Page 2 - CAUTION; SAFETY PRECAUTIONS; a. Do not operate or allow the oven to be operated with the door open.
CAUTION SAFETY PRECAUTIONS 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 magn...
Page 3 - FOREWORD; TABLE OF CONTENTS
FOREWORD Read this Manual carefully. Failure to adhere to or observe the information in this Manual may result in exposingyourself to the Microwave Energy normally contained within the oven cavity. TABLE OF CONTENTS (Page) SAFETY PRECAUTIONS .............................................................
Page 4 - SPECIFICATIONS
1-1 Rated Power Consumption..................................................1,500W maximum (Microwave oven+Cook top lamps+Ventilation fan)Microwave Output.................................................................1000W (IEC 60705) Adjustable 100W through 1000W, 10 steps Frequency ...............
Page 5 - CAUTIONS; MICROWAVE RADIATION
2-1 CAUTIONS • DO NOT operate on a 2-wire extension cord during repair and use. • NEVER TOUCH any oven components or wiring during operation. • BEFORE TOUCHING any parts of the oven, always remove the power plug from the outlet. • For about 30 seconds after the oven stops, an electric charge remains...
Page 6 - INSTALLATION; PRECAUTIONS ON INSTALLATION; GROUNDING INSTRUCTIONS; WARNING
3-1 INSTALLATION PRECAUTIONS ON INSTALLATION A. Plug the power supply cord into a 120V AC, 60Hz, single-phase power source with a capacity of 15Aor 20A. B. Avoid placing the unit in a location where there is direct heat or splashing water. C. Install the unit on the mounting plate firmly.D. Place th...
Page 7 - CONTROL PANEL; OPERATING INSTRUCTIONS
CONTROL PANEL 4-1 OPERATING INSTRUCTIONS 25 24 4 7 9 15 22 21 8 10 17 20 23 2 5 3 6 1 12 13 11 16 14 18 19
Page 8 - CONTROL PANEL INSTRUCTIONS
CONTROL PANEL INSTRUCTIONS 4-2 1. DISPLAY: The Display includes a clock and indicators to tell you time of day, cooking time settings and cookingfunctions selected. 2. MORE: Touch this pad to add ten seconds of cooking time each time you press it. 3. LESS: Touch this pad to subtract ten seconds of c...
Page 9 - SCHEMATIC DIAGRAM; OVERALL CIRCUIT DIAGRAM
Page 10 - MATRIX CIRCUIT FOR TOUCH KEY BOARD
5-2 MATRIX CIRCUIT FOR TOUCH KEY BOARD REHEAT N.C N.C CUSTOM POWER PIZZA CLEAR STOP TIMER MORE TURNTABLE ON/OFF COOK POPCORN POTATO VEGETABLE VEGETABLE N.C START WARM HOLD LEVEL CLOCK SET CUSTOM LIGHT HI/LO/OFF LESS LIGHT HI/LO/OFF VENT N.C Ez-On TIMER KITCHEN N.C N.C N.C N.C DEFROST AUTO TIME COOK ...
Page 11 - GENERAL INFORMATION FOR SERVICE
6-1 GENERAL PRECAUTIONS IN USE A. Never operate the unit when it is empty. Operating the oven with no load may shorten thelife of the magnetron. Whenever cooking dry foods(dried fish, bread, etc.) or a small amount of food,be sure to put a glass of water into the cookingcompartment. The glass turnta...
Page 12 - PRELIMINARY; PRECAUTIONS AND REPAIR SERVICE TIPS; SERVICE INFORMATION
PRELIMINARY A. SINCE NEARLY 2,100 VOLTS EXISTS IN SOME CIRCUITS OF THIS UNIT REPAIRS SHOULD BECARRIED OUT WITH GREAT CARE.The filament leads of magnetron carry HighVoltage with respect to ground. Extreme caution must be exercised. Never plug the unit into apower source to determine which component i...
Page 13 - EQUIPMENT; MICROWAVE LEAKAGE TEST
7-2 CAUTIONS • Be sure to check microwave leakage prior to servicing the oven if the oven is operative prior toservicing. • The service personnel should inform the manufacture importer, or assembler of any certifiedoven unit found to have a microwave emission levelin excess of 5 mW/cm 2 and should r...
Page 14 - NOTE WHEN MEASURING; POWER OUTPUT MEASUREMENT
MEASUREMENT WITH THE OUTER CASEREMOVED (1) When you replace the magnetron, measure for microwave energy leakage before the outer caseis installed and after all necessary componentsare replaced or adjusted. Special care should betaken in measuring the following parts. - Around the magnetron- The wave...
Page 15 - A. REMOVING POWER AND CONTROL; DISASSEMBLY INSTRUCTIONS
IMPORTANT NOTES: UNIT MUST BE DISCONNECTED FROM ELEC-TRICAL OUTLET WHEN MAKING REPAIRS, RE-PLACEMENTS, ADJUSTMENTS AND CONTIN-UITY CHECKS. WAIT AT LEAST ONE MINUTE,UNTIL THE HIGH VOLTAGE CAPACITOR IN THEHIGH VOLTAGE POWER SUPPLY HAS FULLYDISCHARGED.THE CAPACITOR SHOULD BE DISCHARGED BYUSING INSULATE...
