Микроволновая печь daewoo kog 840p инструкция по эксплуатации

Daewoo KOG-840P service manual
(11 pages)

• Page 1
  Service Manual Microwave Oven KOG-846T Defrost Grill Combi Weighf Time Lock Auto Waff cook Defrost Autocook Grill Power Combi Auto Cook Menu Stop Clear More Less Clock DAEWOO ELECTRONICS CO., LTD.

• Page 2: Table Of Contents

  PROPER USE AND SERVICE PRECAUTIONS CAUTION : This Device is to be Serviced Only by Properly Qualified Service Personnel. Consult the Service PRECAUTIONS TO BE OBSERVED BEFORE AND Manual for Proper Service Procedures to Assure Continued Safety Operation and for Precautions to be Taken to Avoid Possible Exposure to Excessive Microwave Energy.

• Page 3: Specifications

  SPECIFICATIONS IMPORTANT Power Supply 230V~, 50Hz 240V~, 50Hz(U.K) Power Consumption 1450 W 1500W The wires in this mains lead coloured in accordance with the following code. Microwave Output Power 900W (IEC 705) 900 Watts Green-and-yellow : Earth Frequency 2450 MHz 2450 MHz Blue : Neutral…

• Page 4: Names And Function Of Parts

  NAMES AND FUNCTION OF PARTS CONTROL PANEL Defrost Grill Combi Weighf Time Lock Auto Waff cook Defrost Autocook Grill Power Combi Auto Cook Menu Stop Clear More Less Clock ¤ DOOR SEAL ¤ CONTROL PANEL Door seal maintains the microwave within the ¤…

• Page 5: How To Set The Oven Controls

  OPERATION HOW TO SET THE OVEN CONTROLS Tips : ¡ Be sure to read the cookbook’s introduction before operating the oven. TO STOP THE OVEN WHILE THE OVEN IS OPERATING ¡ Also remember to read this operating instruction for proper safety information and instruction before using t 1.

• Page 6
  WEIGHT DEFROST 1. Press CLOCK button. The display will show present time, and the colon starts blinking. This digital clock allows you to set to NOTE : • This digital weight allows you set from 200g to 3000g. “10:10” • Whenever you press this button, the display is circulated WEIGHT DEFROST, TIME DEFROST , and MICROWAVE mode.
• Page 7
  MICROWAVE GRILL NOTE : • To insure the best microwave and defrost results, be sure to start with a cool oven. NOTE : • The heating element is located in the top of the oven. Let the oven cool 15~20 minutes with the door slightly open. •…
• Page 8
  AUTO COOK TO SET COMBI COOKING NOTE : • There is programmed for cooking of nine kinds (1~9). NOTE : • Microwave and Gril operate simultaneously (or sequentially) in this mode. • You don’t have to worry about setting time, power and function. •…

• Page 9: Programming Combinations

  SPEEDY COOK 6. If you want to select other quantity, press quantity button once again until display you desired. 1. Push button Whenever the button is pressed, Then start lamp will start blinking. cooking time is increased 30 seconds. If the time was setting, this oven is operated automatically after 2 seconds 7.

• Page 10: Interlock Mechanism Functions And Adjustments

  INTERLOCK MECHANISM FUNCTIONS AND ADJUSTMENTS The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation (2) Secondary interlock switchm, monitor interlock switch and D.O.M switch when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of When the door is closed, the hook pushes the lever lock forward, and the lever presses the button of the interlock microwave.

• Page 11: Precautions For Disassembly And Repair

  PRECAUTIONS FOR DISASSEMBLY AND REPAIR DISASSEMBLY AND ASSEMBLY — Cautions to be observed when trouble shooting. 1. To remove cabinet (Refer to Fig. 2) 1) Remove four screws on cabinet back. Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safe 2) Push the cabinet backward.

• Page 12
  3. To remove lamp (Refer to Fig. 4) 5. To remove magnetron and magnetron thermostat (Refer to Fig. 6) 1) Remove a screw holding lamp to the 1) Remove two secrews which secure the thermostat guide air 2) Remove the thermostat. 2) Remove the lamp.
• Page 13
  3516904500 BUTTON FUNCTION 3516904510 BUTTON FUNCTION REF.NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK PKBPMSPV00 PCB SUB AS KOG-846T ØS 3511704600 DOOR PAINTING AS KOG-840KS 3517001800 BARRIER-SCREEN *I TEMPERED GLASS 3.2T PCB SUB AS KOG-846T For Germany 3513100600 HOOK PKMPMSPV00 PCB MAIN AS KOG-846T ØS…
• Page 14
  9. Method to reduce the gap between the door seal and the oven front surface. 10. To remove tray motor (Refer to Fig. 11) (1) To reduce gap located on part ‘A’. 1) Cut the tray motor cover parts from the base 1) Loosen a Hex Bolt on top door hinge, then push plate (Refer to Fig 11, 12).

