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Helix Main Board
Assembly and Setup Manual
5
Comments, Questions or Concerns contact the developer at:
Initial Assembly of the Main Board
The initial assembly of the main board will consist of soldering all of the major components to the PCB, starting with
the components that have the lowest profile and finishing with the ones with the highest profile. Two methods of
assembly are presented in this manual. This first is a table with the step-by-step instructions and associated notes.
The second is a series of pictures of the main board’s silk screen with arrows and notes pointing to each step. Each
method shares the same notes and pictures. Use whichever method works best for you.
Step-by-Step Instructions (Table 1 of 3)
Step
Done
Ref Number
Value
Note
1
XTAL1
32.768 KHz
See Note 1; RTC Crystal; Not needed on Network Node
2
R1
220
Red, Red, Brn
3
R2
220
Red, Red, Brn
4
R3
220
Red, Red, Brn
5
R4
220
Red, Red, Brn
6
R5
220
Red, Red, Brn
7
R6
220
Red, Red, Brn
8
R7
220
Red, Red, Brn
9
R8
100
Brn, Blk, Brn
10
R9
510
Grn, Brn, Brn
11
R10
510
Grn, Brn, Brn
12
R11
1 K
Brn, Blk, Red
13
R12
1 K
Brn, Blk, Red
14
R13
3.9 K
Orn, Wht, Red
15
R14
10 K
Brn, Blk, Orn
16
R15
10 K
Brn, Blk, Orn
17
R16
10 K
Brn, Blk, Orn
18
R17
10 K
Brn, Blk, Orn
19
R18
10 K
Brn, Blk, Orn
20
R19
10 K
Brn, Blk, Orn; Not needed on Network Node
21
R20
10 K
Brn, Blk, Orn
22
R21
100 K
Brn, Blk, Yel
23
D1
1N5817
See Note 2
24
D2
1N5817
See Note 2
25
D3
1N5817
See Note 2; Not needed on Network Node
26
D4
1N5817
See Note 2; Not needed on Network Node
27
D5
1N5817
See Note 2
28
XTAL2
5 MHz
See Note 3; Propeller Chip Crystal
29
U3
DB101
See Note 4
30
RF1 Left Socket
10p SIP Socket
See Note 5; 2mm Pitch
31
RF1 Right Socket
10p SIP Socket
See Note 5; 2mm Pitch
32
D6
Red T-1 (3mm) LED
See Note 6
33
D8
Red T-1 (3mm) LED
See Note 6
34
D10
Red T-1 (3mm) LED
See Note 6
35
D13
Red T-1 (3mm) LED
See Note 6
36
D7
Grn T-1 (3mm) LED
See Note 6
37
D12
Grn T-1 (3mm) LED
See Note 6
38
D15
Grn T-1 (3mm) LED
See Note 6
39
D16
Grn T-1 (3mm) LED
See Note 6
40
D17
Grn T-1 (3mm) LED
See Note 6