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Bill Brandon
Reply with quote  #1 

I'm looking for a qualified repair tech in the Western Pennsylvania - Eastern Ohio area for my 9090DB receiver. Left channel was sporadically cutting out but thought I had the problem solved when I cleaned the pots then all of a sudden the protector circuit wouldn't open, stays solid red, not flashing. I have service manual and schematics but lack the knowledge, equipment and experience that would make them useful. 

JOHN MISSO
Reply with quote  #2 

I have a Sansui car stereo with MP3 CD and USB port. I inserted the MP3 CD and then I tryed to eject it by pressing the eject button but the CD does not come out, please let me know how to reject this CD.

Andy
Reply with quote  #3 
Hi,
I have a Sansui 5000 amp.  It has been serviced locally by a relatively "unskilled" repair tech.  It still needs attention.  I am looking for a top notch repair person to restore this unit.  Any suggestions?
thanks,
Andy

Kurt Blegen
Reply with quote  #4 

Does anyone know If David Compton is still on the planet?  He has had an AU-919 of mine for repair since April and has stopped responding to my emails.  I thought he was a reputable repair guy.  Has anyone heard anything?

Keeper
Reply with quote  #5 
Quote:
Originally Posted by Kurt Blegen

Does anyone know If David Compton is still on the planet?  He has had an AU-919 of mine for repair since April and has stopped responding to my emails.  I thought he was a reputable repair guy.  Has anyone heard anything?

I guess he still administrate his forum http://groups.yahoo.com/group/classicsansui/ 

richard dominick
Reply with quote  #6 

I have a Sansui stereo receiver,model 221 connected to my CD player

The receiver selection knob at right side of receiver is set to "auxillary mode".

 

Recently when playing a CD the sound either stops or is diminished in volume.

 

There is a short or loose connection in the selection dial,as I am able to get the volume to go back to normal by jiggling the dial.I have checked the coonnection wires and they are firmly connected,so I am assuming some connection is loose that involves the selection knob.

 

I would like to have the receiver repaired instead of replacing it if possible. I live near Plymouth,MA. Any repair outlets in that area?

Keeper
Reply with quote  #7 
Quote:
Originally Posted by richard dominick

I have a Sansui stereo receiver,model 221 connected to my CD player

The receiver selection knob at right side of receiver is set to "auxillary mode".

 

Recently when playing a CD the sound either stops or is diminished in volume.

 

There is a short or loose connection in the selection dial,as I am able to get the volume to go back to normal by jiggling the dial.I have checked the coonnection wires and they are firmly connected,so I am assuming some connection is loose that involves the selection knob.

 

I would like to have the receiver repaired instead of replacing it if possible. I live near Plymouth,MA. Any repair outlets in that area?

I guess it's oxide.
In most cases there are oxidation which can be removed by cleaning. Use a good spray as Caig DeOxit which you can find at http://www.partsexpress.com/webpage.cfm?&DID=7&WebPage_ID=3
Spray the selector and turn the selector forward and backward 20 times and I believe the oxide is gone.

A general treatment of switches and controls with Caig DeoxIT D-5 is a must for old electronics. 

BeatleFred
Reply with quote  #8 

Does anyone know If David Compton is still on the planet?  He has had an AU-919 of mine for repair since April and has stopped responding to my emails.  I thought he was a reputable repair guy.  Has anyone heard anything?

 

If I remember correctly, he lived in Virginia. I recall that he was very fond of the Sansui AU-20000 and he used the term "smack down" in describing it, which coincidentally was also written in a recent Ebay auction, perhaps its him?, though seller not in Virginia (unless he moved?):

 

http://cgi.ebay.com/SANSUI-AU-20000-AU-20K-BA-3000-CA-3000_W0QQitemZ280070260453QQihZ018QQcategoryZ3280QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

 

If I were you, I would make it a priority to get your amplifier back from him.

 

I have to say, Compton is one of a few guys online whom Ive never really liked. He has, shall we say, a bit of an attitude problem. Very similar to 'Grumpy' on Audio Karma.

