17
CQ-RG153U
11
E
N
G
L
I
S
H
Trouble
Much noise in FM stereo
and monaural broad-
casts.
The antenna ground lead is not connected properly.
➡
Connect the antenna ground lead properly.
Preset station is reset.
Battery cable is not correctly connected.
➡
Connect the battery cable to the terminal that is always active.
The radio antenna is not extended enough.
➡
Extend fully the radio antenna.
Cause/Step
❐
Radio
Trouble
No sound.
Blank tape is inserted in the unit.
➡
Insert recorded tape into the unit.
Tape sound quality is
poor.
Heads are dirty.
➡
Clean heads. (Ask a service representative for advice.)
Poor quality tape.
➡
Use better quality tape.
Reproduction of high
tones is poor.
Heads are magnetized.
➡
Demagnetize heads. (Ask a service representative for advice.)
Wow and flutter level is
very high.
Tape running mechanism is dirty or out of order.
➡
Clean tape running mechanism, or repair it. (Ask a service represen-
tative for advice.)
Cause/Step
❐
Cassette Tape
Trouble
No sound from left,
right, front, or rear
speaker.
Left and right balance, or front and rear balance is off on one side.
➡
Adjust BAL/FAD as appropriate.
Cables are not correctly connected.
➡
Connect the cables correctly.
The right speaker wire is connected to the left speaker and the left speaker
wire to the right speaker.
➡
Connect the speaker wires to the correct one.
Left and right sounds are
reversed in stereo lis-
tening.
Cause/Step
❐
Sound Setting
16
CQ-RG153U
10
E
N
G
L
I
S
H
Troubleshooting
Preliminary Steps
Check and take steps as described in the tables below.
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.
No power.
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.
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.
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
Troubleshooting Tips
❐
Common
No sound.
Mute is set to ON.
➡
Set it to OFF.
Noise.
The ground lead is not connected properly.
➡
Connect the ground lead properly.
Cables are not correctly connected.
➡
Connect cables correctly.
