Daewoo DSB-070L Service Manual Download

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DEAWOO ELECTRONICS CO., LTD

686, AHYEON-DONG MAPOGU,
SEOUL, KOREA.
C.P.O. BOX 8003 SEOUL KOREA
TELEX: DWELEC K28177-8
CABLE:"DAEWOOELEC"
FAX: +82-2-364-5588
TEL: +82-2-360-7114, 8114
http://www.dwe.daewoo.co.kr

S/M NO. : DSB070L010

PRINTED DATE: APR. 1999

SER

VICE MANUAL

DAEWOO ELECTRONICS CO., LTD

OVERSEAS SERVICE DEPT.

Summary of Contents for DSB-070L

Page 1: ...OO ELECTRONICS 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 Parts Price List in Service Information Center http svc dwe co kr S M No DSB070L010 ...

Page 2: ...nt Cycle 24 6 Control Block Diagram 25 7 Electric Circuit Diagram 26 8 Trouble Shooting 28 9 Key Components of Electronic Circuit 47 10 Disassembly Instructions 50 1 Indoor Unit 50 2 Outdoor Unit 52 3 Exploded Diagram Indoor Unit 54 4 Exploded Diagram Outdoor Unit 59 5 Control Box Assembly 65 Contents ...

Page 3: ...l QB 125PL 12B Capacitor 25µF 370VAC Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan Capacitor 1 0µ F 400VAC 1 8 µF 400VAC Motor Model Number IC 8417DWKF5A IC 9625DWLF 5A Control Capillary Charge Q ty g 800 Type Flare OD Liquid Suction in mm 1 4 6 35 1 2 12 7 Dimensions W x H x D mm 750 x 245 x 174 654 x 549 x 256 Net Weight kg 7 0 34 Electrical Data Compressor Fan Motor Refrigerant R 2...

Page 4: ...PN12F Capacitor 25µF 370VAC 30µF 370VAC Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan Capacitor 1 0µ F 400VAC 1 8µF 400VAC Motor Model Number IC 8417DWKF5A IC 9630DWLF5A Control Capillary Charge Q ty g 1 000 Type Flare OD Liquid Suction in mm 1 4 6 35 1 2 12 7 Dimensions W x H x D mm 750 x 245 x 174 654 x 549 x 256 Net Weight kg 7 0 34 Electrical Data Compressor Fan Motor Refrigerant ...

Page 5: ...5µF 400VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan Capacitor 1 0µ F 400VAC 3 5µF 400VAC Motor Model Number IC 8428DWKG7C IC 9430DWLC5B Control Capillary Charge Q ty g 1 300 Type Flare OD Liquid Suction in mm 1 4 6 35 1 2 12 7 Dimensions W x H x D mm 925 x 285 x 194 666 x 552 x 264 Before 654 x 549 x 256 After Net Weight kg 9 7 34 Electrical Data Compressor Fan Motor Ref...

Page 6: ...5 750 Plate Mounting REMOCON Connecting Pipe Grille Insert 245 REMOTE CONTROLLER Frame Grille Body Plate Mounting 174 2 OUTLINE AND DIMENSIONS 1 INDOOR UNIT DSB 070L DSB 091L ...

Page 7: ...6 REMOCON Filter L Filter R Grille Insert Frame Grille Body Plate Mounting Connecting Pipe Plate Mounting 406 194 285 925 REMOTE CONTROLLER DSB 121L ...

Page 8: ...7 256 549 654 2 OUTDOOR UNIT DSB 070L DSB 091L DSB 121L After Inlet Inlet Outlet Outlet Foot Foot Cushion Handle Cabinet Side Panel Top Guide Support Service Valve Cabinet Front ...

Page 9: ...8 Cabinet Side Handle Cabinet Front Foot 264 334 Panel Top Cabinet Back 552 572 Inlet AIR Inlet Outlet Foot Cushion Service Valve 666 DSB 121L Before ...

