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
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 2
SAFETY PRECAUTIONS BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY, AND OBSERVE EACH POINT CAREFULLY. 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. 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. 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. 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. 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. 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. 3
DESCRIPTION Flexible Hose ASS'Y Cord Reel Button Telesscopic Pipe ASS'Y Dust Tank Power Cord Filter Cover Nozzle ASS'Y CANISTER ATTACHMENTS DUSTING BRUSH & CREVICE TOOL UPHOLSTERY NOZZLE BRUSH ASS'Y SPECIFICATIONS 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 This specifications are subject to change according to the buyer s request. 4
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. 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. 1. Body Cover Assembly Replacement 1) Remove the dust tank from the set. 2) Bring out the motor and disconnect the lead wires from it. Motor Ass'y 2) Remove the four screws fastening the body base. 3. Cord Reel Assembly Replacement 1) Remove the cord reel cover by unfastening the screw. 3) Disassemble the filter cover, widening the both of filter cover, and then pull out the lead wires from the push switch. 2) Lift the cord reel assembly from the body base. Cord Reel Ass'y 2. Motor Assembly Replacement 1) Unhook the motor housing cover in the direction of the arrow. 5
TROUBLE SHOOTING 1. SWITCH ON BUT MOTOR DOES NOT TURN CHECKING CAUSE SOLUTION 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. 2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES Motor armature cut. Exchange the motor. Ball bearing defacement Exchange the motor. Impeller hindrance (Caused by foreign matters) Remove the foreign matters. 6
3. SWITCH OFF BUT MOTOR TURNS Poor connection Repair. Poor switch Exchange the switch. 4. WEAK SUCTION POWER Carbon brush defaced Exchange the carbon brush or the motor. Motor armature cut Exchange the motor. Low rotation speed 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. Motor turns normally, but suction power is weak. 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. 7
5. VIBRATION NOISES 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. Armature is cut or foreign matters attached. Exchange the motor Remove foreign matters. 6. RADIO, TV RECEPTION DISTURBANCE 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. 7. IMPROPER TUBE OR NOZZLE CONNECTION Bent connection parts Exchange the parts. Poor connection (Caused by foreign matters) Remove the foreign matters and reconnect. 8
BLOCK DIAGRAM (V-C7050NT) PRESSURE S/W GY GY BR MAIN PWB ASM POWER S/W BR RD RD BL CORD REEL ASS'Y T/P PLUG BK GY BL MOTOR LED PWB ASM SCHEMATIC DIAGRAM (V-C7050NT) POWER S/W PRESSURE S/W GY GY BR MAIN PWB ASM BR RD RD BL BL M T/P BK GY LED PWB ASM CIRCUIT DIAGRAM (V-C7050NT) POWER S/W R6 10,1/2W D1 1N4007 M C1 0.47µF 250V T/P C5 0.1µF 250V ZD1 5.6V R11 470 PRESSURE S/W LED1 6871FX3078 + C4 100GµF 16V R7 3K R8 1K OPTO-TRIAC 1 6 2 4 R9 470 Q1 C3198 FLICKER C3 R3 110K R10 3.9K 1/2W R2 33 1/2W DIAC R4 33 1/2W G TRIAC T2 T1 R1 100 1/2W C2 0.1µF 250V 9
10 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 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 ASM GY BR BR GY M T/P CIRCUIT DIAGRAM (V-C7050HT)
BLOCK DIAGRAM (V-C7070CT) DISPLAY PWB ASM HOSE PWB ASM DUST SENSOR PWB ASM DUST SESM PWB ASM SUB PWB ASM MAIN PWB ASM RD RD BL BL T/P PRESSURE S/W 11
