Lincoln Electric SVM154-A service manual Board

Page 96

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PC

G-8

 

 

NOTE: Lincoln Electric assumes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOARD

 

machine.

vided for reference only.

1-10139 L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ITEM

 

 

REQ’D

PART NO.

IDENTIFICATION

ASSEMBLY-DISPLAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C 1 , C 2 , C 3 , C 4 , C 9 , C 1 0

 

 

6

S 1 6 6 6 8 - 1 1

. 1 / 5 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C 5 , C 6 , C 7

 

 

 

3

S 1 6 6 6 8 - 6

4 7 0 0 p F / 5 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C 8 , C 1 1

 

 

 

2

S 1 3 4 9 0 - 2 5

4 . 7 / 3 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D 1 , D 2

 

 

 

2

T 1 2 1 9 9 - 1

1 N 4 0 0 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D I S P 1

 

 

 

1

S 1 7 3 9 5 - 1

D I S P L AY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D I S P 2 , D I S P 3 , D I S P 4 , D I S P 5

 

7

S 1 7 3 9 5 - 2

D I S P L AY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D I S P 6 , D I S P 7 , D I S P 8

 

 

 

 

 

 

 

Lincoln Electric discourages board level troubleshooting

no responsibility for liablilities resulting from board level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J 1 0

 

 

 

1

S 2 0 3 8 0 - 9

H E A D E R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J 1 1

 

 

 

1

S 2 0 3 8 0 - 8

H E A D E R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L E D 1 , L E D 2 , L E D 3 , L E D 4 , L E D 5

 

2 3

T 1 3 6 5 7 - 6

R E D L E D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L E D 6 , L E D 7 , L E D 8 , L E D 9 , L E D 1 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L E D 1 1 , L E D 1 2 , L E D 1 3 , L E D 1 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L E D 1 5 , L E D 1 6 , L E D 1 7 , L E D 1 8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L E D 1 9 , L E D 2 0 , L E D 2 1 , L E D 2 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L E D 2 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 2 7

 

8

S 1 9 4 0 0 - 1 0 0 1

1 K 1 / 4 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 9 , R 1 0 , R 1 1 , R 1 2 , R 1 3 , R 1 4 , R 1 5

 

1 2

S 1 9 4 0 0 - 4 7 5 0

4 7 5 1 / 4 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 1 7 , R 1 8 , R 1 9 , R 2 0 , R 2 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 2 3 , R 2 4 , R 2 5

 

 

 

3

S 1 9 4 0 0 - 1 0 0 2

1 0 K 1 / 4 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 2 8 , R 2 9 , R 3 0 , R 3 1

 

 

4

S 1 9 4 0 0 - 1 5 0 1

1 . 5 K 1 / 4 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 3 2 , R 3 3 , R 3 4 , R 3 5 , R 3 6 , R 3 7

 

8

S 1 9 4 0 0 - 1 0 0 0

1 0 0 1 / 4 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 3 8 , R 3 9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X 1 , X 2

 

 

 

2

S 1 5 1 2 8 - 5

+ 5 V R E G .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X 3

 

 

 

1

S 1 7 9 0 0 - 1 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X 4

 

 

 

1

S 1 7 9 0 0 - 8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X 5 , X 6 , X 7 , X 8

 

 

 

4

S 2 0 4 9 6 - 1

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and repair since

troubleshooting.

8.35 ±.04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D. H. DISPLAY

 

 

 

 

8.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L10139-1

 

DISP1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C3

X5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISP2

DISP3

DISP4

 

 

 

 

 

 

 

 

 

 

7.35

 

 

 

 

 

 

 

 

 

 

 

R28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.05

R23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

it may compromise the quality of the design and may result in danger to

PC Board repairs will invalidate your factory warranty. Individual Printed

 

R25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R19

 

 

C7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED1

 

LED2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICAL DIAGRAMS

 

 

 

 

 

 

 

 

 

 

 

 

C4

X6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED3

 

LED4

 

 

LED5

LED6

LED7

DISP5

DISP6

DISP7

DISP8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R29

 

 

 

6.00

 

 

 

 

 

 

 

 

 

 

R17

R18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C5

 

 

 

 

 

 

 

 

 

 

 

5.75

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2

 

 

X4

 

 

C10

X7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.09

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.35 ±.04

 

 

 

 

 

 

 

 

 

LED8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

 

X3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED10

 

 

 

 

 

 

 

 

 

 

 

 

CAPACITORS = MFD/VOLTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R11

R3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTORS = OHMS, 1/4 WATT (UNLESS OTHERWISE SPECIFIED)

 

 

 

 

LED11

 

 

 

 

 

 

R10

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R9

R1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R26

R27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R15

R7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C9

 

 

 

 

R31

 

R14

R6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED12

 

X8

 

 

 

R13

R5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R12

R4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED18

R20

R30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED13

 

 

 

 

 

LED19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED14

C8

X2

C11

 

X1

LED20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED15

 

 

 

 

LED21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1

 

 

D2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED16

 

 

 

 

 

LED22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R36 R37 R38 R39

R35 R34

R33

R32

 

 

 

N.D.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED23 J10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.25

 

 

J11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the Machine Operator or Technician.

