LG V-C7050HT Service Manual
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LG V-C7050HT Service Manual

Lg vacuum cleaner service manual
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VACUUM CLEANER

SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"
IN THIS MANUAL.
MODEL: V-C7050NT, V-C7050HT
V-C7070CT, V-C7070CP

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Summary of Contents for LG V-C7050HT

  • Page 1: Vacuum Cleaner

    VACUUM CLEANER SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. MODEL: V-C7050NT, V-C7050HT V-C7070CT, V-C7070CP...

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ... 3 CAUTIONS... 3 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 ... 19 1. THE TYPE OF POWER CORD & PARTS NUMBER ...20 2.

  • Page 3: Safety Precautions

    Do not brush the filter. This will cause permanently damage allowing dust to by-pass the filter. CAUTIONS BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DISCONNECT THE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET. 1. Motor exchange 1) Separate the Body Cover and Body Base by unfastening the screws.

  • Page 4: Description

    • MODEL : REFER TO THE COVER PAGE • 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)

  • Page 5: Disassembly

    DISASSEMBLY NOTE: Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical power supply cord from the wall outlet. • Almost all the parts of this vacuum cleaner can be disassembled with a screw driver and each connecting component easily fits each other.

  • Page 6: Trouble Shooting

    TROUBLE SHOOTING 1. SWITCH ON BUT MOTOR DOES NOT TURN CHECKING CHECK THE POWER SOURCE 2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES CAUSE The fuse is melt down in the coverknife switch. Poor plug insertion Power cord cut Interior lead wire cut Motor(stator, armature) coil cut or damaged.
  • Page 7 3. SWITCH OFF BUT MOTOR TURNS 4. WEAK SUCTION POWER Low rotation speed Motor turns normally, but suction power is weak. Poor connection Poor switch Carbon brush defaced Motor armature cut Foreign matters attached to the impeller Low voltage Hose and extension wands are clogged with foreign matters.
  • Page 8 5. VIBRATION NOISES 6. RADIO, TV RECEPTION DISTURBANCE 7. IMPROPER TUBE OR NOZZLE CONNECTION Loose parts Unbalanced motor assembly Foreign matters are attached to the impeller. Poor carbon brush rectification Armature is cut or foreign matters attached. Poor cord, lead wire Poor rectification of carbon brush Poor electric connector or...

  • Page 9: Block Diagram

    BLOCK DIAGRAM PRESSURE S/W SCHEMATIC DIAGRAM PRESSURE S/W CIRCUIT DIAGRAM POWER S/W 10,1/2W 0.1µF 250V 0.47µF 250V 5.6V PRESSURE 6871FX3078 POWER S/W MAIN LED PWB ASM POWER S/W MAIN LED PWB ASM 1N4007 100GµF LED1 FLICKER CORD REEL ASS'Y MOTOR OPTO-TRIAC 110K TRIAC...
  • Page 10 1/2W LED PWB ASM LED PWB ASM POWER S/W MOTOR 1N4002 PHOTO-TRIAC PHOTO-TRIAC 1.5K 5.6K LED1 2200uF C3198 PRESSURE PRESSURE POWER S/W MAIN MAIN PHOTO-TRIAC PHOTO-TRIAC S/VOL A1015 C3198 1N4148 0.47uF /100V (V-C7050HT) (V-C7050HT) (V-C7050HT) 1/2W 0.1uF 630V 1/2W 1/2W...
  • Page 11 BLOCK DIAGRAM DUST SENSOR PWB ASM HOSE DUST SESM PWB ASM DISPLAY PWB ASM MAIN PRESSURE (V-C7070CT)
  • Page 12 CIRCUIT DIAGRAM (V-C7070CT) GMS81504(T)

  • Page 13: Exploded View

    EXPLODED VIEW 135506 139202 146811 239402 149741 236601 235504 252311 130401 148201 144411 252301 333003 139204 149308 750063 249701 140561 135507 152313 333002 748382 146871 145103 146611 235505...
  • Page 14 135510 135509 V-C7050NT/HT 268712 168711 V-C7050NT 168711 V-C7070CT/CP 268712 268711 168711 V-C7050NT 435506 452003 V-C7050NT/HT 135510 135509 V-C7070CT/CP 150061 250201 249701 V-C7050NT 168711 249011 468011 435506 440361 452003 V-C7070CT 268712 335503 136501 235501 140261 349701 166012 135508 452002 440361 468712 468711...
  • Page 15 452151 436501 449321 449321 435501 452151 652012 552491 652481 652031 652032...
  • Page 16 452151 449321 435501...

  • Page 17: Replacement Parts List

    REPLACEMENT PARTS LIST LOCATION NO. PART NO. 130401 Refer to appendix 135506 3550FI3800A 135507 Refer to appendix 135508 Refer to appendix 135509 Refer to appendix 3550FI3805A 135510 3550FI2513A 136501 Refer to appendix 139202 3920FI3770A 139204 3920FI3769A 140261 Refer to appendix 140561 Refer to appendix 144411...
  • Page 18 LOCATION NO. PART NO. 249011 4901FI3435B 249701 4970FI4724A 250201 Refer to appendix 252301 5231FI3758C 252311 5231FI3767A 6871FX3078A 268712 6871XF3080A 333002 Refer to appendix 333003 Refer to appendix 335503 Refer to appendix 349701 Refer to appendix 435501 3550FI1553A 435506 3550FI3802A 436501 3650FI1485C 440361 4036FI3603A...

  • Page 19: Appendix

    APPENDIX 1. THE TYPE OF POWER CORD & PARTS NUMBER TYPE TYPE OF PLUG CORD REEL ASSY P/NO.(L/NO.146871) 12.7 4687FI1420X Color identification of fuse Brown Yellow Blue...

  • Page 20: Color & Parts Number

    VMC400E5, 230V/50Hz 4681FI12457A VMC420E5, 230V/50Hz 4681FI2456B VMC460E5, 220~230V/50Hz 4681FI2456D VMC460E8, 220~230V/50Hz 4681FI2456E VMC460E9, 240V/50Hz PART NO. 6871FX2136A 6871FX2141A 6871FX2142A 6871FX2145A REMARK V-C7050NT/HT V-C7070CT/CP V-C7070CT/CP V-C7070CT V-C7050NT V-C7050HT REMARK V-C7030NT V-C7040TN/C7045HT V-C7050NT/HT V-C7070CT/CP V-C7070CT/CP 240V/50Hz 110V/60Hz 120V/60Hz REMARK V-C7050NT V-C7050HT/V-C7070CT V-C7050HT V-C7070CT...
  • Page 21 MEMO...
  • Page 22 MEMO...
  • Page 23 December, 2001 P/No. : 3828FI3816A Printed in Korea...

This manual is also suitable for:

V-c7050ntV-c7070cpV-c7070ct

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