VACUUM CLEANER SERVICE MANUAL CAUTION

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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.

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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

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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

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DESCRIPTION

SPECIFICATIONS

Telesscopic Pipe ASS'Y Flexible Hose ASS'Y

ATTACHMENTS

Power Cord

Filter Cover

Nozzle ASS'Y

Cord Reel Button

Dust Tank

UPHOLSTERY NOZZLE

DUSTING BRUSH & CREVICE TOOL BRUSH ASS'Y

• 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

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5 • 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.

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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.

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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.

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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.

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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 GY GY BK GY RD BR BR RD BL BL T/P M C1 0.47µF 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)

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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 RD RD BL BL BK GY GY GY T/P POWER S/W MOTOR BD1 C1 0.47uF /AC250 R1 470K 1/2W R10-1 470K 1/2W R16 1.5K R12 5.6K R13 1K C4 2200uF 16V Q3 C3198 C3 0.47uF /100V D6 1N4002 R11390 IC2 R14 100 R9 100 R15 12K S/VOL R5 100 D5 1N4148 Q2 A1015 C3198Q1 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-TRIACPHOTO-TRIAC

T/P LED PWB ASM SLIDE VOLUME PRESSURE S/W POWER S/W SUB PWB ASM MAIN PWB ASM GY BR BR GY

M

T/P

CIRCUIT DIAGRAM

(V-C7050HT)

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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

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CIRCUIT DIAGRAM

(V-C7070CT)

G M + ST-7L EL-7L + 15 30 20 AVref CST4.0M X-TAL 19 1M Xout VSS 18 R8 Xin VDD R56 R2 330 470 1/2W BD1 DF01M R6 IC2 KIA78L05P 0.1uF C5 O C4 0.1uF 1000uF C3 I 1N4002 D1 10K 1uF KRC107M Q3 470 R4 100K R5 2 TLP762JF 4 1 IC1 6 R3 1/2W 250V 0.47uF C1 TRANS 0.1uF 630V R1 100 T1 T2 G SM12JZ47 TRIAC C2 13 GMS81504(T) R40/INT0 RESET KRC107M BZ 470 R12 1K R11 R55/BUZ 14 Q2 MICOM MOTOR 16V RBD R9 470K C6 0.1uF Q1 C3198 R7 4.7K C7 0.01uF 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 CN2 KRC107M R04 27 Q14 10 R34 KRC107M Q13 10 R33 KRC107M Q12 10 R32 KRC107M Q11 10 R13 KRC107M Q15 10 R31 KRC107M Q16 10 R36 KRC107M Q17 1 R37 R05 26 R06 25 R07 24 R03 28 R02 29 R01 1 A CN8 BC D E F G 16V C8

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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

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150061 135509 135510 335503 136501 168711 168711 235501 140261 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

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15 452151 652012 436501 449321 552491 652031 652032 652481 452151 449321 435501

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452151

449321 435501

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REPLACEMENT PARTS LIST

130401 Refer to appendix BASE, BODY

135506 3550FI3800A COVER, MOTOR HOUSING

135507 Refer to appendix COVER, CORD REEL

135508 Refer to appendix COVER, BODY SUB

135509 Refer to appendix BOARD, DISPLAY

135510

3550FI3805A

COVER, SENSOR

V-C7050NT/HT

3550FI2513A V-C7070CT/CP

136501 Refer to appendix HANDLE, CARRIER

139202 3920FI3770A PACKING, MOTOR MOUNTING

139204 3920FI3769A PACKING, SEAL

140261 Refer to appendix LATCH, COVER

140561 Refer to appendix LOCKER, DUST CAP

144411 4441FI3605J CASTER, ASS'Y

145103 Refer 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

268711 Refer to appendix PWB(PCB) ASS'Y, SUB

235501 Refer to appendix COVER, BODY

235504 3550FI2504B COVER, EXHAUST FILTER-R

235505 3550FI2503B COVER, EXHAUST FILTER-L

236601 3660FI2286A HOUSING(MECH), MOTOR

239402 3940FI3646A SPONGE, ABSORBING

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249011 4901FI3435B DAMPER, ASS'Y

249701 4970FI4724A SPRING, BUTTON V-C7050NT

250201 Refer to appendix BUTTON, POWER SWITCH

252301 5231FI3758C FILTER ASS'Y, CLEAN

252311 5231FI3767A FILTER ASS'Y, EXHAUST

268712

6871FX3078A

PWB(PCB) ASS'Y, DISPLAY

V-C7050NT/HT

6871XF3080A V-C7070CT/CP

333002 Refer to appendix PLATE, COVER(L)

333003 Refer to appendix PLATE, COVER(R)

335503 Refer to appendix COVER ACCESSARY

349701 Refer to appendix SPRING, LATCH

435501 3550FI1553A COVER, GRIP HANDLE

435506 3550FI3802A 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'Y, FLOOR

652012 Refer to appendix PIPE ASS'Y, TELESCOPIC

652031 5203FI2069A BRUSH ASS'Y, DUST

652032 5203FI3744A BRUSH ASS'Y, FILTER-CLEANER

652481 5248FI3454A NOZZLE, UPHOLSTERY

748382 Refer to appendix TANK, DUST

750063 Refer to appendix CAP, DUST

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APPENDIX

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

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2. COLOR & PARTS NUMBER

3. MOTOR & PWB ASS’Y PARTS NUMBER

PART NO. REMARK

LOCATION NO. DESCRIPTION 4681FI2451A VMC400E5, 230V/50Hz V-C7030NT 4681FI12457A VMC420E5, 230V/50Hz V-C7040TN/C7045HT 4681FI2456B VMC460E5, 220~230V/50Hz V-C7050NT/HT 4681FI2456D VMC460E8, 220~230V/50Hz V-C7070CT/CP 146811 MOTOR ASS'Y, VC 4681FI2456E VMC460E9, 240V/50Hz V-C7070CT/CP 240V/50Hz 110V/60Hz 120V/60Hz

VACUUM CLEANER SERVICE MANUAL CAUTION

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

...19

...20

SAFETY PRECAUTIONS

DESCRIPTION

SPECIFICATIONS

ATTACHMENTS

DISASSEMBLY

TROUBLE SHOOTING

1. SWITCH ON BUT MOTOR DOES NOT TURN

2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES

CHECKING

3. SWITCH OFF BUT MOTOR TURNS

4. WEAK SUCTION POWER

5. VIBRATION NOISES

6. RADIO, TV RECEPTION DISTURBANCE

7. IMPROPER TUBE OR NOZZLE CONNECTION

BLOCK DIAGRAM

(V-C7050NT)

SCHEMATIC DIAGRAM

(V-C7050NT)

M

CIRCUIT DIAGRAM

(V-C7050NT)

BLOCK DIAGRAM

(V-C7050HT)

SCHEMATIC DIAGRAM

(V-C7050HT)

M

CIRCUIT DIAGRAM

(V-C7050HT)

BLOCK DIAGRAM

(V-C7070CT)

CIRCUIT DIAGRAM

(V-C7070CT)

EXPLODED VIEW

REPLACEMENT PARTS LIST

APPENDIX

1. THE TYPE OF POWER CORD & PARTS NUMBER

2. COLOR & PARTS NUMBER

3. MOTOR & PWB ASS’Y PARTS NUMBER

6871FX2136A

V-C7050NT

6871FX2141A

V-C7050HT/V-C7070CT

6871FX2142A

V-C7050HT

6871FX2145A