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DAEWOO ELECTRONICS CO., LTD.

1. PART CODE PART NAME DESCRIPTION SUPPLY REMARK A00 Refer to 6 DOOR AS 0 500 Disassembly and CONTROL PANEL AS Refer to 6 Disassembly and 0 COO assembly INSULATOR HEATER AS assembly F01 3510801310 CABINET SECC O F02 7112401011 SPECIAL SCREW T1 TRS 4X10 MFZN O 03 3516109910 5 KOG 37150S O F04 7392500008 NUT HEX 6N 2 5 O 05 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN O F06 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 O 07 7121300611 SCREW TAPPING T2S PAN 3X6 MFZN O F08 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN O 09 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN O F10 35113A5QJ5 CORD POWER AS 3X1 5 80X70 120 RTML O F12 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN O F13 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN O F14 7S627W50X1 NUT HEX NUT FL M5X0 8P MFZN 0 15 44 0 FUSE 250V 15A 65TS O 4414A25100 FUSE 250V 15A MDA F16 3518606100 NOISE FILTER DWLF M13 0 F17 7121402511 SCREW TAPPING T2S PAN 4X25 MFZN O F18 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 O 3963512310 MOTOR SHADED POLE 230V 20W MW10CA M02 F19 3512517000 GUIDE WIND PP O F20 3511800300 FAN PP 30 GLASS 0 21 7121300611 SCREW TAPPING T2S PAN 3X6 MFZN O F22 3518903400 THERMOSTAT OFF 150 ON 60 187 0 23 3518002200 MAGNETRON 2M218H MF O F24 3516004000 SPECIAL SCREW 2
2. NAME SYMBOL SPECIFICATION PART CODE Q TY REMARK 1 M160 82X139 9 3514321100 1 2 BUZZER BZ1 BM 20K 3515600100 1 3 C ARRAY CA1 5P 4 102 M 50V CNAXB 102M 1 4 C ELECTRO EC1 16 RSS 00 060 1 5 ELECTRO 2 25V RSS 1000 06 1 6 CONNECTOR WAFER YW396 02AV 3519150520 1 7 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 8 CONNECTOR WAFER CN2 155 1 40 2155800 1 8 DIODE 01 0 8 DZN4148 10 9 DIODE D11 12 1N4004A DZN4004A 2 10 DIODE ZENER 201 MTZ 5 1VB DZTZ5R1B11 1 11 DIODE ZENER 202 MTZ 3 9VB 1 2W DZTZ3R9B 1 12 LED DISPLAY DP1 DDG 631H DDDG631H 1 13 R ARRAY RA1 5P 4 1 8 100K J RA 85X104J 1 14 CARBON FILM Ri R7 1 6W 330 5 RD AZ331J 7 15 R CARBON FILM R8 10 12 14 20 1 6W 1K 5 RD AZ102J 5 16 R CARBON FILM R11 1 6W 100K 5 RD AZ104J 1 17 R CARBON FILM R13 1 6W 100 5 RD AZ101J 1 18 R CARBON FILM R15 17 1 6W 10K 5 RD AZ103J 3 19 R CARBON FILM R18 1 6W RD AZ105J 1 20 R CARBON FILM R19 1 4W 27 596 RD 4Z270J 1 21 R CARBON FILM R21 1 6W 4 7K 5 RD AZ472J 1 22 IC REGULATOR VL1 MC7905C 1MC7905C 1 23 TRANSISTOR Q1 5 7 10 KRA 106M TZRA106M 9 24 TRANSISTOR Q6 KTA 1266Y TZTA1266Y 1 25 TRANS POWER LVT1 DMR 631FS 5EPV035303 1 26 WIRE COPPER J1 J17 SJI 1 0 52 TIN COATING 85801052GY 18 27 IC MICOM TMP47C440BN 1A49 13GS371R00
3. 465 495 360 388 2 i K T 5 N X SS 5 KOG 374R0S 465 360 gt gt o elo H gt 5 7 6 68 465 360 4 gt TNCS n _ 2 FEATURE DIAGRAM 1 KOG 371G HOS KOG 391G H0S 1 DOOR SEAL Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage REFLECTOR Insulator Heater HEATING ELEMENT OVEN CAVITY 5 INTERLOCK SYSTEM DOOR RELEASE BUTTON By pushing this button the latch system cut off all circuits and stops the oven before the door is opened METAL RACK 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 a R N 9 ROLLER GUIDE This must always be used for cooking together with the glass cooking tray 10 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 11 DOOR VIEWING SCREEN Allows viewing of food The screen is designed so that light can pass through but not the microwave 12 DOOR HOOK When the door is closed it will automatically shut off If th
4. REFNO PART CODE PART NAME DESCRIPTION QTY F33 3512100900 FOOT PP DASF 130 2 F34 1 SPECIAL SCREW TT2 TRS 4X8 MFZN 1 35 3515201101 STOPPER HINGE U SCP 1 1 36 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F37 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 1 F38 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 2 F39 3513702600 LEVER LOCK POM 1 F40 3513811700 LOCK POM 1 F41 3513601600 LAMP BL 240V 25W T25 C7A H187 1 F42 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F43 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 3966310110 MOTOR SYNCRO 220 2 5W 1 F44 3518905300 THERMOSTAT OFF 75 ON 65 187 NB 1 F45 3513003400 HOLDER THERMOSTAT PBT 1 F46 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F47 4078502031 BUTTON LOCKING PP HONAM A353 2 F48 3511405100 COVER WAVE GUIDE MICA 1 F49 3517400620 COUPLER 1 F50 3514700900 ROLLER TEFLON 3 F51 3512509210 GUIDE ROLLER PP 1 3512510620 GUIDE ROLLER AS KOR 61150S 1 2 3517203500 TRAY GLASS 1 F53 3517206900 TRAY RACK AS KOG 37150S 110MM 1 87 EXPLODED VIEW AND PARTS LIST gt 006 2376115 KOG 396T1S gt 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 1 KOG 376T1S 5 66 88 2 5
