Question about Sony ECM-77 Professional Microphone

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Battery change Please can you tell me how to change the battery on the ECM - 77B thank you

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Re: battery change

The battery is housed in the xlr adaptor DC-78. You may need to unscrew the barrell about the outside of it to replace the batt.

Or alternatively use phantom power to run up the mic(this is easiest

. Be sure to connect it to a channel that is phantom power optioned

Here is the spec sheets for it with details of the adaptor you need and battery type required.

Good luck

Posted on Jan 27, 2008

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How to change battery of Sony microphone

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here you go the manual for the microphone

if that dont work ill try and explain it

where the cable goes into the microphone turn it anticlockwise

pull the case the grip of the microphone down towards the cable

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Jan 06, 2010 | Sony ECM-77 Professional Microphone

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Hi, I bought a sony ecm mic brand new, but whenever i switch it on, the red light comes on for a fraction of a second and then goes off, and i cannot record with it. This is despite trying many new...

Ah, yes.
If you look in the manual you'll find that the mic is supposed to do this.
If the LED does not blink when you switch on then you have a flat battery, otherwise it shouldn't stay lit.
The manual is available here in PDF format:
I hope this helps.
psibernaut >;-)

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Download Instruction Manual of ECM-HGZ1 from Sony Support.
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Should the light come on!?

Hi timtak

The light should come on momentarily when you turn the mic on, and then go out. If it remains dimly lit, or does not come on at all, then the battery needs to be replaced. The way the light responds is supposed to indicate the condition of the battery for you, unless it is so depleted that there is not enough juice left to light the LED. You can read up about this in the user manual here if you want:) A FixYa is a great reward for sorting this out for yah. Cheers


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Low Audio Level

I found this happens with a bad capsule.

On the end of the wire you have the microphone capsule. If I remember correctly, the capsule can be unscrewed from the microphone amplifier case assembly. This part can be ordered from a supplier for Sony professional parts.

I have also had the wire go defective, and need replacement. With most of these models, the complete capsule assembly has to be replaced along with the new wire.

If you are not used to servicing this type of microphone, Sony has service reps that can service and test the microphone for you.

Jerry G.

Aug 10, 2008 | Sony ECM-77 Professional Microphone

1 Answer

Problem recording in stereo

Most likely you have a problem with the MIC. Has this ever worked with this unit? If not maybe the un it is not compadable with this Mic. The instuctions and specs are available for download Here Good luck

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