Hi, I've got a fairly old (1980's) Sansui amp that's very...

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Question by Charlie
Submitted on 8/18/2003
Related FAQ: FAQ: rec.audio.* Retail 7/07 (part 9 of 13)
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Hi, I've got a fairly old (1980's) Sansui amp that's very noisy on startup. The noise is not speaker thump but comes from the amp itself. Someone said it was the transformer. After a short while the amp goes quiet and runs OK. What is the problem please and is it easily fixed. Charlie

Answer by howard
Submitted on 2/18/2004
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I've got the same problem with my sansui amp. Does anyone have the answer? I can be reached @ howardsha@aol.com. thanks

Answer by unknown expert
Submitted on 4/1/2004
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try this open up your amp some amps just have screws others have wooden pikes just open it without damageing it then when inside the amp clean with a paper towel or what ever the hell you have your not removeing the dust and crap your just clering it out of the way. move the dust off all the surfaces like the power suply and such wipe the top of the transistors you should know what they look like and that should fix your problem (i heard that swiffer duster works good at this)

Answer by Sansuiservice Israel
Submitted on 4/17/2004
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HI and Shalom Most old amps have bad points in the main switch change it or gamper it for a test only. sansuiservice@walla.co.il

Answer by FUZZY
Submitted on 5/26/2004
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NO WAY TO BE SURE WITHOUT LOOKING BUT GOOD POSSIBILITY YOUR FILTER CAPACITORS IN YOUR POWER SUPPLY OR POSSIBLY DECOUPLING CAPACITORS ARE DRYING OUT. THEY CONTAIN AN ELECTROLYTIC AND AFTER 10-15 YEARS ARE LIKE BALD TIRES ON A CAR. REPLACEMENT INVOLVES GETTING THE SAME OR HIGHER VOLTAGE RATING AND SAME MFD.VALUE. AND IT IS IMPERATIVE TO OBSERVE POLARITY MARKINGS IF YOU PUT IT IN BACKWARDS IT WILL BLOW UP...NASTY AND DANGEROUS. ALSO THE FILTER CAPS,WHICH ARE THE LARGE ONES, RETAIN A CHARGE THAT COULD KILL THE UNHEALTHY AND SHOCK THE CRAP OUT OF YOU. FIND SOMEONE WITH FUNDAMENTAL ELECTRONICS KNOWLEDGE TO HELP YOU. FUZZY

Answer by Trini
Submitted on 4/16/2005
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I have a G-9000 with a bad transformer,where can I find replacement?

Answer by Clenton Watson
Submitted on 11/9/2006
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I Have a 19977 sansui qrx5500 4 chanells I truly love this System. Don't want to get rid of it. Some time in 1983, I began to experiencing a play stop and started to play again. I took it for repair, but until this day, I am still experiencing this play and stop. As I am writing question ,I'm listenning to this system. I have been playing for the last 8 hours. Earlier I were listenning to AOL radio and it play and stop a few times. I'm still listenning to AOL radio., but the chipping out has not reacured. Do you have any suggestion for this problem? I would love to here from you. Thank you

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