12 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 Q3 470 R4 100K R5 2 TLP762JF 4 1 IC1 6 R3 1/2W 250V 0.47uF C1 TRANS 0.1uF 100 R1 630V T1 T2 G SM12JZ47 TRIAC C2 13 GMS81504(T) R40/INT0 RESET BZ 470 R12 1K R11 R55/BUZ 14 Q2 MICOM MOTOR 16V RBD 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 R44 6 Q4 R45 5 Q5 R46 4 Q6 2.7K R13 1.5K R14 1.0K R15 1 2 3 4 CN1 PRESSURE S/W CN2 R04 27 Q14 10 R34 Q13 10 R33 Q12 10 R32 Q11 10 R13 Q15 10 R31 Q16 10 R36 Q17 1 R37 R05 26 R06 25 R07 24 R03 28 R02 29 R01 1 A CN8 B C D E F G 16V C8
EXPLODED VIEW 135506 139202 750063 249701 146811 140561 239402 135507 152313 149741 252301 139204 333003 333002 748382 146871 236601 149308 145103 235504 252311 130401 146611 148201 144411 235505 13
135510 135510 135509 268712 V-C7050NT/HT 135509 V-C7070CT/CP 268712 150061 335503 168711 250201 136501 V-C7050NT 249701 V-C7050NT 168711 168711 235501 140261 V-C7070CT/CP 349701 268712 249011 268711 166012 135508 168711 452002 V-C7050NT 435506 468011 440361 435506 440361 468712 452003 V-C7050NT/HT 14 452003 V-C7070CT 468711
452151 436501 449321 449321 435501 452151 652012 552491 652031 652481 652032 15
452151 435501 449321 16
REPLACEMENT PARTS LIST LOCATION NO. PART NO. DESCRIPTION APPLICATION REMARK 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 3550FI2513A COVER, SENSOR V-C7050NT/HT 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 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 17
LOCATION NO. PART NO. DESCRIPTION APPLICATION REMARK 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 6871XF3080A PWB(PCB) ASS'Y, DISPLAY V-C7050NT/HT 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 4932FI2723A CONNECTOR(MECH), HOSE ASM V-C7050NT/HT 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 18
APPENDIX 1. THE TYPE OF POWER CORD & PARTS NUMBER TYPE TYPE OF PLUG CORD REEL ASSY P/NO.(L/NO.146871) A-1 17 12.7 S-1 17 6.3 C-2 19 4.8 4687FI1420X 19 C-1 19 4 19 B-3 Color identification of fuse Brown 13A Yellow 5A Blue 3A 19
2. COLOR & PARTS NUMBER LOCATION NO. DESCFIPTION LIGHT SILVER NOBLE DEEP BLUE NOBLE RED YELLOW GREEN DEEP BLACK REMARK 130401 BASE BODY 3040FI1487B 3040FI1487B 3040FI1487E 135507 COVER, CORD REEL 3550FI1558B 3550FI1558B 3550FI1558E 135508 COVER, BODY SUB 3550FI1561B 3550FI1561B 3550FI1561E 135509 BOARD, DISPLAY 3500FI2240B 3500F22240B 3500F22243E 136501 HANDLE, CARRIER 3. MOTOR & PWB ASS Y PARTS NUMBER LOCATION NO. DESCRIPTION 146811 MOTOR ASS'Y, VC LOCATION NO. DESCRIPTION 3650FI1486B 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 4930FI2448E 235501 COVER, BODY 3550FI1560B 3550F21560B 3550FI1560F 250201 BUTTON, POWER SWITCH 5020FI3771B 5020FI3771A 5020FI3771D 333002 PLATE, COVER(L) 3300FI3683B 3300FI3683B 3300FI3683E 333003 PLATE, COVER(R) 3300FI3684B 3300FI3684B 3300FI3684E 335503 COVER, ACCESSARY 3550FI1559B 3550FI1559B 3550FI1559D 435501 COVER, GRIP HANDLE 3550FI1553Q 3550FI1553Y V-C7070CT/CP 452003 PIPE, CONNECTOR-H 5200FI1215B 5200FI1215B 5200FI1215K 452151 HOSE ASS'Y, FLEXIBLE 652012 PIPE ASS'Y TELESCOPIC 5215FI1319D 5215FI1319E V-C7070CT 5215FI1315E 5215FI1315E V-C7050NT 5215FI1320B 5215FI1320C 5215FI1320K V-C7050HT 5201FI1004A 5201FI1004A 5201FI1004A 5201FI1004B 748382 TANK, DUST 4838FI1397B 4838F21397B 4838FI1397D 750063 CAP, DUST 5006FI1327B 5006F21327B 5006FI1327E PART NO. 20 REMARK 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 4681FI2456E VMC460E9, 240V/50Hz V-C7070CT/CP PART NO. 240V/50Hz 110V/60Hz 120V/60Hz REMARK 168711 PWB(PCB) ASS'Y, MAIN 6871FX2136A V-C7050NT 168711 PWB(PCB) ASS'Y, MAIN 6871FX2141A V-C7050HT/V-C7070CT 268711 PWB(PCB) ASS'Y, SUB 6871FX2142A V-C7050HT 6871FX2145A V-C7070CT
MEMO 21
MEMO 22
P/No. : 3828FI3816A January, 2004 Printed in Korea