Page 10: ...oor Unit 3 OPERATION DSB 070L DSB 091L REMOTE CONTROLLER Electrostatic Filter option Deodorizing Filter option Air Inlet Remote Controller Receiver Power Plug Remote Controller Fan Direction Up Down Air Outlet Antibacterial Filter Lamp ...

Page 11: ...door Unit DSB 121L Power Plug Electrostatic Filter Deodorizing Filter Air Inlet Antibacterial Filter Air Outlet Fan Direction Up Down Remote Controller Remote Controller Receiver Lamp RE MO TE CO NT RO LLE R ...

Page 12: ...itch panel at inside of Front Panel At the time of operating open the Front Panel Emergency switch can be used when the remote controller is lost or Testing Remote switch is usually used by remote controller Indoor Unit Display Switch Panel Timer Yellow Lights during the time reservation mode Quick Red ON Red Lights when the operation is going on Air clean Green EMR REMOCON ...

Page 13: ...ion mode ON Red Lights when the operation is going on There is a switch panel at inside of Front Panel At the time of operating open the Front Panel Air clean Green Quick Red Indoor Unit Display Switch Panel EMERGENCY REMOTE ON AIR CLEAN QUICK TIMER Remote switch is usally used by Remote Controller Emergency switch can be used when the remote controller is lost or testing DSB 121L ...

Page 14: ...13 Outdoor Unit DSB 070L DSB 091L DSB 121L After Air Inlet Side Back Connection Wire Connecting Pipe Drain Hose Air Outlet ...

Page 15: ...ose Outdoor Unit DSB 121L Before NOTE How to remove Top Panel 1 Loosen the screw at left and right side 2 Push the three parts op Front and Back sides like figure orderly 3 Unhook the locking parts of Top Panel The front locking parts FRONT SIDE BACK SIDE The back locking parts ...

Page 16: ...ose Outdoor Unit DSB 121L Before NOTE How to remove Top Panel 1 Loosen the screw at left and right side 2 Push the three parts op Front and Back sides like figure orderly 3 Unhook the locking parts of Top Panel The front locking parts FRONT SIDE BACK SIDE The back locking parts ...

Page 17: ...on time 0 5 1 1 5 2 2 5 3 4 5 6 8 10 12 16 20 24hr MODE Button Press to cycle through the modes Auto Quick Cooling Fan Dry SLEEP Button Press to set the unit for the sleep mode FAN DIR FAN DIR Button Press to select up down direction for fan ON OFF Button Press to turn the unit on or off TEMPERATURE Buttons Press to raise or lower the desired temperature FAN SPEED Button Press to select the fan sp...

Page 18: ... DSB 070L DSB 091L DSB 121L MODE Indicators Auto Quick Cool Fan Dehumidifier Lights to indicate the mode selected TIMER Indicators Include sleep Lights to indicate the timer function mode TEMPERATURE RESERVATION TIME lndicator Lights to indicate the temperature or time FAN DIRECTION Indicators Lights to indicate the fan direction NATURAL Indicator Lights to indicate the speeds simulating a loreeze...

Page 19: ...eive the signal of Remote Controller you can hear the signal beep or beep beep 1 In the case of receiving ON OFF signal beep beep 2 And so on beep OFF Timer 4 DESCRIPTION OF FUNCTIONS Unit ON Unit OFF SET Time HOUR ON OFF ON Timer Unit ON Unit OFF SET Time HOUR ON OFF Control of Room Temperature Buzzer COMP ON COOLING Desired temperature COMP OFF 1 C Temperature Room temperatrue setting temperatur...

Page 20: ...per high speed high speed normal speed low speed ultra low speed 2 Remote controller setting fan speed Auto L M H Natural 3 Relation of operating mode between fan speed 4 Automatic Operation If the unit is set in AUTO mode the unit operates automatically according to the room temperature to keep the room temperature comfortable FAN ONLY COOL DEHUMI AUTO QUICK DIFICATION H H H L H H M M M L M H L L...

