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Daewoo Electronics KOR-630A0A User's Manual

1. 24 PRINTED CIRCUIT BOARD Sos anand is bhi aT aR RR 26 1 CIRCUIT CHECK PROCEDURE a 26 2 PCB CIRCUIT DIAGRAVM 29 3 P G B LOCATION NE EE EE 30 EXPLODED VIEW AND PARTS LIST J l U l neruos uu 33 J DOOR ASSEMBLY Sm 33 2 CONTROL PANEL ASSEMBDLY u eret re tt ei eet u tities ee nee ee 33 TOTABASSEMB EN c 0S0 GS nSn v nn 33 SAFETY AND PRECAUTIONS This device is to be Serviced only by Properly Qualified Service Personel Consult the Service Manual for Proper Service Procedures to Assure Continued Safety Operation and for Precautions to be Taken to Avoid Possible Exposure to Excessive Microwave Energy BEES UE EE EE E EE 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 5 A broken door lock The doo
2. The oven door can be opened at any time during operation The oven will automatically shut off To restart the oven close the door and then touch START Each time a button is touched a BEEP will sound to acknowledge the touch The oven automatically cook on full power unless set to a lower power level The display will show 0 when the oven is plugged in Time clock returns to the present time when the cooking time ends o 0 When the CANCEL button is touched during the oven operatiion the oven stops cooking and all information retained To erase all information except the present time touch the CANCEL button once more If the oven door is opened during the oven operation all information is retained 11 lf the START button is touched and the oven does not operate check the area between the door and door is closed securely The oven will not start cooking under the door is completely closed or the program has been reset M 1 Make sure the oven is properly installed and plugged into the electrical j Wattage output chart The power level is set by pressing the POWER button The chart shows the display the power level and the percent age of power Touch POWER button Power level Display Approximate Percentage of Power Once P HI 100 Twice P 90 90 3 times P 80 80 4 times P
3. CONDITION CHECK RESULT CAUSE REMEDY Turntable Check continuity of primary inter No gt Malfunction of pri Adjust or motor and lock switch Continuity mary interlock replace oven lamp switch do not turn on Check continuity of secondary I No I Adjust or interlock switch Continuity Malfunction of sec replace ondary interlock switch Check D C voltage being sup ri ore d gt Defective touch plied to RELAY RY2 coil control circuit Approx gt Faulty contacts of gt PEAGE 12 VDC RELAY RY2 or 18 TROUBLE 3 microwave oscillation even though fan motor rotates CONDITION CHECK RESULT CAUSE REMEDY hu Continuity X we microwave Check continuity of high y Defective high Replace oscillation voltage capacitor terminals voltage trans with wires removed former Check continuity of high voltage gt Continuity in Defective high Replace rectifier in forward and backward backward voltage rectifier direction with DC megger direction Connect megger leads to mag gt Continuity gt Defective mag Replace L netron terminal and magnetron netron body Check resistance
4. 24 NMOMB 4d 2 KOR 630A1A KOR 860A1A 25 MOTHMNHA9 33 0 10 YOLON GWD MA 03501 00 MOLON MON Mi wa 8 d 1 0 BU 00 108 m 19 yg 7 HOLINS MOWANI 2 AWONO235 NOMHN9W _ U E N9 s E Hols gt m D WO e 3 3614 K 0 gd OUNO ASSY NO TIONIS 1 EET y 18906 HNOd m od 08 i H OWUN AMW Aw lid 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 Terminal Voltage LOAD NO LOAD 4 7 AC 25 8 V AC 28 4 V NOTE 1 Refer to Circuit Diagram point 4 I 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage 2 Voltage check Key check point NO CHECK POINT REMARK 1 IC 1 PIN 2 21 30 34 5 VDC 2 IC 1 PIN 35 T 16 7ms 60Hz 3 IC 1 PIN 31
5. 630A1A 860A1A 3 TOTAL ASSEMBLY KOR 20 9 G 37 1 KOR 630A1A NO PART CODE PART NAME DESCRIPTION QTV SUPPLY A00 3511710320 DOOR AS KOR 630A0S 1 Boo PKCPSWZFOO CONTROL PANEL AS KOR 630A0A 1 O FO1 3510801310 CABINET SECC 1 O F02 7S312X40A1 SPECIAL SCREW T1 TRS 4 10 SE MFZN 3 O F03 3516109600 CAVITY AS KOR 63150S 1 O F04 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F05 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 O F06 7121300611 SCREW TAPPING T2S PAN 3X6 MFZN 1 F07 3518902600 THERMOSTAT OFF 90 ON 60 H 187 1 F08 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 O F09 35113YCNS5 CORD POWER AS 3X0 75 40X40 120 RTML 1 O F10 4413A90012 CLAMP POWER CORD NYLON66 1 O F11 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 O F12 3518606100 NOISE FILTER DWLF M13 1 1 4414 25110 FUSE 250V 15A 65TS 1 14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F15 7121403011 SCREW TAPPING T2S PAN 4X30 MFZN 2 16 3963821600 MOTOR SHADED POLE 120V 21W OEM 10DWX1 A07 1 O F17 3521517000 GUIDE WIND PP 1 O F18 3511800300 FAN PP 30 GLASS 1 O F19 3518002200 MAGNETRON 2C218H F 1 O F20 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 O F21 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 22 3513
