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 Post subject: K8095 - Sound issues
PostPosted: Sun Mar 05, 2017 7:50 pm 
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Joined: Sun Mar 05, 2017 7:43 pm
Posts: 1
Dear support,

I experience the following issues with my kit and hope you could help me with your wisdom ;)
- The speaker volume does not change when I connect headphones. This is odd, as I would expect the speakers are turned off when headphones are connected - as it happens in most other players.
- When pushing the volume up or down buttons, a klicking / scratching sound is hearable. It's not a big deal, but it is a bit annoying.

Another question:
- As I'd like to connect another display: What kind of cable is necessary for the on-board display connector?

Cheers, Andreas


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 Post subject: Re: K8095 - Sound issues
PostPosted: Mon Mar 06, 2017 11:29 am 
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Velleman Support
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Joined: Mon Dec 11, 2006 12:03 pm
Posts: 4897
Location: Belgium
Thank you for the feedback.
Quote:
- The speaker volume does not change when I connect headphones. This is odd, as I would expect the speakers are turned off when headphones are connected - as it happens in most other players
This is because there is used resistor voltage divider to attenuate the speaker signal for the headphone output. So a simple switch-over is not possible in the headphone socket.
Quote:
- When pushing the volume up or down buttons, a klicking / scratching sound is hearable. It's not a big deal, but it is a bit annoying.
Indeed, there is this minor click sound. I'm sorry, this seems to be a feature of the audio codec and can't be avoided.

Quote:
Another question:
- As I'd like to connect another display: What kind of cable is necessary for the on-board display connector?
Here are some examples of such cable: http://www.molex.com/molex/products/listview.jsp?query=&offset=40&npp=20&sType=a&fs=&channel=products&autoNav=&path=+inmeta%3Acategory%3DCable+inmeta%3Apitchterminationinterface%3D1%25252E00mm&Itemlist=


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