TM 11-6625-3081-23
8-4. BUS MULTIPLEXER CCA 2A2A7A6A7
8 - 4
INITIAL SETUP
Tools & Equipment Required
Personnel Required
Hewlett-Packard Timer/Counter
HP5315A (or equivalent)
39B ATE Repairer
AVIM Calibration Kit 13231167
(Extender Board 13231171)
NOTE
Perform the following procedures
at 8 month intervals.
PRELIMINARY SETUP
1.
2.
3.
4.
Remove eight screws (1), lockwashers
(2), and flat washers (3).
Pull electronics drawer assembly (4)
out to full extension.
CAUTION
When removing power from the EO
bench, de-energize CB3 before
deenergizing CB1.
De-energize CB3 and CB1 on AC
Control Panel 1A5.
CAUTION
The bus multiplexer CCA contains
parts sensitive to electrostatic
discharge (ESD). Use ESD precau-
tionary procedures (para 2-21) when
touching, removing, or inserting
CCA.
Lift BUS Multiplexer CCA (5) out of
electronics drawer (4).
8-18
Change 9