5. REFNO PART CODE PART NAME DESCRIPTION Q TY A00 3511710380 DOOR AS KOR 636T1S 1 B00 3516721620 CONTROL PANEL AS KOG 376T1S 1 C00 3513302700 INSULTOR HEATER AS 37150 1 01 3510801310 CABINET SECC 1 F02 7112401011 SPECIAL SCREW T1 TRS 4X10 MFZN 3 03 3516109610 CAVITY AS CAVITY AS 1 4 7392500008 6N 2 5 2 05 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F06 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 1 F07 7121300611 SCREW TAPPING 25 PAN 3X6 MFZN 1 F08 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F09 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 2 F10 35113A5QJ5 CORD POWER AS 3X1 5 80X80 120 RTML 1 4M 1 F12 75312 40 1 SPECIAL SCREW T1 TRS 4X10 SE MFZN 1 F13 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F14 1 NUT FLANGE 0 MFZN 1 F15 4414A25110 FUSE 250V 15A 65TS 1 440 FUSE 250V 15A MDA15 1 F16 3518606100 NOISE FILTER DWLF M13 1 F17 7121402511 SCREW TAPPING 25 PAN 4X25 MFZN 2 F18 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 1 F19 3512517000 GUIDE WIND PP 1 F20 3511800300 FAN PP 30 GLASS 1 21 3518002200 2M218H MF 1 F22 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F23 1 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 1 F24 3513003200 HOLDER HV CAPACITOR SECC 1 25 3518302200 CAPACITOR HV 2100 0 98 187 1 F26 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F27 3518701100 FUSE HV 5KV 0 55A HV 41A55 02
6. REFNO PART CODE PART NAME DESCRIPTION Q TY F33 3512100900 FOOT PP DASF 130 2 F34 1 SPECIAL SCREW TT2 TRS 4X8 MFZN 1 F35 3515201101 STOPPER HINGE U SCP 1 1 36 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F37 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 1 8 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 2 F39 3513702600 LEVER LOCK POM 1 F40 3513811700 LOCK POM 1 F41 3513601600 LAMP BL 240V 25W T25 C7A H187 1 F42 7112401011 SCREW TAPPING T2 TRS 4X10 MFZN 1 F43 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 3966310110 MOTOR SYNCRO 220 2 5W M2LJ49ZT52 1 F44 3518905300 THERMOSTAT OFF 75 ON 65 187 NB 1 F45 3513003400 HOLDER THERMOSTAT PBT 1 F46 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F47 4078502031 BUTTON LOCKING PP HONAM A353 2 F48 3511405100 COVER WAVE GUIDE MICA 1 F49 3517400620 COUPLER XAREC 1 F50 3514700710 ROLLER TEFLON 3 F51 3512517300 GUIDE ROLLER PP 5113MF6 A353B 1 3512517500 GUIDE ROLLER AS KOR 63150S 1 F52 3517203600 TRAY GLASS 1 F53 3517206900 TRAY RACK AS KOG 37150S 110MM 1 85 2 5 REF NO PART CODE PART NAME DESCRIPTION Q TY A00 3511710700 DOOR AS KOR 86150S 1 B00 3516721700 CONTROL PANEL AS KOG 391G0S 1 3516721710 CONTROL PANEL AS KOG 391H0S 1 01 3516721730 CONTROL PANEL AS KOG 391R0S 1 01 3510801400 CABINET SECC 1 F02 7112
7. 77 3 When there is 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 s E 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 gt refer to Circuit Diagram point 2 Check method POINT STATE B RELAY 1 ON 5VDC GND RELAY 1 OFF GND 12VDC 4 When there is no grill oscillation Cause RELAY does not operate gt refer to Circuit Diagram point 6 Check method POINT STATE A B RELAY 3 ON 5VDC GND RELAY 3 OFF GND 12VDC 5 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram point 1 Check method POINT STATE E 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO HETHOD REMEDY 1 switch by resistance measurement Check the stage ON OFF of the door open monitor Replace door open monitor switch gt refer to Circ 6 When the digital clock does not operate properly uit Diagram point 5 POINT WAVE FORM A T 20 ms 50Hz If clock
8. REF NO PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512203800 FRAME DOOR ABS XR 401 H 2938 1 A02 3517003050 BARRIER SCREEN 0 ACRYL 1 A03 3515304610 SUPPORTER BARR S 0 PP 1 A04 3515204100 STOPPER HINGE T AS KOR 63150S 1 A05 3511705500 DOOR WELD AS KOR 61150S 1 A06 3517002800 BARRIER SCREEN POLYESTER 1 1 A07 3512300200 GASKET DOOR PP 1 A08 3513100700 HOOK POM 1 A09 3515101300 SPRING HOOK PW1 1 2 5 REF NO PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512204100 FRAME DOOR ABS XR 401 H 2938 1 A02 3517003150 BARRIER SCREEN 0 ACRYL 1 A03 3515304410 SUPPORTER BARR S 0 PP 1 A04 3515204100 STOPPER HINGE T AS KOR 63150S 1 A05 3511705620 DOOR WELD AS KOR 81250S 1 A06 3517002900 BARRIER SCREEN POLYESTER 70 1 1 A07 3512300400 GASKET DOOR PP 1 A08 3513100700 HOOK POM 1 A09 3515101300 SPRING HOOK 1 23 1 Remove the gasket door from door plate 2 Remove the barrier screen inner from door plate 3 Remove the door frame from door plate 4 Remove the stopper hinge top from door plate 5 Remove the spring and the hook 6 Remove the supporter barrier screen outer from door frame 7 Remove the barrier screen outer from door frame 8 Remove the above steps for reassembly 4 Method to reduce the gap between the door seal and the oven front surface 1 To reduce gap located on part A A Loosen a screw on stopper hinge top and then push the