Page 21: ...lower than 0 C at the end of 10 minutes of continuous compressor operation from the start the microcomputer of the unit stops the compressor to protect the unit from the frost The control procedure for indoor coil freeze protection 1 The compressor and outdoor fan turn off 2 Indoor fan operates according to user set speed 3 The normal operation returns when the indoor coil temperature is higher th...

Page 22: ...tomatically operate as following Figure 1 0 C OFF ON Room temperature Desired temperature Room temerature Desired temperature 0 C L M H 1 C 2 C R T D T D T Desired temperature Room temperature Outdoor Fan Compressor ON Indoor Fan Low speed Desired temperature Room temperature Compressor 3 min ON 5 min OFF Indoor Fan 3 min 30 second ON 4 min 30 second OFF Fan Speed low speed Room temperature 18 C C...

Page 23: ...R The option is LEFT RIGHT direction Quick Mode Powerful Cooling 1 OFF ON Room temperature 18 C 0 1 Self Diagnostic Function The control will contain diagnostic test to verify the integrity of the system 1 Error Code Display Pattern ON LAMP ON Red LED ON OFF Error Code Only Emergency mode ERROR CODE DISPLAY PATTERN ERROR CONTENTS 3 Compressor Electrical parts of comp Gas leak 8 seconds 0 5 second ...

Page 24: ...RN BRN BLU POWER CORD BLK YEL GRN CAPACITOR OUTDOOR TERMINAL BLOCK YEL RED S C R COMPRESSOR FAN HERM C 1 1 BLK BLK RED RED BLU ORG RED BLK RED PINK BLU ORG YEL YEL WHT BLU RED GRN YEL GRY BRN BLK BLK BLK BLK BLK 2 TRANS 1 1 2 3 4 5 6 7 8 1 23 4 I D SENSOR LED PCB 2 1 2 3 S C R INDOOR FAN MOTOR FAN MOTOR CAPACITOR SWING MOTOR 1 2 1 2 3 4 5 Y L Y L 1 2 3 ...

Page 25: ...30V 50Hz 1 Stepping Motor 3108003900 GSP 24SW 061 1 Terminal Block 3108901230 SN DBW 03P 1 Compressor 3RC0020JE0 RBB090A001 1 DAEWOO COMP 3107101800 QK164PN12F 1 L G COMP Fan Motor ODU 3108004100 IC 9630DWLF5A 1 Dual Capacitor 3109501201 1 8 25µF 400VAC 1 RBB 090A 3109502010 1 8 30µF 400VAC 1 QK164PN Terminal Block 3108901230 SN DBW 03P 1 DSB 121L PART NAME PART CODE SPEC QUANTITY REMARK Fan Motor...

Page 26: ...e Service valve Accumulator Compressor Note If the pipe length exceeds the standard length add 30g of refrigerant per extra meter Contents Model Name Capillary Tube Charge Quantity DSB 070L IDØ1 6 x ODØ3 2 x 600L 800 g DSB 091L IDØ1 78 x ODØ3 2 x 1200L QK164PN12F LG COMP IDØ1 6 x ODØ3 2 x 600L RBB090A001 DAEWOO COMP 1 000 g DSB 121L IDØ1 6 x ODØ3 2 x 600L 1 300 g ...

Page 27: ...temp Air clean lamp Quick lamp Remote Emergency Operation Signal receiver Timer lamp A D converter lnitialization Clock generation DC power supply Circuit for motor driving Circuit for relay driving Circuit for TRIAC control Transformer Circuit for signal receiver MICRO CONTROLLER Beeper Temp Setting ON OFF SLEEP REMOCON AC220V 50Hz STEPPING MOTOR ON OFF COMPRESSOR ON OFF DC5V DSB 070L DSB 091L DS...

Page 28: ...RMER RL1 COMP RELAY TRIAC OVERLOAD PRO TECTOR COMPRESSOR OUTDOOR UNIT FAN MOTOR TERMINAL BLOCK N L INDOOR COIL SENSOR Display Part Control Part Signal Receiver FMC CMC Y L Indoor Unit Fan Motor 7 ELECTRIC CIRCUIT DIAGRAM DSB 070L DSB 091L DSB 121L 1 ELECTRIC CIRCUIT DIAGRAM ...

