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DAEWOO ELECTRONICS KOR-4A170S, Service Manual, Page: 1 / 27

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Service Manual

Microwave Oven

Model: KOR-4A170S

S/M No. : 

OR4A170S001

Aug. 2010

✔

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-4A170S

Page 1: ...70S001 Aug 2010 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...

Page 2: ...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 microwave leakage chec...

Page 3: ...ertified oven unit is found to servicing a microwave emission check should be performed prior to servicing the oven a inform the manufacturer importer or assembler b repair the unit at no cost to the...

Page 4: ...0 W MICROWAVE ENERGY OUTPUT 500 W FREQUENCY 2 450MHz OUTSIDE DIMENSIONS W H D 424 x 223 x 317 mm CAVITY DIMENSIONS W H D 275 x 178 x 297 mm CAVITY VOLUME 15 L NET WEIGHT APPROX 9 0 Kg TIMER 35min DUAL...

Page 5: ...4 1 OUTER DIMENSION 424 316 229 EXTERNAL VIEW...

Page 6: ...always be used for cooking together with the glass cooking tray 7 7 Glass cooking tray Made of special heat resistant glass The tray must always be in proper position before operating Do not cook food...

Page 7: ...of special type which if damaged must be repaired with cable of same type Such a cable can be purchased from DAEWOO and must be installed by a qualified person 6 Examine the oven after unpacking for a...

Page 8: ...the time during cooking simply adjust the timer to the desired time 7 When the timer reaches zero a bell will ring and the unit will turn off Oven light turns off If additional cooking time is needed...

Page 9: ...pair 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...

Page 10: ...rd 2 To remove door assembly 1 Remove two screws 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 11: ...move the barrier screen outer from the frame door 7 Reverse the above steps for reassembly A00 3511730530 DOOR AS KOR 4A170S 1 A01 3512211430 FRAME DOOR HIPS SG 970 HG 1760H 1 A02 3512607900 HANDLE DO...

Page 12: ...ighten two screws 3 To reduce gap located on part C Loosen the screw on the interlock switch assembly located the top of the oven body Draw the interlock switch assembly inward as possible to engage w...

Page 13: ...r and V P C knob from the control panel 7 Reverse the above steps for reassembly B00 3516740480 CONTROL PANEL AS KOR 4A170S NON EC 1 B01 3513412500 KNOB VPC ABS SG 0760D SG 175 1 B02 3511620800 DECORA...

Page 14: ...screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Reverse the above steps for reassembly C00 3512530430 GUIDE WIND AS KOR 4A070S 1 C01 3512530410 GUIDE WIND PP 1 C02 396351310...

Page 15: ...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 magnetron to prevent...

Page 16: ...ove wind guide assembly 1 Remove the screw for earthing 2 Remove the noise filter from the wind guide 3 Remove the screw which secure the wind guide assembly 4 Draw forward the wind guide assembly 5 P...

Page 17: ...hen the button of the primary interlock switch bring it under ON condition 2 Secondary interlock switch and interlock monitor switch When the door is closed the hook pushes the lock lever downward The...

Page 18: ...mer YES If outlet has proper voltage check continuity of power supply cord Replace power supply cord NO Continuity Check continuity of interlock monitor switch with door shut Replace primary secondary...

Page 19: ...able motor NO If microwave do not oscillate check continuity of filament of magnetron Poor continuity NO Continuity Check continuity filament tap 3 3V of high voltage Replace high Voltage transformer...

Page 20: ...r the water temperature to attain 20 C 2 C is measured The oven is then switched off and the final water temperature is measured within 60s NOTE 1 The water stirred is before its temperature is measur...

Page 21: ...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 seem...

Page 22: ...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 in both directions A normal diode s res...

Page 23: ...22 WIRING DIAGRAM...

Page 24: ...OR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 GUIDE WIND ASSEMBLY Refer to Disassembly and assembly 4 TOTAL ASSEMBLY EXPLODED VIEW AND PART...

Page 25: ...0 3518400800 DIODE HV AS ESJC13 12BX CL01 12 1 F21 3518704300 FUSE HV 5KV 0 5A HV 41A50 1 F22 3518125700 TRANS HV S1S55A EA30 1 F23 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F24 3510319300 BASE...

Page 26: ...S M NO OR4A170S001 DAEWOO ELECTRONICS CORP 1 2 Jeo dong 1 il ga Jung gu Seoul Korea C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Aug 2010...

Page 27: ...V VI IS SI IO ON N C CR RE EA AT TI IV VE E I IN NC C 6 4 ABOUT THIS MANUAL ABOUT THIS MANUAL M O D E L KOR 4A170S S M 2010 08 12 1 2 3 4 5 MEMO 26p VISION TEL 730 0660 FAX 730 3788 10 08 12 26p...

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