Electrical diagrams, G-23, Item identification – Lincoln Electric INVERTEC V300-PRO SVM105-B User Manual
Page 115
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 available from Lincoln Electric. This information is pro-
vided 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.
ELECTRICAL DIAGRAMS
G-23
V300 PRO
PC BOARD ASSEMBLY - PROTECTION - (L7915-2)
G-23
52
53
14
H5
51
Item
Identification
B5, B14, B51, B52, B53
CONNECTOR, tab 1/4”
C1, C3, C4, C5, C6
CAPACITOR, ceramic
C2
CAPACITOR, tantlm etc.
27
µ
f 35VDC
D1, D3, D4, D5, D6, D7
DIODE, 1A 400V
D8
DIODE, 1A 1000V
DZ1
DIODE, IN4740 Zener 10V 1W
J8
RECEPTACLE, Molex mini 4 pin
J15
RECEPTACLE, Molex mini 6 pin
OCI1, OCI2, OCI3, OCI4
OPTO, Isolator CNY17-3
P8 (plugs into J8)
PLUG HOUSING, Molex mini 4 pin
P15 (plugs into J15)
PLUG HOUSING, Molex mini 6 pin
R1, R2
RESISTOR, MF .25W 1% 681K
ohm
R3, R13, R16
RESISTOR, MF .25W 1% 1.82K
ohm.
R4, R5, R11, R12
RESISTOR, MF .25W 1% 150K
ohm
R6, R8, R9, R10, R27
RESISTOR, MF .25W 1% 56.2K
ohm
R7, R20
POTENTIOMETER, Cermet trmr
.25W 1% 5K ohm
R14
RESISTOR, MF .25W 1% 100K
ohm
R15
RESISTOR, MF .25W 1% 475
ohm
R18, R26, R28, R32
RESISTOR, MF .25W 1% 10K
ohm
R19
RESISTOR, MF .25W 1% 3.32K
ohm
R21, R23, R24, R25,
RESISTOR, MF.25W 1% 15K
R29, R30, R31, R33
ohm
R22
RESISTOR, MF .25W 1% 332K
ohm
R34, R36
RESISTOR, MF .25W 1% 276K
ohm
R35, R37
RESISTOR, MF .25W 1% 332
ohm
TERMINALS (P8, P15)
TERMINALS, Molex mini
X1
QUAD OP-AMP
X2
VOLTAGE REGULATOR, linear
7805 5VDC
NOTE: Individual parts listed are not available from Lincoln Electric.