Page 29: ...nce more the relay and triac are turn off and the unit stops operation 3 The unit turns on or off according to the temperature setpoint by sensing the room air temperature through thermistor 4 If the fan speed selection is set to the auto position the fan speed is automatically controlled according to the temperature differance between room temperature and temperature setpoint 5 If you press the O...

Page 30: ...check the failure code according to the self diagonostic note 2 Normal check the connecting point of magnetic contactor YES YES YES YES NO NO YES Troubl Is the po applied to unit Is the power nor check the voltag L Y of te block press the powe button on remot Does th beeper bee times Is the dis all off Check the connec PCB connected to Check the displa NO YES YES YES YES YES NO NO Is the unit disp...

Page 31: ...on wires Check the wiring of indoor Is the switch position on switch pannel at Remote Does control PCB status LED repeat one second on and off control PCB fault Micom or reset IC fault Check the remote signal receiver Check the connection between signal receiver and control PCB Place the switch position to the Remote and then Check it once more YES YES NO NO NO NO NO ...

Page 32: ... runs Check following points first There are following cases in normal operation a Is the temperature set point suitable b Has the 3 minutes time guard for compressor operated Error Code When the compressor do not run i Check the voltage between and of terminal block Indoor Unit Outdoor Unit ii Check connecting wire of indoor unit and outdoor unit iii Check relay RL1 on power P C B Check fixing of...

Page 33: ...oes not run The power is applied to the unit Check the voltge between and of terminal block Y L Check the Breaker or Fuse Self Diagnostic function is ON Check according to self Diagnostic function Control P C B defect Check the indoor unit display is the display all off Press the ON OFF switch of Remote Control Is the indoor unit display all off Pull out the power plug and then insert the power pl...

Page 34: ...k the fan motor capacitor Check the connecting wire of indoor fan motor Run again Check the starting of indoor fan motor Run again Check the Fan Motor bearing and fan Check the power P C B The circuit for triac control Change of fan motor Normal NO Rating voltage under 90 Open or short No YES YES Rating Voltage more than 90 Normal Outdoor Unit Runs but Indoor Fan Do Not Run ...

Page 35: ...ing dehumidifier mode Outdoor Fan and Compressor Do Not Run Check the voltge between and of indoor unit terminal Y L Check the voltge between and of outdoor unit terminal Y L Check the voltge between and of outdoor unit terminal Y L Check compressor outdoor fan motor individually Check the connecting wire Check the connecting wire Check the wiring and voltage within doors Rating voltage under 90 R...

Page 36: ...door unit Check the compressor Check the winding resistance Check the compressor capacitor Check the connecting wire between indoor and outdoor Change the magnetic contactor Change the compressor Check the control P C B the circuit for relay driving Rating voltage less than 90 NG Open or Short Rating voltage less than 90 Rating voltage more than 90 Rating voltage more than 90 OK Only Compressor Do...

Page 37: ...PCBDRIVINGDESCRIPTION ...

Page 38: ...2 1 8 IC6 65004 CN13 CN2 REMOCON CC12 222 1K R14 1K R17 JS6 JS1 JS2 RA1 CA1 F4104Z 5A 103J COMP ERR 1K R16 1K R15 R28 1K R21 1K 1K 1K 1K R20 R19 R18 CN1 G V O RCV CC1 104 PCB LED TIMER TURBO AIR ON L3 L4 L2 L1 EMERGENCY SW FLAP IC1 1 42 CE3 100µF 16V 41 40 39 38 37 36 35 34 33 32 31 30 29 1K CA1 F4104Z R26 1K R25 1K R24 1K R23 28 27 REMOCON POWER FREO RA1 5A 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Page 39: ...N CN3 CN4 I D FAN CAP TERMINAL BLOCK OUT DOOR UNIT D4 D6 D5 R2 5 6K CL1 275V 104K FUSE 250V 3A 3 3 103 CC4 CC1 104 CC BZ1 R4 1K CL OD CN8 RL3 RL2 CN7 070L 091L 4WAY O D FAN COMP COM COMP LIVE 4W 65D04 IC4 13 4 5 3 7 8 6 CE1 Circuit Description TEMPERATURE SENSING STEPPING MOTOR DRIVING TRIAC DRIVING FOR DIF BUZZER DRIVING COMPRESSOR RELAY DRIVING AC POWER SUPPLY POWER LINE FREQENCY MONITORING INPU...

