ALLEN & HEATH SQ-5 Service Manual
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- Reference manual (115 pages)
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Summary of Contents for ALLEN & HEATH SQ-5
- Page 1 SERVICE MANUAL ISSUE 2.5 DISTRIBUTOR USE ONLY Copyright © 2022 Allen & Heath. All rights reserved . ALLEN&HEATH Allen & Heath Limited, Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK https://www.allen-heath.com...
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Page 2: Table Of Contents
Contents Notices ..................................3 Legal Notice ................................3 Servicing precautions General Notes........................3 Parts Identification ............................... 5 Parts List ................................... 5 Circuit Board Layout ..............................9 Wire layout ................................10 Circuit Board Identification ............................. 12 Servicing Information ..............................23 Hot Melt Glue ................................. 23 Important Information ............................ - Page 3 Fader Motor Test Points ............................36 Disassembly Procedure .............................. 37 Bottom Panel ................................37 Fans ..................................38 Back Panel ................................39 12v Fader Motor Supply ............................40 Fader PCB ................................41 Fader Wiring ................................41 Screen Connection ..............................42 Screen Mounting ..............................42 LCD Mounting .................................
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Page 4: Notices
Notices Notices Legal Notice Allen & Heath retains ownership of all intellectual property in this document. The information and materials presented in this document are provided as an information source only. While every effort has been made to ensure the accuracy and completeness of the information, no guarantee is given, nor responsibility taken by Allen &... - Page 5 Notices equipment mains fuse with the correct type and rating as marked on the equipment panel. Static Discharge: Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated before commencing servicing. Opening the unit: Switch off and remove the mains power cord before opening the equipment. Ensure all power supply covers and safety shields are in place before applying power with the unit open for diagnostic fault finding.
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Page 6: Parts Identification
Parts Identification Parts Identification Parts List Chassis Part Number Description AA12145 (Prev AA11058) Rear Panel Metalwork AA11056 Front Panel Metalwork AA11057 Base Panel Metalwork AA11051-L Left Side Panel - Metal AA11051-R Right Side Panel - Metal AA11052-L Left Side Trim - Plastic AA11052-R Right Side Trim - Plastic AA11055... - Page 7 IDC WFM SQ CPU-NET CPU (AG10820) to Network (AG10938) AL11108 IDC WFM SQ AUDIO IN-HP Audio Input (AG12560) to Headphone (AG11069) AL11105 IDC WFM SQ-5 SURF-CH Surface (AG10996) to Channel (AG10992) AL11111 WFMA SQ FADER Fader Wire Form Part Number Description...
- Page 8 Parts Identification 004-1650KITX AA11055 AJ9844 AJ10265 AB8172 AJ9842 KIT SQ TFT LCD bezel Encoder knob D-SHIFT Knob Pot Nut Fader knob (AE11026) QTY: 9 QTY: 1 QTY: 10 QTY: 17 AA12145 AA11056 Rear Panel Front Panel Metalwork Metalwork 004-994 AA11057 60x60mm Fan Base Panel Assembly (single)
- Page 9 Parts Identification AA11054 AB6571 SQ I/O blank plate AC Cable Clamp AA11059 Light bar metalwork AA11176 Light bar lens 004-935 SQ5 LED UV/WH AA11027 Key Mat Channel QTY: 4 AA11029 Key Mat Lower Section AK6915 20X8 feet QTY: 4 AA11028 Key Mat Top Section...
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Page 10: Circuit Board Layout
Parts Identification Circuit Board Layout 1.- CPU Board - AG10820 - 004-1504-5 6.- Channel Board Extension (Mix select 5 to 12 keys) - AG10992 - 004-931 2.- DSP FX AG12853 - 004-1487 3.- Surface - AG10996 - 004-932 7.- Channel Board Extension (Layers & Copy-Paste keys) - AG10992 - 004-931 4.- Channel Board - AG10992 - 004-931 5.- Fader Strip - AG10762 - 004-900... -
Page 11: Wire Layout
Parts Identification Wire layout 8.- FAN (Wire as part of assembly) 1.- 12v from DC-DC to Fader strip - AL11103 9.- FAN (Wire as part of assembly) 2.- Fader to Faders strip - AL11111 10.- LED light panel 3.- From Channels to Surface - AL11105 11.- From Audio input board 4.- From CPU to Faders strip - AL11104 12.- Screen TFT (Wire as part of... - Page 12 Parts Identification Audio Output Audio Inputs AG12564 AG12560 Connector Board Previously AG11018 Previously AG10963 AG10962 004-1350 004-1346 004-919 AM11253 Mains Inlet AG10965 004-922 CN2 of Mains Inlet to CN1 of PSU CN1 of PSU to DC-DC Connector board to CN2 of PSU DC - DC AG10964 004-921...