9. NO MEASURE POINT WAVE FORM REMEDY REMARK 1 1 DC 5V 0 25V Replace VL1 1 NO LOAD 2 MP2 DC 12V 2 0V Replace EC2 D6 011 012 NO LOAD Each measure point must be measured with GND points TTT 72 Mesurement point 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 gt refer to Circuit Diagram point 2 Check method POINT STATE 5 RELAY 1 ON 5VDC GND RELAY 1 OFF GND 12VDC 4 When there is no grill oscillation Cause RELAY does not operate refer to Circuit Diagram point 6 Check method POINT STATE is E RELAY 3 ON 5VDC GND RELAY 3 OFF GND 12VDC 5 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram point 1 Check method POINT STATE 2 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO HETHOD REMEDY 1 Check the stage ON OFF of the doo
10. 2 Voltage Check Key check point NO CHECK POINT REMARK 1 PIN 6 10 11 5VDC 2 IC1 PIN 22 0 5V T 20ms 50Hz 3 PIN 8 OR 9 OV 4 5V T T 250 ns 4MHz Check method NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 DC 5V 0 25V Replace VL1 EC1 NO LOAD 2 MP2 DC 24V 2 0V Replace EC3 D8 11 NO LOAD w ss s G s Each measure point must be measured with GND points uu mm ab Rad mad Gu sud mad Ded Gad Ead iud mad al d 60 Mesurement point 61 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 24VDC 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 gt refer to Circuit Diagram point 2 Check method POINT STATE A B RELAY 1 ON 5VDC GND RELAY 1 OFF GND 24VDC
11. il Hn E m wt 5 Pre _ 09 57 3 P C B LOCATION NO 1 KOG 371G0S 371H0S NO NAME SYMBOL SPECIFICATION PARTCODE 1 BUZZER BZ1 BM 20K 3515600100 1 2 C ARRAY CA1 7P 6 102 M 50V CN6XB 102M 1 3 CAPACITOR ELEC 50 RS 1uF CEXE1H109A 1 4 CPAPCITOR ELEC EC2 25V RSS 1000UF CEXF1E102V 1 5 CONNECTOR WAFER YW396 02AV 3519150520 1 6 CONNECTOR FILM CN2 4 1 40 1 7 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 8 DIODE RECTIFY 01 6 8 12 14148 DZN4148 11 9 DIODE RECTIFY D13 14 1N4002A DZN4002A 2 10 DIODE ZENER ZD1 UZ 5 1BSB DZUZ5R1BSB 1 11 DIODE ZENER 202 28 DZUZ3R9BSB 1 12 LED DISPLAY DP1 DDG 631H DDDG631H01 1 13 M158 81 5X139 9 3514315410 1 14 ARRAY RA1 7P 6 1 8 100K J RA 87X104J 1 15 RESISTOR Ri R7 1 6W 330 5 RD AZ331J 7 16 RESISTOR R8 10 12 14 22 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 6 10K 596 RD AZ103J 2 20 RESISTOR R17 1 6 510 OHM J RD AZ511J 1 21 RESISTOR R18 1 6W 1M 5 RD AZ105J 1 22 RESISTOR R19 1 4 51 5 RD 4Z510J 1 23 RESISTOR R23 1 6 4 7K OHM J RD AZ472J 1 24 REGULATOR VL1 MC7905C 1 7905 1 25 TRANSISTOR Q1 5 8 11 KRA 102M TZRA102M 9 26 TRANSISTOR Q6 KTA
12. 01 3516719440 CONTROL PANEL ABS 1 002 3515501510 WINDOW DISPLAY PMMA 1 B03 3511603900 DECORATOR C PANEL ABS 1 B04 3516907410 BUTTON FUNCTION ABS 1 05 3516907510 BUTTON FUNCTION ABS 1 B06 3516907610 BUTTON START ABS 1 B07 3517401700 COUPLER VPC KNOB POM 1 B08 3513405530 KNOB VPC ABS 1 B09 3513405220 KNOB VOLUME ABS 1 B10 3514321410 PCB SUB AS KOR 636T1S 1 B11 7621301011 SCREW TAPPING T2 PAN 3 10 PW MFZN 6 B12 3514321320 PCB MAIN AS KOG 376T1S 1 B13 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 3 4 KOG 396T1S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK 01 3516720240 CONTROL PANEL ABS 1 002 3515501510 WINDOW DISPLAY PMMA 1 B03 3511604100 DECORATOR C PANEL ABS 1 B04 3516907410 BUTTON FUNCTION ABS 1 B05 3516907510 BUTTON FUNCTION ABS 1 B06 3516907610 BUTTON START ABS 1 B07 3517401700 COUPLER VPC KNOB POM 1 B08 3513405530 KNOB VPC ABS 1 B09 3513405220 KNOB VOLUME ABS 1 B10 3514321410 PCB SUB AS KOR 636T1S 1 B11 762130101 1 SCREW TAPPING T2 PAN 3 10 PW MFZN 6 B12 3514321520 PCB MAIN AS KOG 396T1S 1 B13 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 3 34 1 Remove the screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 3 4 5 6 7 Remove the door open lever from the control panel Remove four screws which secure the PCB assembly to control panel Disconnect membrane tail from the connector of the PCB assembly Detach membrane from the control panel
13. LE 2 Voltage Check Key check point NO CHECK POINT REMARK 1 IC1 PIN 2 21 30 34 5VDC 2 IC1 PIN 35 0 5V T 20ms 50Hz 3 IC1 PIN 31 OR 32 rz 5 T T 250 ns 4MHz Check method 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 w E i M NOTE Each measure point must be measured with GND points a az mmm Rei mad Gud Rd l 54 Mesurement point 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
