post #1 of Old 09-24-2013, 11:58 AM Thread Starter
RisingJeeper
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Kenwood head unit protect mode

I've got a 98 XJ. My brother outfitted it with a kenwood head unit, mtx terminator amp and sub, and some speakers. I put the head unit in wrong once and we think it might've bent it. It works on and off, going into protect mode after a few days of me resetting it. I recently discovered that the RCA cord going from the head unit to the amp had broken in the amp. I replaced it, hoping that was the cause of the protect problem. Played great last night and this morning but now went back into protect. What can I do? Do I need to get a new head unit?

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post #2 of Old 09-24-2013, 07:26 PM
Bmel17
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Sounds like an internal issue with the receiver. Did you look up the error message in the manual?

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post #3 of Old 09-24-2013, 07:41 PM Thread Starter
RisingJeeper
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no error message, just flashes PROTECT
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post #4 of Old 09-24-2013, 07:47 PM
Bmel17
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Quote:
Originally Posted by RisingJeeper View Post
no error message, just flashes PROTECT
that is the error message. If you don't have the owner's manual, you can look it up on the kenwood site probably.

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post #5 of Old 09-24-2013, 07:49 PM
Bmel17
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JMO, but I'd get something newer. I just installed new pioneer touchscreen to replace my old JVC single din dvd player. Just for the convenience of bluetooth~

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post #6 of Old 09-24-2013, 08:20 PM
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make sure the speaker wires are not grounding out and make sure you have no less then 4 ohms on each channel
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post #7 of Old 09-24-2013, 08:24 PM Thread Starter
RisingJeeper
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You have any preference on company? I've had good results from my kenwood til recently and haven't fully explored other options. Oh I've got the KDC-248U. It's a bit outdated, kenwood released at least one new, similar model. I'm hoping mostly for good price. Not worried about the best music quality
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post #8 of Old 09-24-2013, 08:25 PM Thread Starter
RisingJeeper
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Quote:
Originally Posted by kingcat400
make sure the speaker wires are not grounding out and make sure you have no less then 4 ohms on each channel
Never dabbled in wiring before. More info on that? Otherwise I can just google it
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post #9 of Old 09-24-2013, 08:49 PM
kingcat400
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how many speakers?
does the fade/balance work properly?
is the amp wired via rca outs or a line converter?
what speakers?
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post #10 of Old 09-24-2013, 08:53 PM Thread Starter
RisingJeeper
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Amp is wired with RCA. I think there are stock speakers plus better door speakers and a big ole sub in the back. Trying to get sound system specs from my brother, he did the work. Balance and fade work fine, all modifying settings using head unit (haven't tried changing amp levels) work fine, just reset when I reset the head unit. Which is expected
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post #11 of Old 09-24-2013, 08:56 PM Thread Starter
RisingJeeper
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Amp is 200w mtx terminator, sub is I believe 12" mtx that came as package with amp.
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post #12 of Old 09-24-2013, 09:09 PM
Bmel17
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Quote:
Originally Posted by RisingJeeper View Post
You have any preference on company? I've had good results from my kenwood til recently and haven't fully explored other options. Oh I've got the KDC-248U. It's a bit outdated, kenwood released at least one new, similar model. I'm hoping mostly for good price. Not worried about the best music quality
I'm always more worried about sound quality and I go with the motto "you get what you pay for". I just took out a JVC kd-nx5000 and replaced it a pioneer avh-x7500bt. I was surprised with the difference. The updated technology was that much better to me. It's iphone 5 compatible which is what sold me. Although I'm sure something else will be out better in the next few months But I'll update in another year or so and sell this one

As for company preferences, not really. I stick with the name brand and go by features, ease of use, etc. Right now the pioneer was the best in a niche of single din flip out screens.

Get yourself a multi-meter to check your wires. It'll come in handy in the future for many. many other things.

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post #13 of Old 09-24-2013, 09:24 PM
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From the kenwood website: Check to be sure the terminals of the speaker leads are covered with insulating tape properly, then reset the unit. If "PROTECT" does not disappear, consult your nearest service center.

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post #14 of Old 09-24-2013, 10:48 PM
goodwrenchdave
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from a generic (non brand specific) perspective: a protection fault is usually caused by an amplified "amplified out to speaker") and not a preamp resistance being out of spec. It can be a short, a wrong speaker resistance (using 2ohm on 4ohm impendence or 8 ohm speakers), or even overpowering your speakers. As mentioned before: check the speaker out wires, the radio spec and the speaker spec.
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post #15 of Old 09-25-2013, 07:55 AM
kingcat400
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I'm going to guess that the fronts are wired 2 or 8ohms with the stock speaker in the mix. I have had both cause protect. Try un hooking the stock speakers and try again.
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