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tomeczek  
#1 Posted : Wednesday, October 19, 2022 10:53:49 PM(UTC)
tomeczek

Rank: Member

Groups: Member
Joined: 2/15/2020(UTC)
Posts: 2

I was using for some years time Pacid 2.1.2 with Retro phono preamp. Suddenly the sound became distorted and after few minutes completely dissappeared.
I measured the placid and the negative rail is working properly at 12,5V 60mA and positive rail is delivering ~3V and 0mA. I disconnected the load and i can set 12,5V on p+ with 60mA, when i am connecting Retro, then the voltage drops to 3V and adjusting pot is not helping. It seams that something is broken in p+.

I remeber when i was adjusting it few weeks ago, then instead of 0,06V i adjusted 0,6V and i noticed that the qp1 was very hot, checked the docs and set it to 0,06V ..

Any hint ? QP1 or QP2 ?

:)

PS It was working for years with my BII, than i upgraded BII with Palcid HD and used old Placid for Retro.
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