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Complete Zig-Zag Wall and back panel re-Installation
Make sure that the PAT-5 Preamp is unplugged before going on!
Use two silver colored 4-40 screws and the supplied 4-40 KEPS nuts to
fasten the zig-zag shield to the front panel. It’s hard to get your fingers in
place to hold the nuts. I like to hold the nut in place using double sided tape
wrapped around the blade of a flat screwdriver. I then use a second
Re-use the four (2 on each side) ¼” hex head self-tapping screws to fasten
the back panel to the chassis bottom. Make sure that the back panel sits just
inside the lip on the bottom of the chassis.
Use two silver colored 4-40 screws and the supplied 4-40 KEPS nuts to
zag shield to the back panel.
Re-connect Power Supply to Preamp and Phono Sections
Make sure that the power plug is pulled before proceeding.
The big picture is this. We want to reconnect +15V, GND, and -15V from the power
supply to the phono preamps and line stages. Follow the following color code if you use
the supplied wire:
Black is Ground
Red is +15V
Blue is -15V
There are a number of ways you could do this. The follow pictures sketch the variations.
We assume in both sketches that you have followed the standard directions for the
preamp and phono sections, where the left and right channels of each set have their
powers and ground connected by jumpers between the boards.
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