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Fuses
271028
Fig.3.8. Transistor Protection Fuses
When replacing transistors a good thermal bond, using Heat Sink Cement,
must be made with the surrounding heat sink.
After replacing any damaged components the test can be recommenced
as previously detailed.
3.3.5. Stand-by
The amplifier can be left in a stand-by condition during the course of a
test by switching the AMPLIFIER GAIN control to "Reset" and the
POWER switch to "Power On". Note that it is not possible to remove the
Head of a B
&
K Exciter when at stand-by because of the high standing
magnetic field generated by the field windings.
At the end of a test the Amplifier is switched off by turning the POWER
switch to "Power Off" with the AMPLIFIER GAIN in the "Reset" position.
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