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V350-PRO
TROUBLESHOOTING & REPAIR
F-56 F-56
FIGURE F.20. – DISPLAY BOARD LOCATION
WARNING
REMOTE
POWER
OFF
ON
A
AMPS
A
V
VOLTS
WELD TERMINALS
SELECT
OUTPUT
HOT START ARC CONTROL
-4
+4
+2
-2
0
-6 +6
-10
SOFT
CRISP
+10
-8
+8
5
4
3
2
1
0
6
10
9
8
7
SELECT
C
C-STIC
K 7018
CC
-STIC
K 6010
TIG
G
TAW
CV-W
IRE
CV-FLU
X CO
RED
L11130-1
CS71D1
Display Board
L1110 7- 2
STATU S INP UT
L11110-1
M
O
DE SELECT
Mode Board
or Advanced
Process Board
DISPLAY BOARD REMOVAL & REPLACEMENT (continued)
PROCEDURE
1. Remove input power to the V350-PRO.
2. Using a 5/16” nut driver remove the case
wraparound cover.
3. Perform the Input Filter Capacitor
Discharge Procedure detailed earlier in this
section.
4. Locate the display board behind the front
panel of the machine. See Figure F.20.