Daewoo Frs U20 Service Manual

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 from  ManualL 

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- Dispenser Model
 

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 from  ManualL 

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7. COMPONENT LOCATE WIEW
7-1. Front View ( Dispenser + Home bar Model )
F-Sensor
Automatic
Ice MakerGeared
Motor
R-SensorR-SensorInner
Controller
F-Door
SwitchR-Door
SwitchR-Door
Switch
Freezer Compartment 
(Dispenser Model)
F-Lamp
F-Fan
Motor
R-LampR-Fan
Motor
7-2. Inner View
Refrigerator 
Compartment 
(Dispenser Model)Refrigerator 
Compartment 
(Basic Model)
Front PCB
Dispenser
Button
Home bar 
Door
(Option)
 

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D-Sensor
Temp 
Fuse
Defrost
Heater
Water Pipe
Evaporator
CompressorCondenser
DryerRunning
CapacitorOLP
& PTCWater
ValveCondenser
Fan-MotorTray Drip
Power cord
7-3. Evaporator
7-4. Machine Compartment
 

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NODISASSEMBLING PROCEDURE NO DISASSEMBLING PROCEDURE
15
26
37
48▷Pull forward Ice Storage Case  ▷Remove 2 screws at the Cove
Guide Cab W/Tube A.
▷Remove 2 screws.▷Disassemble Cover Guide Cab W/Tube A
▷Pull forward Ice Maker.▷Pull forward Hose Ice Maker Tube As.
▷Remove Water Hose Heaters 2P housing.▷Check Hose Ice Maker Tube As.
2) How to check Hose Ice Maker Tube As.
How to check CRITERION
▷Measure the resistance
of two wire▷Good: 9680Ω(±8%)
(8900 ~ 10456Ω)
▷If defective, change
8. HOW TO CHECK EACH...

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NODISASSEMBLING PROCEDURE NO DISASSEMBLING PROCEDURE
14
25
36▷Remove 2 screws.
▷Pull forward Bracket Geared Motor.
▷Unscrew (4 points).
▷Separate 6 pin housing of Bracket
Geared Motor from the top connector.▷Check Solenoid Valve and Geared Motor.
2) How to Check Hose Ice Maker Tube Assembly
SPEC. CRITERION
▷GOOD : 11.3Ω(±10%)
(10.8 ~ 12.7Ω)
▷DEFECTIVE ;
Change the Geared Motor.PARTS HOW TO CHECK
▷GOOD : 145Ω(±8%)
(133 ~ 156Ω)
▷DEFECTIVE ;
Change the Cube Sol Valve.
▷Check resistance value of
2...

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NODISASSEMBLING PROCEDURE NO DISASSEMBLING PROCEDURE
13
2▷Insert (-) screw driver into bottom hole of
Dispenser Button Guide.
Pull up forward to remove the guide.
(Be careful not to damage guide surface.)
▷Remove Micro switch.
2) How to Check Micro Switch
CRITERION
▷GOOD : 
▷DEFECTIVE :
Change Micro Switch.PARTS HOW TO CHECK
SPEC. NAME
: VP333A-OD-8
VOLTAGE
:125V,3A
8-3. Dispenser Micro Switch
1) Disassembling Procedure
▷Check both terminals
(red circle) with a Multi Tester
(Tester Mode : Resistance...

48
NODISASSEMBLING PROCEDURE NO DISASSEMBLING PROCEDURE
14
36▷Separate 2 housings of 10P / 7P
from Front PCB.
(Do not hold only wires to pull out.)▷Unscrew (3 points) to remove Sol Valve.
▷Unscrew (2 points)  to remove Box
Dispenser Shut.▷Unscrew (1 point) to remove Cover Ice Flap.
2) How to Check Micro Switch
8-4. Dispenser Solenoid Valve
1) Disassembling Procedure
SPEC. CRITERION
▷Good : 215Ω(±10%)
(193 ~ 236Ω)
▷DEFECTIVE : 0
Change Sol Valve.PARTS HOW TO CHECK
▷GOOD : 96Ω(±8%)
(88 ~ 104Ω)
▷DEFECTIVE...

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8-5. Main PCB
1
2
3
4
5
6
ITEMREMARKNO CHECK POINT
Compensation of
Weak Refrigeration
→Making R-temp
cooler 1
* Used when making R-temp. down
to compensate for weak refrigeration
without changing FCP temp. setting.
▷Cutting of J1 ; down by 1.5℃
▷Cutting of J1, J2 ; down by 3℃
Relay Power
Controller 2
* To check normal voltage of each electrical devices
to & from Mi-com.
▷Check input & output voltage of MICOM and IC7
Fan Power
Controller 3
* To check input & output voltage of Fan
▷#2 : Input
▷#5 :...