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Mackie cr 1604 clip light stays on constantly on channels 2&3. There is no output being sent to the main L-R on these channels. How do I repair?

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Is the PFL button stuck down on these two channels ?

Posted on Jul 24, 2009

  • soundproman7 Jan 06, 2010

    In some 1604's I've worked on in the past, this can sometimes indicate a power supply problem.

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Just bought the mixer and when i hook up the mixer to the amp the amp showing it clipping and no sound to the main speakers


If you are getting signal from you mixer at leaves tha are clipping your amp, then the mixer is working and at least the front end of your amp is working to register the clipping. In that case, your problem is-
1. The amp outputs are blown, check by hooking up to a different amp.
2, The speaker wires are connected incorrectly.
3. The speakers are not working. Try a different set.

May 21, 2016 | Mackie 1604 Vlz3 16 Channel Mixer

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Just bought the mackie 1604 vlz3 mixer and cant figure out how to get sound to the main speakers, the speakers and amps are connected correctly


Simplest is to use the LR button at the bottom of the channel strips you want to send to the main mix. Make sure you set the gain for each channel in use so that the clip light just occasionally blinked then back off a fraction.
If you want to use sub channels assign the strip to the appropriate one 1/2 or 3/4 and the assign the sub to the main mix and bring the subs up.

May 21, 2016 | Mackie 1604 Vlz3 16 Channel Mixer

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What r the 5 output possibilities for the mackie 1604


On page 28 of your user manual there is a block diagram. You will find the outputs on the right side of the drawing... They will innclude the mains, the mono, the subs and aux andd the tape outputs. There are a bunch and many are stereo types.

Feb 08, 2011 | Mackie 1604 Vlz3 16 Channel Mixer

1 Answer

I need to know step by step how to hook up my entired system using my macki board. I have a Mackie 1604 Vlz, a power amp for mains, a power amp for subs, a crossover, a vocal effects processor, and a 16...


ok, first thing will be the effects processor. look for the "aux sends" output jacks near the bottom center of the rear panel. run a 1/4 inch instrument cable from "aux send" 3 out into the input on the vocal processor, and run another from aux 4, if the effects processor has 2 inputs. then, from the vocal processors output, run 1/4 inch cables back into the "stereo returns" on the mixer, (located on the rear panel on the bottom, extreme left) 2 outputs per input, since its making stereo effects. so, if you ran just send 3 into the processor, you should have a left and right return instrument cables into the mixer for "stereo return" 3 (left and right). if your processor has 2 imputs, and you are using both "aux send" 3 and 4, then you will have to have a pair of cables going to each "stereo return" for 3 & 4. -to apply effects to a microphone(s), you would adjust the individual aux send levels for each channel you want to have effects, and you would have to ensure that the master aux sends and returns are also turned up..

ok, the snake is simple, each xlr (3 prong mic) connector on the snake is labeled, so, just plug each xlr jack into the corresponding channel on the board, and plug the first 2 1/4 inch ends of the snake into the "C/R out balanced" outputs on the board, located on the rear panel, up and to the left a bit.

at the stage end of the snake, ues a 1/4 inch instrument cable to copnnect the first 2 1/4 inch jacks on the snake to the left and right inputs of the crossover. then, from the crossover, connect the sub power amp to the "low" stereo outputs of the crossover with instrument cables, and connect the main speakers amp to the "high" stereo outputs of the crossover with instrument cables. if its an adjustable corssover, you will want to have it crossed over somewhere about 80-120 hz to allow only the lowest frequencies to the subs.

now, from the amps to the speakers, we ane going to have to use heavier 12-14 gague SPEAKER CABLES, instead of light gague instrument cables. hook the subs up to the stereo speaker outs of the sub amp with speaker cables, and do the same for the main speakers.

Nov 25, 2010 | Mackie 1604 Vlz3 16 Channel Mixer

1 Answer

Hi I have a mackie sr series 24.4.2.b bus miximg console in for repair,most of it is working except that the right channel output is misssing on on sub outputs 1 and 5 and 3 and 7,i do not think its...


Remember that the subs are each MONO outputs. They do not have stereo outs. They can be used as pairs like 1-2 for stereo and those should PAN with the pan control at each channel assigned to a sub.

For mono's, the left channel is the one used.

Refer to the signal flow diagram for the Mackie mixers to analyze this. It probably is on page 28 of your manual.

For the subs, you can pan AT THE CHANNELS ASSIGNED between for instance sub1 and sub2. Note these work together as odds and evens.

Jul 14, 2010 | Mackie 1604 Vlz3 16 Channel Mixer

1 Answer

I have a mackie cfx 12 mk11 mixer and have a faulty mains out channel(xlr & jack) right mains out is ok, has this mixer got micro electronics and can this problem be repaired by any technician


Yes, there are chips in the unit and any COMPETENT tech should be able to repair.

Since both the XLR and the jack are bad, this implies something more.

USUALLY Mackie drives the XLR and the unbalanced jack seperately so the problem would be what drives the unbalanced jack.

CHECK if you have output at the UTILITY left output jack. If you do, the driver chip for the left output main is the problem.

If you don't, the problem may back up farther into the EQ.

A LOT of troubleshooting can be done on these by using the block diagram in your manual showing signal paths.

Jan 25, 2010 | Mackie 1604 Vlz3 16 Channel Mixer

1 Answer

Older Cr 1604, powers up but no output, suddenly after gig.


The power supply is located in that area on one side. It is possible that one of the output op-amp ICs has failed. There are a number of 4558 ICs used as output buffers for this unit. Without seeing the unit and testing parts of it, I can't say for sure. These are not the easiest to work on as they are really compact. Where are you located? I may be able to suggest a service center in your area. The repair cost should not be too bad. The parts are cheap and readily available. Please update this with your location. Thanks, Dan

Jun 06, 2009 | Mackie 1604 Vlz3 16 Channel Mixer

1 Answer

Ch. 10 does not work - Mackie 1604-VLZ PRO


Yes, the ribbon cable is the 1st thing I would check. You can check the ribbon like this: Disconnect said cable from the channels. Connect cable connector from a known good channel to the problem channel. If channel sounds the same trace a signal through the channel op-amps.

May 26, 2009 | Mackie 1604 Vlz3 16 Channel Mixer

1 Answer

No volume control with 2 faders on Mackie CR1604 mixer


If all other functions work for those channels, the most likely problem is the fader itself. These can fail and operate more like switches rather than faders. Without witnessing the behavior, I can not state that for sure. While these mixers are not the hardest to work on, they are time consuming. The faders can be purchased from Mackie directly. If you need to have this repaired, any shop that repairs audio gear should be able to erpair this for you. Where are you located?

Dan

Feb 09, 2009 | Mackie 1604 Vlz3 16 Channel Mixer

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