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Service Manual

Microwave Oven

Model: KOR-6L5K3S

KOR-6L5K5S

S/M No. :

Aug. 2012

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).

OR6L5K3S5S

Summary of Contents for KOR-6L5K5S

Page 1: ...Aug 2012 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...

Page 2: ...shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the federal performance st...

Page 3: ...ing 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 manufacturer importer or assembler b repair the...

Page 4: ...6L5K3 700W KOR 6L5K5 800W FREQUENCY 2 450 MHz OUTSIDE DIMENSIONS W x H x D 446 x 270 x 318 mm CAVITY DIMENSIONS W x H x D 295 x 219 x 303 mm CAVITY VOLUME 20 L NET WEIGHT KOR 6L5K3 APPROX 10 5 Kg KOR...

Page 5: ...4 1 OUTER DIMENSION KOR 6L5K3S KOR 6L5K5S EXTERNAL VIEW 446 318 270...

Page 6: ...ve outlet from splashes of cooking foods 8 8 Roller guide This must always be used for cooking together with the glass cooking tray 9 9 Coupler This fits over the shaft in the center of the oven cavit...

Page 7: ...ght 4 4 TIME DEFROST Used to defrost foods for time 5 5 POWER Used to set power level 6 6 ONE TOUCH COOK Used to cook or reheat specific quantities of food 7 7 TIME SET BUTTON Used to set the cooking...

Page 8: ...e 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 any damage such...

Page 9: ...hold ZERO ON button until display is turned on and beep sounds 8 When the STOP CLEAR button is pressed during the oven operation the oven stops cooking and all information retained To erase all infor...

Page 10: ...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 11: ...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 12: ...e barrier screen outer from the frame door 7 Reverse the above steps for reassembly A00 3511730270 DOOR AS KOR 6L5K3S 1 A01 3511730350 DOOR SUB AS KOR 6L5K3S 1 A02 3517012700 BARRIER SCREEN O TEMP GLA...

Page 13: ...and then push the door to contact the door seal to the oven front sur face Tighten two screws 3 To reduce gap located on part C Loosen the screw on the interlock switch assembly located the top of th...

Page 14: ...TON SUB AS KOR 6L5K3S 1 B04 441G430171 SPRING BUTTON SWP DIA 0 7 1 B05 3513702710 LEVER DOOR OPEN PP 1 B06 3516918220 BUTTON POWER ABS SG 175 SG 0760D SPRAY 1 B07 5S732G30X0 SW MICRO MS2 T0T200 250 12...

Page 15: ...for reassembly C00 3512524830 GUIDE WIND AS KOR 6L0B3S 1 KOR 6L5K3S 3512529420 KOC 9Q0T7R KOR 6L5K5S C01 3512527600 GUIDE WIND PP 1 C02 3963514350 MOTOR SHADED POLE 230V 60Hz MW10CA M04 1 C03 7121402...

Page 16: ...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 pre vent...

Page 17: ...assembly 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...

Page 18: ...presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment steps a Loosen the mounting screw b Adjust interlock switch assembly position Actuation distance of pr...

Page 19: ...connected 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 primary interlock switch...

Page 20: ...or open relay coil Approx 15 VDC Replace NOTE All these switches must be replaced at the same time please refer to Interlock Mechanism And Adjustment TROUBLE 2 Display shows all figures selected but o...

Page 21: ...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 22: ...and cooks normally but no display shows 8 Display obviously jumps in time while counting down 9 Display counts down noticeably too fast while cooking 10 Oven lamp and turntable motor do not stop altho...

Page 23: ...the water temper ature 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 24: ...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 25: ...he leads 2 With the ohmmeter set on 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...

Page 26: ...M FAN BLOWER MOTOR GY GRAY GE GREEN YELLOW BL BLUE OR ORANGE OFF COOK DOOR CLOSED CONDITION CONTROL P W B ASS Y RELAY 2 RELAY 1 BK 3 1 BL BL RD FM 5 GY GY GY OL GM THERMOSTAT SWITCH UPPER INTERLOCK PR...

Page 27: ...nt must be measured with GND points NOTE 1 Refer to Circuit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 3 The a...

Page 28: ...27 Measure Point MP1 GND MP2 KOR 6L5K3S KOR 6L5K5S...

Page 29: ...n the digital clock does not operate properly refer to Circuit Diagram Check method Check method Check method RELAY 2 ON 5V DC GND RELAY 2 OFF GND 15V DC POINT A B STATE RELAY 1 ON 5V DC GND RELAY 1 O...

Page 30: ...T DEFROST START 30sec AUTO COO K STO P CLEAR BEV ERAGE FRO ZEN PI ZZA POPCOR N TI M E DEFROST POWER GRI LL COM BI DEFROST PASTA 10 min 1000g 1 min 100g 10 sec 1 0g 2 PCB CIRCUIT DIAGRAM KOR 6L5K3S KOR...

Page 31: ...R24 RD 4Z510J RESISTOR 1 4W 51 5 2 22 CR1 5P4R00MTS RESONATOR CERA CRT 4 00MS 1 23 VL1 1CPMC7805C IC REGULATOR MC7805C 1 24 Q1 4 TZRA106M TRANSISTOR KRA106M 4 25 Q7 Q8 10 TZRC106M TRANSISTOR KRC106M 4...

Page 32: ...3 GUIDE WIND ASSEMBLY Refer to Disassembly and assembly 4 TOTAL ASSEMBLY KOR 6L5K3S KOR 6L5K5S EXPLODED VIEW AND PARTS LIST F45 F44 F43 F42 F41 F40 A00 B00 F39 F38 F37 F36 F35 F34 F33 F32 F31 F28 F27...

Page 33: ...SECC T0 5 1 F19 3518302201 CAPACITOR HV 2100VAC 0 98UF 187 75MM 1 F20 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F21 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F22 3518123670 TRANS HV S1S57A LA30 1 KOR...

Page 34: ...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 Aug 2012...

Page 35: ...ABOUT THIS MANUAL ABOUT THIS MANUAL...

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