sansui 1000a maintenance

dognut · 17th February 2009, 08:25 PM

Hello to all.I just picked up a sansui 1000a tube receiver.It is original & works.I have read on other forums & on other vintage recievers that the smart thing to do is to replace the caps & Volatage regulators & a handfull of other componets because of there age or that there prone to failure.I am not a electronics tech but can easily replace nessasary componets.Can someone tell me what usually is replaced in detail.I am going to order a schmatic & some deoxit for it tonight.Please message me at my home email add.Thanks in advance, tom

danFrank · 18th February 2009, 12:51 AM

Hi, Definately replace the 4 caps that go to the control grids of the 7591 output tubes. These are almost always bad, so to change them is a must. The other caps in the unit will also be leaky but those are the main 4 that need to be replaced.
Daniel

17th February 2009, 08:25 PM	#1
dognut diyAudio Member Join Date: Oct 2007	sansui 1000a maintenance Hello to all.I just picked up a sansui 1000a tube receiver.It is original & works.I have read on other forums & on other vintage recievers that the smart thing to do is to replace the caps & Volatage regulators & a handfull of other componets because of there age or that there prone to failure.I am not a electronics tech but can easily replace nessasary componets.Can someone tell me what usually is replaced in detail.I am going to order a schmatic & some deoxit for it tonight.Please message me at my home email add.Thanks in advance, tom

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18th February 2009, 12:51 AM	#2
danFrank diyAudio Member Join Date: May 2005 Location: California	Hi, Definately replace the 4 caps that go to the control grids of the 7591 output tubes. These are almost always bad, so to change them is a must. The other caps in the unit will also be leaky but those are the main 4 that need to be replaced. Daniel

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