Lincoln Electric LN-25 SVM179-B Service Manual page 97

G-19
sChEmaTiC - lN-25 prO CONTrOl pC BOarD - CODEs 11620, 11621, 11716, 11717, 11746, 11747 (G4783-1) pG 1
TACHOMETER +15V +5V
9 J4
RED
0.063W
10K
10K
0.063W
J4
BLUE 7 R98
C58
100pF
100V
J4
BLACK 10
GND
+15V
6 J6
7 J6
8 J6
-15V
5 J6
CUR_SENSE R77
4.75K
1 J6
GAS_PURGE
R93
4.75K
3 J6
TRIG_INLK_2_STEP R89
4.75K
4 J6
CV_CC R92
4.75K
2 J6
COLD_FEED R79
4.75K
0.1W
+5V
L3
600 OHMS
J4
6
C73
0.1uF
50V
CW
GND
J4
WFS
12 R39
POT
10K
0.1W
100K
0.1W
J4
11
GND
J5
667 1 667
INPUT POWER
8 J5
621
7 J5
ELECTRODE
ELECTRODE
C15
POLARITY_SENSE
0.05uF POLARITY_SENSE
600V
METER_COMP
J5 WORK METER_COMP
6
WORK
ARC VOLTS READ
5 J5
R4
9 J6
622A R5 R3
121 121
500
1W 1W
TRIGGER
R8
10 J6
R6 R7
500A
121 121
500
1W 1W
5.1V
3W
DZ3
GND
10 J2
DUAL_P_TRIGGER R16 R17
121 121
1W 1W
+5V
+15V +5SPI
1 J1
2
1
D10
2 J1
0.2A
30V
3
J1
4 R185
332
J1
5 R186
332
3 J1 /SS_P
R69
332
J1
6 R187
332
9 J1 MOSI_P
R51
332
8 J1 SCK_P
R68
332
3
+5SPI
D9
0.2A
2
2 30V 1
4.75K
475 0.1W 475
0.1W 0.1W
J1 MISO_P
7 R35 R50
C24
DZ13
22pF
50V 5.1V
0.5W
J1
10
GND
2
1
D32
0.2A GND
30V
3 9
8 TACH
R99 X8
10
HC132
100
2
+5V
D7
J2 3
3 R43 0.2A
GAS ON/OFF
70V
2.21K
0.1W
1
C31
0.1uF
1K
50V
0.1W
+5V
GND
2 2 2
1 1 1 2 2
D17 D22 D16
1 1
D20 D21
0.2A 0.2A 0.2A
0.2A 0.2A GND
30V 30V 30V
30V 30V
3 3 3
3 3
2K 2K
HIGH TORQUE
2K 2K 2K
0.1W 0.1W 8 J2
0.1W 0.1W R21
C41 C48 C42
C50 C49 1K 0.063W
0.1uF 0.1uF 0.1uF 9 J2
0.1uF 0.1uF
50V 50V 50V R22
50V 50V
1K 0.063W
7 J2
R20
1K 0.063W
GND
+5V
2
+5V POWER BRAZER
D8 J2
0.2A 4
3
30V
475
1
GND WFS
R40
+15V_ISO
C30
0.1uF
50V
+VM +35V +15V -15V +5V
ISO
15V_ISO 15V_ISO_COM
MOTOR_SUPPLY
35VDC_SUPPLY
667
POWER_SUPPLY 15VDC_SUPPLY
NEG15V_SUPPLY
GND
5.0VDC_SUPPLY
5VSPI_SUPPLY
624
VM_LIM
5V_ISO2 COM_ISO2
+5V
J6 J6 16
15
+15V
4.75K 5V_ISO2 COM_ISO2
0.1W
TRIGGER
DUAL_P_TRIGGER
+5V
332
Q4
R82
0.5A
40V
C43
0.1uF 221 4.75K
0.1W 0.1W
50V
R13 332
Q1
R10
0.5A
40V
500
C1
DZ1
221
0.1uF
5.1V
0.1W
50V
3W
+5SPI
GND J3
8
2 2 1 J3 RS232_RX RS232_RX RXD
1 1
D55 D53
0.2A 0.2A
30V 30V GND
J3 RS232_TX
RS232_TX
5 TXD
3 3
6 J3
CS1
RS232
R188
GND
100 0.1W
CS2
