Accoustics 370 need help to for wiring the power card

[andbro1965]

Hi,

I restore an old Acoustics 370. When i have received this, the power card was not connected.

Red wire: Capacitor 7800uf
Black wire: Capacitor 7800 uf
Red wire: Preamplifier card
Green wire: Preamplifier card
Black wire: Preamplifier card
White wire: Capacitor 3900uf
Black wire: Output speaker


Does a member can send me a sketch or picture on the right connection ?


Thank for your help

[GoldtoneWorkshop]

Not sure where you are located, but here is the service manual for the 370. Doesn't look like the leads from the power cable connect directly to the power board. The lines come into the auxiliary AC receptacle and then on to the power switch and transformer.

[andbro1965]

Hi,

i'm working with this manual. The problem is how to connect the DC part to the Power Amplifier Card.

Thank

[GoldtoneWorkshop]

Gotcha. I misread your original post. Here's a pic of the wiring of the card of a 370 I have in the shop right now. The top red leads are the high voltage coming from the main filter stage and the black at the bottom is the negative lead from the same can