Lit. see, Table f.1, See table f.1.) and the wire – Lincoln Electric NA-5S User Manual
Page 93: See table f.1, Troubleshooting & repair, Dc power supply test (continued)
F-40
TROUBLESHOOTING & REPAIR
F-40
CHECK POINT
TEST
CONNECTOR
LEAD NO.
NORMAL
LOCATION
DESCRIPTION
PLUG PIN NO.
ACCEPTABLE
VOLTAGE
READING
CONTROL PC
CHECK +15VDC
PIN 10 +
525 +
14.0 - 16.0 VDC
BOARD
SUPPLY FROM
PIN 9 -
510 -
CONNECTOR POWER
BOARD
PLUG
TO
CONTROL BOARD
VOLTAGE PC
CHECK +15VDC
PIN 3 +
525 +
14.0 - 16.0 VDC
BOARD 12 PIN
SUPPLY FROM
PIN 7 -
510 -
CONNECTOR POWER
BOARD
PLUG
TO
VOLTAGE BOARD
VOLTAGE PC
CHECK -10VDC
PIN 6 -
500 -
9.0 - 11.0 VDC
BOARD 12 PIN
SUPPLY FROM
PIN 7+
510 +
CONNECTOR POWER
BOARD
PLUG
TO
VOLTAGE BOARD
CONTROL PC
CHECK -10VDC
PIN 14 -
500 -
9.0 - 11.0 VDC
BOARD
SUPPLY FROM
PIN 9 +
510 +
CONNECTOR POWER
BOARD
PLUG TO
CONTROL BOARD
LOGIC PC
CHECK +110VDC
PLUG J1 PIN 1+
610 +
90 - 135 VDC
BOARD J1
SUPPLY FROM
PLUG J1 PIN 2 -
500 -
CONNECTOR POWER
BOARD
PLUG
TO
LOGIC BOARD
DC POWER SUPPLY TEST (continued)
NA-5
TABLE F.1 DC POWER SUPPLY CHECKS
525 +
510 -
525 +
510 -
500 -
510 +
500 -
510 +
500 -
610 +