Daewoo Electronics KOR-63D59A User's Manual
Contents
1. PART CODE PART NAME DESCRIPTION QTV A00 3511714420 DOOR AS KOR 63D59A 1 B00 3516721260 CONTROL PANEL AS KOR 63D59A 1 FO1 3510805000 CABINET SECC T0 5 1 FO2 7112401011 SCREW TAPPING T1 TRS 4x10 MFZN 3 FO3 3516109640 CAVITV JOINT AS KOR 63D59A 1 F04 7112401011 SCREW TAPPING T1 TRS 4x10 MFZN 1 F05 7122401211 SCREW TAPPING 25 TRS 4x12 MFZN 1 F06 7122401211 SEREW TAPPING 25 TRS 4x12 MFZN 1 F07 7112401011 SCREW TAPPING T1 TRS 4x10 MFZN F08 35113NCN35 CORD POWER AS 3x18AWG 40 40 120 RTMI 1 F10 7112401011 SCREW TAPPING T1 TRS 4x10 MFZN 1 F11 7121403011 SCREW TAPPING T2S PAN 4x30 MFZN 2 F12 3963821620 MOTOR SHADED POLE 120V 60Hz MWO8XA MO1 1 F13 3512517000 GUIDE WIND PP 1 F14 3511800300 FAN PP 30 GLASS 1 F15 3518002200 MAGNETRON 2M218H MF 1 3518003300 MAGNETRON 2M214 241GP 1 F16 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5x12 DACRO 1 F17 7S422X4081 SCREW SPECIAL TT2 TRS 4x8 SE MFZN 1 F18 3513003200 HOLDER HV CAPACITOR SECC 0 6 1 F19 3518301500 CAPACITOR HV 2100VAC 0 77uF 187 1 F20 3518400900 DIODE HV AS HVR 1X 30B 187 1 3518401000 DIODE HV AS ESJC13 12BX 187 1 3518114480 TRANS HV DT N70A1 63T 1 F21 3518114490 TRANS HV 70 1 63 1 3518117400 TRANS JMOT N70A1 63T 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4x8 FLG MFZN 4 F23 3510811710 BASE SECC T0 6 1 F24 7112401011 SCREW TAPPING T1 TRS 4x10 MFZN 5 F25 3512100900 FOOT PP DASF 130 2 F26 75422 40812. NOTE 1 When setting timer for less than 2 min utes turn the timer past 2 minutes and then return to the correct timer setting 2 Various clicking noises may be heard when turning V P C knob This is normal and does not affect the operation of your microwave oven n 4 1 Make sure the oven is properly installed and plugged into the belectrical outlet uc imma sc oM wa kam sai ami was a a a a a a E i a a a Variable power cooking On and OFF cycle time of mechanical V P C switch is 30 seconds When the V P C knob is set to the desired position and timer knob turns to the desired position the V P C switch has a cycle ON OFF time sec listed below Variable power setting ON OFF time APproximate Percentage Power level Symbol of Power REHEAT 1t 30 0 10096 ROAST ir 23 2 6 8 77 MEDIUM ir 78 5 13 5 5596 DEFROST X 9 8 20 2 3396 LOW vr 5 25 17 DISASSEMBLV AND ASSEMBLV Cautions to be observed when trouble shooting Unlike manv 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 You are asked to observe the following precautions carefully 1 Always remove the power plug from the outle
3. 5 Pull out the timer knob from the timer 6 Pull out the imer coupler from the timer 7 Remove the screw which secure the V P C coupler 8 Pull out the V P C coupler V P C knob and flat spring from the control panel 9 Remove door open button and button spring from the control panel 10 Reverse the above steps for reassembly 10 6 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 reassembiv High voltage circuit wiring 7 To remove magnetron 1 Remove a screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembiv 11 8 To remove wind guide assembiv 1 Remove a screw which secure the wind guide assembiv 2 Draw forward the wind guide assembiv Pull the fan from the motor shaft Remove two screws which secure the motor shaded pole Remove the motor shaded pole Reverse the above steps for reassembly EZ tac NS co M bs AN 3 4 5 6 9 To remove H V transformer 1 Remove four screws holding the H V transformer 2 Remove the H V transformer 3 Reverse the above steps for reassembly 12 INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been speciallv designed to completelv eliminate microwave radiation