14. Remove door open button and button spring from the control panel Reverse the above steps for reassembly 5 KOG 371R0S REF NO PARTCODE PARTNAME DESCRIPTION QTY REMARK 801 3515501500 WINDOW DISPLAY PMMA 1 802 3516719420 CONTROL PANEL ABS XR 401 H 2938 1 3516907400 BUTTON FUNCTION ABS 1 04 3516907600 BUTTON FUNCTION 5 1 05 3514321400 SUB AS KOR 631R0S 1 06 3514321330 MAIN AS 371805 1 B07 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 3 08 7621301011 SCREW TAPPING T2 PAN 4X12 MFZN 4 Bog 3513405210 KNOB VOLUME ABS 1 B10 3516907500 BUTTON FUNCTION ABS 1 811 3513702700 LEVER DOOR OPEN ABS 1 B12 441G430171 SPRING BUTTON SWP DIA 0 7 1 B13 3516906900 BUTTON DOOR OPEN ABS 1 6 KOG 391R0S REF NO PART CODE PART DESCRIPTION QTY REMARK 801 3515501500 WINDOW DISPLAY PMMA 1 BO2 3516720220 CONTROL PANEL ABS 1 B03 3516907400 BUTTON FUNCTION ABS 1 04 3516907600 BUTTON FUNCTION ABS 1 8056 3514321400 SUB AS KOR 631R0S 1 B06 3514321530 AS KOG 391R0S 1 B07 7122401211 SCREW TAPPING T28 TRS 4 12 MEZN 3 08 7621301011 SCREW TAPPING T2 PAN 3X10 PWMFZN 4 Bog 3513405210 KNOB VOLUME ABS 1 B10 3516907500 BUTTON FUNCTION ABS 1 B11 3513702700 LEVER DOOR OPEN ABS 1 B12 4410430171 SPRING BUTTON SWP DIA 0 7 1 B13 3516906900 BUT
15. 4 When there is no grill oscillation Cause RELAY does not operate gt refer to Circuit Diagram point 6 Check method POINT STATE A B RELAY 3 ON 5VDC GND RELAY 3 OFF GND 24VDC 5 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram point 1 Check method POINT STATE 2 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO HETHOD REMEDY 1 Check the stage ON OFF of the door open monitor Replace door open monitor switch switch by resistance measurement 6 When the digital clock does not operate properly refer to Circuit Diagram point 5 POINT WAVE FORM A 5V 20 ms 50Hz If clock does not keep exact time you must check resistor R7 8 C5 62 2 P C B CIRCUIT DIAGRAM 199 9999 Qll 00 GOO 9 CFE a b X MER m Ra gt 1 ar x Lai A PIE DI pur T T lt ga w LM tal TL 7 Boum LR x a ani L Ha 63 3 LOCATION NO 1 KOG 376T1S NO NAME SYMBOL SPECIFICATION PART CODE REMARK 1 BUZZER
16. 9 times P 20 20 10 times P 10 10 11 times P 00 0 KOG 371G H0S KOG 391G H0S KOG 371R0S KOG 391 ROS KOG 374R 375R0S 20 DISASSEMBLY AND ASSEMBLY Cautions to be observed when trouble shooting Unlike many other appliances the microwave oven is a high voltage high current equipment It is completely safety 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 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 earthed Do not operate on a two wire extension cord The microwave oven is designed to be used with earthed It is imperative therefore to makes 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 insulted screwdriver to discharge 4 When the 15A fuse is blown out
17. F20 3511800300 FAN PP 30 GLASS 0 F21 3518002200 MAGNETRON 2M218H MF 0 F22 3516004000 SPECIAL SCREW T2 BOLT FL 5X12 DACRO 0 F23 7S422X4081 SPECIAL SCREW TT2 TRS 4X8 MFZN 0 F24 3513003200 HOLDER HV CAPACITOR SECC 0 F25 3518302200 CAPACITOR HV 2100VAC 098 187 0 F26 3518400400 DIODE HV HVR 1X 3AB 112KV 187 0 F27 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 187 0 F28 3518113700 TRANS HV DY N80S0 63T 0 F29 3516003700 SPECIAL SCREW TT3 HEX 4X8 MFZN 0 F30 3510311700 BASE SBHG 0 KOG 37150S F31 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 0 F32 3512100900 FOOT PP DASF 130 0 F33 754224081 SPECIAL SCREW TT2 TRS 4X8 MFZN 0 F34 3515201101 STOPPER HINGE U SCP 1 0 F35 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 0 F36 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 0 F37 F38 4415 17352 SW MICRO VP 533A OF SPNO 187 200G 0 SECONDARY F39 3513702610 LEVER LOCK POM 0 F40 3513811710 LOCK POM 0 F41 3513601600 LAMP BL 240V 25W T25 C7A H187 0 F42 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 0 F43 3966310100 MOTOR SYNCRO 220V 2 5 GM 16 24FD12 0 F44 3518905300 THERMOSTAT OFF 75 ON 65 187 NB 0 F45 3513003400 HOLDER THERMOSTAT PBT 0 F46 7S422X4081 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 0 F47 3511405100 COVER WAVE GUIDE MICA 6 F48 3517400620 COUPLER XAREC 0 F49 3514700710 ROLLER TEFLON X Fso 3512517300 GUIDE ROLLER 5113MF6 A353B X 3512517500 GUIDE ROLLER AS 631505 0
