ALLEN&HEATH MixWizard Series WZ14:4:2+ SYS-LINK EXPANDER OPTION This option connects a MixWizard WZ14:4:2+ as a channel expander to a second A&H console already fitted with SYS-LINK with just one or two interconnecting cables. Kit Part No: W21442-SL1 Single option to install SYS-LINK to one MixWizard WZ14:4:2+ unit to allow interconnection to a second console already fitted with SYS-LINK. Interconnecting cables not supplied.
FITTING THE SYS-LINK EXPANDER OPTION n CHECK THE CONTENTS : Please carefully check the SYS-LINK circuit board assembly is the correct one for the console in which it is to be installed. D type connector fixings already fitted. 4 x AB2189 Ribbon A Ribbon B BLACK 16/0.2 70MM INPUT RED 16/0.2 70MM 1m length of Green 32/0.2 wire. Screw Terminals at each end.
p REMOVING THE REAR COVERS Before beginning any service work, remove all power to the unit and disconnect any signal cables where necessary. The rotating connector module must be set for desk top operation to gain access to the cover. Ensure adequate lighting and use the correct tools. Working from the front of the mixer remove screws and nuts (A) fixing the base cover to the front panel. A fig.
q FITTING THE SYS-LINK CIRCUIT BOARD ASSEMBLY Locate Stereo input 13-14 circuit board assembly and Group 1 circuit board assembly. Referring to fig.4 fit 2 x foam strips in between Stereo input 13-14 and Group 1 circuit boards. Remove the IDC harness from the Right PCB all the way to Stereo input 13-14 PCB. Cut the TC buss wire 5mm from the component side of the Stereo input 13-14 circuit board assembly and bend the TC buss wire vertically.
GROUP 1 GROUP 2 P21 Blue P21 Blue GROUP 4 SYS-LINK WIRING HARNESS P20 Red GROUP 3 P20 P21 Yellow Pink P20 P21 Yellow Pink P13 Blue P12 Red P10 Yellow RIGHT P1 Grey LEFT P20 Red P11 Pink fig.
t SOLDERING THE SYS-LINK CIRCUIT BOARD ASSEMBLY: Bend the cut vertical TC buss wire back down and resolder. Buss wire SYS-LINK circuit board Foam Strip Lift the SYS-LINK circuit board assembly and locate the Earth TC buss wire into the slot on the circuit board. Make sure the SYS-LINK circuit board assembly is located centrally between the Stereo input circuit board and the Group circuit board assemblies resting on the 2 foam strips.
u FITTING THE SYS-LINK CONNECTORS TO THE REAR PANEL To fit the two SYS-LINK D type connectors to the rear panel of the connector module it will be necessary to partially remove the the connector circuit board assembly from the rear panel. Working from the rear of the console remove screws (A) fixing the XLR and phono connectors to the panel and using a 12mm Nutdriver or pliers, remove jack nuts (B). SYS-LINK blanking panel B B B B A A B A B fig.
Refering to fig. 1 & fig. 9, remove the two screws fixing the blanking panel in place and fit the two SYS-LINK connectors. Check the connectors are fitted into the correct holes. Fit the 32/0.2 Green wire to the panel using the M3 x 12 screw provided as shown below. 1 Metre Green 32/0.2 wire Ribbon A INPUT Ribbon B OUTPUT B INPUT B OUTPUT B B A A B A B fig. 9 Refering to fig. 10, place the 2 SYS-LINK ribbon harnesses so that they locate in the slots in the base.
When all installation work is complete, remove all debris such as solder, component legs and wire clippings from inside the console and check your work carefully before reassembly. v REFIT THE BASE : C ER OV C OR CT E NN CO B SE BA fig. 11 Refit the base and connector cover, taking care not to pinch or damage the flat flexible cables. Turn the console the correct way up.