4. S TOTAL ne ie 20 SAFETV AND PRECAUTIONS Service Procedures to Assure Continued Safetv Operation and for Precautions to be Taken to Avoid Possible 4 This device is to be Serviced only by Properly Qualified Service Personel Consult the Service Manual for Proper Exposure to Excessive Microwave Energv l EMILE E EE ae Ee EE ERN EE EE eS A EE 1 FOR SAFE OPERATION Damage that allows the microwave energy that cooks or heats the food to escape will result in poor cooking and may cause serious bodily injury to the operator IF ANY OF THE FOLLOWING CONDITIONS EXIST OPERATOR MUST NOT USE THE APPLIANCE Only a trained service personnel should make repairs 1 A broken door hinge 2 A broken door viewing screen 3 A broken front panel oven cavity 4 A loosened door lock b A broken door lock The door gasket plate and oven cavity surface should be kept clean No grease soil or spatter should be allowed to build up on these surfaces or inside the oven DO NOT ATTEMPT TO OPERATE THIS APPLIANCE WITH THE DOOR OPEN The microwave oven has concealed switches to make sure the power is turned off when the door is opened Do not attempt to defeat them DO NOT ATTEMPT TO SERVICE THIS APPLIANCE UNTIL YOU HAVE READ THIS SERVICE MANUAL FOR SAFE SERVICE PROCEDURES 1 If the oven is operative prior to servicing a microwave emissi
5. when the door is opened during operation and thus to perfectiv prevent the danger resulting from the leakage of microwave 1 Primarv interlock switch When the door is closed the hook locks the oven door If the door is not closed properly the oven will not operate When the door is closed the hook pushes the button of the microswitch Then the button of the primarv interlock switch bring it under condition 2 Secondary interlock switch and interlock monitor switch When the door is closed the hook pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under OFF condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment steps Loosen the two mounting screws b Adjust interlock switch assembly position c Make sure that lock lever moves smoothly after adjustment is completed d Tighten completely two mounting screws 13 TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not 1 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 transformer disconnect one lead wire from these parts and check continuity with the AC plug removed To do otherwise may result in a false reading or dam
6. Approx 10 2 High voltage capacitor 1 Check continuity of capacitor with meter on the highest OHM scale 2 A normal capacitor will show continuity for a short time and then indicate 10MQ once the capacitor is charged 3 A shorted capacitor will show continuous continuity 4 An open capacitor will show constant 10 0 b Resistance between each terminal and chassis should be infinite 3 High voltage diode 1 Isolate the diode from the circuit by disconnecting the leads 2 With the ohmmeter set on the highest resistance scale measure the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries should be used to check the front back resistance of the diode oth erwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction and several hundred in the other direction 4 Magnetron For complete magnetron diagnosis refer to Measurement of the Microwave Power Output Continuity checks can only indicate and open filament or a shorted magnetron To diagnose for an open filament or a shorted magnetron 1 Isolate magnetron from the circuit by disconnecting the leads 2 A continuity check across magnetron filament terminals should indicate 0 10 or less 3 A continuity check between each filament terminal and magnetron case should read open 5 Fuse If the fuse
7. S M No R63D59A001 Service Manual Microwave Oven Model KOR 63D59A DAEWOO ELECTRONICS 40 LTD PRECAUTIONS 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 as 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 c Before turning on power to the microwave oven for any service test or inspection within the microwave gen erating compartments check the magnetron wave guide or transmission line and cavity for proper align ment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal performance standard should be per formed on each oven prior to release to the owner TABLE OF CONTENTS SAFETY AND PRECAUTIONS 2 a a m 2 1 FOR SAFE OPERATION aansnaasaansnasassnanasasasansasaanaasaana
8. SCREW SPECIAL TT2 TRS 4x8 SE MFZN 1 F27 3515201101 STOPPER HINGE U SCP 1 12 5 1 F28 4415 17352 SW MICRO VP 533A OF SPNO 4187 200G 1 F29 4415A66600 SW MICRO VP 532A OF SPNO 187 200G 1 F30 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F31 3513702600 LEVER LOCK POM 1 F32 3513811700 LOCK POM 1 F33 3513601500 LAMP BL125V 25W 25 H187 1 F34 FUSE 120 150V 15A 1 F35 3512715100 HARNESS MAIN KOR 63150A 1 F36 7121400611 SCREW TAPPING T2S PAN 4x6 MFZN 1 F37 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 3966821000 MOTOR SYNCRO 120V60Hz TYJ50 8 1 F38 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB 1 F39 3513003400 HOLDER THERMOSTAT PBT 1 F40 3516003700 SPECIAL SCREW TT3 HEX 4x8 FLG MFZN 1 F41 3511406220 COVER WAVE GUIDE PP J640A 1 F42 3517400620 COUPLER XAREC 1 F43 3514700710 ROLLER TEFLON 3 F44 3512517300 GUIDE ROLLER PP 5113MF6 A353B 1 F45 3517203600 TRAY GLASS 1 21 S M NO DAEWOO 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 02 360 8184 TEL 02 360 8183 E mail G7FOOEWDWeb dwe co kr PRINTED DATE Oct 1999
9. age to your meter ae ae a el ae ae el alc lc lle oe eo etn m m m m m NOTE When electric parts are checked be sure the power cord is not inserted the wall outlet Check wire harness wiring and connected of the terminals and power before check the parts listed below l TROUBLE 1 Oven does not operate at all any inputs not be accepted Does the fan motor work when you shut the door and turn the timer y Does the YES Check continuity of interlock Continuity papas primary a interlock switch and interlock fuse blow monitor switch with door shut monitor switch N e o NO Continuitv Replace fuse and check con NO Replace primary secondary tinuity of both interlock 3 7 interlock switch and interlock switch s contact and monitor monitor switch switch s contact with door partially open until monitor Switch contact Both continuity Disconnect one side of the Normal Replace high volt lead wire connected from age capacitor transformer to the high volt capacitor and operate oven Fuse again Replace high volt age transformer Y If outlet has proper voltage check continuity of power sup ply cord Replace power sup ply cord 14 Does the fan motor work when
10. asnanaasnanaasnanaasnasassaasasnaasansaanansaanansaasnanssanaasaasaanaasaanaasaanaasnanansana 2 2 FOR SAFE SERVICE PROCEDURES ssnnnannennonnsennsnannannasanaananannannaannannasannannennennsennsnannasnasanannanaanannaannannannnnannannnn 2 SPECIFICATIONS i aaa a uuu kaq 3 EXTERNAL VIEW ETC a e a asa saa 4 TOMER DIMEN SION dei ii keta rin 4 2 FEATURE DIAGRAM aassasaassasnaassasaassanansanaansaasanssasansansansansansansansansanssnsansisnsanssnsanssnsanssasanssnsansansansanssasanssaqanssasabunana 4 INSTALLATION iii E uususuas ua dh su 5 OPERATIONS AND EUNGTIONS RR e ce sect A ELE 6 DISASSEMBLY ASSENMBLY I U u uuu 7 INTERLOCK MECHANISM AND ADJUSTMENT e e I 13 TROUBLE SHOOTING GUIDE a ooo citet a W I a 14 MEASUREMENT AND TEST sss sssessssesesseseerssenrssensescnscoenseneanensnnenseneneeneenensenenseneeeensenessensnaensenensenesenasesenacoeseenenneneeneeneaeaes 16 1 MEASUREMENT OF THE MICROWAVE POWER OUTPUT 2222 444 2 2 0100000 00 00000000000000858 16 2 MICROWAVE RADIATION dadi ada 17 3 TEST PROCEDURE 1 8 a ieda ad EIL 19 EXPLODED VIEW AND PARTS LIST iii e E 20 1 DOOR ASSEMBLV a TIT SME EE SE Eas 20 2 CONTROL PANEL ASSEMBLY M 20
11. en front surface Tighten two screws x 1 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then 1 push the door to contact the door seal to oven front surface Tighten two screws gt 1 L L SIE RIPE EE NOTE A small gap may be acceptable if the microwave leakage does not exceed 4mW cm2 L 5 To remove control panel parts is e un ORO REF NO PART CODE PART NAME DESCRIPTION REMARK B01 3513405500 KNOB VPC ABS XR 401 H 2938 1 B02 3516725310 CONTROL PANEL ABS VT 0826 AF 348 1 B03 3515101600 SPRING FLAT SUS 301 T0 5 1 B04 3517400500 COUPLER VPC KNOB POM 1 B05 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 B06 3517400400 COUPLER TIMER POM 1 B07 3518204300 TIMER KN35MKD 15U P 1 B08 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 2 B09 3513405410 KNOB ABS XR 401 H 2938 1 B10 3513702710 LEVER DOOR OPEN PP 1 B11 441G430171 SPRING BUTTON SWP DIA 0 7 1 B12 3516906940 BUTTON DOOR OPEN ABS SG 0760 SG 175 1 1 Remove the screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 Remove the door open lever from the control panel 3 Remove four screws which secure the timer assembly 4 Remove the timer assembly
12. in the primary and monitor switch circuit is blown when the door is opened check the primary and monitor Switch before replacing the blown fuse In case the fuse is blown by an improper switch operation replace the defective switch and fuse at the same time Replace just the fuse if the switches operate normally 18 WIRING DIAGRAM YITIOSLNOD YMOd TIBIA FIHA NMOJQ 48 HOH dA NL Np 2 000 M NO OLON 29402 10 WE 018 03010 wood NOLON AMOTEJNVJ JU 38 9 3H HA L NOILIGNOO ALAYI 7 JONVAQ 0 38 dy 310N HOLMS X20 TIN m AW CNOOSS M A AH 1 9 NOMLSNOY N09 qe HOLINS ff T N9 b ie JOLINOM 2400 mUD 90 aN il G re E I LJ Ls e TANE TIONS i 19905 304 I I 1 asna il i u abe 2 Yd ING OHOH 09 109 JOVLIDA HOH igen kol 19 EXPLODED VIEW AND PARTS LIST 1 DOOR ASSEMBLV Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 20 1 KOR 63D59A
13. ly closed must be less than 4mW cm 2 When measuring the leakage always use the 5cm 2in space cone with probe Hold the probe perpendicular to the cabinet and door Place the space cone of the probe on the door cabinet door seem door viewing screen the exhaust air vents and the suction air vents 3 Measuring should be in a counter clockwise direction at a rate of 1 in sec If the leakage of the cabinet door seem is unknown move the probe more slowly 4 When measuring near a corner of the door keep the probe 22 Ske perpendicular to the areas making sure the probe end at the base of the cone does not get closer than 2 in from any metal If it does not erroneous reading may result 17 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 1 High voltage transformer 1 Remove connections from the transformer terminals and check continuity 2 Normal readings should be as follows Secondary winding Approx 1109 10 Filament winding Approx 00 Primary winding
14. m 11 4 x 8 7 x 12 0 in NET WEIGHT Approx 11 5 kg 25 3 Ibs TIMER 35 min FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 5 LEVELS CAVITY VOLUME 0 7 Cu Ft SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE EXTERNAL VIEW 1 OUTER DIMENSION KOR 631G H KOR 861G H 465 564 Lo 279 2 FEATURE DIAGRAM di 3 c 10 1 Safety interlock system Doorviewing screen Allows viewing of food MThe screen is designed so that light can pass through but not the microwave 3 Door hook When the door is closed it will automatically lock shut If door is opened while oven is operating magnetron tube will immediately stop operating Oven cavity Door seal Door seal maintains the microwave within the oven cavity and prevents microwave leakage Glass cooking tray Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 7 Roller guide This must always be used for cooking together with the glass cooking tray 8 Coupler This fits over the shaft in the center of the ovens cavity floor This is to remain in the oven for all cooking 9 Knob V P C Used to select a microwave power level 10 Knob timer Used in setting cooking time for all f
15. nsion cord must be a grounding type 3 wire cord 3 The longer cord should be arranged so that it will not drape over the counter top or tabletop where it can be pulled on by children or tripped over unintentionally 6 Examine the oven after unpacking for any damage such as A misaligned door broken door or a dent in cavity If any of the above are visible DO NOT INSTALL and notify dealer immediately 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 trav The glass trav must alwavs be in place during cooking 3 Close the door securelv 4 Choose cooking power level bv setting V P C knob to the desired position Refer to cookbook for recommended power levels 5 Determine cooking time Consult cookbook for recipe timing Oven light turns on and cooling fan starts to operate Microwave cooking starts 6 You may open the door while the oven is operating As soon as the door is opened the safety mechanism stop the generation of microwave power and the operation of cook ing timer If you wish to change the time during cooking simply adjust the timer to the desired time 7 When the timer reaches zero a bell will ring and the unit will turn off Oven light turns off If additional cooking time is needed and the door is closed the oven will autom atically start when the timer is reset
16. on check should be performed prior to servicing the oven 2 If any certified oven unit is found to servicing a microwave emission check should be performed prior to servicing the Oven a inform the manufacturer importer or assembler b repair the unit at no cost to the owner c attempt to ascertain the cause of the excessive leakage d tell the owner of the unit not to use the unit until the oven has been brought into compliance 3 If the oven operates with the door open the service person should tell the user not to operate the oven and contact the manufacturer and CDRH immediately pror uS E CE as CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT BE EXPOSED TO THE MICROWAVE ENERGY WHICH MAY RADIATE FROM THE MAGNETRON OR OTHER MICROWAVE GENERATING DEVICE IF IT IS IMPROPERLY USED OR CONNECTED ALL INPUT AND OUTPUT MICROWAVE CONNECTIONS WAVEGUIDE FLANGES AND PASKETS MUST BE SECURE NEVER OPERATE THE DEVICE WITHOUT A MICROWAVE ENERGY ABSORBING LOAD ATTACHED NEVER LOOK INTO AN OPEN SAVEGUIDE OR ANTENNA WHILE THE DEVICE IS ENERGIZED SPECIFICATIONS MODEL KOR 63D59A POWER SUPPLV 120V 60Hz SINGLE PHASE WITH GROUNDING MICROWAVE 1000W POWER GRILL CONSUMPTION COMBINATION MICROWAVE ENERGY OUTPUT 700W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 465 x 279 x 364 mm 18 3 x 11 0 x 14 4 in CAVITY DIMENSIONS W X H X D 290 x 220 x 306 m
17. r exposing microwave These parts as follows HV Transformer Magnetron l HV Capacitor HV Diode HV fuse l 1 To remove cabinet 2 To remove door assembly 1 Remove three screws on cabinet back 1 Remove two screws which secure the stopper hinge 2 Push the cabinet backward top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for reassembly 3 To remove door parts REF NO PART CODE PART NAME DESCRIPTION REMARK A01 3512203880 FRAME DOOR PP SI83C 1 A02 3517007300 BARRIER SCREEN O PET 0 125 1 A03 3515204100 STOPPER HINGE T AS 631505 1 04 3511705500 DOOR WELD 55 KOR 61150S 1 05 3517002800 BARRIER SCREEN 71 PE TO 1 1 A06 3512300200 GASKET DOOR PP 1 A07 3513100700 HOOK POM 1 A08 3515101300 SPRING HOOK PW 1 1 1 2 Remove the gasket door from door plate Remove the door frame from door plate Remove the stopper hinge top from door plate Remove the spring and the hook Remove the barrier screen outer from door frame 3 4 5 6 Reverse the above steps for reassembly were LIII 4 Method to reduce the gap between the door seal and the oven front surface 1 To reduce gap located on part A Loosen a screws on stopper hinge top and then push the door to contact the door seal to ov
18. t before servicing 2 Use an insulated screwdriver and ware rubber gloves when servicing the high voltage side 3 Discharge the high voltage capacitor before touching any oven components or wiring 1 Check the grounding Do not operate on a two wire extension cord The microwave oven is designed to be used while earthed It is imperative therefore to make sure it is earthed properly before beginning repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation stopped and electric charge remains in the high voltage capacitor When replacing or checking parts short between oven chassis and the negative high terminal of the high voltage capacitor by using a properly insulated screwdriver to discharge 4 When the 15A fuse is blown out due to the operation of the monitor Switch replace primary interlock switch secondary interlock switch and interlock monitor switch 5 After repair or replacement of parts make sure that the screws are properly tightened and all electrical connections are tightened 6 Do not operate without cabinet uq RE I EEG RIEN Eu I III CAUTION Service personnel should remove their watches whenever working close to or replacing the magnetron I IPIS ML E C CQ D I C C cc c cuc cc Scl I WARNING When servicing the appliance need a care of touching or replacing high potential parts because of I electrical shock o
