mute function on NJW1150? - diyAudio
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Old 22nd December 2008, 06:42 PM   #1
diyAudio Member
Join Date: Dec 2008
Default mute function on NJW1150?

I've been taking apart my z-5300 speakers for about a week now, it's been a learning experience. I am trying to power them up without the remote. Anyway, I looked up one of the chips on the board and found it to be NJW1150, a 6-channel electronic volume circuit. Unfortunately, about half way in, page 10/18, it says "On power up, the master volume mute is activated". Could someone tell me how to switch the mute off? Thanks.
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Old 21st February 2011, 08:37 PM   #2
ceteras is offline ceteras  Romania
diyAudio Member
Join Date: May 2010
For all those who might want to know the answer: you switch the mute off by setting the 08H register value to "00H", by I2c.
This is described in the datasheet a couple of pages further on.
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