Pf Main Pwb - Olivetti PF-680 Service Manual

2-3 Operation of the PWBs
2-3-1

PF main PWB

PFDM
PFLM1
PFLM2
PFPFCL1
PFPFCL2
PFCCL
PFPSW1
PFPSW2
PFLSW1
PFLSW2
PFPLSW1
PFPLSW2
PFPWSW1
PFPWSW2
Y112350-4
PFMPWB
CPU
(U1)
Figure 2-3-1 PF main PWB diagram
Service Manual
24VR
24V
5V
Serial
communication
data
3NH
PFFSW
LC3SW
Machine
2-3-1