Raleigh Audio Premium Extreme RAKK dac, Assembly Manual

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Assembly Instructions
Before you start, read through the instructions completely to the end. Inventory the kit contents
to become familiar with the parts and to make sure you have everything.
The assembly sequence is as follows:
1. Assemble all of the printed circuit boards
2. Pre-wire the printed circuit boards
3. Pre-wire the power transformer
4. Install PC boards and the power transformer on the bottom panel
5. Assemble the components on the back panel
6. Assemble the components on the front panel
7. Assemble the panels
8. Wire everything together
Assemble the Printed Circuit Boards
The RAKK dac, I2S adapter and the USB adapter are pre-assembled because their surface
mounted components require special assembly tools and techniques. However, you may install
pulse transformers on the RAKK dac. You will assemble the Active Output and the power
supplies.
While assembly of all of the boards is straight-forward, the Active Output is the most complex.
Therefore, I recommend that you leave that board until you have assembled all of the other
boards.
The assembly manuals for the boards include installation instructions that you will not use.
Rather than using those general instructions, you will follow the specific installation
instructions contained in this manual.
There are two sizes of stranded wire provided with the kit, #22 and #20. The larger diameter #20
is used for power and high voltage. The smaller diameter #22 is used for signal and low voltage.
Where a wire is to be connected to a PC board, prepare the end by stripping
⅛ ” insulation and tin
the bare wire. For other connections, strip ¼” and tin the end. Where a twisted-pair is called for,
provide about four or five twists per inch. Twisting wires together will shrink their length
slightly so you need to take this into account. With a very few exceptions, which are explicit,
insert the wire into the pad from the bottom, or solder side, of the board. Wires should be
dressed neatly as close to the bottom of the enclosure as possible.
Several of the individual kits have a small amount of wire included with them. Use that wire for
the kit it came with rather than using the bulk amount that is provided with the Extreme kit.
Otherwise you will end up short of wire.
Referring to the applicable
on-line manuals , assemble the boards now.
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