Low input sensitivity

Moderator: flatmax

vanmanda
Posts: 8
Joined: Tue Apr 25, 2017 7:24 am

Re: Low input sensitivity

Post by vanmanda » Tue Nov 28, 2017 8:42 am

Hi,

just to let you guys know that I did short R6 and R7 and this indeed made the inputlevel much stronger.
I found it almost impossible to remove the resistors as they are to small. I shorted it by soldering a short piece of cable on the back of the print.

robiwan
Posts: 59
Joined: Wed Jul 05, 2017 1:18 am

Re: Low input sensitivity

Post by robiwan » Tue Nov 28, 2017 6:07 pm

Thanks! Could you put up a picture of which points you patched on the PCB ? I agree it must be easier than shorting R6/R7 directly.

nls
Posts: 4
Joined: Tue Oct 03, 2017 1:35 am

Re: Low input sensitivity

Post by nls » Tue Dec 05, 2017 2:30 am

Is there a schematic somewhere which shows R6 and R7? If they form a voltage divider, it seems odd that both need to be shorted, typically the series resistor gets shorted and the other one needs to be opened. Unless they are both in series with the input signal.

robiwan
Posts: 59
Joined: Wed Jul 05, 2017 1:18 am

Re: Low input sensitivity

Post by robiwan » Tue Dec 05, 2017 2:36 am

They are for left and right respectively, that's why both need to be shorted.

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