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Service Manual

Microwave Oven

Model: KOR-6QAB5S

DAEWOO ELECTRONICS CORP.

S/M No. : OR6QAB5001 

   Mar. 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 

Summary of Contents for KOR-6QAB5S

Page 1: ...NICS CORP S M No OR6QAB5001 Mar 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 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: ...ed 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...

Page 4: ...UT 800W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 465 x 279 x 342 mm CAVITY DIMENSIONS W X H X D 301 x 230 x 293 mm NET WEIGHT Approx 11 5 kg TIMER 59 min 90 sec FUNCTION SELECTIONS MIC...

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

Page 6: ...ions in screen 4 4 SPATTER SHIELD Protects the microwave outlet from splashes of cooking foods 5 5 OVEN LAMP Automatically turns on during oven operating 6 6 SAFETY INTERLOCK SYSTEM 7 7 CONTROL PANEL...

Page 7: ...specific quantities of food 4 Up Used to add time to cooking 5 Down Used to decrease time to cooking 6 Clock Used to set clock 7 Defrost Used to defrost foods for time 8 Power Used to set power level...

Page 8: ...pe which if samaged 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 suc...

Page 9: ...ed 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 retained To erase a...

Page 10: ...r 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 ch...

Page 11: ...rd 2 To remove door assembly 1 Remove the 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: ...erse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3512605660 HANDLE DOOR HIPS SG 970 HG 1760H 1 A02 3512209030 FRAME DOOR HIPS SG 970 HG 1760H 1 A03 7122401211...

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

Page 14: ...bly to control panel 3 Disconnect membrane tail from the connector of the PCB assembly 4 Detach membrane from the control panel 5 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESC...

Page 15: ...circuit wiring 7 To remove magnetron 1 Remove the screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly NOTE Never install the magnetron without the metalli...

Page 16: ...assembly 3 Pull the fan from the motor shaft 4 Remove two screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Reverse the above steps for reassembly 9 To remove H V transformer...

Page 17: ...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 it un...

Page 18: ...with door partially open until interlock moni tor switch contact close COM NO Replace NOTE Shorted contacts of primary interlock switch Shorted contacts of primary interlock switch Defective low volt...

Page 19: ...on Check continuity of primary interlock switch No Continuity Malfunction of primary interlock switch Adjust or Replace Malfunction of sec ondary interlock and D O M switch Check continuity of second...

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

Page 21: ...ooks normally but no display shows 8 Display 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...

Page 22: ...sel 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 follo...

Page 23: ...t 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 is...

Page 24: ...ter 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...

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

Page 26: ...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 power so...

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

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

Page 29: ...3 b f a b f b a c d DDG 631H DP1 e 5 10 g b 3 2 c d G5 e c d g e 1 f b a g 104Z KRC106M KRC106M KRC106M KRC106M SJ1 RA2 RGLD6X104J 1K R15 R18 R23 4 7K Q12 KTC3198GR 6N S 800W Data 6N S 700W Data 6N S...

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: ...200 HOLDER HV CAPACITOR SECC T0 6 1 F20 3518302200 CAPACITOR HV 2100VAC 0 98UF 187 1 F21 3518400900 DIODE HV AS HVR 1X 30B 187 1 F22 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F23 3518119880 TRANS HV...

Page 33: ...S M NO OR6QAB5001 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 Mar 2005...

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