HP45 controller V1.01 assembly guide
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Page 11
Assembly
With the warnings out of the way, all parts gathered and the soldering iron heated, it is time to start
assembling the controller.
1:
The first step is to separate the 2 halves of the PCB. There is no scoring in the PCB, but there is a
line where the PCB roughly needs to be cut. On this line the PCB can be cut with a knife, thin metal
saw or Dremel with narrow cutting disc. As long as no traces are damaged with the cutting, it does
not matter where you cut the board. When you have cut the boards, there are 2 sides. The primitive
side and the address side. When this guide mentions up or front, it means with the primtive and
address side text facing up. Down or back is the opposing side.
(Note: in future versions, the boards will come in 2 pre-cut sections. The first batch does not have
this)
2:
Solder the TLC59213
(IC1)
on the front of the primitive side, with the marking facing towards the
26 pin boxed header connector. Be aware that the TLC has fine spacing and is difficult to solder by
hand.
3:
Solder the TLC59213
(IC2)
on the back of the primitive side, with the marking facing the IC2 text.
Be aware that the TLC has fine spacing and is difficult to solder by hand.
4:
Solder the SIRA12DP-T1-GE3
(IC3)
mosfet on the front of the primitive side with the marking
facing the 26 pin boxed header. The pins on the SIRA are hard to reach with the solder, and require a
bit of heat before the solder sticks to it.
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