LG V-C7040NTG Service Manual ▷ View online
11
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
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
KRC107M
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
KRC107M
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
R
10-1
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
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.
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.
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.
the push switch.
2. Motor Assembly Replacement
1) Unhook the motor housing cover in the direction
of the arrow.
13
EXPLODED VIEW
152313
140561
249701
135507
146871
139204
149741
146611
145103
333002
748382
135506
333003
139202
146811
239402
130401
148201
144411
149308
750063
235505
252311
235504
236601