DAEWOO ELECTRONICS KOC-1B0K0S User Manual

Service ManualMicrowave OvenModel : KOC-1B0K0Shttp : //svc.dwe.co.kr Nov. 2000DAEWOO ELECTRONICS CO., LTD.S/M No. : C1B0K0S002✔ Caution: In this Manua

9 (1) Remove the gasket door from door plate. (2) Remove a screw from door plate. (3) Remove the door frame from door plate. (4) Remove the stop

105. To remove control panel parts.REF.NO PART CODE PART NAME DESCRIPTION Q’ TY REMARKB01 3511605000 DECORATOR C-PANEL ABS XR-401 H-2938 1B02 351

11 6. To remove high voltage capacitor. (1) Remove a screw which secure the groun- ding ring terminal of the H.V.diode and the ca

12 8. To remove wind guide assembly.(1) Remove a screw for earthing.(2) Remove the noise filter from the wind guide.(3) Remove a screw which se

1310. To remove Lamp assembly parts.REF.NO PART CODE PART NAME DESCRIPTION Q’ TY REMARK1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 12 3512520500 GUI

1411. To remove Top heater assembly parts.REF.NO PART CODE PART NAME DESCRIPTION Q’ TY REMARK1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 12 35125205

1512. To remove Rear heater assembly parts.REF.NO PART CODE PART NAME DESCRIPTIONQ’ TYREMARK1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 12 351140730

1613. To remove Motor synchro. And Under heater assembly parts.REF.NO PART CODE PART NAME DESCRIPTION Q’ TY REMARK1 7112401011 SCREW TAPPING T1 TRS

177. INTERLOCK MECHANISM AND ADJUSTMENTThe door lock mechanism is a device which has been specially designed to completely eliminatemicrowave radiatio

188. TROUBLE SHOOTING GUIDEFollowing the procedures below to check if the oven is defective or not.1. Check grounding before checking trouble.2. Be ca

1PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not operate or allow the oven to

19.Outlet hasPropervoltageFuse doesnot blow?Check continuity ofmagnetronDefectivemagnetron.CONDITION RESULT REMEDYCheck continuity ofnoise filter boar

20.Turn tablemotor andoven lamp donot turn onCheck continuity ofPrimary interlockswitchmalfunctionof primaryinterlock switchCONDITION RESULT REMEDYCh

21 (TROUBLE 6) The Following visual conditions indicate a probable defective touch control Circuit or button P.C.B assembly1. incomplete

22TROUBLE 7) When “ERROR 2 & ERROR 3” come on display.CONDITION CHECK RESULT CAUSE REMEDY“ERROR2 &ERROR3”come ondisplayCheck continuity ofther

239. MEASUREMENT AND TEST9-1. MEASUREMENT OF THE MICROWAVE POWER OUTPUTMicrowave output power can be checked by indirectly measuring the temperature r

249-2. MICROWAVE RADIATION TESTWARNINGl Make sure to check the microwave leakage before and after repair of adjustment.l Always start measuring of an

259-3. COMPONENT TEST PROCEDURE• High voltage is present at the high voltage terminal of the high voltagetransformer during any cooking cycle.• It is

269 -4. COMPONENT ACTIONCOOKING MODEMAGNE-TRONUPPERELEMENTLOWERELEMENTREARELEMENTCONVEC-TION FANM/WGRILL-1GRILL-2GRILL-3COMBI-1COMBI-2COMBI-3COMBI-4CO

2710. WIRING DIAGRAM

2811. EXPLODED VIEW AND PARTS LIST11-1. DOOR ASSEMBLY Refer to 6.Disassembly and assembly.11-2. CONTROL PANEL ASSEMBLY Refer to 6.Disassemb

21. SAFETY AND PRECAUTIONS1. For Safe Operation Damage that allows the microwave energy (that cooks or heats the food) to escape will result in poor

29NO PART CORD PART NAME DESCRIPTION Q'TYA00 3511714000 DOOR AS KOC-1B0K0S 1B00 3516724900 CONTROL PANEL AS KOC-1B0K0S 1F01 3515202200 STOPPER HI

30NO PART CORD PART NAME DESCRIPTION Q'TYF36 3512766800 HARNESS CONVECTION-A KOC-1B0K0S 1F37 3511407700 COVER HEATER *B SA1D T0.5 1F38 3513302900

31NO PART CORD PART NAME DESCRIPTION Q'TYF73 3514801400 SENSOR TEMPERATURE PTM-K312-D7 1F74 3512767000 HARNESS HEATER KOC-1B0K0S 1F75 3517207300

3212. PRINTED CIRCUIT BOARD1. CIRCUIT CHECK PROCEDURE1) Low voltage transformer checkThe low voltage transformer is located on the P.C.B.Measuring co

333) Case of no microwave oscillation(1) When touching M/W button, oven lamp turns on and Fan motor and turntable rotate, and cook indicator in di

344) Case of no heating of upper grill When touching GRILL1 & COMBI button, oven lamp turns on and fan motor and turntable motor rotate and

35STATE POINT A POINT BRELAY 3 ON+5V DC GNDRELAY 3 OFFGND +24V DC7) Case of no stopping of the count do wn timerWhen the door is opened during oper

3613. P.C.B. CIRCUIT DIAGRAM

PCB ASS’ Y PART LIST37NO NAME SYMBOL SPECIFCATION PART CODE Q'TY1 PCB MAIN M223 95.5 X 197 3514322300 12 PCB SUB M224 90 X 197 3514322310 13

32. SPECIFICATIONSMODEL KOC-1B0KPOWER SUPPLY 230V~50Hz, SINGLE PHASE WITH EARTHINGMICROWAVE 1500WGRILL 1600WCONVECTION 2300WPOWERCONSUMPTIONCOMBINATIO

43-2. FEATURE DIAGRAM 1. Door hook – When the door is closed, it will automatically shut. If the door is opened while the oven is operating, the ma

54. INSTALLATION1. Steady, flat location This microwave oven should be set on a steady, flat surface. This microwave oven is designed for counter

65. CONTROL PANEL DISPLAY WINDOW

76. DISASSEMBLY AND ASSEMBLY- Cautions to be observed when trouble shooting.Unlike many other appliances, the microwave oven is high-voltage, high-cur

8A011. To remove cabinet(1) Remove four screws on cabinet back.(2) Push the cabinet backward.2. To remove door assembly(1) Remove two screws which s