Audiovox AV-970 - Manual (Page 17)

TROUBLESHOOTING
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PROBLEM PROBABLE CAUSE CHECK FOLLOWING
Unit completely inoperative no lights,
no sound Incorrect power connection .
Orange/Whitestiipewireto+12V ACC.
and Green/White stripe wire to+12V
battery
Blown fuse
Check fuses in wires listed above and
check car fuse block
Unit v»iill not keep time or Radio
station memory _
Incorrect power connection
Green/White Stripe wire is not con­
nected to a "live" +12V battery source
Blown fuse
Check fuse in Green/White stripe wire
and at car's fuse block
Noise on tx»th radio and tape
Poor ground
Check Black/White stripe wire for
proper grounding
Dirty or corroded battery posts
Clean and tighten connection
If problem also existed with previous
radio you removed
Consult your local garage mechanic-
car may need tune-up or noise filter
Noise on radio only Antenna
Check that antenna base is grourrded.
Test with antenna disconnected. If
noise goes away, replace antenna
Poor FM reception and almost no
AM reception
Antenna
Replace antenna and antenna cable
Poor FM reception and Good AM
reception FM Local-Distant switch
Check if unit has a Local-DisUtnt switch
and set to "Distant* position
No sound on one speaker
Wiring
Check speaker wiring
(tK>th radio and tape)
Speaker
Test with good speaker
Radio Operation
Check baleince and fader controls
Poor sound on tape only (after one
month or more of tape usage)
Dirty tape mechanism
Clean tape head and mechanism
Poor sound-new unit
For radios with 40 watts or more
output power
Check rating of speakers for sufficient
power capacity
•
Check that speakers are in good
condition
Check that Violet and Green speaker
wires are not grounded
For all radios
Check speaker wiring
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