ALLEN & HEATH XONE 92 Service Manual

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.
ECN 993

ALLEN & HEATH XONE 92 Specifications

General

Type	Analog
LFO	No
Record Output	RCA
Filters	2 VCF filters
Inputs	4 phono, 4 line, 2 mic
Outputs	Master, Booth, Record, Headphone
Aux Sends	2 aux sends
Mic Inputs	2
Master Output	XLR
Booth Output	1/4" Jack
Headphone Output	1/4" Jack and 3.5mm Jack
MIDI	MIDI out
Crossfader	VCA crossfader
Effects	No built-in effects
Power Supply	Internal
Dimensions	320mm x 358mm x 88mm