6. SCREW TAPPING T2S TRS 4X12 MFZN 1 B05 3513702710 LEVER DOOR OPEN ABS XR 401 H 2938 1 B06 441G430171 SPRING BUTTON SWP DIA0 7 1 B07 3516907300 BUTTON DOOROPEN ABS AF 345 HFA 700HT 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 4 5 6 7 Detach membrane from the control panel Remove door open button and button spring from the control panel Reverse the above steps for reassembly Remove four screws which secure the PCB assembly to control panel Disconnect membrane tail from the connector of the PCB assembly 13 6 To 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 reassembly 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 vent microwave leakage Whenever repair work is carried out on magnetron check the microwave leakage
7. 1 6W 330 5 RD AZ331J 7 16 RESISTOR R8 10 14 22 1 6W 1K 5 RD AZ102J 4 17 RESISTOR R9 23 1 6W 4 7K 5 RD AZ472J 2 18 RESISTOR R11 20 21 1 6W 100K 5 RD AZ104J 3 19 RESISTOR R12 1 6W 20K 5 RD AZ203J 1 20 RESISTOR R13 1 6W 200 5 RD AZ201J 1 21 RESISTOR R15 16 1 6W 10K 5 RD AZ103J 2 22 RESISTOR R17 1 6W 510 5 RD AZ511J 1 23 RESISTOR R18 1 6W 1M 5 RD AZ105J 1 24 RESISTOR R19 1 4W 51 596 RD 4Z510J 1 25 REGULATOR VL1 MC7905C 1MC7905C 1 26 TRANSISTOR Q1 lt 5 9 lt 11 KRA 102M TZRA102M 8 27 TRANSISTOR Q6 KTA 1266Y TZTA1266Y 1 28 TRANS POWER LVT1 DMR 631P 5EPUO35302 1 29 WIRE COPPER J1 3 5 8 10 12 17 21 1 0 52 TIN COATING 85801 052GY 15 30 WIRE COPPER SJ3 1 0 52 TIN COATING 85801052GY 1 31 IC MICOM IC1 TMP47C440B NG17 13GS862GH0 1 32 RESONATOR CERA CR1 KBR 4 0MSTF 5PKBR40MKS 1 33 SW RELAY RY1 G5G 1A DC12V 5SC0101121 1 34 SW RELAY RY2 OJ SS 112LM 5SC0101404 1 35 CAPACITOR CERA C6 102 50V Z AXIAL CCZB1H102K 1 36 CAPACITOR CERA C1 5 C7 104 50V Z AXIAL CCZF1H104Z 6 30 2 KOR 630A9A NO NAME SYMBOL SPECIFICATION PARTCODE Q TY 1 BUZZER BZ1 BM 20K 3515600100 1 2 C ARRAY CA1 7P 6 102 M 50V CN6XB 102M 1 3 CAPACITOR ELEC EC1 50V RS IMF CEXE1H109A 1 4 CAPACITOR ELEC EC2 25V RSS 1000uF DEZF1E102V 1 5 CONNECTOR WAFER CN1 VW396 02V 3519150520 1 6 CONNECTOR FILM CN2 FCZ254 11 441M367160 1 7 CONNECTOR WAFER CN3 VW396 05V 351
8. 5SC0101404 1 34 CAPACITOR CERA C6 102 50V Z AXIAL CCZB1H102K 1 35 CAPACITOR CERA C1 5 C7 104 50V Z AXIAL CCZF1H104Z 6 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 KOR 630A0A 860A0A 630A9A F08 s 33 1 KOR 630A0A NO PART CODE PART NAME DESCRIPTION Q TY A00 3511710320 DOOR AS KOR 63050S 1 Boo PKCPSWZF00 CONTROL PANEL AS KOR 630AOA 1 FO1 3510801310 CABINET SECC 1 FO2 3516004100 SPECIAL SCREW T1 TRS LR4 POLE 4 10 MFZN 3 203 3516109600 CAVITY AS KOR 6315OS 1 F04 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 205 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 206 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F07 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 208 35113 CORD POWER AS 3X18AWG 60X60 120 RTML 1 F09 4413A90012 CLAMP POWER CORD NYLON66 1 F10 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F11 7121403011 SCREW TAPPING T2S PAN 4X30 MFZN 2 F12 3963821600 MOTOR SHADED POLE 120 21W OEM 10DWX1 A07 1 F13 3512517000 GUIDE WIND PP 1 F14 3511800300 FAN PP 30 GLASS 1 F15 3518002200 MAGNETRON 2M218H 1 F16 3516004000 SPECIAL SCREW
9. It shall not exceed 4mW cm2 for a fully assembled oven with door normally closed Metallic Magnetron antenna Wave guide Magnetron ontenno gasket plate X Cooling fin ma Filament terminal lt gt Metallic gasket plate 14 8 To remove wind guide assembly Remove two screws which secure the motor shaded pole Remove a screw which secure the wind guide assembly Remove the motor shaded pole Draw forward the wind guide assembly Pull the fan from the motor shaft Reverse the above steps for reassembly 1 Remove four screws holding the H V transformer 2 Remove the H V transformer 3 Reverse the above steps for reassembly 1 2 3 4 5 6 9 To remove H V transformer 15 INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation and thus to perfectly prevent the danger resulting from the leakage of microwave interlock switch Button Interlock monitor switch Secondarv interlock switch Lock lever Mounting screw Condition DOOR CLOSE Condition DOOR OPEN 1 Primarv interlock switch When the door is closed the hook locks the oven door If the door is
