LG V-C7050HT Service Manual Download Page 2

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CONTENTS

SAFETY PRECAUTIONS

......................................................................................................................... 3

CAUTIONS

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DESCRIPTION

.......................................................................................................................................... 4

SPECIFICATIONS

..................................................................................................................................... 4

DISASSEMBLY

......................................................................................................................................... 5

TROUBLE SHOOTING

..............................................................................................................................6

BLOCK DIAGRAM

.....................................................................................................................................9

SCHEMATIC DIAGRAM

............................................................................................................................9

CIRCUIT DIAGRAM

.................................................................................................................................. 9

EXPLODED VIEW

...................................................................................................................................13

REPLACEMENT PARTS LIST

.................................................................................................................17

APPENDIX

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1. THE TYPE OF POWER CORD & PARTS NUMBER

.................................................................................19

2. COLOR & PARTS NUMBER

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3. MOTOR & PWB ASSY PARTS NUMBER

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Summary of Contents for V-C7050HT

Page 1: ...VACUUM CLEANER SERVICE MANUAL MODEL V C7050NT V C7050HT V C7070CT V C7070CP CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Page 2: ... SPECIFICATIONS 4 DISASSEMBLY 5 TROUBLE SHOOTING 6 BLOCK DIAGRAM 9 SCHEMATIC DIAGRAM 9 CIRCUIT DIAGRAM 9 EXPLODED VIEW 13 REPLACEMENT PARTS LIST 17 APPENDIX 19 1 THE TYPE OF POWER CORD PARTS NUMBER 19 2 COLOR PARTS NUMBER 20 3 MOTOR PWB ASSY PARTS NUMBER 20 ...

Page 3: ...permanently damage allowing dust to by pass the filter 3 Avoid suction such materials as 1 Liquid or wet dust Clogs the ventilation holes reduces the suction power significantly and harms the motor 2 Inflammable liquids such as benzene alcohol or solvents 3 Burning objects such as cigarette butts 4 Bulky objects such as vinyl paper etc 5 Sharp objects such as needles pins metal glass particles etc...

Page 4: ...GE POWER SOURCE ON RATING PLATE POWER CONSUMPTION ON RATING PLATE POWER CONTROL MAIN SLIDE CONTROL F HOSE V C7050HT MICOM CONTROL F HOSE V C7070CT PUSH ON OFF BODY V C7050NT SUB VACUUM POWER ADJUSTMENT BY SLIDE KNOB V C7050NT CORD LENGTH 7m HOSE LENGTH 1 8m NET WEIGHT 5 3Kg PACKING WEIGHT 8 4Kg NET DIMENSION 290 443 311 W D H mm PACKING DIMENSION 330 567 385 W D H mm ATTACHMENTS HOSE 1EA TELESCOPI...

Page 5: ...eaner disconnect the electrical power supply cord from the wall outlet Motor Ass y Cord Reel Ass y 1 Body Cover Assembly Replacement 1 Remove the dust tank from the set 2 Remove the four screws fastening the body base 2 Bring out the motor and disconnect the lead wires from it 3 Cord Reel Assembly Replacement 1 Remove the cord reel cover by unfastening the screw 2 Lift the cord reel assembly from ...

Page 6: ...again Power cord cut Repair or exchange Interior lead wire cut Exchange the lead wire Motor stator armature coil cut or damaged Exchange the motor Poor contact carbon brush defaced Exchange or repair the motor Poor switch contact point Exchange the switch Motor armature cut Exchange the motor Ball bearing defacement Exchange the motor Impeller hindrance Caused by foreign matters Remove the foreign...

Page 7: ... extension wands are clogged with foreign matters Remove the foreign matters in the hose or extension wands The slide knob on the handle is opened or the control knob is located on weak position Close the slide knob by sliding it Regulate the knob The motor filter is clogged Clean the motor filter The exhaust filter is clogged Exchange the exhaust filter Poor connection Repair Poor switch Low rota...

Page 8: ...ush rectification Exchange the motor Poor cord lead wire Exchange cord lead wire Poor rectification of carbon brush Exchange the motor Poor electric connector or receiver Repair the electric connector or receiver Poor capacitor Exchange the capacitor Bent connection parts Exchange the parts Poor connection Caused by foreign matters Remove the foreign matters and reconnect Armature is cut or foreig...

Page 9: ...µF 250V C5 0 1µF 250V C2 0 1µF 250V R1 100 1 2W C4 100GµF 16V R6 10 1 2W D1 1N4007 Q1 C3198 FLICKER C3 OPTO TRIAC 1 6 2 4 PRESSURE S W LED1 6871FX3078 POWER S W ZD1 5 6V R11 470 R7 3K R9 470 R3 110K R10 3 9K 1 2W R2 33 1 2W R4 33 1 2W DIAC T1 G TRIAC T2 R8 1K T P POWER S W PRESSURE S W BR GY GY BR BK GY RD RD BL BL LED PWB ASM M MAIN PWB ASM T P CIRCUIT DIAGRAM V C7050NT ...

