Troubleshooting ______________________________________________________________________
RF-MCGARDPRO
Hubbell Power Systems, Inc.
–
RFL™
Products
July 1, 2022
©2022 Hubbell Incorporated
8-10
C
A
U
T
IO
N
S
T
A
T
IC
S
E
N
S
IT
IV
E
R
1
3
A
M
P
IM
P
E
D
A
D
J
R
8
A
M
P
G
A
IN
A
D
J
R
1
9
T
X
F
A
IL
A
D
J
P
A
O
U
T
R
X
IN
F
IN
E
C
O
A
R
S
E
T
X
/R
X
2
W
T
X
4
W
R
X
G
N
D
+
1
5
V
-1
5
V
G
N
D
C
L
I
Connect dummy load
Common test point (black)
RX in test point
(yellow)
Power amp out test
point (red)
Common test point (black)
R13 Amp impedance adjust
R19 Amp TX fail adjust
R8 Amp gain adjust
R46
S1
Figure 8-6. PLC Analog Module Rear Panel View
TP3
TP1
TP6
TP2
Figure 8-7. PLC Power Amp Section