Question about Sony STR-DE595

If your turn table has a magnetic cartridge it will not work,Becuase the ner recievers are not equip with a phono preamp, They are equip to only use a crystal or ceramic cartridge in the turn table.

One way would be to follow the directions supplied with the unidentified powered speakers. Lacking details we can't really provide a good answer.

The protect thing is to do with an overload. It's more than likely that something in the main amp section has failed (perhaps a transistor on the big heat sink). The cause often speaker wiring touching together. You should look carefully at the this section for damage or burning. If you have a ohm meter you can test the transistors. If you place the probes on the terminals of each transistor and you get a responce like you had touch the probes together, you have located the source of the overload.

Turntables have a very low output level. Receivers with a phono input have a op-amp to boost the signal level.

What you can do: Check the turn table it may have a line level switch under the rubber mat, otherwise you can get a phono amp ($20-$40) to boost the signal. and input it to any unused input on the receiver.

Does the receiver say anything on the front like "protect" ? also; check the speaker A/B select switch. There are no speaker fuses in the receiver. Hope this helps

Many amplifiers heaphone socket cuts the speakers as internally the headphone jack is a switch it self

You need a 3.5mm mini jack coupler lead with phono plugs on end plug one end into your headphone output on ipod and phonos into your amp lead must be stereo

go into the speaker setup menu and turn subwoofer to YES

HI...
It will need tech service.
Check the Sony consumer site for who can do it.

preamplifier or power amp internally but check your signal cables for shorts or breaks,if amp then is internal and needs to be serviced