Question about Pioneer GM-5100T Car Audio Amplifier

1 Answer

Amp has power but sub won't play

I've checked all my wiring and fuses and all is good. RCA cables are all good. Sub is not blown. There is a place for system control. What should be hooked up to that? If it's the remote what colour is the wire on an alpine deck

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  • Expert
  • 75 Answers

The system control is just a fancy name for Remote Turn On. It is usually blue on the back of most decks.

Posted on Dec 10, 2013

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Posted on Jan 02, 2017

  • 631 Answers

SOURCE: System Remote Control Wire.

Wal Mart generally has 4g wiring kits for ~$40. Some of the kits contain everything you'll need to install your amp (including RCA cables, fuses and fuse holders).

If you want to understand more about car audio installation, read through the following site:

bcae1.com

Read the following pages specifically:
Installation Primer
Wire
Fuses
Amplifiers
Head Unit

Posted on Dec 29, 2007

mjap
  • 107 Answers

SOURCE: wiring my subs to my alpine mrv-1000

did you read your instruction manual. does it says "it could be bridged to other amp"?. you can't make a bridge to amplifier that is not bridgeable. bridging an amp is a way which it is made through transistor type ampilfier by bridging more transistor inside and more voltage is required for bridging.
I don't know if we could do to an IC type amplifier. ask an experts about bridging IC types how to bridge maybe they know how.
and if you had an successful bridging, you may have a problem through your speakers, they may hit hard but you will experience some errors through your speakers and easy to worn.

Posted on Jan 26, 2008

BenJames PPI
  • 6 Answers

SOURCE: Pioneer 6300 F

Still having problems? Let's try ruling out the RCA connections as a problem:

The amplifier (Pioneer 6300F) to head unit RCA connection may have been damaged as a result of the bad grounding of the amplifier. ie; If the amplifier cannot obtain a ground connection for its voltage rail through chassis grounding or negative votage connection point, the RCA negative signal path (outer connetion shield on RCA point) will become the only grounding point.

Normally the head unit has an internal fuse (about the size of a grain of rice) which blows at this point, requiring an internal repair. You can "temporarily" repair this by connecting a wire from the outer RCA (neg) connection to the head unit chassis, however if the same grounding problem occurs at a later stage, the connecting wire will become a "fire wire"!!!!... So it's not recommended to do this for anything other than fault finding.

In some instances the RCA cable itself will be damaged, resulting in the positive, or negative wire becoming an "open" circuit. If the inner wire (pos) becomes broken (open circuit) you will have no signal presented to the amplifier (no sound) . If you have an outer RCA wire (neg) broken, not only will you have "no sound" but you will also have an annoying "pop" which will occur every couple of seconds due to the negative preamp signal (inside your amplifier) eventually finding a ground internally. This can pop circuit breakers and fuses, as it is a rapid full blast of signal voltage being induced into the amplifiers preamp audio circuit.

Lastly, if your amplifier RCA input connection has a weak or broken (dry) solder joint internal of the amplifier it will present the same symptoms as an unserviceable RCA lead.

If you want to see if this is the problem, you can do a couple of tests which will tell you whether you have this symptom occurring:

1: connect the head unit to the amplifier using the "speaker inputs". (use the speaker outs on the h.u. for this, and disconnect the RCAs). If the system now works correctly, then continue fault finding the RCA circuit. If the same problem still occurs then the RCA connection is NOT the problem, and your amplifier has a problem with its preamp circuit.

2: If step 1 "passed", replace the RCA connection (and remove the h.u. speaker signal inputs to the amp) with a different RCA lead. If the problem is not apparrent then you've fixed it!! If the problem is still occuring then continue onto step 3

3. temporarily connect a thin wire from the metal chassis of the h.u. to the outer of the h.u. (head unit) rca connector. A simple wrapping of wire around the metal outer connection to the chassis should suffice for testing. (be ready to turn the system off if the temporary wire becomes slightly hot). Test the system and see if the problem has gone away.... If the problem has been resolved, then you will have to replace the h.u. internal RCA ground fuse (which requires soldering). If the problem is still there then continue to step 4

4 temporarily connect a thin wire from the RCA outer connection on the amplifier to the amplifier chassis and see if this fixes the problem. If the problem is now resolved, the amplifier needs to be replaced, or the preamp circuit needs repair. It could be as simple as resoldering the RCA connection inside the amp, or as complex as replacing a transistor... One thing to consider is that this fault finding technique cannot be used on "balanced line" RCA inputs... The 6300F uses "unbalanced" inputs so you should be o.k.

5... If you have done all of the above, then the problem isn't the RCA connection, so at least you have ruled that one out....

Posted on Oct 30, 2008

  • 631 Answers

SOURCE: Pioneer GM-5100T Car Audio Amplifier IS THE SYSTEM CONTROL WIRE THE SAME AS REMOTE WIRE

System control is the same as the remote turn-on from the head unit.

Posted on Nov 05, 2008

  • 1 Answer

SOURCE: amplifier does not turn on when head unit is turned on

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Posted on Jan 07, 2009

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Why does my MCS sub 10 not turn on?


Is that the right part number, MCS 10, and not MCS100?

The MCS systems use a basic sub which is matched to the satellites. There's very few controls other than level on the MCS100. So as long as the power light is illuminated the there's very little other than the volume control that could be set wrong on the sub. So what it comes down to is either

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As a quick test, unplug the sub cab from the amplifier/receiver end. Switch on the sub and turn the volume down all the way. Briefly put your finger across to short the RCA/phono tip and ring. The sub should make a buzzing sound. You now know that the sub is working and the cable appears to be okay

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