HP 5890 SERIES II Service Manual page 159

` 19233A/19235A ECD:
a. Using a Pozidriv screwdriver, remove the
three screws securing the detector cover to
the thermal strap.
b. Remove the detector cover.
c. Disconnect the cell collector lead from the
PCB interconnect.
d. Loosen the screws securing the clamps
which hold the interconnect in place.
` G1223A/G1224A ECD:
a. Using a Pozidriv screwdriver, remove the
screw securing the detector top cover to
the thermal strap.
b. Remove the detector top cover.
c. Disconnect any tubing attached to the de-
tector purge and vent tubes.
d. Disconnect the cell anode lead from the
PCB interconnect.
e. Loosen the screw securing the detector
PCB interconnect clamp to the thermal
strap.
` FPD:
a. Disconnect the signal cable from its con-
nector on the FPD detector PCB.
b. Disconnect the high voltage cable from its
connector on the FPD detector PCB.
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CLAMPS
TOP COVER
ANODE
SIGNAL CABLE
HIGH VOLTAGE
CABLE
SVC 4- 89
CELL COLLECTOR LEAD
PCB INTERCONNECT
THERMAL
STRAP
CLAMP