Question about Shure Beta 87A Professional Microphone

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Access switches Someone pushed the switches in so they are not workable. I need to find out how to remove the printed circuit board and see how to put the switches back where they belong. I have the unit printed circuit board in view and have removed the locking ring. Our mic is the Shure Beta 87.

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  • darmar61 Jan 13, 2009

    Please disregard my question. I have the unit apart and I have a solution for the problem.

  • Rick Sep 13, 2010

    The Beta 87A is just the cartridge on the top. What is the model number of the handheld transmitter? The model number will be on a sticker inside the battery compartment.

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I assume you have a wireless mic. Disassembly is dependent on the model of the wireless. However, typically, you would pop off the switches and then remove the C ring that is under the cartridge.

Posted on Oct 29, 2010

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First, unscrew the cartridge from the top. The round circuit board on top of the transmitter has a cutout on the switch side. Slide a screwdriver through that cutout and pop out the bezel the surrounds the switch. Remove the spring clip that is around the round circuit board and slide out the circuit board.

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Remove the switches. Remove the caspule. Remove the C Clip that was under the capsule and the circuit board slide outs.

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Your circuit board could be bad, but i would pull out the circuit board and spray contact cleaner onto the button, let it dry a few minutes and connect the battery and press that button quiet a few times and see if that fixes the problem.

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I am trying to open up a Shure PG58 wireless microphone in order to repair its on/off switch. Can anyone help, please?Type your problem for a solution...


No, do NOT pry things off or damage the casing like these guys said, first, unscrew the the collar right under the mic head, the head will come off with the collar, then uscrew your battery access cartridge, remove the battery, look on the opposite side of where your on/off switch is there is a small black philips head screw, remove this screw, then push on the positive and negative contacts that your battery plugs in to and this will slide out of the hand held cartridge, and that is your circuit board, the on/off button is on that circuit board. get you some contact cleaner spray and spray a little on that button, let it dry for a few minutes and then plug your battery into the end of that circuit board and push that button in and out quiet a few times and it should start working properly for you, did for me.

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1 Answer

On/off switch is flaky. After a period of not being reliable, it now won't turn on. I've opened up the plastic and I can get the inside capsule loose, but it won't slide out... it's blocked by plastic...


Pop off the bezel that surrounds the switch actuator. Once you do that, the switch actuator will fall our in your hands. Remove the C-clip at the top of the microphone and the circuit board can be slid out the top.

The actuator moves the actual switch. So, if you are having problems with the actual switch, then you will need to replace it. Replacement parts can be ordered from Shure Parts at 800-516-2525.

It might cost less and be easier to simply send the microphone to Shure for repairs.

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My Shure T2 has a damaged + terminal for the battery. How do I disassemble the transmitter unit to access the battery terminals for replacement?


1) Pop off the switch actuators.
2) Remove the cartridge on top.
3) Remove the c-clip that holds the circuit board int the handle (this is where the cartridge used to be)
4) Slide out the circuit board.

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I need to learn how to disassemble this mic. Please tell me how to take it apart. Thanks


On the LX2, follow these instructions:

1) unscrew the microphone cartridge
2) Pop off the switch actuators
3) remove the C clip that was under the mic cartridge
4) The circuit board slides out the top.

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How do i take a shure ur2 apart to replace the switch?


There is a bezel around the switch. You'll need to remove the bezel and then the switch will fall off in your hand. At that point, you can remove the dome cover that covers the antenna. If you need to access the circuit boards, you'll need to remove the C-clip at the top of the transmitter and slide the boards out the top.

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How do i take a shure ur2 apart to replace the switch?


It is very easy to damage the element in these, and it is expensive to replace.

Look for guts to come out the bottom end. I can't imagine why you would be changing the circuit board, How do you know there is a problem with the circuit board?

Some of these have a label over the switch that has screws underneath. When replacing the element they give you new labels as one destroys them when you remove the label to get at the screws underneath.

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How do I disassemble a Nady UH-4 microphone to repair a broken battery connection terminal?


--Carefully pry the bezel around the on/off switch off and remove the LED and switch button--note the orientation of the LED. If you reverse it it won't work. The bezel has clips at both ends. Prying up in the center by inserting a screwdriver in front of the switch will allow you to insert a second screwdriver along the side of the bezel. Do this on both sides and it will pop off.

--Unscrew the battery cap and remove the battery.

--Unscrew the wire mesh cap.

--Pull the mic cartridge out. The rubber mount slips in and was glued.

--Unscrew the ring with the UH4 logo. If you unscrew this ring before pulling the mic cartridge out it will twist off the mic cartridge wires.

--Slide the circuit board out of the handle by pushing up on the battery holder.

--Reverse procedure to reassemble.

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