LG V-CA251NTB Service Manual Download Page 10 | Manualshive

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CIRCUIT DIAGRAM

SCHEMATIC DIAGRAM

SLIDE VOLUME

SUB PWB

ASSEMBLY

MAIN PWB

ASSEMBLY

M

T/P

BK

GY

BL

GY

MOTOR

BD1

C1

0.47uF

/AC250

R10
470K
1/2W

R10-1
470K
1/2W

C3
0.47uF
/100V

R9
100

S/VOL

R5
100

D5

1N4148

Q2

A1015

Q1
C3198

R7
11K

R6
18K

IC1

1

2

6

4

R4
11K

R3
470
1/2W

T2

T1

G

R2
330
1/2W

VR1
20K

R8

1K

M

TRANS

OPTO-TRIAC

T/P

Copyright © 2007 LG Electronics. Inc. All right reserved.

LGE Internal Use Only

Only for training and service purposes

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Summary of Contents for V-CA251NTB

Page 1: ...V CA251NTS MFL33988881 V CA261NTA V CA251NTB VCA261NT ...

Page 2: ...RIPTION 4 SPECIFICATIONS 4 DISASSEMBLY 5 6 TROUBLE SHOOTING GUIDE 7 9 SCHEMATIC DIAGRAM 10 11 CIRCUIT DIAGRAM 10 11 EXPLODED VIEW 12 14 Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes ...

Page 3: ...gnificantly 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 Crevice Tool For cleaning any crevice inside corners of window frames However do not use the...

Page 4: ...E PUSH ON OFF BODY NT NE SUB VACUUM POWER ADJUSTMENT BY SLIDE KNOB NT NE CORD LENGTH 6 m HOSE LENGTH 1 6 m NET WEIGHT 4 5 kg PACKING WEIGHT 7 5 kg NET DIMENSION 280 399 276 W D H mm PACKING DIMENSION 315 565 330 W D H mm ATTACHMENTS HOSE 1EA TELESCOPIC PIPE ASSY 1EA NOZZLE ASSY 1EA DUSTING BRUSH 1EA CREVICE TOOL 1EA UPHOLSTERY NOZZLE 1EA ACCESSORY HOLDER 1EA This specifications are subject to chan...

Page 5: ...ed view 1 Body Cover Assembly Replacement 1 Remove the dust tank from the set 2 Remove the four screws fastening the body base 3 Disassemble the body cover raising the body cover 2 Motor Assembly Replacement 1 Detach exhaust cover in the direction of the arrow and unhook the motor covr with driver NOTE Before attempting to service or adjust any part of the vacuum cleaner disconnect the electrical ...

Page 6: ...Replacement 1 Lift the cord reel assembly from the body base 4 Disassembly of Motor Housing 1 Remove the two screws fastening the motor housing Cord Reel Ass y Motor Ass y Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes ...

Page 7: ...t carbon brush defaced Exchange or repair the motor Poor switch contact point HT HE 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 TROUBLE SHOOTING GUIDE 1 SWITCH ON BUT MOTOR DOSE NOT TURN 2 SWITCH ON MOTOR DOES NOT TURN BUT BUZZES LGE Internal Use Only Copy...

Page 8: ...e 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 the slide volume of hose or triac of PWB assembly Poor switch NT NE Low rotation speed Motor turns normally but suction power is weak Exchange the switch 3...

Page 9: ... 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 9 5 VIBRATION NOISES 6 RADIO TV RECEPTION DISTURBANCE 7 IMPROPER TUBE OF NOZZLE CONNECT...

Page 10: ... 47uF AC250 R10 470K 1 2W R10 1 470K 1 2W C3 0 47uF 100V R9 100 S VOL R5 100 D5 1N4148 Q2 A1015 Q1 C3198 R7 11K R6 18K IC1 1 2 6 4 R4 11K R3 470 1 2W T2 T1 G R2 330 1 2W VR1 20K R8 1K M TRANS OPTO TRIAC T P Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes ...

Page 11: ...IC DIAGRAM CIRCUIT DIAGRAM M C1 0 47µF 250V MAIN S W R1 470K T P MAIN PWB ASSEMBLY M T P POWER S W LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 12: ...1 MCKBD1 AHDBR1 MCKBS1 ACVBA1 MCKBZ1 MDJBE1 MEABE1 MCKBE1 ADQBE1 MFGBF1 AJWBA1 MFCBC1 MAMBB1 AHJBA1 Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes EXPLODED VIEW BASE ASSEMBLY BODY ...

Page 13: ...JTC9 MJHTB1 MFGTA1 MBLTD1 MDSTA2 MCKCB1 MEBCC1 MGECC1 MDSCA1 EADCS1 EBRBM1 ADQTC1 ADVTF1 MDSTA1 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes EXPLODED VIEW COVER ASSEMBLY BODY ...

Page 14: ... 14 AGRPT1 ABCAD1 MFVAC1 AGBNU1 MEGAA1 AEMAF1 AGBN41 Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes EXPLODED VIEW ACCESSORIES ...

Page 15: ......

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