Digital Control Board Lead Locations - Lincoln Electric POWER WAVE S500 Service Manual

F-89
REMOVAL AND REPLACEMENT PROCEDURE (continued)
FIGURE F.35 – DIGITAL CONTROL BOARD LEAD LOCATIONS
J12
MOUNTING STUDS
AND NUTS
(4)
REPLACEMENT PROCEDURE
1. Place the new Digital Control Board onto the
mounting studs.
2. Using a 3/8" nutdriver, attach the four nuts
securing the Digital Control Board to the top
case cover.
3. Connect the Ethernet cable into the Digital
Control Board.
4. Connect plugs J5, J6, J7, J8, J9, J12, J11 and
J14 previously removed. See Wiring Diagram.
5. Perform the Case Cover Replacement
Procedure.
TROUBLESHOOTING AND REPAIR
DIGITAL CONTROL BOARD
J5 J6
D1 D3
J5 J6
D4 D6
D8
Q1
D2 D5
X4
Q24
X13
Q11
Q25
X18
O O
N N
S3 S1
Q10
X33
X83 X82 X29 X28
Y1
X81
BT1
Y2
R12
X46
X48
L7
R15
X49
C255
Y3
X62
X53 R24
Q18
X1
OCI7 OCI8
DZ31 DZ32
OCI10 OCI9
Q19
O X59
N
D38 D39
S2 OCI5 OCI6
C15
X64
X68
D35
X67
J13 J2 J4
J11
X57
J11 J14
POWER WAVE
J7 J8
Q3 Q6
J7 J8
X100
D17
X94 X96 X95 X97
D16
X5 X9 X10
X99
C8
X93 X98
X22
Q31 X38
X75
X19
X20
X41 X25 X36
Q16 X34
L14
X92
R510 X35
FTP1
R6
X50
D54
R21
X51
LED9 C9
C10 CT1
X63
Q20
C11 C12
D30
L11
T2
C14
C13
D40 D41
Q22
C19 C22
D42
C20
C18
X70
X72
C21
C292
OCI12
® S500
J9
J9
D19
D22
X26
X11
X24
C6
Q14
X21
X85 X12
MOUNTING STUDS
AND NUTS
(4)
FTP3
L12
Q23
X73 X74
F-89