Daewoo KOR-868G7S Service Manual Download Page 1

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Service Manual

Microwave Oven

Model: KOR-868G7S

DAEWOO ELECTRONICS CORP.

S/M No. :

R868G7S001

http : //svc.dwe.co.kr

Jun. 2003

✔

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-868G7S

Page 1: ...68G7S001 http svc dwe co kr Jun 2003 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 pleas...

Page 2: ...k 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 microwa...

Page 3: ...d 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 owner c...

Page 4: ...FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 495 x 294 x 384 mm 19 5 x 11 6 x 15 1 in CAVITY DIMENSIONS W X H X D 320 x 237 x 343 mm 12 6 x 9 3 x 13 5 in NET WEIGHT APPROX 13 5 kg 29 7 lbs TIMER 59...

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

Page 6: ...utlet from splashes of cooking foods 5 5 OVEN LAMP Automatically turns on during oven operating 6 6 SAFETY INTERLOCK SYSTEM 7 7 CONTROL PANEL 8 8 GLASS COOKING TRAY Made of special heat resistant glas...

Page 7: ...d to set power level 5 Defrost Used to defrost foods by time 6 Clock Used to set clock 7 Time set pad Used to set the cooking time and the present time 8 Reheat Meal Used to reheat meal or dinner plat...

Page 8: ...f 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 an...

Page 9: ...he turns off The oven door can be opened at any time during operation by touching the door release button on the control panel The oven will automatically shut off To restart the oven close the door a...

Page 10: ...epair 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 o...

Page 11: ...ard 2 To remove door assembly 1 Remove one 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: ...711800 DOOR PAINTING AS KOR 866T0S 1 A06 3517006000 BARRIER SCREEN I PE 0 1T 1 A07 3512302000 GASKET DOOR PP 1 A08 3513100700 HOOK POM 1 A09 3515101300 SPRING HOOK PW1 1 11 3 To remove door parts Caut...

Page 13: ...ge top and then push the door to contact the door seal to oven front surface Tighten two screws 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push the door to con...

Page 14: ...SG 0760D 1 B06 PKMPMSAQ20 MAIN PCB AS KOR 868G7S 1 B07 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 5 B08 3516911200 BUTTON FUNCTION B ABS SG 175 SG 0760D 1 B09 3513703100 LEVER DOOR OPEN PP 1 13 5 To...

Page 15: ...normally closed 6 To remove high voltage capacitor 1 Remove a screw which secure the grounding ring terminal of the H V diode and the capacitor holder 2 Remove the H V diode from the capacitor holder...

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: ...s closed the hook pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under OFF condition and presses the button of the secondary interlock swi...

Page 18: ...nected of the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed Malfunction of interlock moni tor switch Malfun...

Page 19: ...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 oven does...

Page 20: ...on Defective high voltage rectifier Replace Connect megger leads to mag netron terminal and magnetron body Continuity Defective mag netron Replace Check resistance of primary and secondary coil of hig...

Page 21: ...viously jumps in time while counting down 19 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when cancel button is touched 11 Oven lamp and turntable mot...

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: ...net 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 i...

Page 24: ...er 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 higher voltage batteries s...

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

Page 26: ...OR 32 NOTE 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 p...

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

Page 28: ...d 4 When the door is 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 Diagra...

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

Page 30: ...5 RD AZ102J 5 21 REGISTER R3 22 23 1 6W 100K 5 RD AZ104J 3 22 REGISTER R11 1 6W 200 5 RD AZ201J 1 23 REGISTER R13 14 1 6W 10K 5 RD AZ103J 3 24 REGISTER R15 1 6W 510 5 RD AZ511J 1 25 REGISTER R7 1 6W 1...

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: ...3AB 12KV 187 1 F24 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F25 3518119340 TRANS HV DW R90S0 86T A 1 F26 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F27 3510311900 BASE SBHG T0 8 1 F28 711240101...

Page 33: ...S M No R868G7S001 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 Jun 2003...

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