Page 18 - C REMOVING THE DOOR INTERLOCK
WIRE COLOR SYMBOL COLOR WH BK BR RD BL PK GY N.P. WHITE BLACK BROWN RED BLUE PINK GREY Not Provided Latch Board Secondary Interlock Switch Interlock Monitor Switch Primary Interlock Switch Latch Board WH(from H.V.Transformer) YL(from Fan Motor)WH(from Power Cord) WH(from cooktop lamp) Secondary Inte...
Page 19 - D. REMOVING MAGNETRON
Vent Grille Controller (3 screws) Door MountingPlate (1 or 2 screws) Out Case Mount,All D. REMOVING MAGNETRON (Figures 11 Through 13) (1) Remove the vent grille by loosening two screws. (Figure 11) (2) Remove the outcase. See page 7-6.(3) Remove three tap tite screws securing the magnetron to the wa...
Page 20 - E. REMOVING STIRRER FAN
E. REMOVING STIRRER FAN (Figures 14 and 15) (1) Remove one rivet ASS'Y securing it to the oven upper plate by using knife blade. (2) Rotate slightly and pull out the stirrer fan cover.(3) Remove the stirrer fan. F. REMOVING DOOR (Figure 16) (1) Remove the vent grille by two screws securing it to the...
Page 21 - I. REMOVING THE VENTILATION MOTOR; J. REPLACING THE HUMIDITY SENSOR
H. ASSEMBLING DOOR (1) When mounting the door assembly to the oven assembly, be sure to adjust the door assemblyparallel to the chassis. Also adjust so the door has noplay between the inner door surface and oven frameassembly. If the door assembly is not mountedproperly, microwaves may leak from the...
Page 22 - K. REMOVING THE TURNTABLE MOTOR
K. REMOVING THE TURNTABLE MOTOR (1) Remove the turntable.(2) Remove the turntable shaft VERY CAREFULLY with a slotted screwdriver. (Figure 20) (3) Remove the base plate by removing 7 screws securing it to the oven cavity. (Figure 21) (4) Disconnect the leadwire from the turntable motor terminals. (5...
Page 23 - INTERLOCK SYSTEM; INTERLOCK MECHANISM
7-12 ADJUSTMENT PROCEDURES To avoid possible exposure to microwave energyleakage, adjust the door latches and interlockswitches, using the following procedure. The Interlock Monitor and Primary Interlock Switch actas the final safety switch protecting the user frommicrowave energy. The terminals bet...
Page 25 - WARNING : FOR CONTINUED PROTECTION AGAINST EXCESSIVE RADIATION; COMPONENTS; INTERLOCK CONTINUITY TEST
7-14 A. PRIMARY INTERLOCK SWITCH TEST When the door is opened slowly, an audible clickshould be heard at the same time or successivelyat intervals and the latches should activate theswitches with an audible click.If the latches do not activate the switches when thedoor is closed, the switches should...
Page 26 - TEST AND CHECKOUT PROCEDURES, AND TROUBLE SHOOTING
7-15 - CAUTIONS - - DISCONNECT THE POWER SUPPLY CORD FROM THE WALL OUTLET WHENEVERREMOVINGING THE CABINET FROM THE UNIT.PROCEED WITH THE TESTS ONLY AFTERDISCHARGING THE HIGH VOLTAGE CAPACITORAND REMOVING THE WIRE LEADS FROM THEPRIMARY WINDING OF THE HIGH VOLTAGETRANSFORMER. (SEE FIGURE 24) - ALL OPE...
Page 29 - B. CHECKOUT PROCEDURES
7-18 COMPONENTS TEST PROCEDURES RESULTS RELAY2 Check for continuity of relay 2 with anohm-meter.(Remove wire leads from relay 2 andoperate the unit.) NOTES: • A MICROWAVE ENERGY TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FORANY REASON. • MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSIT...
Page 37 - EXPLODED VIEW; DOOR
8-1 EXPLODED VIEW DOOR 13581A 13552A WTP004 13536A 13213A 14760A 13720D 13650A WTT028 14890A 14970A 14026A
Page 39 - OVEN CAVITY
8-3 OVEN CAVITY 33530A 34960A 33550P WTT021 WTT027 WTT029 WTT028 WTT029 WTT027 33112U WTT022 34810Q 34930R 330342 535501 35230A WTT022 63302A 56804A 368771 63303A 36912C WTT022 330341 35026G
Page 40 - LATCH BOARD
8-4 LATCH BOARD 466001 43501A 43500A 466003 466001 44510A WSZ084
Page 45 - PRINTED CIRCUIT BOARD
Page 46 - Printed in Korea
