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( ) 12.
Insert and solder the two 8T97's at locations
C
6
( ) 13.
PROM 4-4:
Insert and solder the 16 24-pin sockets at
locations Al through A
Insert the 1702A's (or 8702A's) into their
appropriate locations.
section. Table 1 for these locations.
PROM 4-512:
Determine the appropriate locations for the
512 bytes of PROM by consulting the User
Guide (Table 1).
two 24-pin sockets into the selected locations.
Finally, insert the two 1702A's (or 8702A's)
into their respective sockets.
REGULATOR AND HEAT SINK INSTALLATION
CAUTION NOTE: The 7805 and 7905 regulators are physically
similar.
The identifying number is located immediately
below the center hole.
rect device in each location!
( ) 14.
Before installing the heat sink and regulator,
bend the 7805 regulator leads at 90 degree
angles to facilitate mounting on the heat
sink.
( ) 15.
Insert the
and heat sink on the component side of the board
and attach through the lockwasher and nut on the
circuit side of the board.
carefully to insure proper alignment of the heat
sink to prevent shorting to adjacent traces.
Solder in the 7805 leads.
( ) 16.
In a similar manner install the 7905 regulator
and its heat sink, following instructions 14
and 15 above.
7 - 1 0
and C7 as shown on the Assembly Diagram.
Be certain you are using the cor
screw through the 7805 regulator
# 6
PROM 4, Rev. 3
Assembly Instructions
and Bl through B
8
See the User Guide
Then insert and solder the
Tighten the screw
.
8
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