Troubleshooting - Panasonic CQRG153U - AUTO RADIO/CASSETTE Operating Instructions Manual

E

Troubleshooting

N
G
L
I
S Preliminary Steps
H
Check and take steps as described in the tables below.
10
If You Suspect Something Wrong
Immediately switch the power off.
Disconnect the power connector and check that there is
neither smoke nor heat from the unit before asking for
repairs. Never try to repair the unit by yourself because it
is dangerous to do so.
Troubleshooting Tips
Common
Trouble
Car's ignition switch is not on.
Turn your car's ignition switch to ACC or ON.
Cables are not correctly connected.
Connect cables correctly.
Battery cable is not correctly connected.
Connect the battery cable to the terminal that is always active.
No power.
Accessory cable is not correctly connected.
Connect the accessory cable to your car's ACC source.
Grounding wire is not correctly connected.
Connect the grounding wire to a metal part of the car.
Fuse is burnt.
Consult the store where you purchased the unit, and ask for fuse
replacement.
Mute is set to ON.
Set it to OFF.
No sound.
Cables are not correctly connected.
Connect cables correctly.
The ground lead is not connected properly.
Noise.
Connect the ground lead properly.
16
CQ-RG153U
Cautions:
• Do not use the unit if it malfunctions or if there is
something wrong.
• Do not use the unit in irregular condition, for example,
without sound, or with smoke or foul smell, which
can cause ignition or electric shock. Immediately stop
using it and call the store where you purchased it.
Cause/Step
Radio
Trouble
The antenna ground lead is not connected properly.
Much noise in FM stereo Connect the antenna ground lead properly.
and monaural broad-
casts.
The radio antenna is not extended enough.
Extend fully the radio antenna.
Battery cable is not correctly connected.
Preset station is reset.
Connect the battery cable to the terminal that is always active.
Cassette Tape
Trouble
Blank tape is inserted in the unit.
No sound.
Insert recorded tape into the unit.
Heads are dirty.
Clean heads. (Ask a service representative for advice.)
Tape sound quality is
poor.
Poor quality tape.
Use better quality tape.
Reproduction of high Heads are magnetized.
Demagnetize heads. (Ask a service representative for advice.)
tones is poor.
Tape running mechanism is dirty or out of order.
Wow and flutter level is
Clean tape running mechanism, or repair it. (Ask a service represen-
very high.
tative for advice.)
Sound Setting
Trouble
Left and right balance, or front and rear balance is off on one side.
Adjust BAL/FAD as appropriate.
No sound from left,
right, front, or rear
Cables are not correctly connected.
speaker.
Connect the cables correctly.
The right speaker wire is connected to the left speaker and the left speaker
Left and right sounds are
reversed in stereo lis- wire to the right speaker.
Connect the speaker wires to the correct one.
tening.
E
N
G
L
S
H
Cause/Step
11
Cause/Step
Cause/Step
17
CQ-RG153U
I