helps others!
If you're trying to listen to FM, and are indoors, and your walls are fairly thick, or brick and mortar, chances are you're not getting a strong enough signal.
Modern minisystems like yours come without an external antenna, and use their power cords in lieu of one. Try extending the cord, not coiling it, for better reception.
Other than that, your system may have had a spontaneous problem to its FM tuning module, though not likely.
There were 2 problems that I found with my daughter's rs2654, which wouldn't open. The first is that a 2.2 ohm resistor opened up near the IC that drives the motor that opens the drawer, so no voltage to the moter. The second was that the grease in the gears was so stiff that the motor barely turned the larger pulley. Changing the resistor and cleaning up and regreasing the gears fixed it.
In addition to what i said in the live chat about the transformer, here is a link to the manual for the RS2653 which seems very similar;
or this link to contact RCA directly;
Hope this helps, not much in the manual of any use for this problem :)