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Document revision 1.1 – Last modification : 01/05/14
EQ573 Assembly guide – Switches board
19. Pin header
This part requires some care and you will need a good soldering iron
with a thin tip.
Insert the 2x40 pins header, straight pins forward from the solder
side, as shown on the diagram. Make sure it sits perfectly flat on the
PCB. Solder 2 extreme pins and adjust the position if needed. Solder
one more pin around the centre, while pressing it down on the PCB.
Now solder all the pins on the external row. Cut the soldered pins
flush, in order to get access to the second row. Solder the second
row then cut the pins flush.
Warning
: The position of the header is very important to the final assembly. Do not overheat when
soldering because if the black plastic base melts, the pins are no longer held in position.
EQ573 Assembly guide – Potentiometers board
20. CN2 Connector
Solder the 3 pins header in the 3 right holes (circled in red
on the picture). The plastic tab is on the left. Solder one
pin first, check position then solder the other pins.
21. Connector
Solder the 2x8 pins header. Solder one pin first, check position then solder the other pins.
22. Potentiometers
Add P1 and P3 (10KA). Insert the potentiometers into the PCB holes from the components side, making
sure the pins fit into the corresponding PCB pads. Attach with washer and nut on the solder side, then
solder.
Add P2 (47KA) in the same way.
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