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Document revision 1.1 – Last modification : 27/05/21
EQ573-II Assembly guide – Switches board
22. 12 positions Rotary switch
Add the 12 positions rotary switch SW6.
Warning
: The position of the switches is critical for a good front-plate matching and a smooth
potentiometer rotation. The switch rests on 3 small feet that must sit perfectly flat on the PCB. Press
the switch on the PCB and solder two opposed pins. Check position then solder the other pins.
23. 6 positions rotary switches
Select the switch with the longest shaft (20 mm) and add it in SW1.
Next, add SW3 and SW4 (15mm shaft).
Warning
: Do not mix the 20mm and 15mm shaft rotary switches
24. Toggle switches
Add the toggle switch SW2.
Warning
: The position of the switches is critical for a good front-plate matching. It must sit flat on the
PCB. Press firmly the switch on the PCB and solder two opposite pins (housing). Check position then
solder the other pins.
25. Connectors J3b, J4b, J5b, J6b
Solder the two 2x10 and two 2x5 female connectors on the back of the PCB, inserted from the solder
side.
Warning
: Be very careful not to touch any other component with your iron tip while soldering.
26. Spacers
Insert three M2.5x25mm male/female spacers from the solder side
of the PCB and attach with three M2.5x15mm spacers.
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