simpler solution is to not run rear speakers at all. This is the first method that we will use to make a connection. Head-unit RCA out is not working? Q&A, Advice, Tips, tricks and tech welcome! I'll have another read of the manual too, good suggestion. On the P80 the fuse is on the top, right beside the RCA plug connector thing. Ok, thanks for the tip. Confirmed that the amp works with a different source? On some it's underneath the PCB but it's usually not far from the RCAs anyway. pwp347. The RCA cable runs on your amplifier, then you definately run the subwoofer wires to the amplifier. Please refer to the links below for basic starting information. They are used to transfer an output signal into your car amplifier through rca cables, if RCA sockets on your CD player are faulty you will result in no music to be heard. It's a Pioneer MVH 285BT head unit that's having a problem outputting sound through the RCA leads (I've confirmed this by connecting the leads up to a little speaker). To check this, you can simply hook up a set of good RCA cables to your head unit and amp. The JBL will be pushing two of the subs and the rockford one bridged. For example, if your system has one built-in RCA jack, you connect LOC to any other output of the head unit and the output of LOC will be RCA jack. For The Car Audio and Video enthusiast! Split RCA jacks with LOC. So far, it's fried a PG Xenon 10D2 sub (450 watts), an Alpine Type-R (500 watts) and an Audiobahn Dub 1000 (600 watts). Swap the right and left channel speakers . Would I need two sets of jacks so I can do front and rear rca jacks input and output? Made sure to turn off any high pass filter you were using previously? Turn on the stereo system. I directly plugged the speaker to the back of the radio of that left ouput to by pass the car wiring between the speaker and the radio harness. one output on car radio head unit not working. This is a quick and simple way to test whether one speaker is truly bad or not. New comments cannot be posted and votes cannot be cast. Heads, Subs, EQs, etc... Bring it into our show room. otherwise you can buy a 4 channel amp with RCA outputs as well - to feed the signal through to the sub amp. Which leads me to a thought that amp is needed. straight to the unit via rca/trs/xlr just to make sure. My head unit, Blaupunkt BPV 755 only has one set of RCA jacks. You're SP-P/O mode sets which one is outputted and you'll have other filters and settings to modify or cut the signal. Close. Looks like you're using new Reddit on an old browser. then connect your phone directly to amp. ? When we install an aftermarket radio in your dash and connect it to the amplifier, we have to make at least one adjustment to ensure everything will work properly. Posted by 2 years ago. because the rear left speaker has no sound. Q&A, Advice, Tips, tricks and tech welcome! If you are unable to find any problems with your speakers, RCA patch cables that are grounded out or otherwise faulty can also cause the protect light to come on. I'd read the manual and mess with settings first because its the easiest thing to have wrong and the easiest thing to test/fix. I used a multimeter and probed the middle piece and shell of the RCA but couldn't find any AC/DC voltage. I previously used those 2 outputs for all my stock speakers but now that I want to add a sub to my sound system, I'm using line converters so I can use those 2 RCA outputs on the head unit for my sub. head unit w/ 2 outputs, mono + 4 channel - Hey guys, I am doing my install this weekend, ( still waiting for shipping). As shown in the above diagram, you can connect 2 channels to a 4 channel amp using either the speaker level inputs wired in parallel or by using simple RCA adapter cables. Confirm this by shutting down the stereo system, unplugging the right RCA cable and plugging the left RCA cable into the right output of the stereo system. I tested the RCA cable from the head unit with a pair of earphones too, nothing. I was wondering about the RCA cable. 