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Page 13: Circuit Board Identification
Parts Identification Circuit Board Identification Part Number AM11253 Description SQ5 PSU AG10965 Part Number 004-922 Description SQ Mains Inlet Push BTN Mains IEC AJ2887 AL3458... - Page 14 Parts Identification AG10964 Part Number 004-921 Description SQ DC-DC AG10938 Part Number 004-918 Description SQ Network...
- Page 15 Parts Identification AG11069 Part Number 004-1643 ( Previously 004-934 Description SQ Headphones Pot 14MM 203k AI8007 Jack SKT ST AL6893 Jack SKT 3.5MM ST AL5323 AG10816 Part Number AE10814 Description SQ LCD 4 Way...
- Page 16 Parts Identification AG12560 (Previously AG10963) Part Number 004-1346 (Previously 004-920) Description SQ5 Audio Input Information at the servicing section before fitting this part...
- Page 17 Parts Identification AG12564 (Previously AG11018) Part Number 004-1350 (Previously 004-933) Description SQ5 Audio Output Information section before fitting this part...
- Page 18 Parts Identification AG10962 Part Number 004-919 Description SQ5 Connector...
- Page 19 Parts Identification AG10992 Part Number 004-931 Description SQ5 Channel...
- Page 20 Parts Identification Fader Part Number Fader Motor 004-1794X Wire form AL11111 AG10762 Part Number 004-900 Description SQ5 17 Fader...
- Page 21 Parts Identification AG10996 Part Number 004-932 Description SQ5 Surface Encod Illum AI9645 QTY 9...
- Page 22 Parts Identification AG10820 Part Number 004-1504-5 (Previously 004-1045) Description SQ5 CPU Information section before fitting this part...
- Page 23 Parts Identification AG12853 (Previously AG10928) Part Number 004-1487 (Previously 004-902) Description SQ DSP FX Type 2 Information section before fitting this part...
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Page 24: Servicing Information
Servicing Information Servicing Information Hot Melt Glue Some connectors and wireforms/harnesses may be held in place with hot melt glue. You will need 99% Isopropyl Alcohol (propan-2-ol) to remove it. Follow these steps: Apply a small amount of 99% Isopropyl Alcohol to a swab and apply it to the edges of the glue Leave it for 20 seconds and then pick off the glue by hand or by using a tool that is of low risk to cause damage. -
Page 25: Updating Firmware
Updating firmware Firmware is available from the Allen & Heath website under the Software tab: SQ-5 | Allen & Heath (allen-heath.com) It should be installed via a USB drive on the desk. Go to Utility > USB Utility > Firmware Update to install new firmware and view the current firmware version. -
Page 26: User Settings Reset
Servicing Information User Settings Reset This procedure resets settings for all users. (Settings to be reset include Scenes selection and Passwords) Kindly be advised that this information is confidential and should be treated with discretion, as it could enable non admin users to gain admin access. Avoid publishing this information online and share with users only in extreme cases. -
Page 27: Tb1804 Unresponsive Keys Issue
Servicing Information TB1804 Unresponsive Keys Issue Refer to TB1804 for more information SQ Key Mat Channel AA11027 SQ Key Mat Top Section AA11028 SQ Key Mat Lower Section AA11029 SQ Key Mat Soft Rotary AA11030 Contact support@allen-heath.com with the affected serial number... -
Page 28: Tb1901 Add-On Transfers
Servicing Information TB1901 Add-on Transfers In case of the following: Replacing the CPU board Transferring the CPU board Replacing the entire unit Contact support@allen-heath.com for the Add-on Tracking and Transfer form. Refer to TB1901 For more information TB1801 Fader Fixings In rare cases, the top and bottom fixings will show movement when the fader is moved, though the fixing is fully tightened. -
Page 29: Recn 4984
Servicing Information RECN 4984 New AE12847 FPGA LFE5U-25F-6MG285C having to replace AE9856 FPGA (XILINX) This change Spare parts will be supplied with as 004-1487 DSP FX Module Type 2 AG12853 / Part number: 004-1487 replaces DSP FX AG10928 / Part number: 004- Important note: Firmware V1.5.6 or greater required for new 004-1487 PCBA SQ DSP FX MODULE TYPE2 Refer to RECN 4984 For more information... -
Page 30: 004-1696Kitx
Servicing Information 004-1696KITX LCD TFT gets fitted on break off PCB belonging to the Surface PCB as shown here: Kindly note that this Break Off part should not be scrapped or thrown away during service. However, in the case of missing this part, a spare part can be supplied under part number: 004-1696KIT... -
