Publicidad
G-9
PROCEDURE PC BOARD SCHEMATIC
J19
515
5
FROM LOGIC
POWER
SUPPLIES
J19
ON LOGIC PCB
500
15
J19
520
3
F R O M R E F
VOLTAGE ON
CONTROL PCB
J19
510P
2
J19
START TIME INITIATE
584S
8
J18
WELD TIME OVER
565
2
J19
CRATER TIME INITIATE
7
584C
J19
CURRENT
9
588
LOGIC
PCB
J19
START TIME OVER/WELD TIME INITIATE
583S
1
J19
CRATER TIME OVER/BURNBACK TIME INITIATE
583C
6
J18
BURNBACK TIME OVER
566
3
100 Hz
TIME BASE
OUTPUT
1
Q12
Vdd
2
OUT2
Q13
3
Q14
Q8
4
Q6
Q9
X2
5
Q10
Q5
6
Q7
OUT1
7
Q4
CLK
8
Vss
RES
MC14060
TIME BASE
FOR
DIGITAL TIMERS
N.E.
FRAME
STRIKE PROCEDURE
J18
DISABLE
561
1
STRIKE PROCEDURE
LOGIC
J19
ENABLE
PCB
563
13
J19
WELD PROCEDURE ENABLE
564
14
PROCEDURE KIT
N.D.
RECEPTACLE
J19
WELD PROCEDURE ENABLE
564A
4
J18
START DISABLE
581
4
LOGIC
PCB
J18
START DISABLE
581A
5
J18
PRESET MONITOR ENABLE
560
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.
OPTIONAL
START MODULE
515
+5V
TIMER BOARD
500
500
655
515
I
O
-10V
520
+10V
C1
18
OPTION BOARD
15V
584
583
510P
520
515
562
588A
588
635
562
500
655
632
N.B.
7
1
2
3
4
6
8
9
11
12
13
14
15
J11
J11
J11
J11
J11
J11
J11
J11
J11
J11
J11
J11
J11
520
515
500
+10V
+5V
-10V
1.6384 MHz
TEST POINT
16
9
14
13
15
10
11
R20
12
10M
7.68K
1/2W
Y1
515
C2
C3
+5V
22p
1.6384MHz
47p
520
100V
100V
+10V
2.21K
500
-10V
LED1
LED2
LED3
LED4
4.75K
D1
D2
D3
D4
STRIKE
START
W E L D
CRATER
D5
D6
D7
D8
D9
D10
47.5K
D11
START
W E L D
STRIKE
STRIKE
CRATER
8
9
10
11
2
3
4
5
S1
A
S1
B
PRESET MODE
C2
C1
SELECTOR
N.E.
D12
ELECTRICAL DIAGRAMS
OPTIONAL
OPTIONAL
WELD TIMER MODULE
CRATER MODULE
TIMER BOARD
500
655
515
I
OPTION BOARD
TIMER BOARD
O
I
515
655
500
584
583
510P
520
515
562
588A
588
N.C.
1
2
3
4
5
6
7
1
2
3
4
6
8
9
J9
J9
J9
J9
J9
J9
J10
J10
J10
J10
J10
J10
J10
J10
515
500
520
515
+5V
-10V
+10V
+5V
C6
5.62K
5.62K
4.75K
Q1
C W
C W
600mA
STRIKE
10K
40V
2 W
10K
VOLTS
8
X1
A
9
3
X1
B
4
2 W
N.E.
N.E.
STRIKE
SPEED
6
5
267
1.82K
47.5K
26.7K
STRIKE MODE SETTINGS
520
+10V
14
X2
C4
C5
X1
MC14060
4066B
7
POWER SUPPLY DISTRIBUTION
AND BYPASSING
BURNBACK TIMER
O
TIMER BOARD
635
562
500
655
632
O
I
515
655
500
11
12
13
14
15
1
2
3
4
5
6
J10
J10
J10
J10
J10
J8
J8
J8
J8
J8
J8
500
515
500
-10V
+5V
-10V
TO SET
J19
632
SPEED BUFFER
10
ON CONTROL PCB
TO SET
J19
11
635
VOLTAGE BUFFER
ON VOLTAGE PCB
C9
C7
5.62K
5.62K
Q2
C W
C W
W E L D
600mA
10K
VOLTS
40V
10K
2 W
11
X1
C
10
2
D
X1
1
2 W
N.E.
N.E.
W E L D
SPEED
12
13
26.7K
332
1.82K
WELD MODE SETTINGS
515
+5V
NOTES :
16
N.A.
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.
C8
N.B.
A JUMPER PLUG CONNECTS 584S TO 583S WHEN THE OPTIONAL START MODULE IS
4.7
NOT INSTALLED.
35V
N.C.
A JUMPER PLUG CONNECTS 584C TO 583C WHEN THE OPTIONAL START MODULE IS
8
NOT INSTALLED. ALSO, LOGIC CIRCUIT 694 LEAD MUST BE MOVED FROM PIN P10
TO PIN P8.
N.D.
564 IS CONNECTED TO 564A BY A LEAD RECEPTACLE JUMPER PLUG, WHICH IS
REMOVED WHEN THE OPTIONAL MULTI-PROCEDURE KIT IS INSTALLED.
N.E.
R2, R5, R8, R11 AND S1 ARE CONNECTED TO FRAME BY PCB TRACES AND MOUNTING
SCREW, FOR ESD.
500
-10V
G-9
NA-5
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