Page 2 - TABLE OF CONTENTS
2 PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE 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 microwave ...
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 Precautionsto be Taken to Avoid Possible Exposure to Excessive Microwave Energy. 1. FOR S...
Page 4 - SPECIFICATIONS
4 SPECIFICATIONS MODEL KOG-131A9A11 POWER SUPPLY 120V~60H Z , SINGLE PHASE WITH EARTHING POWER MICROWAVE 1350W CONSUMPTION GRILL 1150W MICROWAVE ENERGY OUTPUT 1000W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS (W X H X D) 563X318X418mm (22.1X12.5X16.5 in.) CAVITY DIMENSIONS (W X H X D) 380X246X386...
Page 5 - EXTERNAL VIEW
Page 8 - INSTALLATION
8 1. Steady, flat location This microwave oven should be set on a steady, flat surface. This microwave oven is designed for counter top use only. 2. Leave space behind and side All air vents should be kept a clearance. If all vents are covered during operation, the oven may overheat and, eventually,...
Page 9 - OPERATIONS AND FUNCTIONS
9 OPERATIONS AND FUNCTIONS 1. Connect the main 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 must always be in place during cooking. 3. Close the door securely.4. When the oven door is opened, the light...
Page 10 - DISASSEMBLY AND ASSEMBLY
10 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 safeduring normal operation. However, carelessness in servicing the oven can result in an electric shock or possible...
Page 15 - High voltage circuit wiring; Cooling fin
15 NOTE : Never install the magnetron without the metallic gasket plate which is packed with each magnetron to prevent microwave leakage. Whenever repair work is carried out on magnetron, check the microwaveleakage. It shall not exceed 4mW/cm 2 for a fully assembled oven with door normally closed. 6...
Page 17 - To remove insulator Heater assembly.
17 11. To remove insulator Heater assembly. 1) Remove the HEX NUT (F09).2) Remove the two HEX NUTS (F43).3) Remove the insulator Heater assembly (C00).4) Reverse the above steps for reassembly. 1) Remove the HEX NUTS (C04).2) Remove the insulater Heater (C01) and Heater (C02).3) Remove the two screw...
Page 18 - INTERLOCK MECHANISM AND ADJUSTMENT
18 INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation whenthe door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) Primary interlock swi...
Page 19 - TROUBLE SHOOTING GUIDE
19 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 tranfor...
Page 23 - MEASUREMENT AND TEST; MEASUREMENT OF THE MICROWAVE POWER OUTPUT
23 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 waterexposed to the microwave as directed below. PROCEDURE 1. Microwave power output measurement is made with the microwave ...
Page 24 - MICROWAVE RADIATION TEST
24 2. MICROWAVE RADIATION TEST PROCEDURE 1. Prepare Microwave Energy Survey Meter, 600cc glass beaker, and glass thermometer 100°C (212°F). 2. Pour 275cc ± 15cc of tap water initially at 20 ± 5°C (68 ± 9°F) in the 600 cc glass beaker with an inside diameter of approx. 95mm(3.5 in.). 3. Place it at t...
Page 25 - COMPONENT TEST PROCEDURE
25 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 fr...
Page 26 - WIRING DIAGRAM
Page 27 - PRINTED CIRCUIT BOARD; CIRCUIT CHECK PROCEDURE
27 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 2. Voltage Check - Key check point - Check method NOTE1. Refer to Ciruit Diagram (point 4).2. Secondary ...
Page 32 - EXPLODED VIEW AND PARTS LIST; CONTROL PANEL ASSEMBLY
32 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 35 - DAEWOO ELECTRONICS CORP.
S/M NO. : G131A9A11001 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: Nov, 2002