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
See Figure Q-10
DX-25U
Q-24
888-2297-002
Rev. R: 11-11-96
WARNING: Disconnect primary power prior to servicing.