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FiiO E12DIY Limited Edition Version---DIY your own sound ! - Page 107

post #1591 of 1983
I've a "problem"

When there's no music playing, or nothing connected to the E12DIY, i can hear a very slight bit of "white noise" on the right channel.

I've switched buffers for each channel, but it's still only the right channel that does this.

Also, there's a metal plate in front of the potmeter that's supposed to be soldered in a hole, but it isn't. Could this give the problems? (See photo)

post #1592 of 1983

Don't think the metal plate has anything to do with it. It might not be in the hole but it is connected no less.

post #1593 of 1983
Quote:
Originally Posted by ClieOS View Post

Don't think the metal plate has anything to do with it. It might not be in the hole but it is connected no less.

The photo doesn't show it, but it's not soldered to the PCB as of now. Once i found my soldering iron, i'll solder it back on the PCB. As for the noise, i think it might be one of the silmic capacitors. I have a 3rd one, and will see if this fixes it.
post #1594 of 1983

Still I don't think an insignificant passive metal plate will cause noise. Must be something else at play here.

post #1595 of 1983
Quote:
Originally Posted by ClieOS View Post
 

Still I don't think an insignificant passive metal plate will cause noise. Must be something else at play here.

I'm thinking that if it is there to ground the pot, and it is not making electrical contact with ground, then it may not be preventing noise, rather than causing it...  but not all that likely.

post #1596 of 1983
Quote:
Originally Posted by fzman View Post
 

I'm thinking that if it is there to ground the pot, and it is not making electrical contact with ground, then it may not be preventing noise, rather than causing it...  but not all that likely.

 

Well, if the noise comes (or gone) only when you are touching the pot, then it is a sign that it is not grounded properly. But given it doesn't seems to be the case, and the fact that the PCB is already grounded to the housing, I doubt it is of any significant.

post #1597 of 1983
Quote:
Originally Posted by ClieOS View Post
 

 

Well, if the noise comes (or gone) only when you are touching the pot, then it is a sign that it is not grounded properly. But given it doesn't seems to be the case, and the fact that the PCB is already grounded to the housing, I doubt it is of any significant.

agreed - also not likely given that it's only one channel - I wonder why that plate is there...

post #1598 of 1983
I think the plate acts as a shield, or indeed as grounding for the potmeter. We'll see soon enough.
post #1599 of 1983
It now seems not to originate from the E12 at all, but from my IEMs. Depending on how i hold my left IEM, there's a buzz/hum in my right one.

Time to get the warranty checked.
post #1600 of 1983
Quote:
Originally Posted by CH23 View Post

It now seems not to originate from the E12 at all, but from my IEMs. Depending on how i hold my left IEM, there's a buzz/hum in my right one.

Time to get the warranty checked.

 

Detachable cables? Maybe your IEM and cable contacts need cleaning

post #1601 of 1983
Quote:
Originally Posted by Loquah View Post

Detachable cables? Maybe your IEM and cable contacts need cleaning

They aren't supposed to be detachable :P
post #1602 of 1983
I have the e-12... is the e-12diy alot better in sound quality. X5. X3. He-400 grado60
post #1603 of 1983
I have the e-12... is the e-12diy alot better in sound quality. X5. X3. He-400 grado60
post #1604 of 1983

? they are not the same products. no DIY, so it's a relative question you ask. 

post #1605 of 1983
Not sure what u mean.... but the question is.. I have the fiio e12.... is the e12diy model a big upgrade from the basic e12...
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