Daewoo KOD-135P9A Service Manual
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Daewoo KOD-135P9A Service Manual

Daewoo KOD-135P9A Service Manual

Pizza baker built-in microwaves combo
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S/M No. :D135P9A000
Service Manual
Pizza Baker Built-in
Microwaves Combo
Model: KOD-135P9A
• 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).
Nov.2004

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Summary of Contents for Daewoo KOD-135P9A

  • Page 1 S/M No. :D135P9A000 Service Manual Pizza Baker Built-in Microwaves Combo Model: KOD-135P9A • 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).

  • 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) Make the following safety checks on all ovens to be serviced before activating the magnetron or other micro- wave source, and make repairs if necessary: (1) Interlock operation, (2) Proper door closing, (3) Seal and sealing surfaces (arcing, wear, and other damage), (4) Damage to or loosening of hinges and latches, (5) Evidence of dropping or abuse.

  • Page 3: Safety And Precautions

    SAFETY AND PRECAUTIONS CAUTION This Device is to be Serviced only by Properly Qualified Service Personnel. Consult the Service Manual for Proper Service Procedures to Assure Continued Safety Operation and for Precautions to be Taken to Avoid Possible Exposure to Excessive Microwave Energy. 1.

  • Page 4: Specifications

    SPECIFICATIONS POWER SUPPLY 120V AC 60 Hz SINGLE PHASE WITH EARTHING POWER CONSUMPTION 1.4 KW OUTPUT POWER 1000 W MICROWAVE FREQUENCY 2450 MHz OVEN TIMER 59 min. 99 sec. POWER LEVELS 10 LEVELS CAVITY DIMENSIONS 380 X 246 X 386 mm (14.9 X 9.7 X 15.2 inch) CAVITY VOLUME 1.3 Cu.ft PIZZA OVEN...

  • Page 5: Feature Diagram

    2. FEATURE DIAGRAM DAEWOO ELECTRONICS 1. Door latch When the door is closed it will automatically shut off. If the door is opened while the oven is operating, the magnetron will automatically shut off. 2. Door seal The door seal maintains the microwave within the oven cavity and prevents microwave leakage.

  • Page 6: Control Panel

    3. CONTROL PANEL DAEWOO ELECTRONICS 11. Time set pad - Used to set the cooking time and the present time. 12. Display - Cooking time, power level, indicators and present time are displayed. 13. Fresh Pizza - Used to cook Fresh Pizza.

  • Page 7: Installation

    This appliance is supplied with cable of 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 any damage such as: A misaligned door, broken door or a dent in cavity.

  • Page 8: Operation Procedure(Microwave Oven)

    OPERATION PROCEDURE(MICROWAVE OVEN) This section includes useful information about microwave oven operation. 1. Plug power supply cord into a standard 3- pronged 20Amp, 120V AC 60Hz power outlet. 2. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray and roller guide must always be in place during cooking.

  • Page 9: Operation Procedure(Pizza Oven)

    OPERATION PROCEDURE(PIZZA OVEN) This section includes useful information about pizza oven operation. 1. Plug power supply cord into a standard 3-pronged 20Amp, 120V AC 60Hz power output. 2. Put pizza on the pizza tray. 3. Shut the pizza tray. Make sure that it is firmly closed. The pizza tray can be opened at any time during operation by pulling out the handle on the pizza tray.

  • Page 10: Handle Controls

    HANDLE CONTROLS • When using the pizza tray, you must unfold the handle of the pizza tray and check the lever of the handle rise up fully. • When not using the pizza oven, you would better fold the handle of the pizza tray. •...

  • 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 safe 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 remove cabinet 1) Remove five screws on cabinet back. 2) Push the cabinet backward. 2. To take off the pizza oven. 1) Remove four screws on the pizza oven. 2) Push the pizza oven backward and lift up. 3) Reverse the above for assembly.
  • Page 13 3. To remove door assembly 1) Remove two screws 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 assembly, perform a check of correct alignment with the hinge and cavity front plate.
  • Page 14 5. Method to reduce the gap between the door seal and the oven front surface. (1) To reduce gap located on part ‘A’. • Loosen the screw on stopper hinge top, and then push the door to contact the door seal to oven front surface.
  • Page 15 6. To remove control panel parts. REF NO. PART NAME PART CODE DESCRIPTION Q’TY SWITCH MEMBRANE 3518522440 KOD-135P9A CONTROL-PANEL 3516725020 PCB MAIN MANUAL AS PKMPMSBC00 KOD-135P9A SCREW TAPPING 7122401211 T2S TRS 4X12 MFZN LEVER DOOR OPEN 3513702800 SPRING BUTTON 441G430171 SWP DIA.
  • Page 16 7. 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. 3) Reverse the above steps for reassembly. 8.
  • Page 17 10. To remove wind guide assembly. 1) Remove a screw which secure the wind guide assembly. 2) Draw forward the wind guide 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.

  • Page 18: Interlock Mechanism And Adjustment

    INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. WH/BK RD/RD INTERLOCK...

