LG V-C7050HT Manuale utente

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.

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

2. COLOR & PARTS NUMBER..................................................................................................................20

3. MOTOR & PWB ASSY PARTS NUMBER ................................................................................................20

BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY,

AND OBSERVE EACH POINT CAREFULLY.

BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DISCONNECT

THE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.

1. Motor filter(Air Cleaner)

1) This filter is reusable.

2) Never use the vacuum cleaner without filter.

It may damage the motor.

3) When the light of body is on, wash the motor filter

with water and brush.

4) Even if the light is not on, wash the motor filter at

least once 6 months.

NOTE : Reusing of the motor filter.

Never wash the filter in a washing machine or in a

dishwasher.

Never use hot water for washing the filter.

Reuse the filter after drying it completely in the

shade for a day.

Do not dry near fire or direct sunray.

2. Exhaust filter(Washable HEPA filter)

1) This filter is reusable HEPA filter.

2) For clean air, theis filter must be assembled.

3) Wash the exhaust filter with water once a year.

NOTE : Reusing of the exhaust filter.

Never wash the filter in a washing machine or in a

dishwasher.

Never use hot water for washing the filter.

Reuse the filter after drying it completely in the

shade for a half day.

Do not dry near fire or direct sunray.

Do not brush the filter. This will cause 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.

4. Attachments

• Nozzle : For cleaning wooden floor, the room floor

and carpet.

• Dusting Brush and Crevice Tool:

For cleaning any crevice, inside corners of window

frames.

For delicate vacuuming of fabrics on the furniture,

curtains, etc.

• Upholstery Nozzle : For vacuuming the dust on the

upholstery.

However, do not use the crevice tool more than 20

minutes because it may cause harm to the motor.

5. Close supervision is necessary when this

vacuum cleaner is used by or near children.

Children’s carelessness may cause damage to

the cleaner or injure persons.

6. Air exhausted from the vacuum cleaner is

normally warm. But if extraordinarily hot air is

exhausted, check if the telescopic tube, hose or

clean filter is clogged or not.

7. Electric shock could occur if used outdoors or

on wet surfaces.

1. Motor exchange

1) Separate the Body Cover and Body Base by

unfastening the screws.

2) After disconnecting the lead wires, replace the old

motor with a new one.

2. In case of exchanging other parts. refer to the

exploded view.

SAFETY PRECAUTIONS

CAUTIONS

DESCRIPTION

SPECIFICATIONS

Telesscopic

Pipe ASS'Y

Flexible Hose ASS'Y

ATTACHMENTS

Power Cord

Filter Cover

Nozzle ASS'Y

Cord Reel Button

Dust Tank

UPHOLSTERY NOZZLEDUSTING BRUSH & CREVICE TOOL BRUSH ASS'Y

This specifications are subject to change according to the buyer’s request.

•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)

- 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

TELESCOPIC PIPE ASSY ................................ 1EA

NOZZLE ASSY.................................................. 1EA

DUSTING BRUSH & CREVICE TOOL.............. 1EA

UPHOLSTERY NOZZLE ................................... 1EA

BRUSH ASS'Y................................................... 1EA

CANISTER

•

Almost all the parts of this vacuum cleaner can be

disassembled with a screw driver and each connecting

component easily fits each other.

Disassemble one by one referring to the exploded view.

•If possible, don’t disassemble except for the

necessary parts. It is not necessary to disassemble

the parts that are not detailed in the exploded view.

DISASSEMBLY

NOTE: Before attempting to service or adjust any part of the vacuum cleaner, 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 the body base.

3) Disassemble the filter cover, widening the both of

filter cover, and then pull out the lead wires from

the push switch.

2. Motor Assembly Replacement

1) Unhook the motor housing cover in the direction

of the arrow.

TROUBLE SHOOTING

1. SWITCH ON BUT MOTOR DOES NOT TURN

2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES

CHECKING

CHECK THE POWER

SOURCE

The fuse is melt down in the

coverknife switch.

Exchange the fuse.

Poor plug insertion Insert 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 matters.

CAUSE SOLUTION

3. SWITCH OFF BUT MOTOR TURNS

4. WEAK SUCTION POWER

Carbon brush defaced Exchange the carbon brush

or the motor.

Motor armature cut Exchange the motor.

Foreign matters attached to

the impeller Remove the foreign matters.

Low voltage Inquire to the power utility

company.

Hose and 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 rotation speed

Motor turns normally,

but suction power is weak.

Exchange the switch.

5. VIBRATION NOISES

6. RADIO, TV RECEPTION DISTURBANCE

7. IMPROPER TUBE OR NOZZLE CONNECTION

Loose parts Secure firmly.

Unbalanced motor assembly Exchange or repair the motor.

Foreign matters are attached

to the impeller. Remove the foreign matters.

Poor carbon brush 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 foreign

matters attached.

Exchange the motor

Remove foreign matters.

BLOCK DIAGRAM (V-C7050NT)

SCHEMATIC DIAGRAM (V-C7050NT)

PRESSURE S/W

POWER S/W CORD REEL ASS'Y

LED PWB ASM

MOTOR

PLUG

MAIN

PWB

ASM

BK GY

BR BR

T/P

0.47µF

250V

0.1µF

250V

0.1µF

250V

100

1/2W

100GµF

16V

10,1/2W D1

1N4007

C3198

FLICKER

OPTO-TRIAC

PRESSURE

S/W

LED1

6871FX3078

POWER S/W

ZD1

5.6V

R11

470

3K R9

470

110K

R10

3.9K

1/2W

1/2W R4

1/2W

DIAC

TRIAC

T/P

POWER S/W

PRESSURE S/W

BK GY

LED PWB ASM

MAIN

PWB

ASM

T/P

CIRCUIT DIAGRAM (V-C7050NT)

BLOCK DIAGRAM (V-C7050HT)

SCHEMATIC DIAGRAM (V-C7050HT)

PRESSURE S/W

SLIDE VOLUME

HOSE

POWER S/W

LED PWB ASM

SUB

PWB

ASM

MAIN

PWB

ASM

BR BR

T/P

POWER

S/W

MOTOR

BD1

0.47uF

/AC250

470K

1/2W

R10-1

470K

1/2W

R16

1.5K

R12

5.6K

R13

2200uF

16V Q3

C3198

0.47uF

/100V

1N4002 R11

390

IC2

R14

100

R15

12K

S/VOL

100

1N4148

A1015

C3198

13K

18K

IC1

11K

470

1/2W

0.1uF

630V

100

1/2W

330

1/2W

VR/

20K

LED1

TRANSTRANS

PRESSURE

S/W

PRESSURE

S/W

PHOTO-TRIACPHOTO-TRIAC PHOTO-TRIACPHOTO-TRIAC

T/P

LED PWB ASM

SLIDE VOLUME

PRESSURE S/W

POWER S/W

SUB

PWB

ASM

MAIN

PWB

ASM

BR BR

GY M

T/P

CIRCUIT DIAGRAM (V-C7050HT)

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