Lincoln ElectricメーカーSVM100-Aの使用説明書/サービス説明書
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SQU ARE W A VE TIG 255 SER VICE MANUAL Sales and Service through Subsidiaries and Distributors Worldwide 22801 St. Clair Ave. Cleveland, Ohio 44117-1199 U.
i SAFETY SQUARE WAVE TIG 255 PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING.
ii SQUARE WAVE TIG 255 SAFETY FOR ELECTRICALL Y powered equipment. 6.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 6.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s recommendations.
iii SAFETY SQUARE WAVE TIG 255 Mar. ‘93 ELECTRIC AND MAGNETIC FIELDS may be dangerous 8.a. Electric current flowing through any conductor causes localized Electric and Magnetic Fields (EMF). Welding current creates EMF fields around welding cables and welding machines 8.
iv SAFETY SQUARE WAVE TIG 255 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suivantes: Sûreté Pour Soudage A L’Arc 1.
MASTER T ABLE OF CONTENTS FOR ALL SECTIONS Page Safety .........................................................................................................................i-iv Installation .........................................................
Installation .......................................................................................................Section A Technical Specifications ........................................................................................A-1 Input and Output Specifications Cable and Fuse Sizes Physical Dimensions Location .
A-1 INST ALLA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to .
A-2 INST ALLA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Read entire installation section before starting installation.
A-3 INST ALLA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC 4. Keep the torch in good repair and all connections tight to reduce high frequency leakage.
A-4 INST ALLA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to .
A-5 INST ALLA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC DO NOT operate a water-cooled torch unless water is flowing.
Operation ..........................................................................................................Section B Safety Precautions .................................................................................................B-1 Graphic Symbols .
B-1 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet clothing.
B-2 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mast.
B-3 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mast.
B-4 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC • Welding current limit can be preset from 5 to 315 amps and is displayed on the Ammeter when not welding.
B-5 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC • Strain relief holes in base for welding cables, gas and water hoses and control cables.
B-6 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC 4. AC WAVE BALANCE: These keys are active in the AC TIG mode only.
B-7 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A. AC/DC INDICATOR: This symbol represents the output polarity of the 255 .
B-8 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TABLE B.
B-9 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC 5. Select Continuous High Frequency if welding with AC polarity, or Start Only High Frequency if welding with DC- polarity.
B-10 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC 5. Select Continuous High Frequency if welding with AC polarity, or Start Only High Frequency if welding with DC- polarity.
B-1 1 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Up/Down. Adjustment of the pulses per second (pulse frequency), allows for control of the heat input into the work piece.
B-12 OPERA TION SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
B-13 NOTES SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master T.
SQUARE WAVE TIG 255 Accessories ......................................................................................................Section C Available Option and Accessories .........................................................................C-1 Undercarriage Function .
C-1 ACCESSORIES SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Maintenance .....................................................................................................Section D Safety Precautions .................................................................................................D-1 Routine and Periodic Maintenance .
D-1 MAINTENANCE SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRIC SHOCK can kill. • Only qualified personnel should perform this maintenance.
D-2 MAINTENANCE SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FIGURE D.1 - GENERAL ASSEMBLY EXPLODED VIEW 1, MAIN TRANSFORMER 5.
D-3 NOTES SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TO.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SQUARE WAVE TIG 255 Theory of Operation Section ...........................................................................Section E Power Supply Operation ...........
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-1 THEO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-2 THEO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-3 THEO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-4 THEO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-5 THEO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-6 THEOR Y OF OPERA TION A silicon controlled rectifier (SCR) is a three terminal device used to control rather large currents to a load.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-7 THEOR Y OF OPERA TION A thermostat protects the machine from excessive operating temperatures.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SQUARE WAVE TIG 255 Troubleshooting & Repair Section ................................................................Section F Safety Precautions .................
