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Service Manual

Microwave Oven

Model: KOR-1N4A9W

S/M No. : 

Feb. 2013

✔

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).

Содержание KOR-1N4A9W

Страница 1: ...Feb 2013 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...

Страница 2: ...NING Only allow children to use the oven without supervision when adequate instructions have been given so that the child is able to use the oven in a safe way and understands the hazards of improper...

Страница 3: ...ified 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 own...

Страница 4: ...NCY 2450MHz OUTSIDE DIMENSIONS W H D 515 x 304 x 375 mm 20 3 x 12 0 x 14 8 in CAVITY DIMENSIONS W H D 356 x 239 x 358 mm 14 0 x 9 4 x 14 1 in CAVITY VOLUME 1 1 cu ft NET WEIGHT APPROX 13 4 kg 29 5 lbs...

Страница 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION 515 mm 375 mm 304 mm...

Страница 6: ...the door push the door open button 8 8 Waveguide cover Protects the microwave outlet from splashes of cooking foods 9 9 Roller guide This must always be used for cooking together with the glass cookin...

Страница 7: ...k or reheat specific quantites of food 4 4 DEFROST Used to defrost foods for weight and time 5 5 TIME SET PAD Used to set the cooking time and the current time 6 6 POWER Used to set power level 7 7 CL...

Страница 8: ...This appliance is supplied with cable 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...

Страница 9: ...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 is opened during the...

Страница 10: ...t the electric charge in the high voltage capacitor For about 30 seconds after the operation has stopped electric charge remains in the high voltage capacitor When replacing or checking parts short be...

Страница 11: ...ard 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 doo...

Страница 12: ...spring and the hook 6 Remove the barrier screen o from the door sub as 7 Reverse the above steps for reassembly A01 3517010500 BARRIER SCREEN O SAN T1 5 SMOG 1 A02 3511727200 DOOR SUB AS KOR 1N4A9A 1...

Страница 13: ...then push the door to contact the door seal to the oven front surface Tighten two screws 3 To reduce gap located on part C Loosen the screw on the interlock switch assembly located the top of the ove...

Страница 14: ...ane holder LED lever door open spring button and button door open from the control panel sub as 6 Reverse the above steps for reassembly B01 3518510100 SWITCH MEMBRANE KOR 1N4A9S 1 B02 3513005100 HOLD...

Страница 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 m...

Страница 16: ...ve 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 Pu...

Страница 17: ...ses the button of the interlock monitor switch to bring it under OFF condition NO position and the lock lever presses the button of the DOM switch to bring it under ON condition NO position 3 Adjustme...

Страница 18: ...again blows Replace Disconnect high voltage fuse and operate the unit Continuity Check continuity of both primary and secondary interlock switch with door colosed Malfunction of interlock switch Cont...

Страница 19: ...rlock switch RESULT No Continuity CAUSE REMEDY Adjust or replace Turn table motor and oven lamp do not turn on Check continuity of secondary interlock switch Malfunction of secondary interlock switch...

Страница 20: ...ction Defective high voltage rectifier Replace Connect megger leads to magnetron terminal and magnetron body Continuity Defective magnetron Replace Check resistance of primary and secondary coil of hi...

Страница 21: ...hile counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when the STOP CLEAR button is pushed in case of setting the present time 11 Oven lam...

Страница 22: ...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...

Страница 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 seem...

Страница 24: ...tance 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 will...

Страница 25: ...24 WIRING DIAGRAM...

Страница 26: ...former changes in proportion to fluctuation of power source oltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must be measured with GND p...

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

Страница 28: ...the digital clock does not operate properly refer to Circuit Diagram If clock does not keep exact time you must check resistor R12 R17 D8 C3 and zener diode ZD1 POINT A B STATE RELAY 2 ON GND 5V DC R...

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

Страница 30: ...201J 1 18 RESISTOR R1 6 8 10 1 6W 330 OHM 5 RD AZ331J 9 19 RESISTOR R15 27 28 1 6W 1K OHM 5 RD AZ102J 3 20 RESISTOR R21 26 1 6W 4 7K OHM 5 RD AZ472J 2 21 RESISTOR R12 17 19 23 1 6W 10K OHM 5 RD AZ103J...

Страница 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...

Страница 32: ...TRS 4X8 SE MFZN 1 F19 3513003200 HOLDER HV CAPACITOR SECC T0 5 1 F20 3518303401 CAPACITOR HV 2100VAC 1 05UF 187 1 F21 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F22 3518701900 FUSE HV 5KV 800mA 1 F23...

Страница 33: ...S M NO 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 Feb 2013...

Страница 34: ...is si io on n c cr re ea at ti iv ve eL L i in nc cN N V T ABOUT THIS MANUAL ABOUT THIS MANUAL m o d e l korMQnTaYw HsOmI RPQSNPQNSQ memo SS vision telZ WSPMPVVP faxZ WSPMSWXX QSNPQNSQM L L QQ L QS L...

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