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Service Manual

DAEWOO ELECTRONICS DWC-084R, Service Manual

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11 pages after

Page: 12 / 38

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5. CONTROL BLOCK DIAGRAM

COMP.

SMPS

AC

FAN

MOTOR

88 Segment

Energy Save

Front PCB

Main PCB

Display

Micom

Drive IC

Remocon Signal

Receiver

Fan mode

Turbo mode

A/D
Converter

Room

Sensor

Cooling mode

Room Temp

Desired Temp

Timer

Operating Mode

Remote controller

Fan speed

Timer

Energy Save

Temp setting

ON/OFF

Sleep mode

RL1

DC12V

RL2,3

Beeper

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Summary of Contents for DWC-084R

Page 1: ...n 3 3 Wiring Diagram 10 4 Refrigerant Cycle 11 5 Control Block Diagram 12 6 Circuit Diagram 13 7 Trouble Shooting 16 8 Key Components of Electronic Circuit 26 9 Disassembly Instructions 28 10 Exploded...

Page 2: ...0Kg DWC 084R 7 800 1 966 10 80 2 72 2 68 1 220 723 6 5 RM5475GQ87 45 F 370VAC A9525HS602 7 F 370VAC 16 58oz 470g 65 1 lbs 29 5Kg 68 4 lbs 31Kg Btu h Kcal h Btu Wh Kcal Wh Pts h g h Power Input W Runn...

Page 3: ...NO PART NAME 1 CABINET 2 BLADE VERTICAL 3 BLADE HORIZONTAL 4 KNOB BLADE 5 GRILLE FRONT 6 INLET GRILLE NO PART NAME 7 AIR FILTER 8 PANEL CONTROL 9 FRAME GUIDE TOP 10 FRAME WINDOW KIT 11 SHUTTER WINDOW...

Page 4: ...n it is selected as follow COOLING TURBO FAN COOLING ENERGY SAVE COOLING MODE ONLY Whenever you push this button the cumulative power consumption is decreased TEMPERATURE It is the button to set the r...

Page 5: ...1 F POWER ON OFF SWITCH To turn the unit ON push this button To turn the unit OFF push this button again MODE SELECT Everytime you push this button It is selected as follow COOLING TURBO FAN COOLING...

Page 6: ...he and directions are correct Be sure that both batteries are new Re attach the cover Slide it back into position Do not use rechargeable batteries such batteries differ from standard dry cells in sha...

Page 7: ...essor If the Unit Display receive the signal of Remote Controller you can hear the signal beep or beep beep OFF Timer 4 DESCRIPTION OF FUNCTIONS Unit ON Unit OFF SET Time HOUR ON OFF ON Timer Unit ON...

Page 8: ...ce the SLEEP indicator will disappear in the display In normal operation there is a time delay of three minutes between turn off and turning back on including initial power up Sleep Mode 3min Time Del...

Page 9: ...again the desired temperature is return to the former desired temperature 1 Cooling Condition 1 Fan Speed High speed 2 Set temperature 16 C Fixed 3 Compressor and Fan Turbo Mode Powerful Cooling 1 OF...

Page 10: ...10 3 WIRING DIAGRAM...

Page 11: ...RANT CYCLE Evaporator Capillary tube Blower fan Condenser Propeller fan Accumulator Compressor M MOTOR Capillary tube Charge Quantity DWC 064R ID1 4 x L1200 410g DWC 084R ID1 0 x L400 x 2 470g Model N...

Page 12: ...e Front PCB Main PCB Display Micom Drive IC Remocon Signal Receiver Fan mode Turbo mode A D Converter Room Sensor Cooling mode Room Temp Desired Temp Timer Operating Mode Remote controller Fan speed T...

Page 13: ...13 6 CIRCUIT DIAGRAM...

Page 14: ...RD 4K101J 1 R3 12 RESISTOR 1 4W 2KJ RD 4K202J 1 R1 13 WAFER YW396 05AVD 3108802900 1 CN3 14 WAFER SMW250 07 3108804100 1 CN2 15 DIODE UF203 DZUF203 1 D2 16 DIODE ZENOR 1N5241B DZN5241B 1 D3 17 C CERA...

Page 15: ...R4 3104302220 1 PCB 064R 084R 22 IC RESET KIA7042P 1KA7042P 1 IC2 23 TR C3198Y TZTC3198Y 1 TR1 24 LED SEGMENT ELD 305GWA DELD305GWA 1 SEG1 25 IC DRIVE TD62004AP 1KD65004AP 1 IC3 26 IC DRIVE TD62783AP...

Page 16: ...s applied to the unit Check the voltage between POWER and RL1 of Main P C B 3 CN1 Check the Breaker or Fuse Self Diagnostic function is ON Check according to self Diagnostic function Main P C B defect...

