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G-6
ELECTRICAL DIAGRAMS
NA-5
POWER PC BOARD (L6252-2 & above) SCHEMATIC
CR1
OFF
TRAVEL
AUTO
HAND
S1B
CR7
626
666
CR6
S2
FOR THE NA-5R ONLY:
BURNBACK KIT IS CONNECTED TO 631 AND 532.
631
AND CR2 ARE REMOVED ON THE NA-5R.
MOTOR ARMATURE
WIRE FEED
18
115 VAC
531B
532
WIRE FEED
3000
.0047
3000
.0047
BLK
531B
RED
MOTOR FIELD
WHT
500
P1
J3
6
P1
J3
1
P1
J3
5
-10V
500
500
POWER SUPPLY
RELAY
500
500
J2
4
25
2
GND
SHOWN WITH JUMPER
PLUG INSTALLED
NA-5R OPTIONAL BURNBACK
4
404
1
2
3
6
5
4
402
532
RECEPTACLE WHICH IS DRAWN BELOW.THE
CR3 IS SHOWN IN THE OPTIONAL BURNBACK KIT
L
TRAVEL
RECEPTACLE
532
THE TRAVEL RECEPTACLE,THE TRAVEL SWITCH,
4
2
CR3
GND
32
KIT RECEPTACLE
CR3
CONTROL POWER AND
EMERGENCY STOP
S1A
31
115VAC
INPUT
8956
531
531
531
GND
3000
.0047
C22
16A
400V
D2
539
LED1D
16A
400V
D1
500
525
UNLESS OTHERWISE SPECIFIED)
(UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
LABELS
C-
D-
R-
541
ELECTRICAL SYMBOLS PER E1537
M
BLUE
1/4W
.022/50V
GENERAL INFORMATION
(
DIODES =
RESISTORS = Ohms (
1A, 400V
MFD
CAPACITORS =
24
EQUIP.
22
POWER SUPPLY SOURCE POINT
EARTH GROUND CONNECTION
COMMON CONNECTION
FRAME CONNECTION
LAST NO. USED
VOLTAGE NET
540
NA-5,NA-5R
J1
4
0.5A
125V
F2
50
250V
C3
P1
J1
1
12W
40
R1
LED1C
133K
R2
627
133K
R18
LED1E
150V
45J
TP1
200V
.15
C2
1400V
.0047
C1
0.5A
125V
F1
0.2mH
PT1
1
2
SHT.
J2
5
L
SUP'S'D'G.
SUBJECT
NO.
P1
J3
3
0.2mH
PT2
1
2
8956
15
100V
.047
C5
2N6398
SCR1
200V
.15
C4
TYPE
SUPPLY
631
0.2mH
PT3
1
2
600V
.02
C21
100
R3
2N6403
SCR3
2N6403
SCR4
BLACK
16A
400V
2W
10K
R5
FEED FORWARD
D3
100V
.047
C19
6.81K
R10
13.7K
R20
4.7
35V
C7
2N6027
QU1
2
3
1
P1
J1
3
4.75K
R9
C24
332
R21
P1
J1
6
100
R6
0.2mH
PT1
5
6
100V
.047
C6
100
R4
J2
1
0.2mH
PT1
3
4
2N6398
SCR2
LED1F
133K
R16
D9
1N4007
D12
1N4007
D15
GND
IN
OUT
X2
B3
B4
D7
D6
B5
1N4007
D13
1N4007
D14
610
150V
45J
TP3
J2
6
600V
.02
C18
LED1B
LED1A
D10
500
50V
C15
D11
4.7
35V
C16
500
50V
C14
500
610
ARMATURE SUPPLY
B1
D4
133K
R17
18
15V
C17
D5
3.32K
R15
(HS)
IN
7815
OUT
GND
X1
1W
5.1V
DZ1
100V
.22
C13
B2
4.75K
R14
D8
BRN
24
VAC
T2B
532
10 VAC
531B
T2A
YLW
BLK
602
601
YLW
BLK
BRN
115 VAC
532
BLK
T1B
METER
VAC
CANADA
ORG
115
ORG
RED
AUSTRALIA
POWER SUPPLY
INTERFACE OPTION
FRANCE
87
FLUX OR WATER
R1
SOLENOID RECEPTACLE
2 OHMS
50 WATTS
531A
CB1
531A
631
.0047
3000
VAC
CR2
T1A
SUPPLY
J2
3
J2
2
150V
45J
TP2
VAC
WHT
18
RED
FIELD SUPPLY
40V
600mA
Q9
0.2mH
PT3
3
4
40V
600mA
Q3
1.50K
R19
C20
681
R11
P1
J3
8
P1
J3
4
10K
R7
100V
.047
C8
40V
600mA
Q1
P1
J3
9
P1
J3
2
47.5K
R8
C12
0.2mH
PT2
3
4
C9
33.2K
R22
C10
C11
40V
600mA
Q2
500
510
525
NONE
SCALE
CHK.
DATE
Ch'ge.Sht.No.
DR.
47.5K
R12
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
K.K.
ON ALL ANGLES IS + .5 OF A DEGREE
ON 3 PLACE DECIMALS IS + .OO2
ON HOLES SIZES PER E-2056
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON 2 PLACE DECIMALS IS + .O2
WITH PUBLISHED STANDARDS
MATERIAL TOLERANCE ("t") TO AGREE
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
CIRCUIT
ANALOG
REFERENCE
POWER SUPPLY
FIELD DIRECTION
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
NUMBER.
NOTES :
P1
J3
7
587
510
510
ZERO VOLT
ANALOG
525
+15V
525
5/12/92
POWER P.C. BOARD SCHEMATIC
G-6
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not avail-
able from Lincoln Electric. This information is provided for reference only. Lincoln Electric discourages 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.
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