R189
100 0.1W
SS
R67
100 0.1W
CS3
R190
100 0.1W
+5V
SPI_MOSI
R49
100 0.1W
SPI_SCLK
R66
100 0.1W
3 3
+5V
+5SPI
14
D6 D54 11
0.2A 0.2A Vdd
30V 1 2 30V 1 C52 C51
X8
0.1uF X7 0.1uF
5 50V 50V
2113 HC132
VCC
Vss
LVC1G14GW 7
GND 15
2 A Y 4 MISO
X1
C34
NC GND
GND
0.1uF
1 3 50V
GND
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ElECTriCal DiaGrams
4
6
X8
TACH_IN PSOC 5
PWM_MOTR
HC132
3.32K
0.1W
GAS_ON_OFF
GAS_ON_OFF
GND
BRAKE
IM_AVE
CUR_SENSE
GAS_PURGE VIM_PEAK = ((+5V - (IPK*RS))*R2.67/(R2.67+R20+RS))
+ (IPK*RS)
IM_PEAK
TRIG_INLK_2_STEP
15AMPS = 1.25VDC
CV_CC
COLD_FEED
CONFIG[0]
CONFIG[1]
PWM_SOL
CONFIG[3]
PWM_CONT
PSOC
WFS_POT
CC_SENSE
+5SPI
ARCV_SENSE
POLARITY_SENSE
LED
TRIGGER
OUT_2_4
DUAL_P_TRIGGER
35V_SENSE
+15V
47.5K
0.1W
V13_VSENSE
13V_SENSE BURNBACK
C22
0.1uF
16.5K
50V
0.1W DATA
DATA R106
200
SCLK
SCLK R107
200
GND
XRES
XRES R108
SPIBUS
200
+5V
10K 10K
0.063W 0.063W
RXD TXD GAS_FLOW
GND
PROGRAMMING
+15V +15V
+5V
4
3
Vcc
15
C45
Vcc 82 32 83 14 X6
C54
0.1uF
AVDD VDD SMP X7
C28 C38 0.1uF
C33 50V
X3 33074ADT
0.1uF 0.1uF 50V
X2 2113
CY8C29866 0.1uF
50V 50V
50V GND
MAX3221 VSS 11
2
GND
15 34 65 84 85
14
GND
-15V
GND
+5V
4.75K
0.063W
2
X7-8
3
X8
1
HC132
X7 7
Vb
12 8
HIN HO
Q7
12 13
0.115A SD
11
X8 R100 60V 14 6
LIN Vs
13
HC132
100
1
LO
2113
GND
26.7K
0.1W
R105
13
IM_AVE
R85 X6
VAVE = 0.331*IAVE 14
26.7K
+5V 33074ADT 12
C46 0.1W
+5V
0.1uF
4.75K
50V
0.063W
2
2
D23
0.2A
D25
3
0.2A 20K 30V
3
30V 0.1W
1
1
2.67K GND
0.063W
IM_PEAK
R103
C55
330pF
100V
GND
CONTACTOR_DRIVE
+5V
2
D1 R153 667
0.2A
3 100K
30V
100K
1
GND
CC_SENSE 38.2V = 5.00V
R33
1K
0.063W C65
0.1uF 82.5K 47.5K
50V 0.1W 0.1W
GND
ARC_VSENSE
LED
OUT_2_4
+5V L2
600 OHMS
2 J2
2 100
0.1W
D4 C72
0.2A 0.1uF
3
30V
50V
1
CW
GND
475
J2
BB
R28 R27 5
POT
10K
C21 0.1W +15V
100K
0.1uF
J3 0.1W
50V
4 DATA
J2
1
J3
3
SCLK
1.82K
J3 GND
2 XRES
OCI1
1
J3 +5V
7
2
2
D5
0.2A
3
30V
0.115A
1
GND
10K
J2
GAS FLOW
R25 R24 6 0.063W
ENABLE
100 100
0.1W 0.1W
GND
PROPRIETARY & CONFIDENTIAL: THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED
TO OTHER PARTIES, OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.
