WhitakerAudio 60 W Stereo Power Amplifier, User And Assembly Manual

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60 W Stereo Power Amplifier
5.4.9.3 Choke Leads
In the following steps, trim the lead lengths so the wires will comfortably reach their respective
terminals. Use the red terminal connectors. 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 L51in – choke in. Find one of the black wires from the power supply choke
(L51). Install a connector to the wire. Attach to the L51in post on the power supply PWB.
– Connect L51out – choke out. Find the other black wire from the power supply choke.
Install a connector to the wire. Attach to the L51out post on the power supply PWB.
– Connect L51 case ground. Find the #22 black ground wire from the choke case. Attach a
connector to the wire. Attach to the GND post on the power supply PWB. Use the GND
post adjacent to fuse F52.
5.4.9.4 Power Transformer Primary Winding Leads
The following steps assume a line input voltage of 120 V ac. Trim the lead lengths so the wires
will comfortably reach their respective terminals. Use the red terminal connectors. 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 ACN-2 – AC neutral. Find the white lead from the power transformer. Install a
connector to the wire. Attach to the ACN-2 post on the power supply PWB.
– Connect ACN-3 – AC neutral. Find the brown lead from the power transformer. Install a
connector to the wire. Attach to the ACN-3 post on the power supply PWB.
– Connect ACH-4 – AC hot conductor. Find the black lead from the power transformer.
Install a connector to the wire. Attach to the ACH-4 post on the power supply PWB.
– Connect ACH-5 – AC hot conductor, Find the blue lead from the power transformer.
Install a connector to the wire. Attach to the ACH-5 post on the power supply PWB,
– Find the black/red 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.