The power supply consists of the following.
AC input circuit
Transformer
Bias power supply including rectifier, filter,
pre-regulator and reference voltage source
Main regulator circuit including the main
rectifier and filter, series regulator, current
comparator, voltage comparator, reference
voltage amplifier, remote device and relay
control circuit
The block diagram below shows the CH1 circuit
arrangement. The single phase input power is
connected to the transformer through the input
circuit. Details of each part are described in the
next page.
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