10. MICRO VP 533A OF SPNO 187 200G 1 F33 3513702600 LEVER LOCK POM 1 F35 3513811700 LOCK POM 1 F36 3513601500 LAMP BL 125V 25W T25 C5A H187 1 F37 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F38 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 F39 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB 1 F40 3513003400 HOLDER THERMOSTAT PBT 1 F41 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 1 F42 3511406200 COVER WAVE GUIDE HEATPROOF PP 1 F43 4418D10032 COUPLER ZAREC 1 F44 3514700900 ROLLER TEFLON 3 F45 3512509200 GUIDE ROLLER PP 1 F46 3517203500 TRAY GLASS 1 35 1 KOR 630A9A NO PART CODE PART NAME DESCRIPTION Q TY A00 3511714410 DOOR AS KOR 630A9A 1 B00 PKCPSWZF10 CONTROL PANEL AS KOR 630A9A 1 FO1 3510801310 CABINET SECC 1 FO2 3516004100 SPECIAL SCREW T1 TRS LR4 POLE 4710 MFZN 3 F03 3516109550 CAVITY AS KOR 631H9A 1 F04 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 205 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 FO6 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F07 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 FO8 35113NCN35 CORD POWER AS 3X18AWG 40X40 120 RTML 1 F09 4413 590012 CLAMP POWER CORD NYLON66 1 F10 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F11 7121403011 SCREW TAPPING T2S PAN 4X30 MFZN 1 F12 3963821620 MOTOR SHADED POLE 120V 60HZ MW08 1 F13 3512517000 GUIDE WIND PP 1 F14 351180030
11. OR 32 T 250ns 4MHz Check method NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 DC 5V 0 25V Replace VL1 EC1 NO LOAD 2 MP2 DC 12 2 0 Replace EC2 D12 13 14 NO LOAD Each measure point must be measured with GND points L S S ES MD D EM CM MO ER ES MO CO RS ww 26 3 When there is no microwave oscillation 1 When touching START pad oven lamp does not turn on Fan motor do not rotate but cook indicator in display comes on Cause RELAY 2 does not operate refer to Circuit Diagram Point 3 Check method POINT STATE A B RELAY 2 ON 5VDC GND RELAY 2 OFF GND 12VDC 2 When touching START pad oven lamp turns on Fan motor and turntable rotate and cook indicator in display comes on Cause RELAY 1 does not operate refer to Circuit Diagram Point 2 Check method POINT STATE A B RELAY 1 ON 5VDC GND RELAY 1 OFF GND 12VDC 4 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram Point 1 Check method POINT STATE A B 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO METHOD REMEDY 1 Check the stage ON OFF of the door open monitor switch by Replace door open monitor resistance measurement switch 5 Whe
12. a screws on stopper hinge top and then push the door to contact the door 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 eG ER TE NOTE A small gap may be acceptable if the microwave leakage does not exceed 4mW cm2 L I 12 5 To remove control panel parts 1 KOR 630A REF NO PART CODE PART NAME DESCRIPTION REMARK B01 3518221400 SWITCH MEMBRANE KOR 630A0A 1 me 3516719510 CONTROL PANEL ABS AF 345 HFA 700HT 1 KOR 630A0A1A 3516719540 CONTROL PANEL ABS AF 348 VT 0826 1 KOR 630A9A LPKMPMSZD00 PCB MAIN AS KOR 631A0A 1 KOR 630A0A1A PKMPMSz400 MAIN AS KOR 631H9A 1 KOR 630A9A BO4 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 B05 3513702710 LEVERDOOROPEN ABS XR 401 H 2938 1 B06 441G430171 SPRING BUTTON SWP DIA0 7 1 B07 3516907300 BUTTONDOOROPEN ABS AF 345 HFA 700HT 1 2 KOR 860A REF NO PART CODE PART NAME DESCRIPTION REMARK B01 3518521310 SWITCH MEMBRANE KOR 860A0A 1 B02 3516720410 CONTROL PANEL ABS AF 345 HFA 700HT 1 B03 PKMPMSNF00 PCB MAIN AS KOR 860A0A 1 B04 7122401211
13. 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 primary interlock switch bring it under ON 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 ca ILU TI EIC TIE cV l ADJUSTMENT Interlock monitor switch When the door is closed the interlock monitor switch should be opened before other switches are closed I I When the door is opened the interlock monitor switch should be closed after other switches are opened l SSS ee ES EE 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 completely two mounting screws coru ISl Microwave emission test should be performed after adjusting interlock mechanism If the microwave smission exceed I 4mW cme readjust interlock mechanism KAZ Al 16 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 c
14. 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 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 approxi mately 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 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 formula P 4187 X AT is difference between initial and ending temperature e It is the heating time The power measured should be B R
15. transformer terminals and check continuity 2 Normal readings should be as follows Secondary winding Approx 1100 10 Filament winding Approx 00 Primary winding 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 10MO 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 KQ 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 magn