Page 31: Tb2312 Bootloader Update
Servicing Information TB2312 Bootloader Update A number of SQ units manufactured in December 2022, may incorrectly flag their installed Firmware as corrupt during boot. Intermittent: The frequency of this occurring can be anywhere from 1/5 boots to 1/500 boots or less. The issue presents as an SQ that boots directly into the forced firmware update state, with a blank screen and 4 select LEDs on channel strips 9-12 that scroll from left to right. -
Page 32: Sq Faders Cold Joint
Servicing Information SQ Faders Cold Joint SQ units presenting the following symptoms: Slamming: Faders hitting the Top or Bottom edges. Ghost movements: Movements of the fader without the user touching them. Fader Unresponsive: Fader not moving at all Are likely to be caused by a cold joint of solder between the Fader Wireform and the Fader Motor. We kindly request for the service technician performing service on the unit, to identify the symptom and proceed as follows: Check the soldering of the Wireform vs the Motor... -
Page 33: Diagnostics
Servicing Information Diagnostics -FX board and I/O cards to help monitor and active. The Blue LED on the rear of the unit should be static. Also supplied are routing overviews for Power Distribution and Control/Audio routing. Use these to identify... -
Page 34: Cpu Leds
Servicing Information CPU LEDs LD6 = ALIVE 0 = USB LD1 = +3V3 Power for TFT Screen. Yellow LED, Yellow LED, Displays heartbeat pattern. On Solid = Power Good LD7 = Debug 0 = High Speed Link (HSL) LD2 = +1V0 Error Red LED. between CPU, DSP FX and IO Card. -
Page 35: Dsp Fx Leds
Servicing Information DSP FX LEDs LD1B = DSP Program indicator Yellow LED (U16A & U16B) On Solid = DSP Programmed LD2 = DSP Program indicator Yellow LED On Solid = DSP Programmed LD3 = Link OK = HSL status Green LED. On Solid = Link OK LD4 = ERROR = HSL Error indicator Red LED. -
Page 36: Fader Board Leds
Servicing Information Fader Board LEDs LD1 = +3V3 rail Yellow LED. On Solid = Good LD2 = +5V Fader Motor power good indicator Green LED. On Solid = Power Good LD4 = Active = Processor Active Yellow LED. Displays heartbeat pattern. The processor is powered by the +3V3 rail, if this LED is off, there is likely an issue with the +3V3 rail. -
Page 37: Fader Motor Test Points
Servicing Information Fader Motor Test Points Test between CN3 pin and LK6 pad. -
Page 38: Disassembly Procedure
Disassembly Procedure Disassembly Procedure Bottom Panel... -
Page 39: Fans
Disassembly Procedure Fans... -
Page 40: Back Panel
Disassembly Procedure Back Panel Network AG10938 004-918 Removing Back Panel Disconnect fader strip from power supply Disconnect short USB cable Disconnect ribbon cable from Audio Inputs board Disconnect side ribbon cable from Network board Disconnect side ribbon cable from Phones board Disconnect two ethernet cables from Network board... -
Page 41: 12V Fader Motor Supply
Disassembly Procedure 12v Fader Motor Supply... -
Page 42: Fader Pcb
Disassembly Procedure Fader PCB Fader Wiring... -
Page 43: Screen Connection
Disassembly Procedure Screen Connection After connecting LCD TFT apply hot melted glue to each connector in the areas marked to secure connectors. Screen Mounting Remove the back panel of the screen assembly by pressing the black locks of the sides. -
Page 44: Lcd Mounting
Disassembly Procedure LCD Mounting LCD Bezel... -
Page 45: Power Distribution
Power Distribution Power Distribution 12v supply for motors from DC-DC From PSU to Fader Board CN3 = +12v & Ground CPU distributes power Pin 1 = +12v - Pins 7, 9, 11 and 13 = +3v3 3v3 supply for fader logic from CPU - From CPU CN18 to Fader Board CN5: From CPU CN15 to Network Pins 1 &... -
Page 46: Routing Overview
Routing Overview Routing Overview... -
Page 47: Lcd Screen Overview
LCD Screen Overview LCD Screen Overview = Power = Text Control = Backlight Control 4Ch LCD 4Ch LCD 4Ch LCD 4Ch LCD 4Ch LCD 4Ch LCD 4Ch LCD 4Ch LCD AE10814 AE10814 AE10814 AE10814 AE10814 AE10814 AE10814 AE10814 Channel AG10992 Layer Side Mix Side... -
Page 48: Other Technical Information
Other Technical Information Other Technical Information Block Diagram Specifications Weights & Dimensions All of this information is available to end users and can be found at the following location: SQ - Allen & Heath (allen-heath.com) For further information please contact Allen&Heath Product Support Product Support - Allen &...
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