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Karen Posted on Jun 11, 2016
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Sony stacking system LBTd505, the sound from the record deck suddenly went very faint. The cd and radio sections are fine. I have tried a new stylus, but no difference. Any ideas?

1 Answer

Grubhead

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  • Sony Master 5,755 Answers
  • Posted on Jul 04, 2016
 Grubhead
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Joined: Jan 21, 2009
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You have two options. First a faulty cartridge. Or a faulty pre-amp in the main amp.
You can find out if the cartridge (and amp) are playing up. By removing the connectors on the cartridge.
Then with the volume turned up to about half, with your finger, touch each one of the wires one at a time. It will not harm you at all. But you should hear a loud buzz on one wire on the right and a loud buzz on the left on another wire.
The two other wires will either produce a crackle, or a tiny buzz, or nothing at all.
If you do hear a loud buzz on two wires. The cartridge is faulty and needs replacing.
If you hear a slight buzz on them or weak sound. There is either a bad connection between the deck and amp. Or the pre-amp inside the deck which is only used by the record deck so will not effect any other function, is faulty.
You can remove the record deck connections to the amp and again with the amp on half full, touch the inputs with your finger. If you are not hearing a loud hum or buzz, the pre-amp is faulty. If you do the connectors are faulty.

5 Related Answers

Anonymous

  • 2 Answers
  • Posted on Oct 25, 2007

SOURCE: tape deck does nothing when play is pressed

Maybe a problem of no power to motor. I own 2 identical Aiwa units, both have tape deck problems. This brand is prone to them They also have nasty habit of tape cassette doors jamming.
1st off you never said how old the unit is. Awia have huge amount of models. Mine are the NX series that came out in black plastic. Most of the others are silver/grey. Honestly, unless you pop side screws and lift the cover off to eyeball anything loose. and none is? And if out of warrenty, the value of fix, mat exceed value of unit.
Sorry, but I see many of these,  of 4-5 yr old units Aiwa brand,
get the heave ho! 
The most stupid thing about this is: for units size, has the best sound of any other brand it's size.. Brilliant for hooking to ones TV sets, for  surround sound!
What I did was get an older getto blaster  that plays tapes to play my tapes on. some of these units are around and in good order, dirt cheap. And most electronic equipment problems cost at least $35  just to have a quick look at your unit.. cost of repair on top?  I brought my 1st one new @ well over a grond. 3 yrs later, 2ns one, exactly the same $15.00 in a charity shop. The  laser unit was dusty. All go in half an hr. Perhaps if it is an older model , look for another mate to it,   It all comes down to costs.
Which is better option... you are the one who has to made the choice. Good luck. Jamz

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Anonymous

  • 319 Answers
  • Posted on May 07, 2008

SOURCE: dvd wont play in mini hi fi system

First, you should never use commercial cleaners on CDs or cassette heads. They can create more problems than cures.
Unit may have bad disk motor or optical pick-up

Anonymous

  • 1 Answer
  • Posted on Jul 11, 2008

SOURCE: Sound went out, can't get it back on

This model stereo has problems,to fix it you must unplug it,remove the side panels and you will see a ribbon connector coming from the front panel and going to the side panel circuit board.You must gently unplug this from the side circuit board,use canned air to dust it and the plug itself and replace.You are now good to go!! Hope this works for you,cuz it did for me.

freetek

Steve Allison

  • 5569 Answers
  • Posted on Oct 28, 2008

SOURCE: New GPX Home Music System - no sound

Unfortunately, GPX has, in my experience, a poor reputation for quality. I wouldn't delay either exchanging it or filing a warranty claim once you are sure you have done your homework and have things set up correctly.   

Anonymous

  • 67 Answers
  • Posted on Dec 19, 2008

SOURCE: radio on my sony rx d7 hi fi 3 cd changer

check to maks sure you have an fm antenna connected

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