16. 0 FAN PP 30 GLASS 1 F15 3518002200 MAGNETRON 2M218H F 1 F16 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F17 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F18 3513003200 HOLDER HV CAPACITOR SECC 1 F19 3518301501 CAPACITOR HV 2100VAC 0 77uF 187 1 F20 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F21 3518114440 TRANS HV JMOT N70A0 63T 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510311700 BASE SBHG 1 F24 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 5 F25 3512100900 FOOT PP DASF 130 2 F26 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F27 3515201101 STOPPER HINGE U SCP 1 1 F28 I FUSE 120 250V 15A 1 F29 I HOLDER FUSE NYLON66 1 F30 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F31 4415A66600 SW MICRO VP 532A OF SZM V16 FA 62 1 F32 3518571000 SWITCH PUSH MP101C 1 F33 3513702600 LEVER LOCK POM 1 F35 3513811720 LOCK LG N109 LDK 1 F36 3513601500 LAMP BL 125V 25W T25 C5A H187 1 F37 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F38 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 F39 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB 1 F40 3513003400 HOLDER THERMOSTAT PBT 1 F41 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 1 F42 3511406200 COVER WAVE GUIDE HEATPROOF PP 1 F43 3517400620 COUPLER XAREC 1 F44 3514700710 ROLLER TEFLON 3 F45 3512517300 GUIDE ROLLER PP 5113MF6 A353B 1 F46 3517203600 TRAY GLASS 1 36 Refer to Disassembly and assembly 1 DOOR ASSEMBLY 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly
17. 003200 HOLDER HV CAPACITOR SECC 1 F23 3518301600 CAPACITOR HV 2100VAC 0 79uF 187 1 24 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 25 3518114400 TRANS HV JMOT N80A0 63T 1 O F26 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 O F27 3510311700 BASE SBHG 1 O F28 7112401011 SCREW TAPPING T2 TRS 4 10 MFZN 5 29 3512100900 PP DASF 130 2 7272400811 SCREW SPECIAL TT3 TRS 4X48 MFZN 1 1 3515201101 STOPPER HINGE U SCP 1 1 2 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 F33 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 O F34 4415A66600 SW MICRO VP 532A OF SZM V16 FA 62 1 O F35 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 O F36 3513702600 LEVER LOCK POM 1 7 3513811700 LOCK POM 1 F38 3513601500 LAMP BL 125V 25W T25 C6A H187 1 9 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 O F40 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 O F41 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 O F42 3511406200 COVER WAVE GUIDE HEATPRO OF PP 1 F43 3517400620 COUPLER XAREC 1 O 3512517500 GUIDE ROLLER AS KOR 63150S 1 F44 3514700710 ROLLER TEFLON 3 X F45 3512517300 GUIDE ROLLER PP 5113MF6 A353B 1 X F46 3517203600 TRAY GLASS 1 O 38 2 KOR 860A1A NO PART CODE PART NAME DESCRIPTION QTY SUPPLY A00 3511710320 DOOR AS KOR 86050S 1 O
18. 70 70 5 times P 60 60 6 times P 50 50 7 times P 40 40 8 times P 30 30 9 times P 20 20 10 times P 10 10 11 times P 00 0 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 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 outlet 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
19. 9150510 1 8 DIODE RECTIFY D1 lt 6 9 12 1N4148 DZN4148 10 9 DIODE RECTIFY D13 14 1N4004A DZN4004A 2 10 DIODE ZENER ZD1 UZ 5 1BSB DZUZ5R1BSB 1 11 DIODE ZENER ZD2 UZ 3 9BSB DZUZ3R9BSB 1 12 LED DISPLAV DP1 DDG 631H DDDG631H01 1 13 PCB MAIN M158 81 5X139 9 3514315410 1 14 R ARRAY RA1 7P 6 1 8 100K J RA 87X104J 1 15 RESISTOR R1 R7 1 6W 330 5 RD AZ331J 7 16 RESISTOR R8 9 10 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 200K 5 RD AZ201J 1 19 RESISTOR R15 16 1 6W 10K 5 RD AZ103J 2 20 RESISTOR R17 1 6W 510 5 RD AZ511J 1 21 RESISTOR R18 1 6W 1M 5 RD AZ105J 1 22 RESISTOR R19 1 4W 51 5 RD AZ510J 1 23 RESISTOR R23 1 6W 4 7K 5 RD AZ472J 1 24 REGULATOR VL1 MC7905C 1MC7905C 1 25 TRANSISTOR Q1 lt 5 9711 KRA 102M TZRA102M 8 26 TRANSISTOR Q6 KTA 1266Y TZTA1266Y 1 27 TRANS POWER LVT1 DMR 631P 5EPU035302 1 28 WIRE COPPER J1 3 5 8 10 12 17 21 1 0 52 TIN COATING 85801 052GY 15 29 WIRE COPPER SJ3 1 0 52 TIN COATING 85801052GY 1 30 IC MICOM IC1 TMP47C440B NG17 13GS862GH0 1 31 RESONATOR CERA CR1 KBR 4 0MSTF 5PKBRAOMKS 1 32 SW RELAY RVI G5G 1A DC12V 5SC0101121 1 33 SW RELAY RY2 OJ SS 112LM 5SC0101404 1 34 CAPACITOR CERA C6 102 50V Z AXIAL CCZB1H102K 1 35 CAPACITOR CERA C1 5 C7 104 50V Z AXIAL CCZF1H104Z 6 31 2 KOR 860A0A 1A NO NAME SYMBOL SPECIFICATION P
