My amplifier is only 2 years old and the rca input on amplifier is not responding to my head unit rca jacks. it just stop playing sound to my subwoofers. ive never had any problems with the amplifier before and i really need some quick advice for this issue.
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For connecting these to your amplifier you need 4 Stereo RCA Cable.
1.Connection for cd: Take one of the RCA cable connect the one end (red/white) jack to the line out of your cd and connect the other end (red/white) to the CD input of Your amplifier.
2.Connecting the tunner:
Take one of the RCA cable and connect the one end (red/white) jack to the line output of you Tuner and connect the other end (red/white) to the TUNER input of your amplifier. 3. Connectiong the tape deck:
Now you have two RCA cable. Take one of the RCA cable and connect the one end (red/white) jacks to the PLAY out of the Tape deck and connect the other end (red/white) to the TAPE 1 play input of your amplifier.
Now connect the last RCA cable. Connect the one end (red/white) jack to the record input of the TAPE deck And connect the other end (red/white) to the TAPE 1 Record input of your amplifier.(this connection will help you to record to tape from cd or tuner. if you are not interested in recording then you can avoid this connection.)
Now you can select these three items from the frond plannel control switch of the amplifier.
You could contact a tv repair shop, many shops have schematics that go back many years. You say the sound is fuzzy, is this fuzzy sound when your playing the radio or when you play something throgh the amplifer? If its fuzzy with any source the you might have a bad speaker or speakers. you need to be more discriptive of the fuzzy sound you describe. also. if this unit has a head phone jack, (which I doubt if its 40 years old). you could plug in some head phone and see if the sound is clear there, if so then you know its most likely the speakers.
Can be that the CD disc is jumping on vibration, the optical head is defective and not reading the tracks or if the line to the amplifier is having a loose connection in the wires or within the RCA jack socket.
Play Cd when car is in stop , if in motion check the wiring and CD for errros.
if interuption always from the disc then the optical head can be faulty
:) the rca jacks have to be connected to an amplifier,, their signal is too lay to even light a bulb.. you have to connect it to a car amplifier and then from the amplifier to the speakers..
Just so you'd know,, once your deck plays and you hear music on your speakers through your normal speaker wires,, RCA jacks work..
Ok you have 4 jacks,, 2 subs and 2 front.. These should connect to a preamp,, which takes 4 inputs and allows you to equalize or adjust how the music should sound,, now from the pre-amp,, it runs to an amplifier,, thats powers the subs and another that powers the speakers.. Some amps have 4 inputs so you can use one amp for your subs mids and heights..
for example a basic music system is
1 cd player 1 pre amp 1 amplifier (4 inputs, 4 channel out)
you bridge 1+2 and connect this to 1 12" double coil sub woofer
the next 2 connect to 2 mid speakers example "rockford or ev 5 / 8 " and 2 tweeters for heights..
Thats a kicking tricked out basic car audio system,,,
With out an input jack you cannot connect straight to your head unit. The RCA out puts only send a signal out. Your best bet is use an FM transmitter for your Ipod. The sound wont be as good but I can't think of another way with buying a new head unit.
Your problem stems from the fact that the CDA-7892 is not equipped with an RCA aux-input jack. If you're plugged into RCA connectors at the back of the head unit, they're outputs, not inputs. The sound you hear is just feeding back through the outputs and into the head unit's amplifier.
If you want to play your iPod through this head unit, you need to purchase either the auxiliary input adapter (KCA-121B) or iPod adapter (KCA-420i).
Yep! It's called a Y-Splitter. They make different variations of them: