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WIRING DIAGRAM

24

Содержание KOG-164H

Страница 1: ...Service Manual Model KOG 164H Microwave Oven Feb 2002 S M No R164H0A001 ...

Страница 2: ...agnetron or other microwave 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 generating compartments check the magnetron wave gu...

Страница 3: ...g 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 oper...

Страница 4: ...VE 1400W GRILL COMBINATION MICROWAVE ENERGY OUTPUT 1000W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 589 x 339 x 486 mm 23 2 x 13 3 x 19 1 in CAVITY DIMENSIONS W X H X D 399 x 263 x 426 mm 15 7 x 10 4 x 16 8 in NET W EIGHT APPROX 18 5 Kg 40 8 lbs TIMER 99 min 99 sec FUNCTION SELECTIONS MICROWAVE POW ER SELECTIONS 10 LEVELS CAVITY VOLUME 1 6 Cu Ft 3 ...

Страница 5: ...486 339 4 1 2 3 4 5 6 7 8 9 0 KICHEN TIMER CLOCK POWER STOP CLEAR START SPEEDY COOK MEAT MORE M W DEF Ons Touch Easy Cook TIMER LOCK Ib BEVERAGE POPCORN FRESH VEGETABLE FROZEN VEGETABLE FROZEN PIZZA DINNER PLATE LESS POULTRY FISH DEFROST ...

Страница 6: ...the microwave outlet from splashes of cooking foods 5 OVEN LAMP Automatically turns on during oven operating 6 SAFETY INTERLOCK SYSTEM 7 CONTROL PANEL 8 GLASS COOKING TRAY Made of special heat resistant glass The tray must always be in proper position before operating Do not cook food directly on the tray 9 OVEN FRONT PLATE 10 ROLLER GUIDE Supports the glass cooking tray 5 1 2 3 4 5 6 7 8 9 0 KICH...

Страница 7: ...ght 7 Power Used to set power level 8 Defrost Used to defrost foods for time 9 Kitchen Timer Used as a minute timer delay cooking hold setting after cooking 10 Clock Used to set clock 11 Stop Clear Used to stop the oven operation or to delete the cooking data 12 Start Speedy cook Used to start the oven and also used to set a reheat time 6 1 2 3 4 5 6 7 8 9 0 KICHEN TIMER CLOCK POWER STOP CLEAR STA...

Страница 8: ...roximately 12 amperes 120 Volts 60 Hz 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...

Страница 9: ... CLEAR pad is touched during the oven operation the oven stops cooking and all information retained To erase all information except the present time touch the STOP CLEAR pad once more If the oven door is opened during the oven operation all information is retained 10 If the START pad is touched and the oven does not operate check the area between the door and door is closed securely The oven will ...

Страница 10: ...ing 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 du...

Страница 11: ...inet backward 2 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 10 ...

Страница 12: ...1607700 DECORATOR DOOR T SUS T0 5 1 A11 3511607900 DECORATOR DOOR L SUS T0 5 1 A12 3511607800 DECORATOR DOOR U SUS T0 5 1 A14 3515307800 SUPPORTER HANDLE KOR 164H0A 2 A15 3512604300 HANDLE DOOR KOR 164H0A 1 1 Remove the gasket door A01 from door plate 3 Remove two screws A09 from door plate 4 Remove the door handle A15 and handle supporter A14 from door plate 5 Remove the four door decorators A10 ...

Страница 13: ...oor seal to oven front surface Tighten two screws 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push the door to contact the door seal to oven front surface Tighten two screws 3 To reduce gap located on part C Loosen a screw on interlock switch assembly located top of oven body Draw the interlock switch assembly inward as possible to engage with hook on the do...

Страница 14: ...OR 161H0A 1 1 B04 7112401211 SCREW TAPPING T2S TRS 4 12 MFZN 4 B05 1 Remove the screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 Remove four screws which secure the PCB assembly to control panel 3 Disconnect membrane tail from the connector of the PCB assembly 4 Detach membrane from the control panel 5 Pull out the decorator c panel from the ...

Страница 15: ...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 reassembly 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 microwave leakage It shall not exceed 4mW cm 2 for ...

Страница 16: ...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 6 Reverse the above steps for reassembly 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 15 ...

Страница 17: ...ushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment steps a 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 comple...

Страница 18: ...cted of the terminals and power cord before check the parts listed below CHECK RESULT CAUSE REMEDY Fuse blows Continuity No Continuity Continuity 0 i nfinite Ω or Approx 150 310 normal Replace NOTE 1 Replace NOTE 1 Replace Replace Check continuity of primary winding of low voltage transformer Malfunction of interlock monitor switch Defective low voltage transformer Check continuity of interlock mo...