20. ARTCODE Q TY 1 BUZZER BZ1 BM 20K 3515600100 1 2 C ARRAY CA1 7P 6 102 M 50V CN6XB 102M 1 3 CAPACITOR ELEC EC1 50V RS IMF CEXE1H109A 1 4 CAPACITOR ELEC EC2 25V RSS 1000uF DEZF1E102V 1 5 CONNECTOR WAFER CN1 YW396 02V 3519150520 1 6 CONNECTOR FILM CN2 FCZ254 11 441M367160 1 7 CONNECTOR WAFER CN3 VW396 05V 3519150510 1 8 DIODE RECTIFY 01 6 9 12 1N4148 DZN4148 10 9 DIODE RECTIFY D13 14 1N4004A DZN4004A 2 10 DIODE ZENER ZD1 UZ 5 1BSB DZUZ5R1BSB 1 11 DIODE ZENER ZD2 UZ 3 9BSB DZUZ3R9BSB 1 12 LED DISPLAY DP1 DDG 631H DDDG631H01 1 13 PCB MAIN M158 81 5X139 9 3514315410 1 14 R ARRAY RA1 7P 6 1 8 100K J RA 87X104J 1 15 RESISTOR R1 R7 1 6W 330 5 RD AZ331J 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 200K 5 RD AZ201J 1 19 RESISTOR R15 16 1 6W 10K 5 RD AZ103J 2 20 RESISTOR R17 1 6W 510 5 RD AZ511J 1 21 RESISTOR R18 1 6W 1M 5 RD AZ105J 1 22 RESISTOR R19 1 4W 51 5 RD AZ510J 1 23 RESISTOR R23 1 6W 4 7K 5 RD AZ472J 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 POWER LVT1 DMR 631P 5EPU035302 1 28 WIRE COPPER J1 3 5 8 10 12 17 21 1 0 52 TIN COATING 85801052GY 15 29 WIRE COPPER SJ1 SJ3 1 0 52 TIN COATING 85801052GV 1 30 IC MICOM IC1 TMP47C440B NG17 13GS862GH0 1 31 RESONATOR CERA CR1 KBR 4 0MSTF 5PKBR40MKS 1 32 SW RELAY RY1 G5G 1A DC12V 5SC0101121 1 33 SW RELAY RY2 OJ SS 112LM
21. B00 PKCPSWZF00 CONTROL PANEL AS KOR 630A0A 1 FO1 3510801430 CABINET SECC 1 F02 7S312X40A1 SPECIAL SCREW T1 TRS 4 10 SE MFZN 3 F03 3516109700 CAVITY AS KOR 86150S 1 F04 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 O F05 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 O F06 7121300611 SCREW TAPPING T2S PAN 3X6 MFZN 1 O F07 3518902600 THERMOSTAT OFF 90 ON 60 H 187 1 O F08 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F09 35113YCNS5 CORD POWER AS 3X0 75 40X40 120 RTML 1 O F10 4413A90012 CLAMP POWER CORD NYLON66 1 O F11 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 O F12 3518606100 NOISE FILTER DWLF M13 1 1 4414 25110 FUSE 250V 15A 65TS 1 O F14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 O F15 7121403011 SCREW TAPPING T2S PAN 4X30 MFZN 2 O F16 3963821600 MOTOR SHADED POLE 120V 21W OEM 10DWX1 A07 1 O F17 3521517000 GUIDE WIND PP 1 O F18 3511800300 FAN PP 30 GLASS 1 O F19 3518002200 MAGNETRON 2C218H F 1 O F20 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 O F21 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 O F22 3513003200 HOLDER HV CAPACITOR SECC 1 O F23 3518301800 CAPACITOR HV 2100VAC 0 82uF 187 1 O F24 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 O F25 3518114700 TRANS HV JMOT N90A0 86T 1 O F26 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 O F27 3510311900 BASE SBHG 1 O F28 7112401011 SCREW TAPPING T2 TRS 4 10 MFZN 5 O F29 3512100900 FOOT PP DASF 130 2 O F30 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 1 3515201101 S
22. E DEVICE WITHOUT A MICROWAVE ENERGY ABSORBING LOAD ATTACHED NEVER LOOK INTO AN OPEN SAVEGUIDE OR ANTENNA WHILE THE DEVICE IS ENERGIZED DEESSET SPECIFICATIONS MODEL KOR 630A0A KOR 630A1A KOR 860A0A KOR 860A1A POWER SUPPLY 120V 60Hz SINGLE PHASE WITH GROUNDING MICROWAVE 1200W 1350W POWER GRILL CONSUMPTION COMBINATION MICROWAVE ENERGY OUTPUT 800W 900W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 465 x 279 x 360 mm 18 3 x 11 0 x 14 2 in 495 x 294 x 388 mm 19 5 x 11 6 x 15 3 in CAVITY DIMENSIONS W X H X D 290 x 211 x 306 mm 11 4 x 8 3 x 12 0 in 320 x 228 x 388 mm 12 6 x 9 0 x 13 3 in NET WEIGHT Approx 12 kg 26 5 Ibs Approx 14 kg 30 9 Ibs TIMER 59 min 99 sec FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 10 LEVELS CAVITY VOLUME 0 7 Cu Ft 0 9 Cu Ft MODEL KOR 630A9A POWER SUPPLY 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 360 mm 18 3 x 11 0 x 14 2 in CAVITY DIMENSIONS W XH X D 290 x 211 x 306 mm 11 4 x 8 3 x 12 0 in NET WEIGHT Approx 12 kg 26 5 105 TIMER 59 min 99 sec FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 10 LEVELS CAVITY VOLUME 0 7 Cu Ft SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT N
23. KOR 630A9A A02 3517003050 BARRIER SCREEN O ACRYL 1 A03 3515304610 SUPPORTER BARR S 0 PP 1 A04 8515204100 STOPPERSINGE TAS KOR 63150S 1 A05 3511705500 DOOR WELD AS KOR 61150S 1 A06 3517002800 BARRIER SCREEN l POLYESTER 1 1 A07 3512300200 GASKET DOOR PP 1 m 3513100700 HOOK POM 1 KOR630AOMIA 3513100740 HOOK LG N109 LDK 1 KOR 630A9A A09 8515101300 SPRING HOOK PW1 1 2 KOR 860A REFNO PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3512204110 FRAME DOOR ABS XR 401 H 2938 1 A02 3517003150 BARRIER SCREEN O ACRYL 1 A03 3515304410 SUPPORTER BARR S 0 1 A04 3515204100 STOPPER SINGE TAS KOR 63150S 1 A05 8511705620 DOOR WELD AS KOR 61150S 1 A06 3517002900 BARRIER SCREEN l POLYESTER 1 1 A07 3512300400 GASKET DOOR PP 1 A08 3513100700 HOOK POM 1 A09 8515101300 SPRING HOOK PWI 1 1 2 3 4 Remove the gasket door from door weld as Remove the barrier screen inner from door weld as Remove the door frame from door weld as Remove the stopper hinge top from door weld as Remove the spring and the hook Remove the supporter barrier screen outer from door frame Remove the barrier screen outer from door frame Reverse the above steps for reassembly 5 6 7 8 ZS SSS 4 Method to reduce the gap between the door seal and the oven front surface 1 To reduce gap located on part A Loosen
