Quantcast RF Amplifier (AR1-AR4), Removal/Installation.

 

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I n d i c a t o r L i g h t A s s e m b l y ( A 8 ) , Replacement.
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TM-32-5865-061-24-P Receiver Set R-2197/MLQ-34 Part Number 5051640-1NSN
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Circuit  Breakers  (CB1-CB5), R e m o v a l / I n s t a l l a t i o n
TM 32-5865-061-24&P
5-4.10 RF Amplifier (AR1-AR4), Removal/Installation.
T h e RF Amplifiers are
removed/installed  as  follows:
a.
R e m o v e A10, refer to para 5-4.3. Store A10 safely.
b.
R e m o v e and retain 18 socket-head screws, washers, and two threaded stand-
off posts securing the rear panel to the chassis.
c.
T a k i n g care not to strain the cable-harness, lower and s u p p o r t t h e r e a r
panel.
d.
D i s c o n n e c t the cable connected to the OUT connector on t h e assembly.
Disconnect the cable from the attenuator.
e.
.
f.
Label and unsolder the wires connected to the terminals of the assembly.
R e m o v e and retain the four screws and washers securing the assembly to the
g.
chassis.
h.
Remove and retain the attenuator from the IN connector.
NOTE
Use insulated sleeving (heat-shrink) of appropriate inside diameter
on soldered connections.
NOTE
Torque SMA c o n n e c t o r s t o 8 - i n c h p o u n d s .
To install a replacement, reverse the procedure detailed in steps a. thru
i.
h. above.
Fan (B1), R e m o v a l / I n s t a l l a t i o n .
B1 is removed/installed as follows:
Remove top access cover, refer to para 5-4.1.
a.
b.
Locate the yellow/white wire connecting B1 to CB2-2.
CAUTION
W h e n unfastening cable-ties, t a k e care not to cut or damage the wire
harness.
Unfasten cable-ties and release the yellow/white wire from the harness.
c.
NOTE
Connections to C1 are as follows:
red/white and wire to TB1-7D at
front panel end, green/white to rear panel end.
U n s o l d e r the wires from both ends of C1.
d.
5-14

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