  • Page 19: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1) Check grounding before trouble checking. 2) Be careful of the high voltage circuit. 3) Discharge the high voltage capacitor. 4) When checking the continuity of the switches, fuse or high voltage tranformer, disconnect one load wire from these parts and check continuity with the AC plug removed.
  • Page 20 CONDITION CHECK RESULT CAUSE REMEDY Replace Defective Outlet has Check continuity of magnetron Continuity magnetron proper voltage Fuse does not Replace blow. Defective line Check continuity of Continuity noise filter board filter board Replace Check continuity of Open power Continuity supply cord power supply cord Adjust...
  • Page 21 (TROUBLE 3) No microwave oscillation even though fan motor rotates. CONDITION CHECK RESULT CAUSE REMEDY Check continuity of Replace Defective continuity high voltage fuse microwave high voltage oscillation fuse No microwave oscillation Continuity Check continuity of Defective high voltage capacitor terminals high voltage with wires removed transformer...
  • Page 22 (TROUBLE 4) Pizza Oven is not heated; CONDITION CHECK RESULT CAUSE REMEDY Adjust or Check continuity of Toaster Malfunction of replace continuity spring flat heater is spring flat not heated. Adjust or Check continuity of Malfunction of replace continuity interlock switch interlock switch Defective heater Check continuity of...
  • Page 23 (TROUBLE 6) The following visual conditions indicate a probable defective touch control circuit or membrane switch assembly 1. Incomplete segments, 1) Segments missing. 2) Partical segments missing. 3) Digit flickering other than normal display slight flickering. 4) " :0" does not display when power is on. 2.

  • Page 24: Measurement And Test

    MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly mmeasuring the temperature rise of a certain amount of water exposed to the microwave as directed below. PROCEDURE 1. Microwave power output measurement is made with the microwave oven supplied at rated voltage and operated at its maximum microwave power setting with a load of 1000 5cc of potable water.

  • Page 25: Microwave Radiation Test

    2. MICROWAVE RADIATION TEST CAUTION : 1. Make sure to check the microwave leakage before and after repair of adjustment. 2. Always start measuring of an unknown field to assure safety for operating personnel from microwave energy. 3. Do not place your hands into any suspected microwave radiation field unless the safe density level is known. 4.

  • Page 26: Component Test Procedure

    3. COMPONENT TEST PROCEDURE • High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle. • It is neither necessary nor advisable to attempt measurement of the high voltage. • Before touching any oven components or wiring, always unplug the oven from its power source and discharge the capacitor.

  • Page 27: Wiring Diagram

    WIRING DIAGRAM...

  • Page 28: Printed Circuit Board

    PRINTED CIRCUIT BOARD 1. CIRCUIT CHECK PROCEDURE 1. Low voltage transformer check The low voltage transformer is located on the P.C.B. Measuring condition: Input voltage: 120V / Frequency: 60Hz Terminal Voltage LOAD NO LOAD AC 14.5 V NOTE 1. Refer to Ciruit Diagram (point 4). 2.
  • Page 29 Measure Point...
  • Page 30 3. When there is no microwave oscillation 1) When touching START pad, oven lamp turns on and turntable rotates. but fan motor does not rotate. Cause : RELAY 1, 4 does not operate. refer to Circuit Diagram (point 2, 3) - Check method POINT STATE...

  • Page 31: Pcb Circuit Diagram

    2. PCB CIRCUIT DIAGRAM...

  • Page 32: Location No

    3. P.C.B. LOCATION NO. NAME SYMBOL SPECIFICATION PART CODE Q’TY BUZZER BM-20K 3515600100 C ARRAY 7P(6) 1000PF M 50V CN6XB-102M CAPACITOR CERA 102 50V Z AXIAL CCZB1H102K CAPACITOR CERA C1~7,C9,C10 104 50V Z AXIAL CCZF1H104Z CAPACITOR ELEC 50V RS 10UF CEXE1H100A CAPACITOR ELEC 25V RSS 1000MF...

  • Page 33: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST 1. DOOR ASSEMBLY Refer to Disassembly and assembly 2. CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3. TOTAL ASSEMBLY...
  • Page 34 So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service Information Center (http://svc.dwe.co.kr). PART NAME PART CODE DESCRIPTION Q'TY DOOR AS 3511725200 KOD-135P9A CONTROL-PANEL AS 3516732500 KOD-135P9A ASSY PIZZA OVEN 3510022000 KOD-135P9A CAVITY AS...

  • Page 35: Pizzaoven Assembly

    4. PIZZA OVEN ASSEMBLY (C00)
  • Page 36 3514200600 SUPPORTER PIZZA PANEL 3515308700 PLATE PIZZA PANEL 3514502800 SBHG T0.6 TRAY PIZZA 3517210300 SA1D T0.6, Teflon coating HEATER PIZZA *T 3512806500 KOD-135P9A PLATE TOP 3514502600 SBHG T0.4 PLATE REAR 3514502700 SECC T0.5 SENSOR TEMPERATURE 3514801400 PTM-K312-D7 HEATER PIZZA *U...
  • Page 37 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX: DWELEC K28177-8 CABLE: “DAEWOOELEC” S/M NO. : D135P9A000 PRINTED DATE: Sep. 2004...

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