Lincoln Electric LN-25 SVM179-B Service Manual page 92

G-14
sChEmaTiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 11388, 11507, 11508 (G4745-1) pG 1
TACHOMETER +15V +5V
9 J4
2
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
2
-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
2K
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
R5 R3
622A
121 121
500
1W 1W
TRIGGER
R8
10 J6
R6 R7
500A
121 121
500
1W 1W
5.1V
3W
DZ3
+5V
+15V +5SPI
1 J1 2
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
5.1V
50V
0.5W
J1
10
GND
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
1K 0.1uF
50V
0.1W
+5V
GND
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
0.1W 0.1W
0.1W 0.1W 8 J2
C41 C48 C42 R21
C50 C49
0.1uF 0.1uF 0.1uF 1K 0.063W
9 J2
0.1uF 0.1uF
50V 50V 50V R22
50V 50V
1K 0.063W
10 J2
R23
7 J2 1K 0.063W
R20
1K 0.063W
GND
+5V
2
+5V
J2
4
D8
0.2A
3
30V
475
1
GND WFS
R40
C30
+15V_ISO
0.1uF
50V
+VM +35V +15V -15V +5V +5SPI
ISO
15V_ISO 15V_ISO_COM
MOTOR_SUPPLY
35VDC_SUPPLY
POWER_SUPPLY 15VDC_SUPPLY
667
NEG15V_SUPPLY
5.0VDC_SUPPLY
GND 5VSPI_SUPPLY
624
VM_LIM
5V_ISO2 COM_ISO2
J6
J6 16
15
5V_ISO2 COM_ISO2
+15V +5V
4.75K
0.1W
TRIGGER
332
Q4
R82
0.5A
40V
C43
0.1uF 221
50V 0.1W
GND
+5SPI
J3
8
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
+5V
100 0.1W
CS3
R190
100 0.1W
SPI_MOSI
R49
100 0.1W
SPI_SCLK
R66 14
11
100 0.1W
3 3 Vdd
+5V
+5SPI
C52 C51
X8
D6 D54 0.1uF 0.1uF
X7
0.2A 0.2A 50V 50V
30V 1 2 30V 1 2113 HC132
Vss
7
5 15
VCC
LVC1G14GW
GND
2 A Y 4 MISO
X1
GND
C34
NC 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 2
6
X8
TACH_IN PSOC 5 1
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..3]
CONFIG[0]
CONFIG[0..3]
CONFIG[1]
CONFIG[2]
PWM_SOL
CONFIG[3]
PWM_CONT
PSOC
WFS_POT
CC_SENSE
ARCV_SENSE
POLARITY_SENSE
LED
TRIGGER
+15V
OUT_2_4
35V_SENSE
47.5K
0.1W
V13_VSENSE
13V_SENSE
C22
0.1uF
16.5K BURNBACK
50V
0.1W
DATA J3
DATA
R106
GND
200
SCLK J3
SCLK R107
200
XRES J3
XRES R108
SPIBUS
200
+5V
10K 10K
0.063W 0.063W
J3
RXD TXD GAS_FLOW
GND
PROGRAMMING
+5V +15V +15V
4
15 3
Vcc 82 32 83 14 Vcc
C38 AVDD VDD SMP
C28 C45 X6
C33 C54
X3
0.1uF X2 0.1uF X7 0.1uF
0.1uF 0.1uF
50V 50V CY8C29866 50V
50V 50V 33074ADT
MAX3221 VSS 2113
GND 15 34 65 84 85 GND
11
14 2
GND
GND -15V
+5V
4.75K
0.063W
X7-8
3
X8
HC132
X7 7
Vb
12 8 C53
HIN HO
Q7
12 13 0.1uF
0.115A SD 50V
11
X8 R100 60V 14 6
13 LIN Vs
HC132
100
1
LO
2113
GND
26.7K
0.1W
R105
GND
13
IM_AVE 1K
R85 X6
0.063W
VAVE = 0.331*IAVE 14
26.7K
R84
+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
SOLENOID_DRIVE
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
0.1W
50V 0.1W
GND
ARC_VSENSE
R29
1K
0.063W
LED
OUT_2_4
+5V L2
600 OHMS
2 J2
2 100 100
0.1W 0.1W
D4 C72
0.2A 0.1uF
3
30V
50V
1
CW
GND
475
J2
BB
R28 R27 5
POT 10K
10K 0.063W
0.1W
C21 +15V
100K
0.1uF
50V 0.1W
4 DATA
J2
1
3 SCLK
1.82K 1.82K
GND
2 XRES
OCI1 OCI1
1
+5V
7
2
2
D5
0.2A
3 Q11
30V
0.115A
1 60V
GND
10K
J2
GAS FLOW
R25 R24 6 0.063W
ENABLE
100 100
0.1W 0.1W
GND
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
CAPACITORS =
RESISTORS = Ohms (
DIODES =
MAIN
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.
EQUIPMENT TYPE:
SINCE COMPONENTS OR CIRCUITRY ON A
DESIGN INFORMATION
PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGE- DRAWN BY: JPZ 10/20/2009
SUBJECT:
ABILITY OF A COMPLETE BOARD, THIS
ENGINEER: JPZ
DIAGRAM MAY NOT SHOW THE EXACT REFERENCE:
COMPONENTS OR CIRCUITRY OF CONTROLS
---------
APPROVED:
HAVING A COMMON CODE NUMBER.
G-14
+15V_ISO
+VM
D30
1A/FR
1K 400V
PWM
Q5-G
Q5
47A
R110 600V
R230-R231
100
DZ14
1K
C75 18V
82uF 0.5W
541
35V
(BLK)
J4-1 J4
R102 1
D31
15
1A/FR
400V
BRAKE
D26
Q9 MOTOR
3A
26A
600V ISO
R118 600V
150 J4
2
DZ15
539
18V
(WH)
26.7K 0.5W
0.1W
R83
D24 C44 0.05
1A/FR 0.1uF
5W
50V
400V
GND
+35V
J4
3
D13 D12
J4
1A/FR 1A/FR
8 SOL
400V 400V
J4
4
CONT
Q3
J4
47A 5
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
155.0V = 5.00V
C66
10K
0.1uF +5SPI
0.063W
50V
J6
14
GND
J6
R94 11
200
J6
R96 13
100 100
0.1W 0.1W 200 J6
Q13
R95 12
0.115A
Q12
200
60V
0.115A
Q14
60V
0.115A
60V
10K 10K
0.063W 0.063W
GND GND
OUTPUT2
J5
R15 4
20
4
5W
5
MOV2
S
150V
6 80J
80J
J5
3
OUTPUT4 +5V
+35V
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
R- 232 X- 14 OCI- 1 T- 2
73 Q- 14 LED- 1 L- 3
C-
.022/50V
MFD ( UNLESS OTHERWISE SPECIFIED)
D- 56 DZ- 18 MOV- 2
1/4W UNLESS OTHERWISE SPECIFIED) LABELS
1A,400V
(UNLESS OTHERWISE SPECIFIED)
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
EARTH GROUND CONNECTION
FLEXIBLE POWER FEEDER PAGE 01 OF 05
SCHEMATIC, CONTROL PCB DOCUMENT DOCUMENT
NUMBER: REVISION:
4745-1H0 A
MATERIAL NA APPROVAL PROJECT G
XX-XX-XXX CRM39801
DISPOSITION: DATE: NUMBER:
lN-25™ prO