Circuit Board Components are not

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.25

 

 

 

 

 

 

 

 

3.80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

4.05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAKE PER E1911

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENCAPSULATE WITH E1844

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST PER E3670-DP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper PC board repairs could

available from Lincoln Electric.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

result in damage

This information

 

 

 

 

 

 

 

 

 

 

 

 

 

Ch’ge. Sht. No.

 

 

 

 

 

EQUIP.

DUAL FEEDERS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XA

 

 

THE LINCOLN ELECTRIC CO. TYPE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5-2-97

 

 

CLEVELAND, OHIO U.S.A.

SUBJECT

DISPLAY P.C. BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11-20-98G

 

 

 

SCALE FULL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-21-2000B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DR MJH

DATE 7/24/96

 

REF. L9122-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHK

SUP’S’D’G

NO. L 10139-1

 

 

 

to the

is pro-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LN-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G-8

Image 96
Contents SVM154-A ISAFETYi Safety Fumes and GasesWelding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Installation Table of Contents Installation SectionTechnical Specifications LN-10 Head & Control General DescriptionSafety Precautions Installation of the LN-10 Boom Mount Wire Feeder ComponentsMounting the 10 Series Wire Drive Recommended Processes and EquipmentMounting Synergic 7F Wire Drive Unit K679-1 or Connecting Wire Drive Unit to Control BoxMounting the LN-10 Control Box Wire Drive Speed Range Selection Control Speed Range SettingSeries Wire Drive Ratio Selection Electrode RoutingWire Feed Drive Roll Kits Procedure to Install Drive Roll and Wire GuidesSeries Wire Drive Roll Kit Installation KP1505 and KP1507 Synergic 7F Wire Drive 4-Roll Kits KP655 and KP656GUN and Cable Assemblies with Standard Connection GUN and Cable Assemblies with FAST-MATE ConnectionGmaw Guns Innershield Guns8INSTALLATIONA-8 Series Wire Drive Water Connections for Water Cooled GunsCylinder may explode if damaged Buildup of Shielding GAS may harm health or killElectrical Installation Input Cable LN-10 Control to Power SourceOptional Features Installation Boom and Bench ConversionsMaterials Required for bench to boom conversion Materials Required for boom to bench conversionTable of Contents Operation Section OperationLN-10 Control DIP Switch Setup Setting the DIP SwitchesWire Drive Head Selection Setup DIP Switch AccessWelding Power Source Selection Step Trigger Mode Operation Selection Security Mode SelectionMetric/English Wire Feed Speed Display Selection S2 switch 1 on = m/minMaximum Limits Setting Mode Selection S2 switch 4 on = Robotics mode onS2 switch 6 on Minimum Limits Setting mode on S2 switch 4 OFF = Robotics mode OFF As shippedPower-Down Save Procedure Lights Indicate whichKeypad and Display Operation Keypad and Display DescriptionTrigger Mode Selection Display Control Keys Control Control Select key enables operator to Digital Memory VoltmeterMaximum and Minimum Limits Setting Modes Dual Procedure Remote Wire Reel Loading READI-REELS Spools or CoilsFigure B.2 Procedure for Setting Angle of Feedplate GAS Guard Regulator SettingMaking a Weld Wire Reel Changing Wire Feed Overload ProtectionGrounding Lead Protector DH-10Explanation of Prompting Error Messages Display Prompt or ErrorAccessories Table of Contents Accessories SectionTable C.1 LN-10 Wire Feeder Accessories GeneralWire Size Solid Steel Electrode Cored ElectrodeAluminum Electrode Aluminum Electrode For use with Binzel Guns OnlyK683-1 Dual Procedure Switch K683-3 Dual Procedure SwitchK1449-1 Dual Procedure Input Cable AssembliesK1558-1 Remote Switch Interface Module GUN Adapters for 10 SeriesGUN and Cable Assemblies K1561-1 Robotics Interface ModuleK1557-1 Swivel Mount K1556-1 Light Duty Caster KITK1555-1 Insulated Lift Hook Maintenance Table of Contents Maintenance SectionMaintenance Avoiding Wire Feeding Problems Safety PrecautionsRoutine Maintenance Periodic MaintenanceFigure D.1 Major Component Locations Table of Contents Theory of Operation Section Theory of OperationControl Board Input RECEPTACLE, Control Board and Operator Controls Wire Feed Head Receptacle Figure E.3 LN-10 Wire Feed Head and ReceptacleWire Feed Overload Loss of Voltage Sense Protection Shutdown Theory of Operation Protection and ShutdownLN-10 Troubleshooting and Repair Table of Contents Troubleshooting and Repair SectionHOW to USE Troubleshooting Guide Return to Return to Master TOCPC Board Troubleshooting Procedures LN-10 Troubleshooting Guide Function ProblemsFunction Problems Power Source Selection Function Problems Mode Selection Perform the Encoder Board Test Troubleshooting and Repair Mum and minimum limit set Perform the Gas Solenoid Test Feeding Problems Welding Problems LN-10 Test Procedures Wire Drive Motor TestTest Description Materials NeededWire Drive Motor Test Test ProcedureTach Adjustment and Feedback Test Materials Needed20TROUBLESHOOTING and REPAIRF-20 Tach Adjustment and Feedback TestTach Adjustment Procedure LN-10 Keypad Resistance Test 24TROUBLESHOOTING and REPAIRF-24 Keypad Resistance TestControl Ohms 50 Ohms Typical LN-10 Encoder PC Board Test Encoder PC Board Test Figure F.4 Encoder PC Board TestGAS Solenoid Test 30TROUBLESHOOTING and REPAIRF-30 GAS Solenoid TestComponent Replacement Procedures Display PC Board Removal and Replacement32TROUBLESHOOTING and REPAIRF-32 Display PC Board Removal and ReplacementRemoval Procedure Replacement ProcedureGAS Solenoid Removal and Replacement 34TROUBLESHOOTING and REPAIRF-34 GAS Solenoid Removal and ReplacementEncoder PC Board Removal and Replacement Encoder PC Board Removal and Replacement Figure F.8 Encoder PC Board Removal and ReplacementWire Drive Motor and Gear BOX Removal and Replacement Wire Drive Motor and Gear BOX Removal and Replacement Figure F.9 Wire Feed Assembly RemovalTo Remove the Wire Drive Assembly from the Gear BOX To Remove the Drive Motor from the Gear BOXReplacement Procedures Current Sensing Reed Switch Removal and Replacement Current Sensing Reed Switch Plug Check Wire Feed Speed Range Retest After RepairElectrical Diagrams Section Electrical Diagrams Wiring Diagram LN-10 ControlWiring Diagram LN-10 Wire Drive Electrode Cable From Current SensorSchematic Control PC Board #1 Schematic Control PC Board #2 Circuitry TachPC Board ASSEMBLY-CONTROL 3168 GSchematic Display PC Board 5VABoard Schematic Encoder PC Board 22066PC Board ASSEMBLY-ENCODER EncoderSVM Error Reporting Form

