Honeywell
COMPONENT MAINTENANCE MANUAL
PART NUMBER 964-0452
I.B.1516A Page 49
Mar 30/01
23-12-01
Block Diagram, Filter Board, A71
Figure 23
(7) Controller D, A8, and Interface D, A9
(a)
Controller D, A8
The functional units located on the Controller Assembly are described here. Ref.
Fig. 24 for block diagram.
1
Processor, D11
The Central Processor Unit (CPU) used is the Intel 80C186, 16-bit processor.
The processor receives a 16MHz clock pulse from crystal oscillator, B1. For test
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