Daewoo RC-805 User manual

Service Manual
Vacuum Cleaner
Model : RC-805
DAEWOO ELECTRONICS CO., LTD.
OVERSEAS SERVICE DEPT.

CONTENTS
1. SPECIFICATIONS 1
2. DESCRIPTIONS 2
3. DIAGRAM 6
4. CAUSE OF TROUBLE AND COUNTERMEASURE 9
5. DISASSEMBLING AND TREATMENT 11
6. EXPLODED VIEW AND PARTS LIST 17

2
2. DESCRIPTIONS
A DUST METER
B HOSE HANDLE * AIR CONTROL VALVE (MODEL : RC-805, RC-805B)
* POWER CONTROL (MODEL : RC-805H)
C CORD REWIND BUTTON
D POWER CORD
E ON/OFF BUTTON
F CLEANING TOOLS * CREVICE TOOL
* DUSTING BRUSH
G HOSE ADAPTER
H KEEPING * HOSE HANGER, PIPE HOLDER (MODEL : RC-805, RC-805B)
* PIPE HOLDER (MODEL : RC-805H)
I POWER CONTROL KNOB *RC-805B
2-1. ASSEMBLY

PIPE HOLDER HOSE
HANGER
HOSE
DUST
COVER
HANDLE
WIDE SUCTION
BRUSH
3
CLOSE
OPEN
2-2. MODEL RC-805
B
HOOK HOSE HANGER
GROOVE
H
D
E
A
CREVICE TOOL
ROTATE DUSTING BRUSH
F
BUTTON
G
C

4
PIPE HOLDER HOSE
HANGER
HOSE
DUST
COVER
HANDLE
WIDE SUCTION
BRUSH
CLOSE
OPEN
2-3. MODEL RC-805B
B
HOOK
HOSE HANGER
GROOVE
H
D
E
A
CREVICE TOOL
ROTATE DUSTING BRUSH
F
BUTTON
G
C
POWER CONTROL
KNOB
MIN MAX
I

5
PIPE HOLDER HOSE
HANGER
HOSE
DUST
COVER
HANDLE
WIDE SUCTION
BRUSH
MAX
HIGH
MID
MIN
POWER CONTROL
STOP
2-4. MODEL RC-805H
B
GROOVE
H
D
E
A
CREVICE TOOL
ROTATE DUSTING BRUSH
F
BUTTON
G
C

6
3. DIAGRAM
3-1. WIRING DIAGRAM
S/W
THERMO STAT
BK
BKBK WH
WH
BL
WH
WH
P.C.B
BL
BL
MOTOR
CORD REEL
1) MODEL RC-805
S/W
THERMO STAT
BK BK
BK BK WH
SLIDE VOLUME
WH
P.C.B
BL
BL
MOTOR
CORD REEL
2) MODEL RC-805B

7
S/W
THERMOSTAT
BK BK
BK BK WH
SLIDE VOLUME
WH
P.C.B
BL
BL
MOTOR
CORD REEL
3) MODEL RC-805H

8
3-2. CIRCUIT DIAGRAM
AC 230V/50Hz
POWER SWITCH THERMOSTAT
C1 COIL MOTOR
PART NAME SPEC.
POWER SWITCH AC 250V, 7A
THERMOSTAT N85˚C
MOTOR VH112CA020
C1 474K
COIL 1mH, 8A
1) MODEL RC-805
AC 230V/50Hz
THERMOSTAT
C3
PART NAME SPEC.
R1, R2 10K OHM, 1/2W
R3 180K OHM, 1/2W
R4 240K OHM, 1/2W
R5 100 OHM, 1W
TRIAC 600V, 16A
DIAC 37V, 41V, D84
C1, C2, C3 AC 600V, 104K
FILTER COIL 130uH, 12A
S/V (SILDE VOLUME) 500K OHM
MOTOR VH112CA020
THERMOSTAT N85˚C
MOTOR 12uH, 8A
COIL COIL
C2
R5
FILTER COIL
T2T1
G
R4
R3
DIAC
TRIAC
C1 R1 R2
YELLOW
YELLOW
S/V
500K
MOTOR
2) MODEL RC-805B

9
4. CAUSE OF TROUBLE AND COUNTERMEASURE
TROUBLE CAUSE
FILTER BAG (PAPER OR CLOTH)
IS FULL WITH DUST
SUCTION POWER IS WEAK CLOGGING OR TEAR IN HOSE
DEFECTIVE MOTOR
CHANGE IT WITH NEW
ONE
BREAKING IN POWER CORD
(AT BLADE TIP OR ROOT OF
PLUG)
CLEANER DOES NOT
WORK
REPLACE THE POWER
CORD (SEE 5-3)
BREAKING OF CONNECTIONS
IN HOSE ASSEMBLY (805H) REPAIR (SEE 5-4)
DEFECTIVE SLIDE VOLUME
LOCATED IN HOSE HANDLE
(805H)
REPLACE IT
(SEE 5-4)
DEFECTIVE PCB ASSEMBLY
(805, 805B, 805H) REPLACE IT (SEE 6-1, 6-3)
BREAKING OF CONNECTIONS
OR POOR CONTACTS IN CORD
REEL ASSEMBLY
REPAIR
(SEE 5-3)
DEFECTIVE MOTOR REPLACE IT
(SEE 5-2)
BREAKING OF CONNECTIONS IN
BODY ASSEMBLY REPAIR
DEFECTIVE SWITCH REPLACE IT
(SEE 6-3)
DEFECTIVE PCB ASSEMBLY
(805B, 508H)
MOTOR DOES NOT STOP
EVEN IF SWITCH OFF REPLACE IT (SEE 6-1, 6-3)
REMOVE OBSTACLE OR
REPLACE THE HOSE
REPLACE THE MOTOR
(SEE 5-2)
COUNTERMEASURE