Service manual

PN 4237242C
4.16-3
SERVICE AND REPAIR PROCEDURES
SENSOR PREAMP ADAPTER (SPA) CARD
4
Figure 4.16-2 Sensor Preamp Adapter Card
Verification
Perform an SVP (Heading 5.1) paying particular attention to backgrounds and control
recovery. If the instrument outputs histograms, verify that the control histograms appear as
expected.
7242013A
J1
(From Linear
Power Supply
card)
J2
(From Linear
Power Supply
card)
J3
(Out to
URA)
J4
(Out to
SPAD)
J5
(Analog
voltage
spare)
J6
(Analog
voltage
spare)
X7
(ON)
X8
(OFF)
J11
(RBC signal
out to SPAD)
J12
(PLT
signal
out to
SPAD)
J9
(WBC
signal
out to
SPAD)
R7
X3
(OFF)
X4
(ON)
R8
J7
(Diagnostics)
J10
(On back
of card)
J8
(On back
of card)