Daewoo KOR-1A1G0A Service Manual Download Page 1

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Service Manual

Microwave Oven

Model: KOR-1A1G0A

KOR-1A1H0A
KOR-1A1G1A
KOR-1A1H1A
KOR-1A1G2A
KOR-1A1H2A
KOR-1A1G4A
KOR-1A1H4A
KOR-1A4G0A
KOR-1A4H0A
KOR-1A4H1A

http : //svc.dwe.co.kr

Jun. 2000

DAEWOO ELECTRONICS CO., LTD.

S/M No. : R1A1G0A003

Summary of Contents for KOR-1A1G0A

Page 1: ...Microwave Oven Model KOR 1A1G0A KOR 1A1H0A KOR 1A1G1A KOR 1A1H1A KOR 1A1G2A KOR 1A1H2A KOR 1A1G4A KOR 1A1H4A KOR 1A4G0A KOR 1A4H0A KOR 1A4H1A http svc dwe co kr Jun 2000 DAEWOO ELECTRONICS CO LTD S M...

Page 2: ...low the oven to be operated with the door open b Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source and make repairs as necessary 1...

Page 3: ...ck should be performed prior to servicing the oven 2 If any certified oven unit is found to servicing a microwave emission check should be performed prior to servicing the oven a inform the manufactur...

Page 4: ...9 0 x 14 7 in NET WEIGHT 15 5 Kg 34 2 lbs 16 0 Kg 35 31 lbs TIMER 99 min 99 sec FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 10 LEVELS CAVITY VOLUME 1 1 Cu Ft MODEL KOR 1A4G H 0A and KOR 1A4H1A POWE...

Page 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION 1 KOR 1A1G H 2 KOR 1A4G H...

Page 6: ...Protects the microwave outlet from splashes of cooking foods 5 OVEN LAMP Automatically turns on during oven operating 6 SAFETY INTERLOCK SYSTEM 7 CONTROL PANEL 8 GLASS COOKING TRAY Made of special he...

Page 7: ...lows viewing of food Microwave cannot pass through perforations in screen 4 SPATTER SHIELD Protects the microwave outlet from splashes of cooking foods 5 OVEN LAMP Automatically turns on during oven o...

Page 8: ...eat 5 More Used to add time to cooking 6 Less Used to remove time from cooking 7 Auto Defrost Used to defrost foods for weight 8 Power Used to set power level 9 Defrost Used to defrost foods for time...

Page 9: ...me to cooking 5 Less Used to remove time from cooking 6 Auto Defrost Used to defrost foods for weight 7 Power Used to set power level 8 Defrost Used to defrost foods for time 9 Kitchen Timer Used as a...

Page 10: ...approximately 12 amperes 120Volts 60Hz ground outlet Power supply cord is about 0 8 meters long 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in or tri...

Page 11: ...Clear pad is touched during the oven operation the oven stops cooking and all information retained To erase all information except the present time touch the Stop Clear pad once more If the oven door...

Page 12: ...repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation stopped and electric charge remains in the high voltage capacitor When replacing...

Page 13: ...cabinet backward 2 To remove door assembly 1 Remove screws which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for reassembly After replacing th...

Page 14: ...er screen outer from door frame 7 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3517005900 BARRIER SCREEN O PET TO 0 25 1 A02 3512204300 FRAME DOOR ABS...

Page 15: ...DESCRIPTION Q TY REMARK A01 3511711300 DOOR PAINTING AS KOR 1A1G0A 1 A02 3513100730 HOOK POM BLACK 1 A03 3515101300 SPRING HOOK PW1 1 A04 3517005910 BARRIER SCREEN O GLASS T3 2 1 A05 3512204320 FRAME...

Page 16: ...h the door to contact the door seal to oven front surface Tighten two screws 3 To reduce gap located on part C Loosen a screw on interlock switch assembly located top of oven body Draw the interlock s...

Page 17: ...oor open button and button spring from the control panel 7 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3518522100 SWITCH MEMBRANE KOR 1A1G0A 1 3518522...

Page 18: ...the PCB assembly 4 Detach membrane from the control panel 5 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3511604800 DECORATOR C PANEL STS304 T0 6 1 B02...

Page 19: ...ring 7 To remove magnetron 1 Remove a screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly DISASSEMBLY AND ASSEMBLY Never install the magnetron without the...

Page 20: ...ull the fan from the motor shaft 4 Remove two screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Reverse the above steps for reasembly 9 To remove H V transformert 1 Remove fou...

Page 21: ...losed the hook pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under NO condition and presses the button of the secondary interlock switch...

Page 22: ...continuity o f primary winding of low voltage transformer Malfunction of interlock monitor switch Defective low voltage transformer Check continuity of interlock monitor switch with door closed Replac...

Page 23: ...lock Mechanism And Adjustment NOTE CONDITIO N CHECK RESULT CAUSE REMEDY Turn table motor and oven lamp do not turn on No Continuity Check continuity of primary interlock switch Check continuity of sec...

