Daewoo KOR-631G0P Service Manual
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Daewoo KOR-631G0P Service Manual

Daewoo KOR-631G0P Service Manual

Daewoo microwave oven user manual
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Service Manual
Microwave Oven
Model: KOR-631G0P
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).
DAEWOO ELECTRONICS CO., LTD.
S/M No. : R631G0P001
KOR-631H0P
KOR-861G0P
KOR-861H0P

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Summary of Contents for Daewoo KOR-631G0P

  • Page 1 : 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). DAEWOO ELECTRONICS CO., LTD. S/M No. : R631G0P001...

  • Page 2: Table Of Contents

    PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be operated with the door open. (b) M ake the following safety checks on all ovens to be serviced before activating the m agnetron or other m icrowave source, and m ake repairs as necessary: (1) Interlock operation, (2) Proper door closing, (3) Seal and sealing surfaces (arcing, wear, and other dam age), (4) Dam age to or loosening of hinges and latches, (5) E vidence of dropping or abuse.

  • Page 3: Safety And Precautions

    SAFETY AND PRECAUTIONS 1. FOR SAFE OPERATION D am age that allow s the m icrow ave energy (that cooks or heats the food) to escape w ill result in poor cooking and m ay cause serious bodily injury to the operator. IF A N Y O F TH E FOLLO W IN G CO N D ITIO N S E X IS T, O P E RATO R M U S T N O T US E TH E A P P LIA N C E .

  • Page 4: Specifications

    SPECIFICATIONS M O D EL PO W E R SU P PLY M IC R O W AVE PO W E R G R ILL C O N SU M PTIO N C O M BIN ATIO N M IC R O W AVE E N E R G Y O U TP U T M IC R O W AVE F R E Q U E N C Y O U T S ID E D IM EN SIO N S (W X H X D ) C AV IT Y D IM E N S IO N S (W X H X D )

  • Page 5: External View

    EXTERNAL VIEW 1. OUTER DIMENSION (KOR-631/861) 465/495 360/388 Fig.2 Side View Fig.1 Front View...

  • Page 6: Feature Diagram

    2. FEATURE DIAGRAM 1. DOOR SEAL Door seal m aintains the m icrowave within the oven cavity and prevents m icrowave leakage. 2. DOOR HOOK W hen door is closed, it will autom atically lock shut. If door is opened while oven is operating, m agnetron tube will im m ediately stop operating.

  • Page 7: Control Panel

    EXTERNAL VIEW 3. CONTROL PANEL (1) KOR-631G/861G 1. Time set pad - Used to set the cooking tim e and the present tim e. 2. Display - Cooking tim e, power level, indicators and present tim e are displayed. 3. One touch - Used to cook or reheat specific quantities of food. 4.
  • Page 8 EXTERNAL VIEW (2) KOR-631H/861H 1. Time set pad - Used to set the cooking tim e and the present tim e. 2. Display - Cooking tim e, power level, indicators and present tim e are displayed. 3. One touch - Used to cook or reheat specific quantities of food. 4.

  • Page 9: Installation

    INSTALLATION 1. Steady, flat location This m icrow ave oven should be set on a steady, flat surface. This m icrow ave oven is designed for counter top use only. 2. Leave space behind and side A ll air vents should be kept a clearance. If all vents are covered during operation, the oven m ay overheat and, eventually, cause failure.

  • Page 10: Operations And Functions

    OPERATIONS AND FUNCTIONS 1. Connect the m ain lead to an electrical outlet. 2. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray m ust always be in place during cooking. 3.

  • Page 11: Disassembly And Assembly

    DISASSEMBLY AND ASSEMBLY Cautions to be observed when trouble shooting Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safety during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit.
  • Page 12 1. To rem ove cabinet 1) Rem ove three screws on cabinet back. 2) Push the cabinet backward. 2. To rem ove door assem bly 1) Rem ove a screw which secure the stopper hinge top. 2) Rem ove the door assem bly from top plate of cavity. 3) Reverse the above for reassem bly.
  • Page 13  Caution: In this Service 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) DISASSEMBLY AND ASSEMBLY 3.
  • Page 14 1) Rem ove the gasket door from door weld as. 2) Rem ove the barrier screen inner from door weld as. 3) Rem ove the door fram e from door weld as. 4) Rem ove the stopper hinge top from door weld as. 5) Rem ove the spring and the hook.
  • Page 15  Caution: In this Service 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) DISASSEMBLY AND ASSEMBLY 5.
  • Page 16 1) Remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assem bly. 2) Rem ove the door open lever from the control panel. 3) Rem ove four screws which secure the PCB assem bly to control panel. 4) Disconnect m em brane tail from the connector of the PCB assem bly.
  • Page 17 DISASSEMBLY AND ASSEMBLY 8. To remove wind guide assembly. 1) Rem ove a screw which secure the wind guide assem bly. 2) Draw forward the wind guide assem bly. 3) Pull the fan from the m otor shaft. 4) Rem ove two screws which secure the m otor shaded pole. 5) Rem ove the m otor shaded pole.

