Section 6 Troubleshooting - Icom IC-3200A Service Manual

SECTION
6
TROUBLESHOOTING
Your
I
C-320CA/E has been carefu
lly
adjusted at
the factory
prior to
shipping.
The
chart
below
is
provided to
hel
p
you
correct
problems
that are
not
equipment
malfunctions.
If
you
are
unable
to
locate the trouble or correct the
fault,
please
contactyourdealerorthe nearest authorized
ICOM
Service
Center.
PROBLEM
POSSIBLE CAUSE
SOLUTION
1.
Power does
not
come
on
•
Power
cable
is
improperly
con- •
Carefully reconnect
power
cable.
1
when
the
POWER
SWITCH
n acted.
!
IS
pressed.
1
* Power
cable
is
conrrecied with the •
Disconnect
the
powercable,
replace fuse,
i
polarity reversed.
and
reconnect
the
power
cable observing
the
proper
polarity.
• Power
supply connection
is
impaired. * Inspect
connection
pins
• Power
supply
is
not connected. • Reconnect,
* Blown
fuse.
* Check
for the
cause, then replace fuse
with a
spare one.
2.
No sound
corrres
from
the •
VOLUME CONTROL
is
turned
com- • Turn
the control clockwise
to a suitable
speaker. pletely counterclockwise but not
"clicked"
OFF.
level.
•
SQUELCH CONTROL
is
operating.
•Turn
the
SQUELCH CONTROL
com-
pletefy
counterclockwise.
» fnlernal speaker
is
disconnected. •
Inspect
and make
connection.
* Connectron
cable
to
the optional ex- • Inspect
and
repair
connection.
ternaf
speaker
is
broken.
3,
Sensitivity
is
low
and
only
• The antenna
feedline
is
Cut
or •
Check
the feedJine
and
correct
any
strong signals are
audible. shorted.
improper
condition.
• Receive frequency and
the receivable
•
Change
antennas.
frequency range
of
the
antenna
are
not compatible,
1
1
1
4.
RF
output
is
low or
non-
•
The
PTT
SWITCH
is
impaired
due
to
• Check
MIC
CONNECTOR
connection.
existent.
a
poor connection
with the
MJC
CONNECTOR.
•
The
antenna
feedline
is
cut or
• Check
the antenna
teedline for
problems.
shorted.
5.
No
modulation. •
Poor
MIG
CONNECTOR
connection. •
Check connections
at
the
M
fC
CONN
EC-
TOR
and
correct
any
problems.
•
The MJC
cable
is
cut.
•
Repair disconnected
or cut wires.
6.
Unable
to
contact
another
• The
transceiver
is
set
in
DUPLEX
• Press the 1+/—)
SWITCH
to
select
station
even though
signals
mode
(when
SIMPLEX
is
desired) or
SIMPLEX
mode
or
press the
[+/-J
are
being
transmitted
and
vice versa.
SWITCH
to
select either
DUPLEX
t
or
the receive
mode
function
is
DUPLEX-
mode.
working.
• An
improper frequency
split
is
pro- •
Program
the
proper frequency
split
or
grammed
or input/output repeater
fre-
press the [+/—]
SWITCH
to select either
quencies are reversed.
DUPLEX
1
or
DUPLEX
mode
according
to
the repeater input/output frequencies.
7.
MEMORY SCAN
modedoes
• The
transceiver
is
not
set in
MEMORY
• Press the [MR]
SWITCH.
not function
when
the
SCAM SCAN
mode.
SWITCH
is
pressed.
•
AN memory
channels
arc
program- • Delete
some
of the
MEMORY
SKIP
pro-
med
with the
MEMORY
SKIP
func-
gramming
frorn the
memory
channels by
tion.
pressing the
[Ff
and fM-SKIP]
SWITCHES,
•
The
SQUELCH CONTROL
is
open • Turn
the
SQUELCH CONTROL
clock-
(RX
fNDiCATOR
is
ON). wise
until
the
RX INDICATOR
goes
out.
6
—
1