Jason Miller
Reply with quote  #9 

First of all open the unit and get a spray can of control/contact cleaner & lubricant. radio shack sells this. and make sure the power is off. spray the nob in any cracks that it gets inside the switch. and move the switch around like crazy. this will clean any dirt out of the dial. make sure you give it time to dry and wipe up any extra cleaner out of unit. this should fix the problom. what happens is dirt makes it way into the connection and then you have to wiggle them to get them to work. I went to Devry back in 1996 to be an electronic tech. and before that i went to my high school vo-tech. this should take care of it. but do it at your own risk

Quote:
Originally Posted by richard dominick

I have a Sansui stereo receiver,model 221 connected to my CD player

The receiver selection knob at right side of receiver is set to "auxillary mode".

 

Recently when playing a CD the sound either stops or is diminished in volume.

 

There is a short or loose connection in the selection dial,as I am able to get the volume to go back to normal by jiggling the dial.I have checked the coonnection wires and they are firmly connected,so I am assuming some connection is loose that involves the selection knob.

 

I would like to have the receiver repaired instead of replacing it if possible. I live near Plymouth,MA. Any repair outlets in that area?

willard
Reply with quote  #10 
Hello, I have a Sansui  Stereo 2 Channel Receiver,Model 221.And the right channel
works fine.But the lift does not work at all.Is there anyone out there can help me w/
this problem?Regards,
 Willard
Canton,Ohio

Keeper
Reply with quote  #11 

Quote:
Originally Posted by willard
Hello, I have a Sansui  Stereo 2 Channel Receiver,Model 221.And the right channel
works fine.But the lift does not work at all.Is there anyone out there can help me w/
this problem?Regards,
 Willard
Canton,Ohio

There are 1.5A Quick Acting Fuses (one for each channel) as protection for the power transistors. If a fuse is open you don't have sound in that channel.

This is the kind of fuse LINK

Herman
Reply with quote  #12 
I have a G5700 Sansui receiver. I want to clean the volume and balance knobs (I get static when I adjust volume, and the sides cut out (left right) the odd time at certain "balance" settings. I have Caig DeoxIT and DeoxIT Gold, and just want to know if the knobs will pull straight out to apply, or should I open the top and clean them that way? I don't want to pull on anything if it isn't supposed to be...

Thanks!
Keeper
Reply with quote  #13 
Quote:
Originally Posted by Herman
I have a G5700 Sansui receiver. I want to clean the volume and balance knobs (I get static when I adjust volume, and the sides cut out (left right) the odd time at certain "balance" settings. I have Caig DeoxIT and DeoxIT Gold, and just want to know if the knobs will pull straight out to apply, or should I open the top and clean them that way? I don't want to pull on anything if it isn't supposed to be...

Thanks!
You have to remove the top and clean from inside.
Herman
Reply with quote  #14 
So I opened her up... cleaned out all the knobs (as best I could), and set up the system with new 14 guage wire and pin connectors. The static sound is gone now, when playing with the balance. There is no static at all, and the sound comes out nice and clean. I couldn't get into the pot (not sure how - should I remove the panel in front... didn't really want to go there), so I just tried to squirt deOxit in the front (with the knob off). Now, if I lightly push the volume knob inwards it creates a nice clean sound, but there are times when the right channel cuts out (although, when I push the knob in lightly, it balances out nicely...

Is this because I didn't clean out the inside of the pot? (or do an adequate job on it?)...

Thanks!
Keeper
Reply with quote  #15 
Quote:
Originally Posted by Herman
So I opened her up... cleaned out all the knobs (as best I could), and set up the system with new 14 guage wire and pin connectors. The static sound is gone now, when playing with the balance. There is no static at all, and the sound comes out nice and clean. I couldn't get into the pot (not sure how - should I remove the panel in front... didn't really want to go there), so I just tried to squirt deOxit in the front (with the knob off). Now, if I lightly push the volume knob inwards it creates a nice clean sound, but there are times when the right channel cuts out (although, when I push the knob in lightly, it balances out nicely...

Is this because I didn't clean out the inside of the pot? (or do an adequate job on it?)...

Thanks!
You have to squirt deoxit from inside and into the pots. All pots used to have a little little hole or opening where you can spray. Turn the control back and forward appr 20  times after your sprayed and I guess everything will be fine.
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