Page 17: ...he compressor Check the winding resistance Check the compressor capacitor Check the connecting wire between Main P C B and the compressor Change Relay RL1 Change the compressor Check the Main P C B th...

Page 18: ...PCBDRIVINGDESCRIPTION...

Page 19: ...ply in circuit needs 12V and 5V 12V is used for Compressor Driving Relay Fan Motor Driving Relay Buzzer Driving Swing Motor Driving Relay and LED Display DC Power 12V is supplying by switching perform...

Page 20: ...20 Oscillation 2 1 2 8 MHz MICOM VDD 10 VSS 10 Fig 2 1 DESCRIPTION Oscillatory Frequency drive Micom it is made up 8MHz resonator oscillatory Freqency Ocillatory wave is as following Fig 2 1...

Page 21: ...15 R37 300 CC3 0 01 R38 12 7K Vcc ROOM PT K43C 2 1 DESCRIPTION Number 15 of Micom is Terminal of A D convertor Input Room temperature is sensing by change of Thermister Resistance Micom is put in 5V...

Page 22: ...5 which is gotten field of Carrier 38KHz from Receive Module Signal Wave repeat third as following Fig 5 1 But in Secondary Wave Custom Code is Reversed Face Remote Controller 4 LEADER CODE CUSTOM CO...

Page 23: ...3 DESCRIPTION MICOM Power is supplied 5V at Number 28 using VDD Number 6 using Analog Reference of A D Converter C9 C10 is Ripple filter Micom Power Supply 5 MICOM 28 14 6 CE1 100 F 16V CC1 104 Vcc 5V...

Page 24: ...3 7042 3 1 2 4 2V H L t t POWER ON Vcc 5V DELAY TIME FOR POWER ON RESET DESCRIPTION Voltage less than about 4 2V put in Micom Terminal of Number 6 and then Micom reset Reset IC detect Power ON and Vo...

Page 25: ...25 R7 10K 5V MICOM 13 27 C F JS1 Function Selecting 7 Table 9 1 Selection S W SHORT OPEN Function C F C F DESCRIPTION Selecting Function is as following table 9 1...

Page 26: ...Key Out Comp R41 AIN1 8 21 R81 T2 Display In Key Out Buzzer R42 AIN2 9 20 R80 INT2 Display In Key Out Display Out 10 19 R63 Display Out R50 AIN4 11 18 R62 Key In Display Out R51 AIN5 12 17 R61 Key In...

Page 27: ...7 2K 3K Top View Equivalent Circuit 100K 500 100 100 0 3 10K 6K 500 1K 5K 28K 6K 30pF 2K 5K 200 240 1 4 K 2 7 K 3 3 K 0 19K INPUT OUTPUT GND SCHEMATIC DIAGRAM 1 2 3 Fin 2 is ground for Cose 221A Case...

Page 28: ...ews 3 point Remove wires in the each components 6 Remove wires in the Panel Housing 7 Remove screws 7 point from Ass y Fan Motor s sides Ass y Fan Motor is assembly of Fan Motor Propeller and Blower F...

Page 29: ...ssis to the right with pushing right side of Front Grille to the right until the snap fit is released 3 Pull lower side of the Front Grille until it is separated from the chassis 4 Push base side of t...

Page 30: ...EVAPORATOR 1 2RX2CX12S P1 2 064R 3100049600 ASS Y EVAPORATOR 1 3RX2CX13S P1 4 084R 15 3100034500 ASS Y PIPE EVA OUT 1 DWC 070C 064R 3100050000 ASS Y PIPE EVA OUT 1 DWC 091C 084R 16 3100034410 ASS Y P...

Page 31: ...FUSE 250V 3 15A 45 7141300611 SCREW TAPPING 4 PAN 3X6 46 3108502900 SEAL CONTROL BOX 1 F US 258X264XT5 D G 47 3102702010 HARNESS COMP ASSY 1 AWG 16 UL BR RD OR 48 OVER LOAD PROTECT 1 KA 122 LAIN21J 0...

Page 32: ...00 SEAL FRONT LOW 1 F US 420X45XT10 71 3106502400 BLADE VERTICAL 2 PP 72 7112400811 SCREW TAPPING 1 T1 TRS 4X8 MFZN 73 3112002000 GRILLE 1 HIPS HI 450 74 3111901800 FILTER PRE 1 HIPS MESH 32 75 310700...

Page 33: ...DWC 064R EXPLODED DIAGRAM...

Page 34: ......

Page 35: ...DWC 084R EXPLODED DIAGRAM...

Page 36: ......

Page 37: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 02 590 6291 TEL 02 360 7114 590 6151 5 http www dwe daewoo co kr PRI...

Page 38: ...LECTRONICS CO LTD Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Part...

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