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WhitakerAudio
– Connect PL1 – output transformer plate 1 connection. Find the
blue
wire from the left
channel output transformer (T2). Install a connector to the end of the wire. Attach to the
PL1
post on the left channel PWB.
– Connect SC1 – output transformer screen 1 connection. Find the
blue/yellow
wire from
the left channel output transformer. Install a connector to the end of the wire. Attach to the
SC1
post on the left channel PWB.
– Connect PL2 – output transformer plate 2 connection. Find the
brown
wire from the left
channel output transformer. Install a connector to the end of the wire. Attach to the
PL2
post on the left channel PWB.
– Connect SC2 – output transformer screen 2 connection. Find the
brown/yellow
wire from
the left channel output transformer. Install a connector to the end of the wire. Attach to the
SC2 post on the left channel PWB.
– Connect T2ct – output transformer center tap. Find the
red
wire from the left channel
output transformer. Install a connector to the end of the wire. Attach to the
T2ct
post on
the left channel PWB.
Double-check the connections from the left channel output transformer to the PWB.
5.5.7.4
Power Transformer Leads
In the following steps, trim the transformer lead lengths so the wires will comfortably reach their
respective terminals. 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 one of the
400V
posts on the rectifier
PWB.
– Connect 400V – plate winding. Find the other
red
lead from the power transformer. Install
a connector to the wire. Attach to the available
400V
post on the rectifier PWB.
– Connect 50V – plate winding bias tap. Find the
violet
lead from the power transformer.
Install a connector to the wire. Attach to the
50V
post on the rectifier PWB.
Summary of Contents for JC Whitaker 20 W Stereo Integrated Audio Amplifier
Page 1: ...20 W Stereo Integrated Amplifier WhitakerAudio 20 W Stereo Integrated Audio Amplifier ...
Page 11: ...11 20 W Stereo Integrated Audio Amplifier Figure 1 1 b ...
Page 16: ...16 WhitakerAudio Figure 1 2 b ...
Page 20: ...20 WhitakerAudio Figure 1 3 Power management circuit for the 20 W integrated stereo amplifier ...
Page 38: ...38 WhitakerAudio Figure 3 1 Component layout for the Amplifier PWB 1 right board ...
Page 40: ...40 WhitakerAudio Figure 3 2 Rectifier PWB component layout ...
Page 45: ...45 20 W Stereo Integrated Audio Amplifier Figure 3 4 Layout of the speaker terminal PWB ...
Page 84: ...84 WhitakerAudio Figure 5 6 Power management PWB a component side b foil side a b ...
Page 188: ...20 W Stereo Integrated Amplifier WhitakerAudio 20 W Stereo Integrated Audio Amplifier ...
Page 196: ...196 WhitakerAudio ...