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DACS: Output Assign Module

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Output Assign Module

A single output assignment module is present in the prototype control board. Figure 74 shows the silkscreen/assembly layer for the output assignment PC board. Table 3 lists the bill of materials for this board. Figures 75 and 76 show the top and bottom routing layers, respectively.

**Figure 74:** Output assign module PCB, silkscreen/assembly drawing.
$\begin{figure} \psfig{file=pcb/oa-silk.eps,width=5.5in,height=6.5in} \end{figure}$

Table 3: Output assign module, bill of materials.

REFDES	QTY	DESCRIPTION
S1 - S18	18	E-Switch momentary PCB-mount pushbutton
R1 - R16	16	300 ohm 1/8W
R17 - R34	18	2.2K ohm 1/8W
C1 - C9	9	0.1uF monolithic
C10	1	10uF electrolytic
D1 - D16	16	T1-3/4 green LED
D17	1	dual 7-segment green LED display
U1 - U6	6	74LS373
U7, U8	2	74LS247
U9	1	GAL16V8
J1	1	20-pin DIP header
J2	1	4-pin 0.156in. power connector
J3	1	10-pin DIP header

**Figure 75:** Output assign module PCB, component-side routing.
$\begin{figure} \psfig{file=pcb/oa-top.eps,width=5.5in,height=6.5in} \end{figure}$

**Figure 76:** Output assign module PCB, solder-side routing.
$\begin{figure} \psfig{file=pcb/oa-btm.eps,width=5.5in,height=6.5in} \end{figure}$

Next: Transport Control Module Up: Control Board Previous: Fader Module Contents

Steve Richardson 2000-07-06

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