Radio Shack TRC-495 - Troubleshooting; Symptom: Trouble with reception; Symptom: Trouble with transmission; Symptom: CB does not work at all

14
TROUBLESHOOTING
If your CB is not working as it should,
refer to the following charts to see if
you can eliminate the problem. If you
cannot, take the CB to your local
Radio Shack store. DO NOT attempt
repairs or adjustments yourself.
S
y
mptom
: Trouble with reception
S
y
mptom
: Trouble with transmis-
sion
S
y
mptom
: CB does not work at all
Check Solution
Insufficient vol-
ume?
Adjust
VOLUME
as needed.
Too much
squelch?
Adjust
SQUELCH
as needed.
CB not on oper-
atin
g
channel?
Switch to active
channel.
Microphone
connected?
Connect micro-
phone.
Antenna con-
nections?
Secure connec-
tions.
RF
g
ain too
low?
Adjust
RF GAIN
as needed.
Channel 9
locked?
Press
CH9
a
g
ain.
Check Solution
Transmission
cable con-
nected to
antenna?
Secure antenna
connector.
Antenna not
fully extended?
Extend to full
len
g
th.
Connectors cor-
roded?
Clean and
ti
g
hten.
Talk button not
fully pressed?
Press com-
pletely. Hold
down button
while speakin
g
.
Microphone
connector
loose?
Firmly press in
jack.
Check Solution
Power con-
nected incor-
rectly?
Secure connec-
tions to a live
source.
Fuse in the DC
power lead
needs replac-
in
g
?
Replace with
identical fuse.
21-1579.fm Page 14 Thursday, August 5, 1999 9:34 AM