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| Troubleshooting |
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| If You Suspect Something Wrong |
| ■ Common (continued) |
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| Warning |
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55 |
| Check and take steps as described below. | ¡Do not use the unit in an irregular condition, | Problem | Possible cause a Possible solution |
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| If the described suggestions do not solve the problem, it is rec- | for example, without sound, or with smoke or |
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| a foul smell, which can cause ignition or elec- |
| Balance/Fader setting is not appropriate. |
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| ommended to take the unit to your nearest authorized Panasonic |
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| tric shock. Immediately stop using the unit | No sound from speak- | aReadjust Balance/Fader. |
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| Servicenter. The product should be serviced only by qualified | and consult your dealer. |
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| There is a break, a short circuit, poor contact or wrong wiring regarding the |
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| personnel. Please refer the checking and the repair to profes- | er(s) |
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| ¡Never try to repair the unit by yourself |
| speaker wiring. |
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| sionals. Panasonic shall not be liable for any accidents arising |
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| because it is dangerous to do so. |
| aCheck the speaker wiring. |
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| out of neglect of checking the unit or your own repair after your |
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| checking. |
| The speaker channels | The speaker wiring is reversed between right and left. |
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| aPerform the speaker wiring in accordance with the wiring diagram. |
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| ■ Common |
| right and left. |
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Problem | Possible cause a Possible solution | |
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| The power cord (battery, power and ground) is connected in the wrong way. | |
| aCheck the wiring. | |
No power to the unit |
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Fuse blows out. | ||
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| aEliminate the cause of fuse blowout and replace the fuse with new one. | |
| Consult your dealer. | |
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| MUTE is set to ON. | |
Sound is not generat- | aSet MUTE to OFF. | |
ed. | The wiring of speaker lines is not correct, or a break or poor contact arises. | |
| aCheck the wiring in accordance with the wiring diagram. (a Page 51) |
The sound field is not | The plus and minus terminals at right and left channels of speakers are con- | |
clear in the stereo | ||
nected reversely. | ||
mode. Central sound is | ||
aPerform the speaker wiring in accordance with the wiring diagram. | ||
not settled. | ||
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The power of the unit | The safety device works. |
fails unintentionally. | aConsult your dealer, or your nearest Panasonic Servicenter. |
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■Radio
| You cannot operate the unit while the demonstration screen appears. | |
The demonstration | aPress [DISP] to end the demonstration screen. | |
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If the demonstration screen appears frequently, there is a possibility that poor | ||
screen displayed and | ||
no operable | contact or wrong wiring arises between the battery lead of the unit and the | |
| battery cable of the car. (The battery lead should be always powered.) | |
| aCheck the battery wiring in accordance with the wiring diagram. | |
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| unit or its electrical lines. |
Problem
Poor reception or noise
Possible cause a Possible solution
Antenna installation or wiring of antenna cable is faulty.
aCheck whether the antenna mounting position and its wiring are correct. In addition, check to see whether the antenna ground is securely con- nected to the chassis.
No power is supplied to the antenna amplifier (when using a film antenna, etc.).
aCheck the wiring of the antenna battery lead.
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Noise | from the unit and the wiring of the unit. If noise cannot be eliminated | |
due to the wiring harness of the car, consult your dealer. | ||
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| The contact of the ground lead is poor. | |
| aMake sure that the ground lead is connected to an unpainted part of the | |
| chassis securely. | |
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Noise is made in step | Alternator noise comes from the car. | |
with engine revolu- | aChange the wiring position of the ground lead. | |
tions. | aMount a noise filter on the power supply. | |
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Some operations are | Some operations are not executable in particular modes such as menu mode. | |
aRead the operating instructions carefully and cancel the mode. If the | ||
not executable. | ||
unit is still out of order, consult your dealer. | ||
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The number of auto | The number of receivable stations is less than 6. |
preset stations is less | aMove to an area where receivable stations number is maximum, and try |
than 6. | presetting. |
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| The contact of the battery lead is poor, or the battery lead is not always pow- |
Preset stations cannot | ered. |
be stored. | aMake sure that the battery lead is connected securely, and preset sta- |
| tions again. |
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■XM Satellite Radio Option
Problem |
| Possible cause a Possible solution |
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| No contract with XM Satellite Radio Inc. |
Channel unselectable |
| aRefer to page 20 of this book and the XM's website to sign up for XM |
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| Radio service. |
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56 | 57 |