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 - TABLE OF CONTENTS; FOREWORD
TABLE OF CONTENTS (Page) SAFETY PRECAUTIONS .............................................................................................................. Inside front page SPECIFICATIONS ...................................................................................................................
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 1 2 5 8 11 14 17 18 20 23 26 29 4 7 10 13 16 19 22 25 28 31 12 24 30 6 3 9 15 21 27
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, cookpowers, quantities, weights and cooking functionsselected. 2. Dinner Plate. Touch this pad to cook without entering a cook time or power. 3. Frozen Entree. Touch...
Page 9 - OVERALL CIRCUIT DIAGRAM
5-1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM (I) *Check the Model No.
Page 11 - MATRIX CIRCUIT FOR TOUCH KEY BOARD
5-3 MATRIX CIRCUIT FOR TOUCH KEY BOARD Warm Dinner Plate START Kitchen Timer Auto Defrost Option N.C Power Time Cook Cook STOPClear VENT On/Off Frozen Vegetable Vegetable Fresh Auto Reheat Auto VENT 5 Speed Frozen Entree Potato H i g h / N i g h t / O f f LIGHT Favorite Recipe Hold 1 2 3 4 Less Cloc...
Page 12 - 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 13 - 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 14 - 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 15 - 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 16 - A. REMOVING POWER AND CONTROL; DISASSEMBLY INSTRUCTIONS
7-4 IMPORTANT NOTES: UNIT MUST BE DISCONNECTED FROM ELEC-TRICAL OUTLET WHEN MAKING REPAIRS, RE-PLACEMENTS, ADJUSTMENTS AND CONTIN-UITY CHECKS. WHEN RECONNECTING THE WIRE LEADS TOANY PART, MAKE SURE THE WIRING CONNE-CTIONS AND LEAD COLORS ARE CORRECTLYMATCHED ACCORDING TO THE OVERALL CIR-CUIT DIAGRAM...
Page 19 - 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 20 - D. REMOVING MAGNETRON
Controller (3 screws) Door MountingPlate (1 or 2 screws) Out Case Mount,All ent Grille ent Grille 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...
Page 21 - 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 22 - 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 23 - 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 24 - 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 26 - 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 27 - 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 30 - 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 38 - EXPLODED VIEW; DOOR PARTS
EXPLODED VIEW DOOR PARTS Model: 721.63652300 / 721.63652301 721.63659300 / 721.63659301721.63654300 / 721.63654301721.63653300 / 721.63653301 8-1 1009 1003 1381 1011 1000 1002 1005 1004 1006 1007 W109 1008 For Model 721.63653 #EV#
Page 39 - CONTROLLER PARTS
8-2 CONTROLLER PARTS * 07 2381 2008 2006 W106 2004 2002 2000 * 07 2381 2008 2006 W106 2004 #EV# For Model: 721.63652 721.63659721.63654 For Model: 721.63653
Page 40 - OVEN CAVITY PARTS
8-3 OVEN CAVITY PARTS 3024 3003 3029 3001 W121 6001 3043 3014 3032 3018 3036 W121 5036 3026 3028 5038 6000 3033 W121 W108 3010 3031 W109 W138 W142 W138 W142 For Model 721.63653721.63659 For Model 721.63652721.63654 For Model 721.63653721.63659 For Model 721.63652721.63654 #EV#
Page 41 - LATCH BOARD PARTS
8-4 LATCH BOARD PARTS 4001 W111 4000 4002 4003 4002 4004 #EV#
Page 45 - INSTALLATION PARTS
8-8 INSTALLATION PARTS 6008 6010 6011 6009 VINYL BAG #EV#