HP 5890 SERIES II Service Manual page 99

When disconnecting a plug, pull on the
`
plug not on its wires. Pulling on the wires
may cause breakage.
The following steps require protection
`
against ESD (Electro- Static Discharge).
Use a grounded wrist strap (part no.
9300- 0969 -
small) connected to a suitable ground.
Failure to heed this caution may result in
damage to the instrument.
9. Disconnect the NPD bead power cable from the
detector PCB by pulling it straight off.
10. Use the side edge of an AMP pin extraction/
lance tool (8710- 1542) to remove the interlock-
ing side covers from the plug. (The plug is
made up of two connectors; one is for the to-
roid bead power, the other is for the active con-
trol element.)
EXTRACTION
LANCE RESET
TOOL
DASH NUMBER
LANCE
MARKED HERE
RESET TIP
11. Loosen the screws securing the detector PCB
interconnect clamps to the thermal strap.
COLLECTOR
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large, or 9300- 0970 -
TOOL
STOP
LANCE
RELEASE
TIP
SVC 4- 29
TO NPD TRANSFORMER
TOP PART OF CONNECTOR
LOCKING TAB
5
1
LOCKING TAB
NOTE
5
ASSEMBLED
CONNECTORS
1
DETECTOR COVER
INTERCONNECT
CLAMP SCREW
TO NPD BEAD
POWER
CONTROL
BOTTOM PART
OF
CONNECTOR