Electrical Diagrams - Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B Service Manual

G-24
POWER WAVE RS 232 CONNECTIONS
9 PIN
FROM PC
DCD 1
RD 2
TD 3
DTR 4
GND 5
DSR 6
RTS 7
CTS 8
RI 9
NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting. PC
Board repairs will invalidate your factory warranty. This Printed Circuit Board schematic is provided for
reference only. It may not be totally applicable to your machine's specific PC board version. This dia-
gram is intended to provide general information regarding PC board function. Lincoln Electric discour-
ages board level troubleshooting and repair since it may compromise the quality of the design and may
result in Danger to the Machine Operator or Technician. Improper PC board repairs could result in
damage to the machine.

ELECTRICAL DIAGRAMS

RS 232
NULL
CONNECTOR
MODEM
CABLE
1
2 TD
3 RD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR
22RI
POWER WAVE 450
POWER WAVE
INTERNAL WIRING
#302
#303
#306
#307
G-24
J17 MOLEX
DISPLAY BOARD
1
2
3
4
5
6
7
8
9