Page 40: ...bout 18V is regulated 12V DC by Regulator IC7812 And it is regulated 5V DC by Regulator IC7805 VAR is serge filter and CC1 CC2 CC3 is Noise filter AC 220V CL1 275V 104K VAR FUSE1 3 15A POWER TRANS D2 CC1 CE1 D3 D1 D4 104 35V 1000µF IC2 7812 VI VO G IC3 7805 VI VO G 25V 470µF CC2 CC3 CE3 CE2 104 16V 100µF 104 12V 5V Oscillator 2 19 OSC CC13 104 5V 8M 20 VDD 10 VSS 10 Fig 2 1 DESCRIPTION Oscillatory...

Page 41: ...rmister Resistance Micom is put in 5V by ratio between R10 12 7KΩ and R11 12 7KΩ Relation between temperature and voltage is following Table 3 1 CC5 6 is Noise filter Temperature C No 1 No 3 5 1 127 1 127 0 1 378 1 378 5 1 650 1 650 10 1 936 1 936 15 2 228 2 228 Voltage V Table 3 1 Sensor 3 Room PT K43C EVA PT K43C 5267 04A CN10 5V 1 2 3 4 R10 12 7K 330 CC6 103 R6 330 R7 R11 12 7K CC5 10 24 25 MIC...

Page 42: ...ac is detected Zero Cross Part of AC input and it is triggered from Zero Cross part to Time delay part according to Fan Speed Ref Fig 4 1 SN1 is Snubber N L AC 220V TO MOTOR T1 SM3JZ47 L1 1 2 130µH 3A SN1 0 1µF 120Ohm TLP561 PT1 12V R5 1K 1 2W IC4 KID 65004 MICOM 38 2 15 AC220V TRIGGER MOTOR INPUT LOW SPEED MEDIUM SPEED HIGH SPEED Fig 4 1 LOW SPEED MEDIUM SPEED HIGH SPEED ...

Page 43: ...USTOM CODE DATA CODE CHECK SUM TAILER 9ms 4 5ms 16bit 16bit 24bit 8bit Fig 5 1 Fig 5 2 BIT STRUCTURE Remote Controller 5 0 56ms 0 56ms 1 69ms 1 12ms 2 25ms bit 0 bit 1 Selecting Mode 6 SELECT S W INPUT OUTPUT MICOM 13 R14 1K RA1 5V CA1 F4104Z P2 MODE SELECT PUSH S W DESCRIPTION There are Mode according to SW position as following Table 6 1 According as port of fixed Micom is Low the unit is operat...

Page 44: ...IPTION MICOM Power is supplied 5V at Number 42 using VDD Number 19 20 Vsing Oscillator CC13 is noise filter Micom Power Supply 7 VDD 42 CE5 10µF 16V CC11 104 CC13 104 5V 41 40 39 22 21 19 OSC 8MHz 20 VSS MICOM ...

Page 45: ...com Terminal of Number 18 and then Micom reset Reset IC detect Power ON and Voltage less than 4 25V and then send Reset Signal Reset 8 MICOM 18 CC9 103 R12 1K CE4 4 7µF 50V IC5 7042P R13 5 6K 5V 4 25V H L t t POWER ON Vcc 5V DELAY TIME FOR POWER ON RESET ...

