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Sharp bursts of static

Loud static on all venues except for phono, which is fine. I have disconected all plug in in order to isolate the problem , no change, ran through the speakers same thing, help! Ed

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Re: sharp bursts of static

Phono is the only input that uses a low level input (mag) I bet it has something to do with the input processor.

Posted on Feb 24, 2008

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With phono, I only get sound from one speaker, but no problem with tuner. Any ideas?

You can start to troubleshoot the issue.

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.

Oct 02, 2015 | Audio & Video Receivers

1 Answer

My receiver works fine when I plug my iPod into it, but when I plug my turntable in I can't get any sound. Any idea?

The phono cartridge on your turntable puts out a much lower level signal than your iPod. Back when turntables were popular, all receivers had a special phono input to take care of that. Your modern HK receiver does not have a phono input, so you need to get an external phono preamp. Plug the turntable outputs into the phono preamp inputs, then plug the phono preamp outputs into one of the audio inputs on the HK, like where you connected the iPod.

Oct 08, 2013 | Harman Kardon AVR 745 Receiver

1 Answer

I have connected Pioneer PL-990 turntable to SX-255R receiver through PHONO but get static and distortion through speakers. Manual says to connect to AUX not PHONO but cannot see AUX on receiver. Any...

You need to hook it up to another analog input other than the phono input. The record player has a built in preamp, and the receiver's phono input has a separate preamp for non-amplified players. You cannot have the two hooked to each other.

Jan 28, 2013 | Pioneer SX-255R Receiver

1 Answer

Where do you plug in a mp3 player into the karaoke machine and what kind of cable do I need?

Anything that has a headphone output can be adapted to feed an RCA cable pair for standard stereo to any audio device with a standard RCA input (except PHONO). Get a cable like the one described here:
and connect it into any available analog input EXCEPT "Phono".

Jun 20, 2011 | Audio & Video Receivers

1 Answer

Connected new polks to cambridge audio amp a1 (about 30 watts per channel) and play cds through a panasonic dvd/cd player, but i can't turn up volume past 1 without it sounding too loud. sound is ok, but...

Plug the player in somewhere else besides the PHONO input.

"PHONO" is the only designated connection on an audio device that is literal and exclusive. Nothing but PHONO will work right on it because old-school turntables require it to preamplify the tiny current produced by a Phono cartridge.

I imagine if you REALLY listened hard to the result you have you would find the bass is WAY too.

Google 'RIAA curve' to understand why.

Mar 28, 2011 | Audio & Video Receivers

1 Answer

Sansui 2000x Phone 1 and 2 inputs produce garbled sounds.

I imagine everything is also VERY LOUD.

Only a Phono (old school turntable) should be plugged into the Phono inputs. It contains a preamp for the tiny signal provided by a Phono cartridge, plus is alters the frequency response drastically to compensate for the RIAA curve applied when they cut the record from tape.

Mar 26, 2010 | Audio & Video Receivers

1 Answer

Loud distortion through phono inputs

Phono inputs are designed for turntables only. Any other device will provide too high a signal for that input to handle. The phono input has an extra amplification stage built in. The distortion is because of the high suignal level being supplied to the input. The only way to get this to work properly is to purchase an antenuator which will decrease the signal level to the phono level.


Dec 18, 2009 | Denon Audio & Video Receivers

1 Answer

Burst of static when turning on sherwood s7300 receiver

Hi there.Alot of times these old amps on there power board will have dust build up on them.Try this,Fully blow the amps on/off button and every other place you can get at..I hope this may work for you.

Mar 31, 2009 | Audio & Video Receivers

2 Answers

I just hooked up my old amplifier to my turntable and started playing some vinyl. I'm getting an incredibly annoying static sound through the headphones I'm listening through, and I'm positive it's not the...

Make sure the ground wire from the turntable (they all have one) is grounded to the amp, also the turntable has to be connected to the phono input on the amp. Turntable cant connect to cd or aux. Only phono. Also check to see if there is dust and dirt built up on the needle. clean if needed. most likely a grounding issue

Dec 05, 2008 | Audio & Video Receivers

1 Answer

No sound from my record turntable into my computer.

If you're certain there is no sound going out of the TT...

Setting the Pre-amp Switch
For increased flexibility of use, this turntable has an internal
stereo phono pre-amplifier. The Pre-amp Selector Switch
is located under the turntable platter, in the rear-center
(Fig. 1). If the system amplifier you are using has a PHONO
input, set the Pre-amp Selector Switch to the “OFF”
position. If your amplifier does not have a PHONO input,
set the Pre-amp Selector Switch to the “ON” position and
connect the turntable’s output cables to the AUX or other
high-level input on the amplifier (described later).

Turntable operates, but no sound at all
1. The stylus guard is still in place.
2. The tone arm Lift button is pressed in.
3. Amplifier controls set incorrectly: wrong input selected,
tape monitor on, speakers switched off, etc.
4. Check the stylus on phono cartridge for correct placement.
Refer to the instructions for replacing the stylus
on page 5.
Turntable operates, but no sound, or sound not loud
1. If the turntable is connected to an AUX (high-level)
input: The Pre-amp Selector Switch may be set to the
“OFF” position (phono-input level).
2. The input gain of the amplified speaker or similar
device may be too low.
3. The stylus assembly may not be fully seated in the
cartridge body.

You could also isolate the problem to either the TT or the PC by trying the TT on some other sound device like a receiver. Make sure the PreAmp Selector switch is ON and plug the TT into any AUX, CD or TAPE input.

Sep 02, 2008 | Nakamichi AV-7 Receiver

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