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Daewoo KOR-1A7G9T(AKM3180S), Service Manual, Page: 1 / 33

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Service Manual

Microwave Oven

Model: KOR-1A7G9T(AKM3180S)

S/M No. : R1A7G9T001

April. 2005

✔

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).

Summary of Contents for KOR-1A7G9T(AKM3180S)

Page 1: ...1A7G9T001 April 2005 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 P...

Page 2: ...ck monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microw...

Page 3: ...r to servicing the oven 2 If any certified oven unit is found to have excessive emission level 5mw cm2 the service person should a inform the manufacturer importer or assembler b repair the unit at no...

Page 4: ...MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 539 x 300 x 431mm 21 2 x 11 8 x 16 1 in CAVITY DIMENSIONS W X H X D 354 x 228 x 373 mm 13 9 x 9 x 14 7 in NET WEIGHT APPROX 15 8 kg 34 9 Ibs TI...

Page 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION...

Page 6: ...TERLOCK SYSTEM 6 6 CONTROL PANEL 7 7 SPATTR SHIELD Protects the microwave outlet from splashes of cooking foods 8 8 GLASS COOKING TRAY Made of special heat resistant glass The tray must always be in p...

Page 7: ...T Used to defrost foods for weight defrost 6 6 POWER Used to set power level 7 7 DEFROST Used to defrost foods for time 8 8 STOP CLEAR Used to stop the oven operation or to delete the cooking data 9 9...

Page 8: ...approximately 20 amperes 110Volts 60Hz grounded outlet Power supply cord is about 1 0 meters long 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in or t...

Page 9: ...oven is plugged in 9 Time clock returns to the present time when the cooking time ends 10 When the STOP CLEAR pad is touched during the oven operation the oven stops cooking and all information retai...

Page 10: ...ir 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 or c...

Page 11: ...ard 2 To remove door assembly 1 Remove two screw which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for reassembly NOTE After replacing the door...

Page 12: ...PP 5113MF6 1 A07 3513100730 HOOK POM BLACK 1 A08 3515101900 SPRING HOOK PW 1 1 A09 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 A10 3512602700 HANDLE DOOR U ABS XR 401 H 2938 1 1 Remove the gasket do...

Page 13: ...and then push 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...

Page 14: ...ANUAL AS 1A 1000W T 9 99 1 B04 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 4 1 Remove a screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 Remove f...

Page 15: ...1 Remove a screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly NOTE Never install the magnetron without the metallic gasket plate which is packed with each...

Page 16: ...ssembly 4 Draw forward the wind guide assembly 5 Pull the fan from the motor shaft 6 Remove two screws which secure the motor shaded pole 7 Remove the motor shaded pole 8 Reverse the above steps for r...

Page 17: ...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 to bring i...

Page 18: ...ed of the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed Check continuity of of primary interlock switch con...

Page 19: ...ity Adjust or replace Check D C voltage being sup plied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 15 VDC Replace Display do n...

Page 20: ...place Connect megger leads to mag netron terminal and magnetron body Continuity Defective mag netron Replace Check resistance of primary and secondary coil of high voltage transformer 0 or Defective h...

Page 21: ...play obviously jumps in time while counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when the STOP CLEAR pad is touched 11 Oven lamp and tu...

Page 22: ...essel 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 fol...

Page 23: ...binet 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 door is u...

Page 24: ...istance reading Meter with 6V 9V or higher voltage batteries should be used to check the front back resistance of the diode otherwise an infinite resistance may be read A normal diode s resistance wil...

Page 25: ...24 WIRING DIAGRAM...

Page 26: ...OTE Each measure point must be measured with GND point NOTE 1 Refer to Circuit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power sou...

Page 27: ...26 Measure Point MP1 MP2 GND...

Page 28: ...gital clock does not operate properly Refer to Circuit Diagram If clock does not keep exact time you must check resistor R20 and zener diode ZD2 STATE POINT A B RELAY 2 ON 5VDC GND RELAY 2 OFF GND 12V...

Page 29: ...28 2 PCB CIRCUIT DIAGRAM...

Page 30: ...RD AZ331J 7 17 RESISTOR R1 10 12 17 18 22 1 6W 1K 5 RD AZ102J 6 18 RESISTOR R9 1 6W 100K 5 RD AZ104J 1 19 RESISTOR R11 1 6W 200 5 RD AZ201J 1 20 RESISTOR R13 R19 R20 1 6W 10K 5 RD AZ103J 3 21 RESISTO...

Page 31: ...30 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY EXPLODED VIEW AND PARTS LIST...

Page 32: ...ECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F19 7122400811 SCREW TAPPING T2S TRS 4 8 MFZN 1 F20 3513003200 HOLDER HV CAPACITOR SECC T0 6 1 F21 3518302201 CAPACITOR HV 2100VAC 0 98UF 187 75MM 1 F22 3518400...

Page 33: ...S M NO DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE April 2005...

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