Page 46: ...ing table 9 1 ƒRWhen power source is put at fist Funtion selection input is recognized And when the unit is running the microcomputer ignore variation of funtion selection input JS5 5V CA1 F4104Z 1K R17 1K R16 14 15 16 30 29 28 27 1K R15 1K R26 R29 5V test mild high JS3 50 60hz JS4 heat cool 1K R25 1K R24 1K R23 CA1 F4104Z MICOM COMP ERR JS1 RA1 5A 103J RA1 5A 103J JS2 Function Selecting 9 SHORT O...

Page 47: ...is used to put in the Micom Detail Driving is as following Fig 11 1 R19 is Resistance to limit current MICOM TRANS OUTPUT D5 D6 R2 5 6K 1 2 CC4 103 TR1 KRC120M 1 2 1 2 3 2 1 R3 10K R27 1K VCC 31 DETECT POINT H The Number 31 of Micom terminal AC18V L Fig 11 1 Zero Crossing Detect 11 ...

Page 48: ... and it is used 4 face Drive Method It is driving as following Fig 12 1 Ring Count Method of 8 Status Ø 4 Ø 3 Ø 2 Ø 1 B 6 5 4 3 2 1 12V IC6 KID65004 CN13 1 MICOM 2 3 4 M1 FOR SWING Ø 4 Ø 3 Ø 2 Ø 1 Fig 12 1 Normal Rotating Reversed Rotating Stepping Motor Driving 12 ...

Page 49: ... Check the Following BATTERY SPRING MICOM PCB LCD Is Display at the beginning ON Is Display at the beginning ON Is it normal Is it normal Is it normal 2 REMOTE CONTROLLER ASSMBLY FUNCTIONAL TEST METHOD 45 ERROR No ERROR No Whenever you selectted Temp Button it is changed by 1 C 18 32 C Select TEMP Button Select ON OFF button Is display at the begining ON Is it normal ...

Page 50: ...L Button Select ON OFF Button Select OFF Timer Button Select SLEEP Button Select SLEEP Button TEST OK Is LCD display OFF Is it normal display TIMER Is all display OFF Is it normal SLEEP MODE Display ON Is display at the beginning ON ERROR No ERROR No ERROR No ERROR No ERROR No ERROR No ...

Page 51: ...SO P76 HSCK P75 SO P74 SI P73 SCK P72 PDO PWM P71 INT4 P70 INT3 TC3 P07 P06 P05 P04 P03 P02 P01 P00 TEST RESET XIN XOUT VASS VSS 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 Steppping Motor Driving Indoor Unit Motor Driving Buzzer Driving Remocon Input Comp Relay Driving Zero Crosing Detect Function S W Temperature Sensor Input LED Driving Emergency Mode Function S W Reset Curcui...

Page 52: ...DIODES COMMON 10 5K 7 2K 3K OUTPUT GND INPUT 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 is ground for Case 1 10K INPUT GND 10K 300 36K 64K 520 26K 60K 29K 20K 20K 40 pF 50K 50 200 300 200 100 16K 210 012 OUTPUT Top View Pin 1 INPUT 2 GROUND 3 OUTPUT Pin 1 INPUT 2 GROUND 3 OUTPUT...

Page 53: ...49 5 U9 KIA7042P RESET IC KIA70 42P OUTLINE INPUT GROUND OUTPUT VCC 1 3 2 OUT GND ...

Page 54: ...from connection at the Control PCB Remove the select switch from connection at the Control PCB Loosen a screw for fixing ground wire Remove the Control Box 4 Removing the Drain Pan Fig 4 Disconnect the Body drain hole left and right Body Disconnect three hook and remove the Drain Pan 5 Removing the Indoor Evaporator Fig 5 6 Remove one screw for fixing indoor Evaporator at the Body Remove the hook ...

Page 55: ...r lead wire from connection at the Control PCB Remove the select switch from connection at the Control PCB Loosen a screw for fixing ground wire Remove the Control Box 4 Removing the Drain Pan Fig 4 Disconnect the Body drain hole left and right Body Disconnect three hook and remove the Drain Pan 5 Removing the Indoor Evaporator Fig 5 6 Remove three screw for fixing indoor Evaporator at the Body Re...

