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DACS: Transport Control Module

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Transport Control Module

A single transport control module is present in the prototype control board. Figure 77 shows the silkscreen/assembly layer for the transport control PCB. Table 4 lists the bill of materials for this board. Figures 78 and 79 show the top and bottom routing layers, respectively.

**Figure 77:** Transport control module PCB, silkscreen/assembly drawing.
$\begin{figure} \psfig{file=pcb/tra-silk.eps,width=5.5in,height=6.5in} \end{figure}$

Table 4: Transport control module, bill of materials.

REFDES	QTY	DESCRIPTION
S1 - S7	7	E-Switch momentary PCB-mount pushbutton
R1 - R3, R11	3	300 ohm 1/8W
R4 - R10	7	2.2K ohm 1/8W
R1 - R13	13	0.1uF monolithic
D1 - D3	3	dual 7-segment green LED display
D4 - D6	3	T1-3/4 green LED
U1	1	GAL16V8
U2 - U7	6	74LS373
U8 - U13	6	74LS247

**Figure 78:** Transport control module PCB, component-side routing.
$\begin{figure} \psfig{file=pcb/tra-top.eps,width=5.5in,height=6.5in} \end{figure}$

**Figure 79:** Transport control module PCB, solder-side routing.
$\begin{figure} \psfig{file=pcb/tra-btm.eps,width=5.5in,height=6.5in} \end{figure}$

Next: Mixer Unit Up: Control Board Previous: Output Assign Module Contents

Steve Richardson 2000-07-06

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