Question about Kenwood Car Audio & Video

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A kenwood amp KAC-7202 comes on red light on top on but no sound what could be wrong

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  • Master
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There could be several problems. The following page should help youdetermine if you have a problem with the amp or something connected tothe amp.

Amplifier in Protection Mode - Troubleshooting

Posted on Dec 17, 2008

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  • Master
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Hi and welcome to FixYa,

Initially, that would indicate that the built-in protection system has kicked in. This prevents the system to completely power on and thus damage more parts inside including the speakers.

More often, the problem would be with the power outputs shorting while in some instances would extend even to the pre-amp section. Still in other cases, it could be a software glitch and you can try doing a reset by unplugging from the mains for an extended period and try again. it may also help to do a continuity check on the speakers to determine that they are not the culprits.

Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 17, 2008

  • Louie  Role
    Louie Role Dec 17, 2008

    Incidentally, the mains in this case would be the main power from the battery and the trigger from the head unit.

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