Harris HTlFM - Page 23

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0
0
=============POWER
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I
18)
HARRIS
P □
VER
rAULT
L~TATU~J
V
GND
I
Io
o o I
@
l__
SUPPLY
___J
'ft'
TEST
Figure 3-9.
PA
Amplifier Front
CONTROL/INDICATOR
FUNCTION
STATUS
POWER
Indicates power is applied to
power
amplifier
FAULT
Indicates a fault has been detected in power amplifier
SUPPLY TEST
VtoGND
Gives a reading
of
power amplifier voltage
ltoGND
Gives a voltage reading that indicates power amplifier current (0.1 V per amp)
Table 3-5.
PA
Amplifier
Front-
Controls & Indicators
A1J2
I
I
II
I
II
I I
00
FAULT
GND
fl
F2
RF
OUTPUT
FWD
EXT
v+
20
AMP
[Q]
PWR
TIMING
MONITOR
RESISTOR
-r-0
Figure
3-10
.
PA
Amplifier
Rear
View
888-2312-001
WARNING: Disconnect primary power
prior
to servicing.
0
0
□□□□□□
□□□□□□
RF
11'PUT
J3O
TO
CONTROLLER
~
P1
0
AC
POWER
0
3-5