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Need Service Manual or Schematic For A PS Audio 5.0 Preamp

24.154.207.150
Posted on July 1, 2009 at 13:38:45
Backbeat1954A
 I contacted PS audio but all they could send me was the Owners Manual.
I contacted two sellers who sell older Service Manuals online and on ebay as well but they didn't have them.
So any help would be appreciated as I have a fellow who will be doing the repair on this and he said either would be very helpful.

Thanks.

RE: Need Service Manual or Schematic For A PS Audio 5.0 Preamp, posted on October 12, 2009 at 12:08:27
badferret
 I have a complete PS Audio 5 pre amp in excellent condition I retired and would be willing to sell if you're interested. Just drop me a line at badferret@gmail.com
RE: Need Service Manual or Schematic For A PS Audio 5.0 Preamp, posted on July 1, 2009 at 19:59:16
PaulMC
Manufacturer

Posts: 804
Joined: April 4, 2000
Contributor
  Since: July 1, 2000
 Can I answer any specific questions for you?

RE: Need Service Manual or Schematic For A PS Audio 5.0 Preamp, posted on July 2, 2009 at 08:17:37
Backbeat1954A
 Hi Paul This is a preamp i had asked you about back in later February as it need the external power supply and you were very helpful. I was able to get one and get this to power on. I posted the problem it's having at the PS Audio web site. In the nut shell this pre is causing my amp to go into protection mode and I found a gentlemen who said he could fix this for me but he wanted to see if i could get a Service manual or at least a Schematic for him. Bottom line is I can't use this pre in any other mode but Straightwire.

Thanks.

RE: Need Service Manual or Schematic For A PS Audio 5.0 Preamp, posted on July 3, 2009 at 06:39:21
PaulMC
Manufacturer

Posts: 804
Joined: April 4, 2000
Contributor
  Since: July 1, 2000
 This means the preamp stage has DC. Get a meter out and measure it. There are trimpots to adjust it - if it isn't too far off (less than 0.1 volts). If it's more than that, the preamp stage itself has a problem. Also, make sure your power supply rails are even (+/- the same).

RE: Need Service Manual or Schematic For A PS Audio 5.0 Preamp, posted on August 10, 2009 at 20:22:58
xeaglekeeper
 Hello paul
I have the above preamp. And need to know which trimmers do what.

RE: Need Service Manual or Schematic For A PS Audio 5.0 Preamp, posted on August 11, 2009 at 05:27:58
PaulMC
Manufacturer

Posts: 804
Joined: April 4, 2000
Contributor
  Since: July 1, 2000
 There isn't any service manual available unfortunately. In fact, I don't think we ever had one.

What are you trying to do?

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