SVM154-A specifications

The Lincoln Electric SVM154-A is a powerful and versatile inverter-based welding machine designed for a wide range of applications. As a part of Lincoln Electric's esteemed portfolio, this model is particularly favored for its robust performance and cutting-edge technologies, making it ideal for both professional fabricators and hobbyists alike.

One of the standout features of the SVM154-A is its compact and lightweight design, which enhances portability without compromising power. Weighing significantly less than traditional welding machines, it allows welders to easily transport the equipment to various job sites. This feature is particularly beneficial in industries where mobility is essential.

Equipped with advanced inverter technology, the SVM154-A delivers a stable and smooth arc, providing consistent welding performance even in challenging conditions. The inverter design also contributes to energy efficiency, allowing users to save on operational costs while enjoying superior performance. The machine supports both MIG and TIG welding processes, which adds to its versatility. This adaptability makes it suitable for a range of materials including mild steel, stainless steel, and aluminum.

Another notable characteristic is its user-friendly interface. Designed with the welder in mind, the SVM154-A includes intuitive controls that simplify settings adjustments and operational processes. This ergonomic layout allows for ease of use, even for beginners, while still offering the adjustments that experienced welders appreciate for customizing their welds.

The SVM154-A also includes several safety features, such as thermal overload protection and a dynamic power control, ensuring safe operation while maintaining high productivity. Users benefit from features that protect both the machine and the operator, making it a reliable choice for long hours of work.

Moreover, Lincoln Electric's commitment to durability is evident in the SVM154-A's construction. Built with high-quality materials, this welding machine is designed to withstand the rigors of daily use, ensuring longevity and reliability over time.

In summary, the Lincoln Electric SVM154-A stands out for its portability, versatility, and user-centric design. With advanced inverter technology that promotes energy efficiency and a stability for various welding processes, it serves as a valuable tool for both professionals and hobbyists seeking to achieve high-quality welds across different applications. Its combination of advanced features, safety mechanisms, and rugged durability positions the SVM154-A as a top choice in the welding equipment market.