Digital488 I/O Board
Component Layout and
Replaceable Parts
Schematic Part Number Description
C201-C205 C-5-.1 Ceramic, 25v
C123 C-5-1 Ceramic, 25v
R201-R202 R-1-1K 1K½, 1/4w carbon
R206 R-1-1K 1K½, 1/4w carbon
S201 SW-6-8 8 Pole DIP
U201 IC-1
MC68B09P
Microprocessor
U202-U204 IC-2 68B21 PIA
U205 IC-47 74LS05
U206 IC-32 74LS375
5-4, Service Information 916895 Digital488 User’s Manual
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