3LM
2-3-1
2-3 Operation of the PWBs
2-3-1 PF main PWB
Figure 2-3-1 PF main PWB block diagram
PFDM
LC4SW
24V
PUSH SW
LFEED SW
5V
PFFSW
UPCLE SW
PFPLSW1
LPCLE SW
PFPLSW2
UCPESW
PFPSW1
UCLLSW
PFLSW1
LCPESW
PFPSW2
LCLLSW
PFLSW2
UP DIG0,1,2
START/STOP,CLOCK,
GAIN,CW/CCW
LD
ULM OUT
UP SIG1,2
LLM OUT
LO SIG1,2
FCL REM
UFCL REM
LFCL REM
PFPWSW1
LO DIG0,1,2
PFPWSW2
PFMPWB
CPU
(U1)
EEPROM
(U2)
PFLM1
PFLM2
PFCCL
PFPF
CL1
PFPF
CL2
Serial
communication data
Machine
Y1120
2
0-
4
Service Manual
Summary of Contents for PF-720
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Page 61: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 04 2010 1ST EDITION 61 Y112020 4...