One of my kids plugged my TV strait into my PR15 without pushing the PAD switch now the switch will turn the power on to power up the speaker but it is totally silent. Im getting a signal to the speaker but its not going thru the amp and coming out of the speaker. I think it may have blown a fuse on the circuit board. Or am I way off? Is this going to be an expensive fix?

kinda over driving it heh??

When you unload one amplifier you stand the chance of killing the amp's output transistor. If you must use only one speaker, you have to bridge the amps.

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diaphram or crossover..

Removing a magnet from a tweeter is oftten fatal to the voice coil or element in piezo drivers. If you can see the screws, often a right-angle driver may be able to remove them.

Actually its pretty funny thing with those speakers is the "fuse" is Actually called a Lamp in this case. These are what they call a " Red Dot Fuse ". in all the years i've been doing this i've never thought to look up the value haha. Just have to know there are Red Dot lamps and Blue dots and No Dot. If you examine the LAMP you should see somewhere close to the ends ON THE GLASS a color dot of some kind. almost like someone painted it on there. Red Dot Lamp. any parts distributer for people like Harbinger, Peavey, and B52 will KNOW what your talking about

If you failed to turn off the amp before changing speaker cables you have fried something. Since the plug shorts when unplugging, if the amplifier were on, the amp would sense the short and will often fry the amplifier or the speaker. You don't mention what the amplifier was. If the speaker were daisy chained to other equipment a ground loop probably formed and blew out the woofer. The horn often has Peavey's "SoundGard" circuit so it probably survived. NEVER change speaker cables while amp is on. ALWAYS secure the 1/4 inch type cables through the handle of cabinets so they can'tbe inadvertenly pulled out and burn up equipment. Your amplifier driving one of these should be rated at no more than 200 watts RMS. These "400 watt Prrogram" ratings are for the birds... fake advertising. Put 400 watts into this RMS and it blows out.

Put the red on the + side and the blkue on the - side. SECURE the wires so that their weight does not pull them loose again. You can pop amps when speakers come loose...

Here is a site that has PR15 fuses... shown as a 2.1 amp. Very strange value, and it must strictly be for the tweeter portion as 2.1 amps is nothing for a speaker... I don't know that I believe this site.

If you have a Guitar Center near you, inquire there.

Check for impedance ( resistance) in ohms on the speakers disconnected from the circuit using a volt/ohm meter. I think the woofers are 8 ohms and the tweeters are 8 ohms. Also check for bad solder joints where the jacks are soldered to the circuit boards.