Printed Circuit Board

TM 5-6675-250-34

CAUTION

(5) Install BIAS knob on shaft and secure by

To avoid damaging the electrical con-

t i g h t e n i n g setscrews.

n e c t o r s , alternately back off each of

SELECT

knob

shaft

(6) I n s t a l l T E S T

the

two

securing

screws

during

pointer at SOURCE VOLTAGE position. Secure

disassembly.

k n o b by tightening setscrews.

(7) Install MODE SELECT knob on shaft with

(3) Disconnect two electrical connects (2A1J5

p o i n t e r at GC position. Secure knob by tightening

and 2A2J6) by unfastening two screws from each

setscrews.

connector.

Printed

Circuit

Board

Installation.

Removal.

(1) Position the printed circuit board to per-

(1) Remove control unit panel assembly from

mit connection of the two connectors (2A2J5 and

case.

2A2J6).

(2) U n f a s t e n s c r e w s s e c u r i n g p r i n t e d c i r c u i t

(2) C o n n e c t 2 A 2 J 5 w i t h 2 A 1 P 5 a n d 2 A 2 J 6

b o a r d to mounting brackets and move board side-

w i t h 2A1P6 and secure such with two screws.

w a y s to obtain access electrical connectors.

(3) S e c u r e t h e p r i n t e d c i r c u i t b o a r d t o t h e

m o u n t i n g brackets with ten screws.

3-3

Change 1