Страница 19: ...switch Replace Check continuity of power supply cord Replace Replace NOTE All these switches must be replaced at the same time please refer to Interlock Mechanism And Adjustment CONDITION CHECK RESULT CAUSE REMEDY Turn table motor and oven lamp do not turn on No Continuity Check continuity of primary interlock switch Check continuity of secondary interlock switch Check D C voltage being supplied t...

Страница 20: ... Faulty contacts of RELAY RY1 or open relay coil REMEDY Replace Replace Replace Replace Replace Replace Replace Replace No microwave oscillation Check continuity of high voltage rectifier in forward and backward direction with DC megger Check continuity of high voltage capacitor terminals with wires removed Connect megger leads to magnetron terminal and magnetron body Check resistance of primary a...

Страница 21: ...lay obviously jumps in time while counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when clear pad is touched 11 Oven lamp and turntable motor do not stop although cooking is finished Check if the RELAY 2 contacts close if they are close replace touch control circuit CONDITION CHECK RESULT CAUSE REMEDY Display does not show programming a...

Страница 22: ...l 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...

Страница 23: ...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 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 CAUTION 1 Make sure to check the microwave ...

Страница 24: ... 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 otherwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction and s...

Страница 25: ...WIRING DIAGRAM 24 ...

Страница 26: ...1 PIN 2 21 30 34 5VDC 2 IC1 P IN 35 T 16 67 ms 60Hz 3 IC1 PIN 31 OR 32 T 250 ns 4MHz NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 DC 5V 0 25V Replace VL1 EC1 NO LOAD 2 MP2 DC 12V 2 0V Replace EC2 D12 13 14 NO LOAD NOTE 1 Refer to Circuit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 3 The allowable tolerance o...

Страница 27: ...PRINTED CIRCUIT BOARD MP1 MP2 Measure Point 26 ...

Страница 28: ...d 4 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram Point 1 Check method 5 When the digital clock does not operate properly refer to Circuit Diagram Point 5 If clock does not keep exact time you must check resistor R15 16 zener diodeZD1 POINT STATE A B RELAY 2 ON 5VDC GND RELAY 2 OFF GND 12VDC POINT STATE A B RELAY 1 ON 5VDC GND RELAY 1 OFF GND ...

Страница 29: ...PRINTED CIRCUIT BOARD 2 PCB CIRCUIT DIAGRAM 28 ...

Страница 30: ... 5 RD AZ221 J 7 16 RESISTOR R8 10 12 14 22 1 6W 1K 5 RD AZ102J 5 17 RESISTOR R11 20 21 1 6W 100K 5 RD AZ104J 3 18 RESISTOR R13 1 6W 200 5 RD AZ201J 1 19 RESISTOR R15 16 1 6W 10K 5 RD AZ 103J 2 21 RESISTOR R18 1 6W 1M 5 RD AZ105J 1 22 RESISTOR R19 1 4W 51 5 RD 4Z510J 1 24 REGULATOR VL1 MC7905C 1MC7905C 1 25 TRANSISTOR Q1 5 9 11 KRA 102M TZRA102M 8 26 TRANSISTOR Q6 KTA 1266Y TZTA1266Y 1 27 TRANS POW...

Страница 31: ...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 30 ...

Страница 32: ... MICRO VP 533A OF SPNO 187 200G 1 F15 4415A66910 SW MICRO VP 531A OF SZM V16 FA 6 1 F16 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F17 4415A66910 SW MICRO VP 531A OF SZM V16 FA 6 1 F18 3513702600 LEV ER LOCK POM 1 F19 3512714600 HARNESS MAIN KOR 161H0A 1 F20 3516003800 SPECIAL SCREW T2 FLANGE 5 8 MFZN 1 F21 3518002900 MAGNETRON 2M218J MF P 1 F22 3510311800 BASE SBHG T0 8 1 F23 3516003700 SPECI...

Страница 33: ... 4 8 FLG MFZN 2 F40 3516109800 CAVITY AS KOR 161H0A 1 F41 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 2 F42 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F43 4413A90012 CLAMP POW ER CORD NYLON 66 1 F44 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F45 35113T5NJ5 CORD POWER AS 3 1 5 80X80 120 RTML 1 REF NO PART CODE PART NAME DESCRIPTION Q TY EXPLODED VIEW AND PARTS LIST 32 ...

Страница 34: ...DAEWOOELECTRONICSCO LTD PRINTED DATE JAN 2002 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC S M NO ...

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