24. OP CLEAR SPEEDY COOK Mi oe s o m N Time set pad Used to set the cooking time and the present time Display Cooking time power level indicators and present time are displayed One touch Used to cook or reheat specific quantities of food Auto cook Used to cook or reheat More Used to add time to cooking Less Used to remove time from cooking Auto Defrost Used to defrost foods for weight Power Used to set power level Defrost Used to defrost foods for time Kitchen Timer Used as minute timer delay cooking hold setting after cooking Clock Used to set clock Stop Clear Used to stop the oven operation or to delete the cooking data Start Speedy cook Used to start the oven and also used to set a reheat time 6 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 p
25. OTICE EXTERNAL VIEW 1 OUTER DIMENSION 465 495 360 388 AE 2 FEATURE DIAGRAM 10 11 DOOR SEAL Door seal maintains the microwave within the oven cavity and prevents microwave leakage 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 DOOR SCREEN Allows viewing of food Microwave cannot pass through perforations in screen COVER WAVE GUIDE Protects the microwave outlet from splashes of cooking foods OVEN LAMP Automatically turns on during oven operating SAFETY INTERLOCK SYSTEM CONTROL PANEL 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 OVEN FRONT PLATE DOOR OPENING BUTTON To open the door push the door opening button When door is closed it will automatically lock shut If door is opened while oven is operating magnetron tube will immediately stop operating ROLLER GUIDE Supports the glass cooling tray 3 CONTROL PANEL 1 Bread 2 Soup 4 3 Baked Potato AUTO 4Fresh Vegetable COOK 5 Frozen Vegetable POPCORN T CLOCK START ST
26. S M No R630A0A9A1 Service Manual Microwave Oven Model KOR 630A1A KOR 630A0A KOR 860A1A KOR 860AOA KOR 630A9A DAEWOO ELECTRONICS LID PRECAUTIONS TO 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 repa
27. T2 BOLT FLANGE 5X12 DACRO 1 F17 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F18 3513003200 HOLDER HV CAPACITOR SECC 1 F19 3518301600 CAPACITOR HV 2100VAC 0 79uF 187 1 F20 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F21 3518114400 TRANS HV JMOT N80A0 63T 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510311700 BASE SBHG 1 F24 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 5 F25 3512100900 FOOT PP DASF 130 2 F26 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F27 3515201101 STOPPER HINGE U SCP 1 1 F28 I FUSE 120 250V 15A 1 F29 I HOLDER FUSE NYLON66 1 F30 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F31 4415A66600 SW MICRO VP 532A OF SZM V16 FA 62 1 F32 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F33 3513702600 LEVER LOCK POM 1 F35 3513811700 LOCK POM 1 F36 3513601500 LAMP BL 125V 25W T25 C5A H187 1 F37 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F38 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 F39 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB 1 F40 3513003400 HOLDER THERMOSTAT PBT 1 F41 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 1 F42 3511406200 COVER WAVE GUIDE HEATPROOF PP 1 F43 3517400620 COUPLER XAREC 1 F44 3514700710 ROLLER TEFLON 3 F45 3512517300 GUIDE ROLLER PP 5113MF6 A353B 1 F46 3517203600 TRAY GLASS 1 34 2 KOR 860A0A NO PART CODE PART NAME DESCRIPTION Q
28. TOPPER HINGE U SCP 1 1 O F32 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 O F33 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 4 4415 66600 SW MICRO VP 532A OF SZM V 16 FA 62 1 F35 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 O F36 3513702600 LEVER LOCK POM 1 O F37 3513811700 LOCK POM 1 O F38 3513601500 LAMP BL 125V 25W T25 C5A H187 1 O F39 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 O F40 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 O F41 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 O F42 3511406200 COVER WAVE GUIDE HEATPRO OF PP 1 O F43 3517400620 COUPLER ZAREG 1 O 3512510600 GUIDE ROLLER AS KOR 61150S 1 O F44 3514700900 ROLLER TEFLON 3 X F45 3512509200 GUIDE ROLLER PP 1 X F46 3517203500 TRAY GLASS 1 O 39
