ALLEN & HEATH SQ User manual

SQ Service Guide
DISTRIBUTOR USE ONLY!

Warranty
The Allen & Heath warranty policy is as follows:
If the unit fails within 30 days of receipt by the distributor, then A&H will offer a parts for repair. If
the unit is DOA, then A&H will offer a replacement unit.
If the unit fails within 12 months of purchase by the end user, then A&H will offer parts free of
charge for repair by the distributor.
Component level repairs are not advised and are not supported on units within warranty.
For warranty enquiries, please contact [e-mail] with the serial number, date of
purchase and required part number.
For part orders for spares stock and out of warranty repairs please contact our spares administrator
[e-mail]

SQ Disassembly

Bottom Panel
Remove fixings from the bottom panel to access the inside of the unit.

Fans
Fold the bottom panel back and unclip the fan connections to remove the bottom panel

12v Fader Motor Supply
A separate power supply to the fader board is dedicated for the fader motors.
This 12 volt supply is regulated down to 5 volts on the fader board.

Fader PCB
Each fader has a dedicated wire form and can be removed individually, when replacing a fader, the PCB screws
must be removed.
When testing an issue with a fader, the wire form for the faulty fader can be swapped with an adjacent fader to
test if the PCB or motor is at fault – This does not require the fader to be removed from the unit.

Fader Wiring
When replacing a fader motor, the wire form should be reused from the old fader unless
a new wire form is requested.
Below is a reference for the wire connections when changing a fader motor.

Screen Connection
The TFT screen has two separate connections to the CPU on SQ, the thin cable (left) is for touch,
and the larger (right) cable is for display.
The back panel will need to be removed for access to the Screen, CPU PCB and Surface PCB.

Screen Mounting
The screen is mounted underneath the CPU PCB. When replacing a screen, the
mounting PCB and Bezel should be reused.
Please note: The adhesive pad protectors on the back of the screen should
not be removed. The screen should not be stuck to the mounting PCB.