Page 56: ...er Fan Fig 3 Loosen the Nut for fixing the Propeller Fan Remove the Plain Washer Remove the Propeller Fan 4 Removing the Motor ODU Fig 4 Loosen four screw at Bracket Motor Disconnect the wire at Control Panel and remove Motor ODU 5 Removing the Dual Capacitor Fig 5 Disconnect the wire at Control Panel Loosen a screw at Clamp Capacitor Remove the Dual Capacitor 6 Removing the Over load Protector Fi...

Page 57: ...oosen the Nut for fixing the Propeller Fan Remove the Plain Washer Remove the Propeller Fan 4 Removing the Motor ODU Fig 4 Loosen four screw at Bracket Motor Disconnect the wire at Control Panel and remove Motor ODU 5 Removing the Dual Capacitor Fig 5 Disconnect the wire at Control Panel Loosen a screw at Clamp Capacitor Remove the Dual Capacitor 6 Removing the Over load Protector Fig 6 7 Loosen a...

Page 58: ...54 3 EXPLODED DIAGRAM Indoor Unit DSB 070L DSB 091L ...

Page 59: ...0 CONTROL PCB ASS Y 1 19 5 3108912300 TERMINAL BLOCK 1 SN DBW 03P 19 6 3104896300 SENSOR ID ASS Y 1 PTM KD 43C D2 19 7 3102797910 HARNESS 1 I D EARTH 19 8 31013A24B1 POWER CORD ASS Y 1 16A 250V 19 9 7111301611 SCREW TAPPING 2 T1S PAN 3x16 MFZN 20 3100400400 BODY TOP 1 HIPS T2 0 21 3102200800 FRAME GRILLE 1 HIPS T2 5 22 3104508700 PLATE LED 1 PC SHEET T0 2 23 3104510200 PLATE SWITCH 1 PC SHEET T0 2...

Page 60: ...56 DSB 121L ...

Page 61: ...SHING R 1 POM 13 3107600300 FLAP 1 ABS 14 3108000100 MOTOR STEPPING 1 MG28GA 15 3100017510 CONTROL BOX ASS Y 1 BUYER 15 1 3100503101 BOX CONTROL 1 P P G F20 15 2 5EPV050100 TRANS FORMER 1 DWA220A 50 60Hz 15 3 3106900300 CAPACITOR SH M B 1 1 0µF 400VAC 15 4 3100054400 CONTROL PCB ASS Y 1 FR 1 15 5 3100054200 LED PCB ASS Y 1 FR 1 15 6 3108901230 TERMINAL BLOCK 1 SN DBW 03P 15 7 3104896300 SENSOR I D...

Page 62: ... ABS 21 3100900800 CAP FRAME R 1 ABS 22 3101401701 COVER TERMINAL BLOCK 1 ABS 23 3100017800 FILTER ELECTRO ASS Y 1 24 3100017900 FILTER CARBON ASS Y 1 25 3100017700 FILTER PRE ASS Y 2 26 3108400110 REMOCON ASS Y 1 BUYER 27 3102401500 INSERT GRILLE 1 ABS 28 3107500200 EMBLEM 1 URETANE BUYER 29 3100602400 BRACKET PIPE 1 HIPS 30 3101201200 CLAMP BRACKET PIPE 1 HIPS 31 3104503900 PLATE MOUNTING 1 SBHG...

Page 63: ...59 4 EXPLODED DIAGRAM Outdoor Unit DSB 070L DSB 091L DSB 121L After ...

