DYNACO PAT-5 User Manual

Page 13 of 21
Remove the old power supply
Done? (

)
Remove the four screws (two in each bracket) that hold the silver colored
power supply mounting brackets to the
old
power supply PCB.
Disconnect Transformer wires from the old PCB
Done? (

)
Desolder the two red wires
from the old PC Board.
Desolder the Red
-
yellow wire from the old PC board.
Desolder the violet and violet
-
white wires from the fuse holder.
Disconnect the transformer wires from the chassis
Desolder the black and black-white wires from their connection point on the
convenience outlet. However, make note of this terminal as a wire will be
reconnected here in a later step.
Figure 10-Original Transformer wiring
Connect the Transformer
Make absolutely sure that your PAT-5 is unplugged!
You will re-use the original Dynaco power transformer. In its new connection
arrangement, the total power drawn by the PAT5 drops from 10 Watts to 7 Watts. That’s
because the new arrangement is more efficient than the stock arrangement.
When the new power supply is installed, except for the green shield wire, all of the
transformer wires will terminate on the new power supply PCB.
Connecting the low voltage transformer wires
1. Identify the following 3 transformer wires
a. First red wire
b. Second red wire

DYNACO PAT-5 Specifications

General

Brand	DYNACO
Model	PAT-5
Category	Amplifier
Language	English