Figure 6-1. Typical integrated Circuit Pin Arrangement

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3010

Figure 6-1. Typical integrated Circuit Pin Arrangement - Top View

4. Upon completion of continuity measurements,

return extender card and previously removed functional

card to their normally installed positions.

The extender card must

6-19.SPECIAL PURPOSE SWITCH USAGE. The plug-in

installed

properly.

cards in the multiplexer set contain switches that are

Before

installing

ex-

potentially useful during certain maintenance and

tender, ensure that part

troubleshooting processes. Generally, these switches

number

(61864080-009)

allow selected diagnostic or error signals to be inhibited

side of extender card is

or with- held from the error display circuits. The ability to

facing right-hand side of

withhold certain error signals may be useful in cases

multiplexer set, and card

involving two or more simultaneous malfunctions or

edge having multiple key-

when transient error conditions are being experienced.

ing slots is pointing

Table 6-4 lists the special purpose switches located in

toward

bottom

the multiplexer set and briefly describes the function of

multiplexer set.

each. Reference to appropriate logic diagrams located

in the circuits diagram manual is suggested for specific

3. Insert extender card into desired card connector

switch function details.

and perform continuity measurements of the desired

pin(s). Pin number references are etched on the

extender card surface.

6-20