Page 64: ...2 9 3105400800 SERVICE VALVE 1 1 4 10 3100006400 PIPE COND IN ASS Y 1 C1220T 070L 091L 3104410710 121L 11 3104412800 PIPE COND OUT ASS Y 1 C1220T 121L 12 3104411411 PIPE OUTLET 1 C1220T 070L 091L 3104411420 121L 3100055100 070L LG COMP QB125PL12B 13 3100055110 PIPE SUCTION ASS Y 1 C1220T 091L LG COMP QK164PN12F 3100055300 091L DW COMP RBB090A001 3100020710 121L DW COMP RCB120A001 3100055200 070L L...

Page 65: ...1 8 30µF 400VAC 091L DW COMP RBB090A001 3109500700 3 5 25µF 400VAC 121L DW COMP RCB120A001 26 3101201100 CLAMP CAPACITOR 1 SBHG1 T1 0 27 3101202000 CLAMP CORD 1 NYLON 28 3100801200 CABINET FRONT 1 SECC T0 8 29 3102402500 GRILLE DISCHAGE 1 Ø425 5 30 3103502210 LABEL BRAND 1 P C FILM T0 4 31 3100801300 CABINET SIDE 1 SECC T0 8 32 3104201800 PANEL TOP 1 SECC T0 8 33 3102600300 HANDLE 1 A E S T2 5 WH1...

Page 66: ...62 DSB 121L Before ...

Page 67: ...0020600 PIPE DISCHARGE ASS Y 1 C1220T 14 3100020700 PIPE SUCTION ASS Y 1 C1220T 15 3100014200 FILTER ASS Y 1 C1220T 16 3100800600 CABINET BACK 1 ABS or AES 17 3104503800 PLATE PARTITION 1 SBHG1 18 3100601901 BRACKET MOTOR 1 SBHG1 19 3108000800 MOTOR ODU 1 IC 9430DWLC5A 20 3101801000 FAN PROPELLER 1 ABS G F20 21 3100015400 PANEL CONTROL ASS Y 1 21 1 3104201301 PANEL CONTROL 1 SBHG1 63 DSB 121L Befo...

Page 68: ...S or AES 23 3100800501 CABINET FRONT 1 ABS or AES 24 3104201201 PANEL ORIFICE 1 P P 25 3101401900 COVER GRILLE 1 ABS or AES 26 3104201100 PANEL TOP 1 ABS or AES 27 3102600300 HANDLE 1 ABS or AES 28 3102100700 FOOT CUSHTON 4 NBR 29 7112401211 TAPPING SCREW 19 T1S TRS 4 X 12 MFZN 30 7112402011 TAPPING SCREW 4 T1S TRS 4 X 20 MFZN 31 3106001600 SPECIAL SCREW 1 T2 4 X 16 MFNI LOCKING 32 7112401614 TAPP...

Page 69: ...65 5 CONTROL BOX ASSEMBLY 4 3 9 8 5 6 1 0 7 2 DSB 070L DSB 091L ...

Page 70: ...SOR ID ASS Y 1 PTM KD43C D2 6 3101300100 POWER CORD ASS Y 1 16A 250V 7 3102797610 HARNESS 1 I D COMP 8 3102797910 HARNESS 1 I D EARTH 9 3102704000 HARNESS 1 POWER 10 3102704500 HARNESS 1 LED PCB Caution In this Service 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 Parts Price List in...

Page 71: ...67 6 5 4 3 1 2 7 8 H1 H3 H2 S H3 DSB 121L ...

Page 72: ...7 5EPV050100 TRANS FORMER 1 DWA220A 50 60Hz 8 3106900300 CAPACITOR SH M B 1 1 0µF 400VAC H1 3102797610 HARNESS I D COMP 1 H2 3102797500 HARNESS LED PCB 1 S 3104896300 SENSOR ID ASS Y 1 PTM KD 43C D2 H3 3102794000 HARHESS POWER 1 Caution In this Service Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information pleas...

Page 73: ...U SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 82 2 364 5588 TEL 82 2 360 7114 8114 http www dwe daewoo co kr S M NO DSB070L010 PRINTED DATE APR 1999 SERVICE MANUAL DAEWOO ELECTRONICS CO LTD OVERSEAS SERVICE DEPT ...

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