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-1 TROUBLESHOOTING & REP AIR This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-2 TROUBLESHOOTING & REP AIR CAUTION: Sometimes machine failures appear to be due to PC board failures.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-3 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-4 TROUBLESHOOTING & REP AIR Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-5 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-6 TROUBLESHOOTING & REP AIR Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-7 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-8 TROUBLESHOOTING & REP AIR Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-9 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-10 TROUBLESHOOTING & REP AIR Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-1 1 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-12 TROUBLESHOOTING & REP AIR Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-13 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SQUARE WAVE TIG 255 F-14 TROUBLESHOOTING & REP AIR Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-15 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-16 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-17 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-18 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-19 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-20 TROUBLESHOOTING & REP AIR PROTECTION/SNUBBER BOARD CONTINUITY TEST TEST DESCRIPTION Many circuits pass through the protection/snubber board.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-21 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-22 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-23 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-24 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-25 TROUBLESHOOTING & REP AIR ARC ST ART TRIGGER CIRCUIT TEST (continued) PROTECTION/SNUBBER L9255 J10 J11 J12 J13 J14 J15 10J12 3J12 3J13 11J13 6.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-26 TROUBLESHOOTING & REP AIR ST A TIC SCR TEST TEST DESCRIPTION The Static SCR Test is a quick check to determine if an SCR is shorted or “leaky”.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-27 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-28 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-29 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-30 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-31 TROUBLESHOOTING & REP AIR NORMAL OPEN CIRCUIT VOL T AGE W A VEFORM DC STICK MODE CAUTION HIGH VOL T AGE / HIGH FREQUENCY can damage test equipment.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-32 TROUBLESHOOTING & REP AIR NORMAL OPEN CIRCUIT VOL T AGE W A VEFORM AC STICK MODE CAUTION HIGH VOL T AGE / HIGH FREQUENCY can damage test equipment.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-33 TROUBLESHOOTING & REP AIR NORMAL OPEN CIRCUIT VOL T AGE W A VEFORM DC TIG MODE CAUTION HIGH VOL T AGE / HIGH FREQUENCY can damage test equipment.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-34 TROUBLESHOOTING & REP AIR NORMAL OPEN CIRCUIT VOL T AGE W A VEFORM AC TIG MODE CAUTION HIGH VOL T AGE / HIGH FREQUENCY can damage test equipment.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-35 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-36 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-37 TROUBLESHOOTING & REP AIR TYPICAL SCR GA TE VOL T AGE W A VEFORM CAUTION HIGH VOL T AGE / HIGH FREQUENCY can damage test equipment.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-38 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-39 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-40 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-41 TROUBLESHOOTING & REP AIR F AN MOTOR AND BLADE REMOV AL (continued) TEST PROCEDURE 1.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-42 TRO.
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-43 TROUBLESHOOTING & REP AIR SCR HEA T SINK ASSEMBL Y REMOV AL (continued) TEST PROCEDURE 1.
11 / 94 SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC .
SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-45 TRO.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SQUARE WAVE TIG 255 Electrical Diagrams .........................................................................................Section G Control PC Board (G2150) Components .
G-2 ELECTRICAL DIAGRAMS SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting.
G-3 ELECTRICAL DIAGRAMS SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting.
G-4 ELECTRICAL DIAGRAMS SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC X19 IC-UNDERVOLTAGE-SENSING,RESET, MCU X10 IC-CMOS,INVERTER,SCHMITT, HEX,HC14A C65,C66 CAPACITOR-TAEL,4.
G-5 NOTES SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TO.
G-6 SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting.
G-7 SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting.
G-8 NOTES SQUARE WAVE TIG 255 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TO.
G-9 ELECTRICAL DIAGRAMS SQUARE W A VE TIG 255 231 TO GROUND PER NATIONAL ELECTRIC CODE 229 PIEZO BUZZER (+) (-) C1 (1,3) (1,2) (1,1) (2,2) (2,1) (3,1) (4,1) (4,2) (5,1) (5,2) TO KEYPAD MATRIX X1 240 230 230D 230B 50/60 HZ 237 238 236A C2 232 230C MACHINES ONLY 230E 236 235 232B 229A 239A 239 235A 238A R3 R4 52A CLEVELAND, OHIO U.
Return to Section TOC Retur n to Section TOC Retur n to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC G-10 ELECTRICAL DIAGRAMS S.
G-11 ELECTRICAL DIAGRAMS SQUARE W A VE TIG 255 CONTROL BOARD SCHEMA TIC — SQUARE W A VE TIG 255 (G2150) D46 100 R14 1.00K R113 +15V IOGND J5 1 SCR GATE 100V 1A Q6 J5 3 J8 11 16VAC AUX SCR3 AUX SCR3 windings ) ( 1 of 5 XFMR secondary J8 5 SCR CATHODE 1.
G-12 ELECTRICAL DIAGRAMS SQUARE W A VE TIG 255 CONTROL BOARD SCHEMA TIC — SQUARE W A VE TIG 255 (cont’d) (G2150) N+5V LGND ROW 5 130 8.0MHz Y1 1.00M R71 1K R87 100V 22p C22 4.75K R81 4.75K R210 1.0 35V C23 C20 GND RES IN X19 50V 0.1 C33 C5 J6 10 +15V 475 R83 D39 D34 IOGND 18 15V C16 D7 L+5V J6 11 J6 3 D0-D7 D4 D6 C25 D5 D0 1K R84 D3 X32 4 1.
G-13 ELECTRICAL DIAGRAMS SQUARE W A VE TIG 255 PROTECTION/SNUBBER BOARD SCHEMA TIC — SQUARE W A VE TIG 255 (L9255) A NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty .
G-14 ELECTRICAL DIAGRAMS SQUARE W A VE TIG 255 KEYP AD LED BOARD — SQUARE W A VE TIG 255 (L9212) NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty .
デバイスLincoln Electric SVM100-Aの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Lincoln Electric SVM100-Aをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはLincoln Electric SVM100-Aの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Lincoln Electric SVM100-Aの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Lincoln Electric SVM100-Aで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Lincoln Electric SVM100-Aを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はLincoln Electric SVM100-Aの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Lincoln Electric SVM100-Aに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちLincoln Electric SVM100-Aデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。