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Re: house already wired up for wall speakers (2 wires)...
Hi... The 4 wires are 2 for the treble/midrange 2 for the bass. You can tie the wires in parallel ( one wire from one pair to another in the other pair and repeat) but you need to know how many "ohms" the stereo can handle. Should say on the back of the rack system
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Unless there's an issue with internal components of the amplifier or speakers, a common cause of this is reversed speaker polarity.
The wires between the + and - terminals of the speakers MUST connect to the same + and - terminals on the back of the stereo amplifier. The speaker wires that came with the stereo are color coded to help prevent mis-wiring. If you did not pay attention to this or used different wires for any reason, you need to ensure that the wires between the each of the speaker's 4 terminals connect to the correct group and + / - terminals on the amp.
If it has a bi-amp, you can connect the speakers to it. By the amplifier, if it's a stereo with bi-amp, be sure that it has at least 400 watts and up in order for the speakers to turn out great, if a receiver like a integrated amplifier, it may have like 2-10 connections, you can connect the speakers all together if it has more than 3 connections, if below 3, you may need to take the speakers apart and make it 3 way by connecting one wire to the tweeter, another wire from the tweeter to the main or mid speaker then one more wire from the main or mid speaker to the sub.
Take new speaker wires and connect them to your new speakers. the wires may have to be cut and new terminals fitted depending on what you have. It would be ideal to solder the ends that clip into the stereo Just make sure the new speakers have the same impedance as the original
Check to make sure there are no shorts in the speaker wiring, if okay remove speaker wires from back, press power if it comes out of standby the wires or speakers are the problem, if there is no change the protection circuit is not functioning or the audio output ic's have a short.
The loading mechanism needs to be rebuilt. There is also an engineering change that should be applied to this unit if it hasn't had the mod already. This is not a home repair. This unit should go to an authorized Panasonic service center.
Hi There thanks for your very good desctiption of the problem it really helps to have a lot of detail...
There are Mono and stereo types of stylis cartridges and it sounds like you have a mono equipped into a stereo amplifier..
If there are 4 small coloured wires visible under the stylis then
its a stereo stylis and should work, have a close look and maybe one of the small wires has dropped of the small pins on the back opf the stylis cartridge.
If there only two wires visible then its a mono cartridge and this is why you only have sound from one channel..
So answer is wires dropped of the stylis.
Wrong type of stylis cartridge.
if there are four wires and thay all look connected then perhaps the stylis is faulty and you need to replace it...