." When A3 (PA overheat)
is
displayed:
START
Output power of
I kW(continuous
carrier).
Does the
PA
fan
start
to
operate with
>--Ye"'-'s'------.
in
5 or 6 minutes?
PA
fan
related
failure.
Checkair ventilatio
and filter .
." When A4 (PA unbalaneed)
is
displayed:
PA may be out of order.
Refer
to
"When PA fails (2)" in "Detailed Troubleshooting Proeedures When PA
Fails" (page 25) ·
." When
AB
(antenna SWR)
is
displayed:
(1
)When trouble
is
eaused by deteetor cireuit failure,
one of the following units may be out of order:
a)CFG-111 matehing cireuit
b)CDJ-1143 eontrol
(2)When the aetual refleeted power is large,
one of the following units may be out of order:
a)CSC-433 antenna switeh
b)CFG-111 matehing cireuit
22
Downloaded
by
RadioManuai.EU