Page 24: ...cuit Faulty contacts of RELAY RY1 or open relay coil REMEDY Replace Replace Replace Replace Replace Replace Replace Replace No microwave oscillation Check continuity of high voltage rectifier in forwa...

Page 25: ...ime while counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when clear pad is touched 11 Oven lamp and turntable motor do not stop although...

Page 26: ...ssel the load is immediately placed on the center of the shelf which is in the lowest normal position 4 Microwave power is switched on 5 Heating time should be exactly A seconds Refer to table as foll...

Page 27: ...door cabinet door seem door viewing screen the exhaust air vents and the suction air vents 3 Measuring should be in a counter clockwise direction at a rate of 1 in sec If the leakage of the cabinet d...

Page 28: ...the highest resistance scale measure the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries should be...

Page 29: ...28 WIRING DIAGRAM 1 KOR 1A1G H 0A KOR 1A4G H 0A...

Page 30: ...AT GN R L RD WH BL GN RELAY 1 RELAY 2 CONTROL P W B ASS Y WH POWER SUPPLY SINGLE PHASE ONLY HIGH VOLTAGE RD CL SWITCH UPPER H V CAPACITOR H V DIODE MAGNETRON TRANSFORMER RD PRIMARY INTERLOCK WH SECOND...

Page 31: ...1 RELAY 2 CONTROL P W B ASS Y NEUTRAL LIVE WH FUSE 2 1 NOTE GN POWER SUPPLY SINGLE PHASE ONLY HIGH VOLTAGE CL SWITCH UPPER RD GE GREEN YELLOW H V CAPACITOR H V DIODE MAGNETRON TRANSFORMER RD GY GRAY...

Page 32: ...SWITCH LAMP WH RD GY RD BK BK BK RD GN R L RD WH BL GN RELAY 1 RELAY 2 CONTROL P W B ASS Y NEUTRAL LIVE WH 2 1 NOTE HIGH VOLTAGE CL SWITCH UPPER GE GREEN YELLOW H V CAPACITOR H V DIODE MAGNETRON TRANS...

Page 33: ...1 PIN 2 21 30 34 5VDC 2 IC 1 PIN 35 3 IC 1 PIN 31 OR 32 NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 DC 5V 0 25V Replace VL1 EC1 NO LOAD 2 MP2 DC 12V 2 0V Replace EC2 D12 13 14 NO LOAD Each measure...

Page 34: ...33 PRINTED CIRCUIT BOARD Measure Point...

Page 35: ...s opened during operation the count down timer does not stop refer to Circuit Diagram Point 1 Check method 5 When the digital clock does not operate properly refer to Circuit Diagram Point5 POINT STAT...

Page 36: ...35 2 P C B CIRCUIT DIAGRAM PRINTED CIRCUIT BOARD...

Page 37: ...X104J 1 15 RESISTOR R1 R5 1 6W 330 5 RD AZ331J 7 16 RESISTOR R8 10 12 14 22 1 6W 1K 5 RD AZ102J 5 17 RESISTOR R11 20 21 1 6W 100K 5 RD AZ104J 3 18 RESISTOR R13 1 6W 100 5 RD AZ101J 1 19 RESISTOR R15 1...

Page 38: ...PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 1 KOR 1A1G H F49 F48 F50 F51 F40 F03 F10 F34 F37 F11 F32 F35 F33 F36 F31 F25 F26 F27 F28 F29 F30 F22 F23 F24 F19 F18 F20 F21 F12 F46...

Page 39: ...1 1A1G H 4A F08 4413A90012 CLAMP POWER CORD NYLON66 1 F09 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F10 7121403011 FUSE 65TS 125V 20A 1 1A1G H 0A 2A F11 3518605800 HOLDER FUSE NYLON66 1 ONLY UL MO...

Page 40: ...1 F38 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F39 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 F40 3518905600 THERMOSTAT OFF 80 ON 50 H 187 NB 1 1A1G H 1A 3518905400 THERMOSTAT OFF 90 ON 60 H 187...

Page 41: ...40 EXPLODED VIEW AND PARTS LIST 2 KOR 1A4G H F48 F47 F12 F13 F14 F15...

Page 42: ...T2S TRS 4 30 MFZN 2 F13 3963821600 MOTOR SHADED POLE 120V 21W OEM 10DWX1 A07 1 F14 3512517000 GUIDE WIND PP 1 F15 3511800300 FAN PP 30 GLASS 1 F16 3518002900 MAGNETRON 2M218J MF P 1 F17 3516004000 SP...

Page 43: ...A4G H 0A 3518905600 THERMOSTAT OFF 80 ON 50 H 187 NB 1 1A4H1A F40 3513003400 HOLDER THERMOSTAT PBT 1 F41 7272400811 SPECIAL TAPTITE TT3 TRS 4X8 MFZN 2 F42 3511406200 COVER WAVE GUIDE HEATPROOF PP 1 F4...

Page 44: ...ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 02 360 7877 TEL 02 360 7804 E mail G7F00E web dwe co kr PRINTED DATE APRIL...

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