Figure 4-1.-Blocked schematic.

Figure 4-1.-Blocked schematic.

Figure 4-2.-Blocked text.

signals being processed by the coded shape of an

entity i s easily and simply identified by a

arrowhead superimposed on the lines.

circuit-identifier code, such as Q-DR-1 or L-DPG-2. For

example, in Q-DR-1 (a driver stage), Q is the active

BLOCKED TEXT

element (a transistor); DR is the abbreviation for driver;

and 1 indicates the first occurrence of that type of

The blocked text (fig. 4-2) is presented on a page

functional entity in the assembly. Functional entities are

facing the blocked schematic. The arrangement of the

blocked text matches that of the blocked schematic.

connected by signal flow lines that show the kinds of

4-3