Servicing Your Transceiver; Troubleshooting - Uniden PC78LTW User Manual

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T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g
Problem
Unit does not power up
No reception
Poor Reception
No Transmission
Low Transmission
If you do not get satisfactory results after performing the above checks,
call the Uniden Customer Service Center at 1-800-297-1023, 8:00 a.m. to
5:00 p.m. CST, Monday through Friday.
S S e e r r v v i i c c i i n n g g Y Y o o u u r r T T r r a a n n s s c c e e i i v v e e r r
Technical information, diagrams, and charts are provided on request. It is
the user's responsibility to see that this radio is operating at all times in
accordance with the FCC Citizens Radio Service regulations. We highly
recommend that you consult a qualified radio/telephone technician for
servicing and aligning this CB radio product. Please read the Warning
information on page 1 of this Guide.
When ordering parts, be sure to specify the correct
model number and serial number of the unit.
8:24 AM Page 10
Suggestion
Check the ignition key position.
Check power cord connections.
Check fuse.
Check vehicle electrical system.
Check microphone connection.
Set CB/WX/PA switch to CB .
Check VOLUME and SQUELCH .
Check antenna.
Check antenna connection.
Set RF GAIN to MAX.
Check VOLUME and SQUELCH .
Be sure antenna SWR is normal.
Set RF GAIN to MAX .
Check and adjust DELTA TUNE .
Set CB/WXPA switch to CB .
Check microphone connection.
Check MIC GAIN and adjust to MAX .
Be sure antenna SWR is normal.
Check MIC GAIN and adjust to MAX .
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