29. TY A00 3511710320 DOOR AS KOR 86050S 1 Boo PKCPSWNF00 CONTROL PANEL AS KOR 860AOA 1 F01 3510801400 CABINET SECC 1 F02 3516004100 SPECIAL SCREW T1 TRS LR4 POLE 4 10 MFZN 3 FO3 3516109700 CAVITV AS KOR 86150S 1 F04 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 205 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 06 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F07 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 FO8 35113TANT5 CORD POWER AS 3X16AWG 60X60 120 RTML 1 209 4413490012 CLAMP POWER CORD NYLON66 1 F10 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 F11 7121403011 SCREW TAPPING T2S PAN 4X30 MFZN 2 F12 3963821600 MOTOR SHADED POLE 120 21W OEM 10DWX1 A07 1 F13 3512517000 GUIDE WIND PP 1 F14 3511800300 FAN PP 30 GLASS 1 F15 3518002200 MAGNETRON 2M218H 1 F16 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F17 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F18 3513003200 HOLDER HV CAPACITOR SECC 1 F19 3518301800 CAPACITOR HV 2100VAC 0 82uF 187 1 20 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 21 3518114700 TRANS HV JMOT N90A0 86T 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510311900 BASE SBHG 1 F24 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 5 F25 3512100900 FOOT PP DASF 130 2 F26 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F27 3515201101 STOPPER HINGE U SCP 1 1 F28 E FUSE 120 250V 15A 1 F29 HOLDER FUSE NYLON66 1 F30 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F31 4415A66600 SW MICRO VP 532A OF SZM V16 FA 62 1 F32 4415A17352 SW
30. efer to SPECIFICATIONS W 10 0 MEUSE CILE E D D EIC EC E ML ISO I CAUTION 1 Water load should be measured exactly to 1 liters 2 Input power voltage should be exactly specified voltage Refer to SPECIFICATIONS 3 Ambient temperature should be 20 2 C 68 3 6 F l z r 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 21 2 MICROWAVE RADIATION TEST crc EI E xccl CAUTION 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 858 58 al PROCEDURES Prepare Microwave Energy Survey Meter 600cc glass beaker and glass thermometer 100 C 212 F Pour 275cc 15cc 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 do
31. etron 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 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 23 WIRING DIAGRAM 1 KOR 630A0A KOR 860A0A KOR 630A9A MMOMH NB MOTAN 39 N35 10 X09 NOLON HN NO MO WN 035079 000 EEMOTAJNVA 15 wa 78 3U AUN 70 PNO W0 GY 09 310N y I UN m o n ZN ON A HOLNS YOOTHIN 25 NOMLINOVA NO j QNTN L 4 HOLINS ID 9 09 ix E IM ki D iun ANa PVHd TONS 3 6 uz i 170805 DA 1 1 ill ili d IL nu 1 ASSY 8Md 1000 r 3 LR E X 8 su Qu y AN sont il 7 b 08 P b b MNONWM uqa dH 310A MOWANI AWAY
32. 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 E e RC II LIN NIE I Lx rcc CAUTION Service personnel should remove their watches whenever working close to or replacing the magnetron EM E EC EE EE E TE 1 WARNING When servicing the appliance need a care of touching or replacing high potential parts because of I electrical shock or exposing microwave These parts are as follows HV Transformer Magnetron Capacitor HV Diode HV fuse l UES 1 To remove cabinet 1 Remove three screws on cabinet back 2 Push the cabinet 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 L L 10 3 To remove door parts 1 KOR 630A REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 3512203810 FRAME DOOR ABS XR 401 H 2938 1 KOR G30A0A 1A 3512203890 FRAME DOOR ABS SG 175V SG 076D 1
33. ircuit 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 damage to your meter m a mmm mmm mmm mmm mmm 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 cord before check the parts listed below I TROUBLE 1 Oven does not operate at all any inputs can not be accepted CONDITION CHECK RESULT CAUSE REMEDY Fuse blows e Replace Malfunction of Check continuity of interlock Continuity monitor switch with door closed Tiere DI NOTES tor switch No Continuity Replace fuse Check continuity of of primary Shorted cane interlock switch contact with Continuity gt __ Replace partially open until interlock moni a i dada NOTE 1 tor switch contact close Check continuity of primary 7 gt 00 or infinite Detective low gt Replace ae of low voltage trans Approx trans ormer 150 310 ormer normal Disconnect one side of
34. ired 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 T1 FORCSAFE OPERATION iie er Ee HY HE Ea Pe be ERE Rb pr RET E HER RUPES 2 2 FOR SAFE SERVICE PROCEDURES ten ette tne habere Dua ce Pent e Peu due deae ce en Pa Pe nad 2 SPECIFICATIONS ice e M zona 3 EXTERNALVIEVWEE es 4 15 OUTER DIMENSION ii p p A a pa p dened 4 2 DIAGRAM Km 5 3 CONTROLJPANEL ette tet tme ee ee ete ea e ed ot eae aN 6 INSTALLATION Es 7 OPERATIONS AND FUNGTIONS u lu LU u dR 8 DISASSEMBLY AND ASSEMBLY i a A dg EHE sar A A dE ERA PUn EO RU NE Ed ve 9 INTERLOCK MECHANISM AND ADJUSTMENT U U 16 TROUBLE SHOOTING GUIDE u l U U U uQ 17 MEASUREMENT AND TEST XXE 21 1 MEASUREMENT OF THE MICROWAVE POWER OUTPUT nennen 21 2 MICROWAVE RADIATION TEST 22 3 COMPONENT TEST Lu EE asc Pea 23 WIRING DIAGRAM