• Page 15: Trouble Shooting Guide

  11. To remove grill heater assembly (Refer to Fig. 13) (TROUBLE 1) Oven does not operate at all; any inputs can not be accepted 1) Release three hex nuts holding the Grill Heater Assembly to top and side plate. Condition Check Result Cause…

• Page 16
  (TROUBEL 3) No microwave oscillation even though fan motor rotates. Condition Check Result Cause Remedy Condition Check Result Cause Remedy Defective Replace Outlet has Check continuity magnetron and proper voltage. both magnetron and Continuity No microwave Fuse does heater thermostat heater thermostat Check continuity oscillation…
• Page 17
  (TROUBLE 4) Display shows all figures selected, but oven does not start cooking, even Condition Check Result Cause Remedy Malfunction of Replace Normal Display does not Check each button for Condition Check Result Cause Remedy touch control control box show program- continuity of the tact circuitry of control main…

• Page 18: Measurement

  MEASUREMENT 1. Microwave Output Power 2-2 Judgement 3-3. Procedures CAUTION : The value of resistance should be applied to the value 1) Prepare 600cc glass or plastic container. 1-1. Standard Method specified below. 2) Pour 275 ¡ 15 millilitres of tap water initially at 68¡ 1.

• Page 19: Component Test Procedure

  COMPONENT TEST PROCEDURE WIRING DIAGRAM 1. High voltage is present at the high voltage terminal of the high voltage transformer during any cook cycle. 2. It is neither necessary not advisable to attempt measurement of the high voltage. 3. Before touching any oven components or wiring, always unplug the oven from its power source and discharge the capacitor (see page 20).

• Page 20: Schematic Diagram(Germany)

  SCHEMATIC DIAGRAMS IDLE GRILL COMBI…

• Page 21
  WIRING DIAGRAM(GERMANY ONLY) SCHEMATIC DIAGRAMS (GERMANY ONLY) IDLE…
• Page 22
  GRILL ƒ ƒ N N SUB : Substitutive REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK 3510103700 CAVITY WELD AS KOG-8415 ØS 3512504800 GUIDE WAVE SA1D-80 0.5T 3510602500 BRACKET MAGNETRON SECC 1.2T 3511401500 COVER WAVE GUIDE MICA 0.35T 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 3512800800…
• Page 23
  EXPLODED VIEW…

• Page 24: Printed Wiring Board

  KOG-8415 104MM 3517203500 TRAY GLASS DP 1 PIN 1 & 25 2.6 VAC (DISPLAY FILAMENT VOLTAGE) 3512512500 GUIDE ROLLER AS KOG-846T PPS 7S341W40B1 SCREW SPECIAL T2S PAN 4X12 PW SE MFZN CHECK METHOD 4419J75030 RESISTOR S/A 20W 20ohm For Germany…

• Page 25
  3) Display problems CHECK METHOD POINT CAUSE MEASUREMENT RESULT REMEDY STAGE Poor contact between 1. Check the voltage of PIN 2.6 VAC Fix the PIN 1 & 25 RELAY “2” ON +5VDC P.C.B and display 1 & PIN 25. on the P.C.B. RELAY “2”…
• Page 26
  6) When the door is opened during operation, the count down timer does not stop. 1) Transistor(NPN Type) D.O.M Q1 ~ Q12 EARTH TERMINAL MICOM Emitter Base Collector CHECK METHOD POINT STAGE 1) DOOR OPENED OPEN -5VDC 2) DOOR CLOSED CLOSED CHECK NO.

• Page 27: P.c.b. Location No

  P.C.B. LOCATION NO REF NO. PART CODE PART NAME DESCRIPTION REMARK REF NO. PART CODE PART NAME DESCRIPTION REMARK R4,5,12,13 RD-4Z102J- R CARBON FILM 1/4W 1KΩ J SW101~106 5S50101Z93 SWITCH KPT-1115AM PCB SUB R28, 34, 41 RD-4Z102J- R CARBON FILM 1/4W 1KΩ…

• Page 28
  DAEWOO ELECTRONICS CO., LTD. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX: DWELEC K28177-8 CABLE: “DAEWOOELEC” FAX: 02) 364-5588/5305 TEX: 02) 360-7114/7315~7 PRINTED DATE: FEB.1996 S/M NO.:G846T0S001…