19. ture should be 2042 C 6843 6 F l LL A A Heating time for power output A second 70 64 60 56 52 49 47 44 42 40 38 B W 600 650 700 750 800 850 900 950 1000 1050 1100 16 2 MICROWAVE RADIATION TEST moeke a ET ae Ice WARNING 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 Care should be taken not to place the eyes in direct line with the source of microwave energy 5 Slowly approach the unit under test until the radiometer reads an appreciable microwave leakage from the unit under the test LU PROCEDURES gt Prepare Microwave Energv Survev Meter 600 glass beaker and glass thermometer 100 C 212 F Pour 275 15 of tap water initially at 20 5 C 68 9 F in the 600cc glass beaker with an inside diameter of approx 95mm 3 5in Place it at the center of the tray and set it in a cavity Close the door and operate the oven Measure the leakage by using Microwave Energy Survey Meter with dual ranges set to 2450MHz 1 Measured radiation leakage must not exceed the value prescribed below Leakage for a fully assembled oven with door normal
20. unctions 11 Door release button By pushing this button the latch system cut off all circuits and stops the oven before the door is opened N OI B 4 INSTALLATION 1 Steady flat location This microwave oven should be set on a steady flat surface 2 Leave space behind and side All air vents should be kept a clearance If all vents are covered during operation the oven may be overheated and eventually cause oven failure 3 Away from radio and TV sets Poor television reception and radio interference may result if the oven is located close to a TV radio antenna or feeder and so on 4 Away from heating appliances and water taps Keep the oven away from hot air steam or splash when choosing a place to position it or the insulation might be adversely affected and breakdowns occur 5 Power supply Check your local power source This microwave oven requires a current of approximately 12 10 KOR 630A9A amperes 120Volts 60Hz grounded outlet Power supply cord is about 0 8 meters long 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in or tripping over a longer cord 2 Longer cord sets or extension cords are available and may be used if care is exercised in their use 3 If a long cord or extension cord is used 1 The marked electrical rating of the cord set or extension cord should be at least as great as the electrical rat ing of the appliance 2 The exte
21. vou shut the door and turn the timer2 Does the oven lamp light NO Replace or repair oven lamp Does the turntable turn turntable motor YES Normal reading should be approx 00 Y NO Ii microwave do not oscilale Continuity Check continuity filament tap NO Continuity gt Replace high volt 3 3V of high voltage age transformet of magnetron Poor continuity Continuity Continuity in ET the reverse eck the diode for continuity direction A in the reverse and normal a b pa directions Continuit E Replace magnetron Meter with 6V or higher voltage batteries should be used to check the normal direction resis tance of the diode Y Check the isolation of filament NO Good Replace high winding of high voltage trans voltage former transformer Good i Replace magnetron 15 MEASUREMENT AND TEST 1 MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring 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
22. water 2 The water is contained in a cylindrical borosilicate glass vessel having a maximum material thickness of 3 mm and an outside diameter of approximately 190 mm 3 The oven and the empty vessel are at ambient temperature prior to the start of the test The initial temperature of the water is 10 2 C 50 3 6 F It is measured immediately before the water is added to the vessel After addition of the water to the vessel the load is immediately placed on the center of the shelf which is in the lowest normal position 4 Microwave power is switched on 5 Heating time should be exactly A seconds Refer to table as following Heating time is measured while the microwave generator is operating at full power The filament heat up time for magnetron is not included 6 The initial and final temperature of water is selected so that the maximum difference between the ambient and final water temperature is 5K 7 The microwave power output P in watts is calculated from the following for mula P 4187 X AT is difference between initial and ending temperature e It is the heating time The power measured should be B Refer to SPECIFICATIONS W 10 0 p ace ES I MA core Derren at ana te a a aD l CAUTION 1 Water load should be measured exactly to 1 liters 2 Input power voltage should be exactiv specified voltage Refer to SPECIFICATIONS Ambient tempera
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