35. lay shows 8 Display 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 cancel button 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 o gt L y gt Display does Check rach pad for Malfunction Replace con not show continuity of the membrane of touch trol box sub programming keyboard for the following key control circuit assembly at all even if board check procedure of control box keyboard is sub assembly touched Abnormal Malfunction Replace the of the membrane membrane keyboard keyboard gx dcus NOTE Before following the particular steps listed above in the trouble shooting guide for the membrane kevboard s I failure please check for the continuity of each wire harness between the membrane keyboard and P C B l assembly d 20 MEASUREMENT AND TEST 1 MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring the
36. n the digital clock does not operate properly refer to Circuit Diagram Point 5 POINT WAVE FORM A T 16 7ms 60Hz f clock does not keep exact time you must check resistor R15 16 zener diode ZD1 28 2 PCB CIRCUIT DIAGRAM 5 7 INMY f ma im BLE i wu om mol N cT lat 918 gui a WE 4 g B EE k Fi m 1 x I I Y a FE ie 1 od DUAE D rmm rr m 0 R 29 3 P C B LOCATION NO 1 KOR 630A0A 1A NO NAME SYMBOL SPECIFICATION PARTCODE Q TY 1 BUZZER BZ1 BM 20K 3515600100 1 2 C ARRAY CA1 7P 6 102 M 50V CN6XB 102M 1 3 CAPACITOR ELEC EC1 25V RS IMF CEXE1H109A 1 4 CAPACITOR ELEC EC2 25V RSS 1000uF DEZF1E102V 1 5 CONNECTOR WAFER CN1 VW396 02V 3519150520 1 6 CONNECTOR FILM CN2 FCZ254 11 441M367160 1 7 CONNECTOR WAFER CN3 VW396 05V 3519150510 1 8 DIODE RECTIFY D1 lt 6 9 12 1N4148 DZN4148 10 9 DIODE RECTIFY D12 14 1N4004A DZN4004A 2 10 DIODE ZENER ZD1 UZ 5 1BSB DZUZ5R1BSB 1 11 DIODE ZENER ZD2 UZ 3 9BSB DZUZ3R9BSB 1 12 LED DISPLAY DP1 DDG 631H DDDG631H01 1 13 PCB MAIN M158 81 5X139 9 3514315410 1 14 R ARRAY RA1 7P 6 1 8 100K J RA 87X104J 1 15 RESISTOR R1 R7
37. of primary and 000 gt Defective high Replace secondary coil of high voltage voltage trans transformer former m No Check continuity of magnetron Continuity Defective mag with wires removed netron No i Repl Check continuitv of filament termi Continuit pelea High VPE y voltage trans nal of high voltage transformer i ormer 0V gt Repl Check D C voltage being sup Defective touch TAR plied to RELAY RY1 coil control circuit gt Approx Faulty Replace 12 VDC contacts or RELAY RY1 or open relay coil 19 TROUBLE 4 The following visual conditions indicate a probable defective touch control circuit or membrane switch assembly 1 Incomplete segments 1 Segments missing 2 Partical segments missing 3 Digit flickering other than normal display slight flickering 4 0 does not display when power is on 2 A distinct change in the display are not on when they numbers is the display 00 Ld 3 One or more digits in the display are not on when they should be M W DEF TIMER LOCK bb 4 Display indicates a number different from one touched 5 Specific numbers for example 2 or 3 will not display when the knob is turned 6 Display does not count down or up with time cooking or clock operation 7 Oven is programable and cooks normally but no disp
38. or 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 normally closed must be less than 4mW cm2 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 l 5 perpendicular to the areas making sure the probe end at the base of the cone does not closer than 2 in from any metal If it does not erroneous reading may result 22 3 COMPONENT TEST PROCEDURE High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle e 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
39. osition 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 extension 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 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 turns off
40. r 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 2 FOR SAFE SERVICE PROCEDURES 1 If the oven is operative prior to servicing a microwave emission 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 TIE We LP LM ET XE il 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 TH
41. the lead id gt Defective high coe wire connected form high volt voltage capacitor age transformer to the high volt age capacitor and operate the unit Fuse again gt Defective high blows voltage trans former 17 CONDITION CHECK RESULT CAUSE REMEDY Replace Outlethas No Defective mag proper volt Check continuity of magnetron 9 Continuity nSiron age Fuse does not blow Check continuity of No Openpowersup PL power supply cord Continuity ply cord Normal Defective touch gt Replace control circuit E Display do not shown Malfunction of sec gt countdown ondary interlock switch EEE EEE ER GE ES ECE EA i TT EE TT A EDI CLIE EE aswaa NOTE All these switches must be replaced at the same time please refer to Interlock Mechanism And Adjustment LU x TROUBLE 2 Display shows all figures selected but oven does not start cooking even though desired program and time are set and start button is tapped open relay coil

Daewoo Electronics KOR-630A0A User's Manual

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