Page 10: ... 5 6K R13 1K C4 2200uF 16V Q3 C3198 C3 0 47uF 100V D6 1N4002 R11 390 IC2 R14 100 R9 100 R15 12K S VOL R5 100 D5 1N4148 Q2 A1015 Q1 C3198 R7 13K R6 18K IC1 R4 11K R3 470 1 2W C2 0 1uF 630V T2 T1 G R1 100 1 2W R2 330 1 2W VR 20K R8 1K LED1 M TRANS TRANS PRESSURE S W PRESSURE S W PHOTO TRIAC PHOTO TRIAC PHOTO TRIAC PHOTO TRIAC T P LED PWB ASM SLIDE VOLUME PRESSURE S W POWER S W SUB PWB ASM MAIN PWB A...

Page 11: ...11 BLOCK DIAGRAM V C7070CT DISPLAY PWB ASM SUB PWB ASM PRESSURE S W DUST SENSOR PWB ASM HOSE PWB ASM DUST SESM PWB ASM MAIN PWB ASM RD RD BL BL T P ...

Page 12: ...BD R9 470K 0 1uF C6 Q1 C3198 R7 4 7K 0 01uF C7 IC3 17 9 1 1 5V 12V 7042 25V C13 0 1uF 470K 1 2W R10 R10 1 470K 1 2W 1 2W R65 AN5 R64 AN4 CN6 0 01uF 25V 2 1 CN7 0 1uF 10K R24 C12 C10 10 10K R23 11 R16 CN5 0 1uF C20 30K 1 2K R17 R24 S W4 R22 R23 S W2 S W3 4 3K 2 2K R21 S W1 11K 1 2K 10K R25 R41 12 KRC107M R44 6 Q4 KRC107M R45 5 Q5 KRC107M R46 4 Q6 2 7K R13 1 5K R14 1 0K R15 1 2 3 4 CN1 PRESSURE S W ...

Page 13: ...13 EXPLODED VIEW 152313 140561 249701 135507 146871 139204 252301 149741 146611 145103 333002 748382 135506 333003 139202 146811 239402 130401 148201 144411 149308 750063 235505 252311 235504 236601 ...

Page 14: ...261 349701 135508 166012 249011 452002 250201 249701 168711 268712 268712 168711 135510 135509 268711 440361 468011 452003 435506 440361 468712 468711 452003 435506 V C7070CT CP V C7050NT V C7050NT HT V C7070CT CP V C7050NT V C7050NT V C7050NT HT V C7070CT 268712 ...

Page 15: ...15 452151 652012 436501 449321 552491 652031 652032 652481 452151 449321 435501 ...

Page 16: ...16 452151 449321 435501 ...

Page 17: ...to appendix LEVER CORD WINDING 146611 Refer to appendix WHEEL ASS Y 146811 Refer to appendix MOTOR ASS Y VC 146871 4687FI1420X CORD REEL ASS Y 148201 4820FI2391A BUMPER BODY 149308 Refer to appendix HOLDER PLUG 149741 4974FI2396A GUIDE EXHAUST 150061 5006FI3691A CAP HANDLE 152313 5231FI3768A FILTER ASS Y CLEAN 166012 6601FI3488A SWITCH ASS Y PRESSURE 168711 Refer to appendix PWB PCB ASS Y MAIN 168...

Page 18: ... COVER TERMINAL 436501 3650FI1485C HANDLE GRIP 440361 4036FI3603A SEAL PIPE 449321 4932FI2364D CONNECTOR MECH HOSE ASM V C7050NT HT 4932FI2723A V C7070CT CP 452002 5200FI2480A PIPE CONNECTOR 452003 Refer to appendix PIPE CONNECTOR H 452151 5215FI1315E HOSE ASS Y FLEXIBLE 468711 6871FX3077A PWB ASS Y SENSOR V C7070CT CP 468712 6871FX3077B PWB ASS Y SENSOR V C7070CT CP 552491 5249FI1399C NOZZLE ASS ...

Page 19: ...X 1 THE TYPE OF POWER CORD PARTS NUMBER TYPE A 1 S 1 C 2 C 1 B 3 4687FI1420X TYPE OF PLUG CORD REEL ASSY P NO L NO 146871 17 12 7 19 19 4 8 19 19 4 17 6 3 Color identification of fuse Brown Yellow Blue 13A 5A 3A ...

Page 20: ...50FI1486B 3650FI1486B V C7050NT HT 3651FI1309A 3651FI1309C V C7070CT CP 140261 LATCH COVER 4026FI3669B 4026FI3669A 4026FI3669D 140561 LOCKER DUST CAP 4056FI3648D 4056FI3648D 4056FI3648D 145103 LEVER CORD WINDING 4510FI3598B 4510FI3598B 4510FI3598E 146611 WHEEL ASS Y 4661FI3613B 4661FI3613B 4661FI3613E 148201 BUMPER BODY 4820FI2391B 4820FI2391B 4820FI2391E 149308 HOLDER PLUG 4930FI2448B 4930FI2448B...

Page 21: ...21 MEMO ...

Page 22: ...22 MEMO ...

Page 23: ...P No 3828FI3816A December 2001 Printed in Korea ...

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