SINCE COMPONENTS OR CIRCUITRY ON A
DESIGN INFORMATION
PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGE- DRAWN BY: APM 9/3/2010
ABILITY OF A COMPLETE BOARD, THIS
ENGINEER: APM
DIAGRAM MAY NOT SHOW THE EXACT REFERENCE:
COMPONENTS OR CIRCUITRY OF CONTROLS
---------
APPROVED: DRS
HAVING A COMMON CODE NUMBER.
G-19
+15V_ISO
+VM
D30
1A/FR
1K
400V
PWM
Q5
47A
Q5-G
R110 600V
R230-R231
100
DZ14
C53 1K
C75 18V
0.1uF 82uF 0.5W
541
50V 35V
(BLK)
J4-1 J4
R102 1
D31
15
1A/FR
400V
BRAKE
D26
Q9 MOTOR
3A
ISO 26A
600V
R118 600V
150
J4
2
GND
DZ15
539
18V
(WH)
1K 26.7K
0.5W
0.063W 0.1W
R84 R83
D24 C44
0.05
1A/FR 0.1uF
5W
400V 50V
GND
+35V
J4
3
D13 D12
J4
1A/FR 1A/FR
8 SOL
400V 400V
J4
4
CONT
Q3
J4
47A 5
SOLENOID_DRIVE
R57 55V
Q2
200
47A
R59 55V
200
10K 10K
0.063W 0.063W
GND
667
+5V
150K
2
D3
0.2A
3
30V
150K ARC SENSE
1
GND
R29 155.0V = 5.00V
1K
0.063W C66
10K
0.1uF +5SPI
0.063W
50V
J6
14
GND
J6
R94 11
200
J6
R96 13
100 100 100
0.1W 0.1W 0.1W 200 J6
Q13
R95 12
0.115A
Q12
200
60V
0.115A
60V Q14
0.115A
60V
10K 10K 10K
0.063W 0.063W 0.063W
GND GND
1.82K
OUTPUT2
J5
R15 4
OCI1
20
4
5W
5 TP1
S
150V
80J
6
J5
3
OUTPUT4
+5V
Q11
+35V
60V 2
D2
3
0.2A +35V SUPPLY
30V VOLTAGE
SENSE
1 26.7K
GND
+35V_SENSE
R32 45.2V = 5.00V
1K
0.063W C23
3.32K
0.1uF
0.063W
50V
GND
LAST NO. USED
GENERAL INFORMATION
Q- 14
R- 232 DZ- 19
T- 2
ELECTRICAL SYMBOLS PER E1537 L- 3
73
C-
.022/50V LED- 1 TP- 1
CAPACITORS = MFD ( UNLESS OTHERWISE SPECIFIED)
D- 56 OCI- 1 X- 14
RESISTORS = Ohms ( 1/4W UNLESS OTHERWISE SPECIFIED) LABELS
1A,400V
DIODES = (UNLESS OTHERWISE SPECIFIED)
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
MAIN EARTH GROUND CONNECTION
EQUIPMENT TYPE:
FLEXIBLE POWER FEEDER PAGE 01 OF
05
SUBJECT: SCHEMATIC, CONTROL PCB DOCUMENT DOCUMENT
NUMBER: REVISION:
4783-1C0 A
MATERIAL NA APPROVAL PROJECT G
10-23-2009 CRM40617
DISPOSITION: DATE: NUMBER:
lN-25™ prO