18. 1 F28 3518115300 TRANS HV DW N80S0 63T 1 F29 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F30 3510311700 BASE SBHG 1 F31 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 5 F32 3512100900 FOOT PP DASF 130 2 F33 1 SPECIAL SCREW TT2 TRS 4X8 MFZN 1 4 3515201101 STOPPER HINGE U SCP 1 1 89 REF NO PART CODE PART NAME DESCRIPTION Q TY F35 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F36 4415466910 SW MICRO VP 531A OF SZM V16 FA 61 1 F37 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F38 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F39 3513702610 LEVER LOCK POM 1 F40 3513811710 LOCK POM 1 F41 3513601600 LAMP BL 240V 25W T25 C7A H187 1 F42 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F43 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 F44 3518905300 THERMOSTAT OFF 75 ON 65 187 NB 1 F45 3513003400 HOLDER THERMOSTAT PBT 1 F46 3516003700 SPECIAL SCREW TT3 TRS 4X8 FLG MFZN 1 F47 4078502031 BUTTON LOCKING PP HONAM A353 2 F48 3511405100 COVER WAVE GUIDE MICA 1 F49 3517400620 COUPLER XAREC 1 F50 3514700710 ROLLER TEFLON 3 F51 3512517300 GUIDE ROLLER PP 5113MF6 A353B 1 3512517500 GUIDE ROLLER AS KOR 63150S 1 F52 3517503600 TRAY GLASS 1 F53 3517206900 TRAY RACK AS KOG 37150S 110MM 1 90 2 KOG 396T1S N 0 080909 IN B00 91 1 658
19. 21 BM 20K 3615600100 1 MAIN 2 C ARRAY CA1 5P 6 102 M 50V CN4XB 102M 1 3 CAPACITOR ELEC EC1 2 50V RSS CEXE1H100A 2 4 CAPACITOR ELEC 50 RSS CEXE1H471V 1 5 CONNECTOR WAFER 96 0 3519150520 1 6 CONNECTOR WAFER CN2 HLEM15S 1 4CW215SBDO 1 7 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 8 DIODE SWITCH 01 4 14148 DZN4148 4 9 DIODE RECTIFY D5 11 1N4004A DZN4004A 7 10 DIODE ZENER ZD1 MTZ 3 9VB 1 2W DZUZ3R9BSB 1 11 DIODE ZENER 202 MTZ 20VB 1 2W DZUZ20BSB 1 12 VFD DISPLAY DP1 SVM 5MS06 DSVM5MS06 1 13 VFD HOLDER PP BLACK 3513002600 1 14 RARRAY RA1 5P 4 1 8 100K J RA 85X104J 1 15 RESISTOR R12 1 6 1 2K 5 RD AZ122J 1 16 RESISTOR R2 6 9 18 1 6W 1K 5 RD AZ102J 4 17 RESISTOR R7 8 1 6 47K 5 RD AZ473J 2 18 RESISTOR 10 11 1 6 100 5 RD AZ101J 3 19 RESISTOR R1 4 1 6 10K 5 RD AZ103J 2 20 RESISTOR R5 1 6 1M 5 RD AZ105J 1 21 RESISTOR R13 1 2W 56 5 RD 2Z560JS 1 22 RESISTOR R15 16 17 1 2W 200 5 RD 22201JS 3 23 RESISTOR R19 1 2W 1 2K 5 RD 27122JS 1 24 RESISTOR R15 1 2W 2K 5 RD 2Z202JS 1 25 REGULATOR 7905 1MC7905C 1 26 WIRE COPPER Q2 5 KRA 106M TZRA106M 4 27 CAPACITOR CERA Q1 KTA 1270Y TZTA1270Y 1 28 CAPACITOR CERA LVT1 DMR 814FS 301 1 29 WIRE COPPER J1 J16 SJ3 1 0 52 TIN COATING 85801052GY 17 30 CAPACITOR CERA C1 4 C6 104 50V Z AXIAL CCZF1H104Z 5 31 CAPACITOR CERA C5 473 50V Z AXIAL CCZF1H473Z 1 32 CAPACITO
20. 240V 25W T25 C7A H187 1 F42 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F43 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 3966310110 MOTOR SYNCRO 220 2 5W M2LJ49ZT52 1 F44 3518905300 THERMOSTAT OFF 75 ON 65 187 NB 1 F45 3513003400 HOLDER THERMOSTAT PBT 1 F46 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F47 4078502031 BUTTON LOCKING PP HONAM A353 2 F48 3511405100 COVER WAVE GUIDE MICA 1 F49 3517400620 COUPLER XAREC 1 F50 3514700710 ROLLER TEFLON 3 F51 3512517300 GUIDE ROLLER PP 5113MF6 A353B 1 3512517500 GUIDE ROLLER AS KOR 63150S 1 F52 3517203600 TRAY GLASS 1 F53 3517206900 TRAY RACK AS KOG 37150S 110MM 1 99 2 KOG 393R0S REFNO PART CODE PART NAME DESCRIPTION QTY 00 3511712720 DOOR AS KOR 86350S 1 B00 PKCPSWT500 CONTROL PANEL AS KOG 393R0S 1 3516721710 CONTROL PANEL AS KOG 391H0S 1 C00 3513302700 HEATER AS KOG 37150S 1 F01 3510801400 CABINET SECC 1 02 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 3 F03 3516109910 CAVITY AS CAVITY AS 1 F04 7392500008 NUT HEX 6N 2 5 2 F05 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F06 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 1 F07 7121300611 SCREW TAPPING 25 PAN 3X6 MFZN 1 F08 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F09 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 2 F10 35113A5QJ5 CORD POWER AS 3X1 5 80X80 120 RTML 1 4M 1 F12 7112401011 SCREW TAPPI
21. Easy Cook Display Cooking time power level indicators and present time are displayed Grill Combi Used to cook GRILL or COMBI Power Def Used to set power level and DEFROST Auto cook Used to cook using a program or to reheat Start Easy cook Used to start the oven operation and also increase the reheat time by 30 seconds Stop Clear Used to stop the oven operation or to erase all entries Clock Used to set clock O O R N Dial Knob Used to set the time and weight 16 4 KOG 375R0S Power Def Grill Combi C 1 Dinner Plate Auto Cook 2 Soup 3 Beverage CD 4 Fresh Vegetable yei ht Time Stop Clear Start Easy Cook Display Cooking time power level indicators and present time are displayed Grill Combi Used to cook GRILL or COMBI Power Def Used to set power level and DEFROST Auto cook Used to cook using a program or to reheat Start Easy cook Used to start the oven operation and also increase the reheat time by 30 seconds Stop Clear Used to stop the oven operation or to erase all entries Clock Used to set clock NO Q R N Dial Knob Used to set the time and weight 17 5 373805 KOG 393R0S KOG 373R 1 Dinner Plate 2 Soup 3 Beverage 4 Fresh Vegetable Grill Combi Power Defr