9. Just ran to best buy after to get the cord and the amp is working. Alibaba.com offers 961 head unit rca output products. Seems like you right, RCA output incapable of driving the speaker of stock sub. I'm using this head unit and I'm trying to use install a new amp and sub to it. in case you want to function a 2d amplifier, you will get a y-splitter or get an amp that has pre-amp outputs, so which you may have a RCA cable coming in, and have an RCA cable … I hooked it up as it was previously and it works. I previously used those 2 outputs for all my stock speakers but now that I want to add a sub to my sound system, I'm using line converters so I can use those 2 RCA outputs on the head unit for my sub. If that causes the light to turn off, replacing the RCA cables will fix the problem. For example, let's assume that the right channel does not work when connected to the right speaker, but the left channel works fine when connected to the left speaker. Edit: just looked again at the pdf, the load impedance was for a different HU... but i'm still confused why theres no signal coming from the RCA cables. For The Car Audio and Video enthusiast! Press J to jump to the feed. and is 20-25 rms watts per channel enough to power the tweeters … That is why I'm changing the head unit to an aftermarket so I can run a low level signal (RCA's) to the amp. So my question is how or what do i need to do to keep that head unit? These are often referred to as high level to low level adapters or speaker level to RCA adapters. 1. New Member. Pioneer head unit RCA output not working. The sub/amp works fine if i have it hooked up to the "rear out" RCA terminal. I bought a new subwoofer and amplifier today, but the "sub out" output doesn't seem to be working. I'm gonna have to clean my pants soon cause that made me so wet. Hey mate, I'm sure it wouldn't be the amp. on the returned of the top unit, there is an output, you hook up a RCA cable to that output. Connect Speaker Wire To RCA Adapter. Pioneer head unit RCA output not working. Try hooking it up the way it was previously to confirm it is no longer working. Keep in mind this subwoofer was working fine. I am currently trying to run a JBL 300.1 amp and a rockford 200S to run 3 10" subs. I have ran RCA cables to both amps and have the subwoofer working. Please refer to the links below for basic starting information. But speaker still not playing. if you have sound, then you have a starting point. Another issue you can run into with factory head units is the lack of RCA outputs. Here are a couple of choices: 1/8" (3.5 mm) headphone plug to stereo RCA plugs (analog) - 5 feet long fiberoptic cable (digital) - 6 feet long You could plug either of these cables (analog or digital) into your home theater system, … So... the problem is either the Head unit or the RCA cable. Sometimes, when power is interrupted to the head unit's 'constant' power wire (yellow on most head units), the microcontroller can get 'confused' and the head unit won't power up. It's a Pioneer MVH 285BT head unit that's having a problem outputting sound through the RCA leads (I've confirmed this by connecting the leads up to a little speaker). 9. pwp347. 1) Set your multimeter tool to read in AC volts. Thanks RabidAddict! Using this method, you can add an amplifier to the old audio setup of your car. This guide can be used to test both speaker and subwoofer RCA preamp outputs. Make sure that the RCA cables are disconnected from the RCA jacks on the head unit. However, now that I try to add the sub and amp, the head unit is not sending signal through the RCA cables going to my new amp. ... i had a salesmen push a pioneer head unit on me extremely hard, its only 2.2v and i needed a head unit for well over 2,000 RMS in the 6-8v range. No head unit typically has more than about 60watts of total output power because more would require a real DC-DC power supply (which does not fit in a head unit easily). I'm using this head unit and I'm trying to use install a new amp and sub to it. Sometimes that's an option. I have just purchased the aftermarket head unit for Audi A3 8P 2012 model which has Touchscreen , Nav , e.t.c i have connected the headunit with the canbus cable which was included and have also connected the RCA cable as well - everything seems to work fine . I have the Pioneer DEH-P7600MP and there's a separate output for a subwoofer. if you must for some reason, i prefer to combine front and sub on the same output so I can still use a fader to keep rear speakers much quieter than the fronts. I set the gain to the lowest because I was trying to match the gain with a 50hz test tone but the amp's speaker outputs receive 0 AC/DC voltage. If you want to increase the number of RCA jacks or even create an RCA jack if your system has none, LOC is going to help you in both the cases. no, they aren't turned off via the head unit. Are the rca outputs turned off via the head unit? If this happens, pushing the reset button can sometimes reset the processor and allow the head unit to function correctly.

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