  • Page 18: Interlock Mechanism And Adjustment

    INTERLOCK MECHANISM AND ADJUSTMENT The door lock m echanism is a device which has been specially designed to com pletely elim inate m icrowave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) Prim ary interlock switch W hen the door is closed, the hook locks the oven door.

  • Page 19: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1) Check earthing before trouble checking. 2) Be careful of the high voltage circuit. 3) Discharge the high voltage capacitor. 4) W hen checking the continuity of the switches, fuse or high voltage transform er, disconnect one lead wire from these parts and check continuity with the AC plug removed.
  • Page 20 CON DITION CHECK C heck con tinuity of O utlet has m agn etron proper voltage Fuse does not blow. C heck con tinuity of noise filter board C heck con tinuity of pow er supply cord NOTE A ll these sw itches m ust be replaced at the sam e tim e, please refer to “Interlock M echanism A nd A djustm ent”. ( TROUBLE 2 ) Display shows all figures selected, but oven does not start cooking, even though desired program and tim e are set and start pad is tapped.
  • Page 21 TROUBLE SHOOTING GUIDE ( TROUBLE 3 ) No m icrowave oscillation even though fan m otor rotates. C ON DITIO N C HE C K N o m icrow ave C heck continuity of high oscillation voltage fu se R epla ce high voltage fuse C heck continuity of high voltage capacito r te rm inals w ith w ires...
  • Page 22 ( TROUBLE 4 ) The following visual conditions indicate a probable defective touch control circuit or m em brane switch assem bly 1. Incom plete segm ents, 1) Segm ents m issing. 2) Partical segm ents m issing. 3) Digit flickering other than norm al display slight flickering. 4) “...

  • Page 23: Measurement And Test

    MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT M icrowave output power can be checked by indirectly m easuring the tem perature rise of a certain am ount of water exposed to the m icrowave as directed below. PROCEDURE 1.

  • Page 24: Microwave Radiation Test

    2. MICROWAVE RADIATION TEST CAUTION 1. M ake sure to check the m icrowave leakage before and after repair of adjustm ent. 2. Always start m easuring of an unknown field to assure safety for operating personnel from m icrowave energy. 3.

  • Page 25: Component Test Procedure

    MEASUREMENT AND TEST 3. COMPONENT TEST PROCEDURE High voltage is present at the high voltage term inal of the high voltage transform er during any cooking cycle. It is neither necessary nor advisable to attem pt m easurem ent of the high voltage. Before touching any oven components or wiring, always unplug the oven from its power source and discharge the capacitor.

  • Page 26: Wiring Diagram

    WIRING DIAGRAM...

  • Page 27: Printed Circuit Board

    PRINTED CIRCUIT BOARD 1. CIRCUIT CHECK PROCEDURE 1. Low voltage transformer check The low voltage transform er is located on the P.C.B. M easuring condition: Input voltage: 220 V / Frequency: 60Hz Term inal Voltage 4 - 7 NOTE 1. Refer to Circuit Diagram (point 4). 2.
  • Page 28 PRINTED CIRCUIT BOARD M P1 M P2 Measure Point...
  • Page 29 PRINTED CIRCUIT BOARD 3. W hen there is no microwave oscillation 1) W hen touching START pad, oven lam p does not turn on. Fan m otor do not rotate, but cook indicator in display com es on.  Cause : RELAY 2 does not operate. refer to Circuit Diagram ( Point 3) - Check m ethod STATE RELA Y 2 O N...

  • Page 30: Circuit Diagram

    PRINTED CIRCUIT BOARD 2. P.C.B. CIRCUIT DIAGRAM...

  • Page 31: Location No

     Caution: In this Service 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) PRINTED CIRCUIT BOARD 3.
  • Page 32  Caution: In this Service 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) (2) KOR-861G/861H NAM E B UZ Z E R C AR R AY...

  • Page 33: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST 1. DOOR ASSEMBLY Refer to Disassem bly and assem bly. 2. CONTROL PANEL ASSEMBLY Refer to Disassem bly and assem bly. 3. TOTAL ASSEMBLY...
  • Page 34  Caution: In this Service 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) (1) KOR-631G/631H REF NO PART CODE F 01...
  • Page 35  Caution: In this Service 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) EXPLODED VIEW AND PARTS LIST (2) KOR-861G/861H REF NO PART CODE...
  • Page 36 DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “DAEWOOELEC” E-mail : G7F00E@web.dwe.co.kr FAX : 02) 360-8184 TEL: 02) 360-8179~8180 PRINTED DATE : NOV. 1998...

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