22. SYSTEM METAL RACK COUPLER This fits over the shaft in the center of the ovens cavity floor This is to remain in the oven for all cooking ROLLER GUIDE This must always be used for cooking together with the glass cooking tray 9 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 10 DOOR VIEWING SCREEN Allows viewing of food The screen is designed so that light can pass through but not the microwave 11 DOOR HOOK When the door is closed it will automatically shut off If the door is opened while the oven is operating the magnetron will immediately stop operating R 11 3 CONTROL PANEL 1 KOG 371G0S KOG 391G0S NN Y Y Y M W Def Grill Combi Timer g Ds Pasta Beverage Frozen Pizza 5 Auto Defrost Fish Poultry Meat 2 Yom M 5 STOP START CLEAR SPEEDY COOK 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 COMBI Used to cook COMBI GRIL
23. does not keep exact time you must check resistor R15 16 zener diode 201 79 2 P C B CIRCUIT DIAGRAM um uu u sana 5 Z See uy 80 3 LOCATION NO 1 KOG 373R0S NAME NAME SYMBOL SPECIFICATION PART CODE REMARK 1 PCB MAIN M169 90 X 197 3514321150 1 MAIN PCB 2 BUZZER BZ1 BM 20K 3515600100 1 3 C ARRAY CA1 5P 4 1000PF M 50V CN4XB 102M 1 4 CAPACITOR CERA C4 102 50 Z AXIAL CCZB1H102K 1 5 CAPACITOR CERA C1 C3 C5 C7 104 50V Z AXIAL CCZF1H104Z 6 6 CAPACITOR ELEC 16V RSS 100MF CEXF1C101V 1 7 CAPACITOR ELEC EC2 25V RSS 1000MF CEXF1E102V 1 8 CONNECTOR WAFER CN1 HLEM15S 1 40 2159800 1 9 CONNECTOR WAFER CN2 YW396 02V 3519150520 1 10 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 11 DIODE SWITCHING D1 10 1N4148 DZN4148 10 12 DIODE RECTIFY D11 12 KN4004A DZN4004A 2 13 DIODE ZENER 201 UZ 3 9SBS DZUZ3R9BSB 1 14 DIODE ZENER ZD2 UZ 5 1SBS DZUZ5R1BSB 1 15 IC MICOM IC1 TMP47C440BN 1A49 1365371600 1 16 REGULATOR VL1 MC7905C 1MC7905C 1 17 LED DISPLAY DP1 DDG 631H DDDG631H 1 18 R ARRAY RA1 RGLD4X104J RA 85X104J 1 19 R CARBON FILM R20 14W 27 5 RD 4Z270J 1 20 R CARBON FILM R2 1 6W 100 5 RD AZ101J 1 21 R CARBON FILM R7 R9 R1
24. due to the operation of the monitor switch replace primary interlock switch secondary interlock switch and interlock monitor switch Refer to next page for the necessary adjustment 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 CAUTION Service personnel should remove their watches whenever working close to or replacing the 1 magnetron 1 al L L I WARNING When servicing the appliance need a care of touching or replacing high potential parts because of electrical shock or exposing microwave These parts are as follows HV Transformer Magnetron Capacitor HV Diode HV Fuse ETE 21 DISASSEMBLY AND ASSEMBLY 1 To remove cabinet 1 Remove three screws on cabinet back 2 Push the cabinet backward A 2 To remove door assembly 1 Remove a screw which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for reassembly 22 3 remove door parts Fm nme ADI LARS 1405 ADS LADT w ai sie 7 5
25. screws on stopper hinge top and then A 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 M EE TS CM ICM NOTE A small gap may be acceptable if the microwave leakage does not exceed 7777777777770 30 Tang 7 KOG 373R0S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512203860 FRAME DOOR ABS SG 175 1 A02 3517005630 BARRIER SCREEN 0 SAN 1 A03 3515204100 SUPPER HINGE T AS KOR 63150S 1 A04 3511705500 DOOR WELD AS KOR 61150S 1 A05 3517002800 BARRIER SCREEN I POLYESTER 70 1 1 A06 3512300200 GASKET DOOR PP 1 A07 3513100700 HOOK POM 1 A08 3515101300 SPRING HOOK PW1 1 8 KOG 393R0S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK 01 3512204170 FRAME DOOR ABS SG 175 1 02 3517005740 BARRIER SCREEN 0 ACRYL 1 A03 3515204100 SUPPER HINGE T AS KOR 63150S 1 A04 3511705620 DOOR WELD AS KOR 81250S 1 A05 3517002900 BARRIER SCREEN I POLYESTER 70 1 1 A06 3512300400 GASKET DOOR PP 1 A07 3513100700 HOOK POM 1 A08 3515101300 SPRING HOOK PW1 1 31 1 Remove
26. the gasket door from door plate 2 Remove the barrier screen inner from door plate 3 Remove the door frame from door plate 4 Remove the stopper hinge top from door plate 5 Remove the spring and the hook 6 Remove the supporter barrier screen outer from door frame 7 Remove the barrier screen outer from door frame 8 Remove the above steps for reassembly 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 screw on stopper hinge top and then push the door to contact the door seal to oven front surface Tighten a screw 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 J 42 mmm e E PONT O E ee ee SS eS ee NOTE A small gap be acceptable if the microwave leakage does not exceed 1 32 5 remove control panel parts hy 801 B04 ab N IS SN ecd 2 2 oy T ARR om 807 B08 8051 LE Lu 1 KOG 371G0S 371H0S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK 3518521610 KOG 371G0S 01 SWITCH MEMBRA
