WhitakerAudio 60 W Stereo Power Amplifier, User And Assembly Manual

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WhitakerAudio
– Find the white/black lead from the power transformer. Install a connector to the wire.
Attach to one of the NC (not connected) posts on the power supply PWB.
– Find the blue/yellow lead from the power transformer. Install a connector to the wire.
Attach to one of the NC (not connected) posts on the power supply PWB.
– Find the brown/yellow lead from the power transformer. Install a connector to the wire.
Attach to one of the NC (not connected) posts on the power supply PWB.
– Find the #22 black wire from the power transformer mounting pad ground connection.
Trim the length of the wire to reach the ground lug on the rear corner of the power supply
PWB. Attach to the ground lug. Do not solder.
5.4.9.5 Power Transformer Secondary Leads
In the following steps, trim the transformer lead lengths so the wires will comfortably reach their
respective terminals. Use the red terminal connectors unless otherwise stated. After each terminal
is attached to a lead, gently pull on the wire and terminal to make sure a good crimp has been
made.
– Connect 400V – plate winding. Find one of the two red leads from the power transformer
(T51). Install a connector to the wire. Attach to the 400V post on the power supply PWB.
– Connect 400V – plate winding. Find the other red lead from the power transformer. Install
a connector to the wire. Attach to the 400V post on the power supply PWB.
– Connect 800CT – plate winding center tap. Find the red/yellow lead from the power
transformer. Install a connector to the wire. Attach to the 800CT post on the power supply
PWB.
– Connect T51-6Va – 6.3 V heater. Find one of the two green leads from the power
transformer. Install a connector to the wire. Attach to the T51-6Va post on the power
supply PWB.
– Connect T51-6Vb – 6.3 V heater. Find the other green lead from the power transformer.
Install a connector to the wire. Attach to the T51-6Vb post on the power supply PWB.