Publicidad
G-8
CONTROL CIRCUIT SCHEMATIC
A
525
A5H
11
1
6
+
C204
5
2
C201
510
A5H
C214
+
3
500
A6H
4
142T
5
CW
CAL
C409
C408
6
7
C201
.022/25
DZ201
C202
.022/25
DZ202
C203
18/15
DZ203
C204
4.7/35
C205
.0033/200
L201
C206
.47/50
L202
C207
18/15
C208
4/50
Q201
C209
.047/100
Q202
C210
4.7/35
Q203
C211
.15/200
Q204
C212
.022/25
Q205
C213
Q206
.022/25
C214
4.7/35
Q207
C215
18/15
C216
100pf/100
QU201
C217
THRU
.022/25
C229
X201
X202
D201
X203
THRU
X204
1A, 400 V
D206
D208
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.
B
C
D
E
520
12
10
Q207
+10.00V
R243
C221
2
525
A5H
3
9
8
X201
10
+
11
X202
5
4
C202
1
C203
12
2
3
4
13
C216
CW
7
CAL
C205
+10.00 V
REFERENCE
C206
+
SUPPLY
TACH SIGNAL CONVERTER
510P
FROM OPTION
525
SPEED
AND
632
A5H
525A
PROCEDURE
SETTING
PC BOARD
+
L201
E2D
C215
510P
555
TO TACH
B3C
PICK-UP
SET SPEED BUFFER
P.C. BOARD
512
511
B3G
B1G
L202
SET
ACTUAL
S7A
SPEED
510A
SET-ACTUAL
SPEEDMETER
CALIBRATION
519
JUMPER
95S
142
95
57
57F
CW
CW
CW
CW
CW
CAL
CAL
CAL
CAL
CAL
C407
C406
C405
C404
TP4
510P
B3C
SPEEDMETER
CONTROL P.C. BOARD
6.8 V., 1 2 W.
/
R201
1K
R227
6.8K
16.0 V., 1 W.
R203
500 TRIMMER
R228
10K
3.0 V., 1 W.
R204
1.00K, 1/4W, 1%
R229
20K TRIMMER
R205
2.94K, 1.4W, 1%
R230
27K
R206
15K
R231
15
330 uH, 110mA
R207
10K
R232
100
R208
100K TRIMMER
R233
6.8K
2N4123
R209
33K
R234
2.7K
2N4123
R210
10K
R235
10K
2N4123
R211
270
R236
15K
2N4125
R212
15K
R237
10K
BS170
R213
47K
R238
1M
R214
15K
2N4123
R239
15K
2N5816
R215
100K
R240
5.6K
R216
1K
R241
15K
2N6027
R217
1K
R242
270
R218
1K
R243
10
R219
33K
VOLTAGE REGULATOR
R220
50K TRIMMER
F- TO -V CONVERTER
R221
15K
QUAD OP-AMP
R222
10K TRIMMER
QUAD OP-AMP
R223
33K
R224
100K
R225
1K
R226
10K
ELECTRICAL DIAGRAMS
F
G
H
J
C217
C209
512
R221
B4E
4
X203
-
C208
2
B4J
A
R211
R217
-
3
1
6
2
+
D
11
7
5
3
+
C218
X203
C212
CW
HI
CONTROL
500
AMP
A6H
C220
ACTUAL SPEED BUFFER
511
B4E
X203
-
511A
511
13
B5J
B
R242
R218
12
14
+
C213
C228
N.A.
B1G
TP5
B3G
+5V
1
X401
2
4
DM401
OUT
IN
GND
D402
D401
A6E
601
E
C403
C
+
602
A6E
+
C402
C401
D403
D404
R410
510
C7E
SPEEDMETER
POWER SUPPLY
TACHOMETER P.C. BOARD
SPEEDMETER P.C. BOARD
COMPONENTS NOT ON P.C. BOARD
OCI301
OPTO-INTERRUPTER
C401
500/50
DM401
C402
4.7/35
Q301
2N4123
C403
S7A
SPDT SPEED SET-ACTUAL
.022/25
THRU
R301
1K
C409
R302
15K
D401
R304
1.3K
D402
1A, 400V
D403
D404
+5V VOLTAGE REGULATOR
X401
R401
2K TRIMMER
R402
17.8K, 1/4W, 1%
R403
2.80K, 1/4W, 1%
NOTES:
R404
2K TRIMMER
N.A. 511 IS CONNECTED TO 511A
R405
18.2K, 1/4W, 1%
BY CONNECTION TO
R406
5K TRIMMER
R407
33.2K, 1/4W, 1%
VOLTAGE P.C. BOARD.
R408
5K TRIMMER
N.B. THESE COMPONENTS ARE
R409
52.3K 1/4W, 1%
LOCATED ON POWER P.C.
R410
10
R411
5K TRIMMER
BOARD (SEE SCHEMATIC A).
R412
31.6K, 1/4W, 1%
R413
5K TRIMMER
R414
51.1K, 1/4W, 1%
K
L
M
C219
CW
LO
D206
C224
4
-
X204
A
1
+
Q204
C229
+
11
C210
R231
Q203
628
D Z 2 0 3
D8A
QU201
Q 2 0 5
Q206
C225
C223
D208
540
A1H
D205
C211
C227
C119
PT
101A
500
N.B
A6H
ARMATURE FIRING CIRCUIT
R212
R214
512
FAST-SLOW
R240
-
ACCELER
-
D204
8
9
9
8
JUMPER
B
C
10
10
+
+
X204
X203
PIN
PIN
525
F
511
S
A5H
R241
525
CW
A5H
Q201
ACC
D202
DZ201
+
C207
C226
D203
D201
586
FEED
ENABLE
D7J
ACCELERATION CIRCUIT
FEED ENABLE CIRCUIT
KEY TO SYMBOLS
DIGITAL METER
POWER SUPPLY SOURCE POINT
COMMON CONNECTION TO ANALOG POWER
SUPPLY; 510
A5H
SCHEMATIC LOCATION REFERENCE
HORIZONTAL CO-ORDINATE LETTER
VERTICAL CO-ORDINATE NUMBER
SCHEMATIC IDENTIFICATION LETTER
UNLESS OTHERWISE SPECIFIED, COMPONENT VALUES OF:
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS, 1 2 WATT
/
SINCE COMPONENTS OR CIRCUITRY ON A PRINTED
CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING THE
INTERCHANGEABILITY OF A COMPLETE BOARD, THIS
DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS
OR CIRCUITRY OF CONTROLS HAVING A COMMON
CODE NUMBER.
ELECTRICAL SYMBOLS PER E1537.
G-8
Q202
C222
500
A6H
NA-5
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