27. 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 110 Q 10 Filament winding Approx 0 Q Primary winding Approx 1 Q 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 10M once the capacitor charged 3 A shorted capacitor will show continuous continuity 4 An open capacitor will show constant 5 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 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 several hundred Q 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 fila
28. 1 DIODE ZENER 202 MTZ 86 DZUZ20BSB 1 12 VFD DISPLAY DP1 SVM 5MS06 DSVM5MS06 1 13 VFD HOLDER PP BLACK 3513002600 1 14 R ARRAY RA1 5P 4 1 8 100K J RA 85X104J 1 15 RESISTOR R12 1 6W 1 2K_5 RD AZ122J 1 16 RESISTOR R2 6 9 18 1 6W 1K 5 RD AZ102J 4 17 RESISTOR 7 8 1 6W 47K 5 RD AZ473J 2 18 RESISTOR R3 10 11 1 6W 100 5 RD AZ101J 3 19 RESISTOR R1 4 1 6W 10K 5 RD AZ103J 2 20 RESISTOR R5 1 6 1M 5 RD AZ105J 1 21 RESISTOR R13 1 2W 56 5 RD 2Z560JS 1 22 RESISTOR R15 16 17 1 2W 200 5 RD 2Z201JS 3 23 RESISTOR R19 1 21 1 2K 5 RD 27122JS 1 24 RESISTOR R15 1 2W 2K 5 RD 2Z202JS 1 25 REGULATOR 7905 1 7905 1 26 WIRE COPPER Q2 5 KRA 106M TZRA106M 4 27 CAPACITOR CERA Q1 KTA 1270Y TZTA1270Y 1 28 CAPACITOR CERA LVT1 DMR 814FS 36071 1 29 WIRE COPPER J1 J16 43 1 0 52 TIN COATING 85801052GY 17 30 CAPACITOR CERA C1 4 C6 104 50V Z AXIAL CCZF1H104Z 5 31 CAPACITOR CERA C5 473 50V Z AXIAL CCZF1H473Z 1 32 CAPACITOR CERA CRI KBR 4 0MSTF 5PKBR40MKS 1 33 SW RELAY RY1 3 G5G 1A DC24V 55 0101122 2 34 SW RELAY RY2 OJ SS 124LM 55 0101405 1 35 HD404318E08S 147S636T00 1 36 MAIN M163 M163 3514321120 1 37 LED LED101 DLSR 302D 5 5 DDLSR302D1 1 SUB 38 WIRE FLAT WF1 1 25X15X90CWH WSJ 159007 1 39 SW TACT SW102 105 KPT 1115AM 5550101293 4 40 SWROTARY SW101 SDB161PVB17F 123636 5810109002 1 41 VR ROTARY VR101 RPO9PV 5V1104103B 1 42 CONNECTO
29. 1 10 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 11 DIODE SWITCHING 01 0 8 DZN4148 10 12 DIODE RECTIFY D11 12 KN4004A DZN4004A 2 13 DIODE ZENER ZD1 MTZ 5 1VB 1 2W DZTZ5R1B 1 14 DIODE ZENER ZD2 MTZ 3 9 VB DZTZ3R9B 1 15 IC MICOM IC1 TMP47C440BN 1A49 1365371600 1 16 IC REGULATOR VL1 MC7905C 1MC7905C 1 17 LED DISPLAY DP1 DDG 631H DDDG631H 1 18 R ARRAY RA1 RGLD4X104J RA 85X104J 1 19 R CARBON FILM R19 14W 27 5 RD 4Z270J 1 20 R CARBON FILM R13 1 6 100 5 RD AZ101J 1 21 R CARBON FILM R1 R7 1 6W 330 5 RD AZ331J 7 22 R CARBON FILM R8 9 11 14 20 1 6 1K 5 RD AZ102J 5 23 R CARBON FILM R21 1 6 4 7K 5 RD AZ472J 1 24 R CARBON FILM R15 17 1 6 10K 5 RD AZ103J 3 25 R CARBON FILM R12 1 6 100K 5 RD AZ104J 1 26 R CARBON FILM R18 1 6 1M 5 RD AZ105J 1 27 RESONATOR CERA CR1 KBR 4 0MKSTF 5PKBR40MKS 1 28 SW RELAY RY3 G5G 1A 1C 1P DC12V 55 0101121 2 29 SW RELAY RY2 OJ SS 112LM DC 12V 55 0101404 1 30 TRANSISTOR 01 5 Q7 10 KRA 106M TZRA106M 9 31 TRANSISTOR Q6 KTA 1266Y TZTA1266Y 1 32 TRANS POWER LVT1 DMR 631FS 5 5303 1 33 WIRE COPPER J1 J5 J8 J10 13 J15 J17 1 0 52 TIN COATING 85801052GY 12 7 5mm 34 WIRE COPPER J9 J14 J16 1 0 52 TIN COATING 85801052GY 10 0mm 35 WIRE COPPER J6 J7 1 0 52 TIN COATING 85801052GY 2 12 5mm 36 WIRE FLAT WF1 15 90 C 159007 1 37 PCB SUB M167 82 X 161 3514321220 1 SUBPCB 38 CONNECTOR WAFER CN101 HLEM15R 1 4
30. 1 28 RESONATOR CERA CR1 KBR 4 0MSTF 5PKBRAOMKS 1 29 SW RELAY RY1 3 G5G 1A DC12V 5500101121 2 30 SW RELAY RY2 658 5SC0101110 1 31 C6 102 50V Z AXIAL CCZB1H102K 1 32 C CERA C175 C7 104 50V Z AXIAL CCZF1H104Z 6 33 PCB SUB M161 70X122 3514321200 1 SUB PCB 34 SW TACT SW102 107 KPT 1115AM 5550101293 6 35 SW ROTARY SW101 SDB161PVB17F123636 5510109002 1 36 R CARBON FILM 101 102 1 6W 1K 596 RD AZ102J 2 37 WIRE FLAT WF1 1 25X15X90XCWH SWJ 159007 1 38 WIRE COPPER J101 1 0 52 TIN COATING 85801052GY 1 39 CONNECTOR WAFER CN101 HLEM15R 1 4CW215RBD 1 71 PRINTED CIRCUIT BOARD lt KOG 374R0S KOG 375R0S gt 1 CIRCUIT CHECK PROCEDURE 1 Low Voltage Transformer check The low voltage transformer is located on the P C B Measuring condition input voltage 230V Frequency 50Hz Terminal Voltage LOAD NO LOAD 4 7 AC 25 8 V AC 28 4 V 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 0 5 T 20ms 50Hz 3 IC 1 PIN 31 OR 32 5V d T 250 ns 4MHz Check method
