COMPONENT FUNCTION/DESCRIPTION
TP9 Power Supply Protection Circuit, AC Sample.
TP10 Power Supply Protection Circuit, detected sample (comparator’s non-inverting input).
TP11 Power Supply Protection Circuit, Comparator reference voltage.
TP4 Underdrive fault circuit, Detected rf drive sample.
TP5 Overdrive fault circuit, Comparator reference voltage. (also see TP11)
TP8 Underdrive fault circuit, Comparator reference voltage.
TP7 HV Power Supply Peak Current overload circuit reference voltage (comparator inverting input).
TP6 HV Power Supply Average Current overload circuit reference voltage (comparator inverting input).
TP12 HV Power Supply, Averaged Current sample (Average Current overload comparator’s non-inverting input.
TP13 HV Power Supply Sample (Peak Current overload comparator’s non-inverting input.)
TP3 Underdrive fault circuit, Detected rf drive sample.
TP14 Ground.
TP15 Ground.
TP1 Ground.
TP2 Ground.
Table Q-4. LED Board A32, Test Points
SeeFigureQ-10
DX-25U
Q-24 888-2297-002 Rev. R: 11-11-96
WARNING: Disconnect primary power prior to servicing.
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