XONE:92 Filter value change + diode addition
ECN No: 993
Assembly No(s): 003-138 & 003-143 iss.1 & 003-141 iss.1
Date: March 3
rd
2004
Reason: To prevent the filters becoming unstable when all channels
are assigned to the crossfader, with filters to crossfader
selected, crossfader response on max and resonance on
max.
Details of change:
On filter 1 and 2 (AG5300 issue 1) resistor R55 needs to change from 27K to 39K
On the slave card (AG5303) a diode (AE3914) needs to be soldered from pin 12
to ground on both connectors CN10 and CN12
This change was applied to issue 1 PCBs from serial no. 060507 until the
introduction of the issue 2 Filter PCBs.
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