I have a Hitachi HT-45 turntable that I have tried to hook up to my receiver. When I connected the turntable directly, I had to crank the volume on the receiver just to get sound.
I tried connecting the turntable to an Adcom GTP-400 pre-amp, which worked for a while but then the sound quality deteriorated and now I have no sound at all from my turntable! All of my other devices (DVD, VCR, CD, cassette deck)work perfectly, and the turntable itself is in working order.
I've also tried re-connecting my turntable directly to the receiver, but now that's not working either!
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Change the phono plugs reversing right/left. Does the working speaker change? If yes, problem is in turntable or cartridge. If no, problem is in your receiver.
If the problem is in the turntable or cartridge, pull the cartridge off. Is it directly plugged into the arm, or does it have 4 wires on it? If wires, swap right/left. Change in speaker? No? Problem in turntable wires. Yes? Replace cartridge.
If it's plugged directly into the arm, clean the connections with a pencil eraser (gently). Fixed? No? Try connecting turntable to a different receiver, comment.
What we're trying to do is to isolate where the problem is, so you know what to replace or fix.
if your turntable has an integrated amplifier you connect it directly to any regular input like DVD or CD. If this is a classic turntable you need to buy external phono amplifier. It is a small box with phono inputs and rca regular outputs you plug your turntable trough this box to cd or dvd input of the receiver. Can be tube or transistor amplifier. price vary from 20 to hundreds dollars.
A turntable can NOT be connected direct via a tape input on any amp. Magnetic Cartridges require a special socket often called a "phono" input. If your receiver doesn't have a dedicated socket, by the sound of it doesn't, then you need to get a magnetic cartridge pre-amp. The turntable will plug into this and that will plug into the tape input on your receiver.
receivers with a PHONO input can connect a turntable easily by just connecting the white and red stereo audio cables from the turntable to the phono inputs on the receiver. receivers without a PHONO input can still connect a turntable by using a phono-preamp whose output can connect to any analog stereo input on the receiver like CD or AUX. See this webpage for more info: http://columbiaisa.50webs.com/turntable_to_pc_hookup.htm
The magnetic cartridge preamp should work with the turntable, as presumably it will have a magnetic cartridge in it. The only reason that the amp states "magnetic" is that some very old turntables have ceramic cartridges which should not be connected to that terminal. Even if the turntable had a "ceramic" it could be replaced with a magnetic one!
Let's figure out which hardware is failing. Connect the phono preamp to the CD or tuner input to see if it works there. It should. If it does, your receiver is at fault. Did the front panel controls get damaged?
How did the turntable fare in this accident? As a basic test of its ability to produce sound, hook it directly to the CD input and raise the volume slowly while playing an LP. If it's alive you'll hear a very weak, tinny sound, but I assume you know that or you wouldn't have a phono preamp in the first place and would probably be asking why the TT sounds so poor. :-)
Do you have the ground wire from the Turntable hooked up to the receivers ground terminal? it's a screw down silver nut and should be next to the Phono input. You are just lacking a ground from the turntable to the receiver. If you don't see a wire from the turntable, look around the chasis of the unit and you will fins it. Hope this helps
Do you get any sound, even very faint, if volume is turned up all the way?
If so, you probably have the turntable connected to the wrong type of input or you have the wrong type of turntable for the type of input you have on the receiver.
Older turntables have a very, very low level of audio output which requires an input that has much more gain than the normal type of audio input on a receiver.
Many newer turntables and receivers has the same level phono inputs and outputs as the other inputs and outputs of the receiver like the CD or Tape I/O. When an older turntable with such a low level output is connected to this type of phono input the sound is so low you can only hear it very faintly with the volume all the way up.
If you have the proper type of turntable for the type of input on your receiver, then the problem is most likely in the turntable. To check if it is or not, disconnect the turntable from the receiver, and then connect an RCA cable to the receivers phono input with nothing connected to the other end. Then with the volume turned up just about 1/4 to 1/2 the way up, touch the ends of the male ends of the RCA cable that are not connected to anything with your finger lightly tapping it a few times. You should be able to hear the tapping sound real easy in the speakers. If you hear that noise you know that the receiver is OK. If you don't hear anything the receiver has a pre-amp problem or the receiver is not set to the proper function.
If you determain the receiver is working normal, you have a problem in the turntable. Most times it is the stylus or the wires connected to the cartridge which holds the stylus.
Another thing to check is that if your turntable has a ground wire coming off the back of it near the RCA outputs of it, make sure that it is connected to the chassis of the receiver. Most receivers have a ground terminal right on the back that you can loosen with your fingers and then put the ground wire from the turntable in there and tighten it hand tight. If it has no ground terminal on the receiver you can always just loosen a screw on the back and connect it there. Make sure the ground wire has the insulation cut back to expose the bare metal, that insures that you have continuity from the ground of the turntable to the ground of the receiver.
If your turntable has no ground wire, then you have a newer turntable type that would be able to plug into any of the audio inputs on the back of the receiver. It would be a turntable with a boosted signal that can only be connected to an input with the same level as the CD or Tape input.
I hope this helps you to figure out what your problem is, if you need more help don't hesitate to reply to this post. I will get back to you as soon as I am able.
If this was helpful for you a "FixYa!" rating would be appropriate and very much appreciated, after all, it is the only reward we get for helping people like yourself for free.