31. 1266Y TZTA1266Y 1 27 TRANS POWER LVT1 DMR 631FS 5EPV035303 1 28 WIRE COPPER J1 gt 8 5 8 10 12 17 21 1 0 52 TIN COATING 85801052GY 15 29 WIRE COPPER SJ4 1 0 52 TIN COATING 85801052GY 1 30 IC MICOM IC1 TMP47C440BN NF94 010 1 31 RESONATOR KBR 4 0MKSTF 5PKBR40MKS 1 32 SW RELAY RY1 RY3 G5G 1A DC 12V 58C0101 121 2 33 SW RELAY RY2 G5B 1 DC12V 55 0101110 1 34 CAPACITOR C6 102 50V Z AXIAL CCZB1H102K 1 35 CAPACITOR CERA C1 5 C7 104 50V Z AXIAL CCZF1H104Z 6 58 2 25 NO NAME SYMBOL SPECIFICATION PART CODE 1 BUZZER BZ1 BM 20K 3515600100 1 2 C ARRAY CA1 7P 6 102 M 50V CN6XB 102M 1 3 CAPACITOR ELEC 50V RS CEXE1H109A 1 4 CPAPCITOR ELEC EC2 25V RSS 1000uF CEXF1E102V 1 5 CONNECTOR WAFER YW396 02AV 3519150520 1 6 CONNECTOR FILM CN2 4 1 4 1 7 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 8 DIODE RECTIFY D1 6 8 12 1N4148 DZN4148 11 9 DIODE RECTIFY D13 14 1N4002A DZN4002A 2 10 DIODE ZENER ZD1 UZ 5 1BSB DZUZ5R1BSB 1 11 DIODE ZENER 202 UZ 3 9BSB DZUZ3R9BSB 1 12 LED DISPLAY DP1 DDG 631H DDDG631H01 1 13 M158 81 5X139 9 3514315410 1 14 ARRAY RAI 7P 6 1 8 100K J RA 87X104J 1 15 RESISTOR Ri R7 1 6W 330 5 RD AZ331J 7 16 RESISTOR R8 10 12 14 22 1K 5 RD AZ102J 5 17 RESISTOR R11 20 21 1 6 100K 5 RD AZ104J 3 18 RESISTOR R13 1
32. 401011 SPECIAL SCREW T1 TRS 4X10 MFZN 3 F03 351609910 CAVITY AS CAVITY AS 1 F04 7392500008 NUT HEX 6N 2 5 2 F05 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F06 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 1 F07 7121300611 SCREW TAPPING 25 PAN 3X6 MFZN 1 F08 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F09 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 2 F10 35113A5QJ5 CORD POWER AS 3X1 5 80X80 120 RTML 1 4M 1 F12 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F13 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F15 1 NUT FLANGE 5 0 80 MFZN 1 F16 4414425110 FUSE 250V 15A 65TS 1 4414425100 FUSE 250V 15A MDA15 1 F17 3518606100 NOISE FILTER DWLF M13 1 F18 7121402511 SCREW TAPPING 25 PAN 4X25 MFZN 2 F19 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 1 3963512310 MOTOR SHADED POLE 230 20W MW10CA M02 1 F20 3512517000 GUIDE WIND PP 1 F21 3511800300 FAN PP 30 GLASS 1 F22 3518002200 MAGNETRON 2M218H MF 1 F23 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F24 1 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 1 F25 3513003200 HOLDER HV CAPACITOR SECC 1 F26 3518302200 CAPACITOR HV 2100 0 98 7 1 F27 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F28 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F29 3518114800 TRANS HV DY N90S0 86T B 1 F30 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F31 3510311900 BASE SBHG 1 F32 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 5 86
33. 51 3517203600 TRAY GLASS 0 F52 3517206900 TRAY RACK AS KOG 37150S 110MM 0 94 EXPLODED VIEW AND PARTS LIST lt KOG 375R0S gt 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 1 KOG 375R0S T TT TT i i i 95 1 375 05 NO PARTCODE PART NAME DESCRIPTION SUPPLY REMARK A00 Refer to 6 DOOR AS Refer to 6 Disassembly and Disassembly and CONTROL PANEL AS nel y 0 600 assembly INSULATOR HEATER AS 01 3510801310 SECC 0 F02 7112401011 SPECIAL SCREW T1 TRS 4X10 MFZN 0 F03 3516109610 CAVITY AS KOG 37150S 0 204 7392500008 NUT HEX 6N 2 5 0 205 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 0 206 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 0 F07 7121300611 SCREW TAPPING 25 PAN 3X6 MFZN 0 208 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 0 09 1 SCREW TAPTITE TT3 TRS 4X8 MFZN 0 F10 35113A5QJ5 CORD POWER AS 3X1 5 80X70 120 RTML 0 12 7272400811 SCREW TT3 TRS 4X8 MFZN 0 F13 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 0 F14 01 NUT FL M5X0 8P 0 pig _ 0 FUSE 250V 15A 65TS 0 4414 25100
34. 6 R19 1 6W 330 5 RD AZ331J 7 22 R CARBON FILM R1 10 13 15 21 1 6 1K 5 RD AZ102J 5 23 R CARBON FILM R14 1 6 4 7K 5 RD AZ472J 1 24 R CARBON FILM R3 R5 R6 1 eW 10K 596 RD AZ103J 3 25 R CARBON FILM R12 1 6 100K 59 RD AZ104J 1 26 R CARBON FILM R4 1 6 1M 5 RD AZ105J 1 27 RESONATOR CERA CR1 KBR 4 0MKSTF 5PKBR40MKS 1 28 SW RELAY RY3 G5G 1A 1C 1P DC12V 55 0101121 2 29 SW RELAY RY2 OJ SS 112LM DC 12V 55 0101404 1 30 TRANSISTOR Q2 10 KRA 106M TZRA106M 9 31 TRANSISTOR Q1 KTA 1266Y TZTA1266Y 1 32 TRANS POWER LVT1 DMR 631FS 5 035303 1 33 WIRE COPPER J3 J5 J10 1 0 52 TIN COATING 85801052GY 7 7 5mm 34 WIRE COPPER J1 J4 1 0 52 TIN COATING 85801052GY 2 10 0mm 35 WIRE COPPER J2 1 0 52 TIN COATING 85801052GY 1 12 5mm 36 WIRE FLAT WF1 15 90 WH C 159007 1 37 PCB SUB M170 70 X 197 3514321230 1 SUBPCB 38 CONNECTOR WAFER CN101 HLEM15R 1 4CW215RBDO 1 39 R CARBON FILM R101 R102 1 6W 596 RD AZ102J 2 40 SW ROTARY SW107 SDB161PVB17F123636 5510109002 1 41 SW TACT SW101 SW106 KPT 1115AM 5550101293 6 42 WIRE COPPER J101 1 0 52 TIN COATING 85801052GY 1 10mm 81 2 KOG 393R0S NAME NAME SYMBOL SPECIFICATION PART CODE Q TY REMARK PCB MAIN M169 90 X 197 3514321150 1 MAIN PCB 2 BUZZER BZ1 BM 20K 3515
35. 600100 1 3 C ARRAY CA1 5P 4 1000PF M 50V CN4XB 102M 1 4 CAPACITOR CERA C4 102 50V Z AXIAL CCZB1H102K 1 5 CAPACITOR CERA C1 C3 5 7 104 50V Z AXIAL CCZF1H104Z 6 6 CAPACITOR ELEC 16V RSS 100MF CEXF1C101V 1 7 CAPACITOR ELEC EC2 25V RSS 1000MF CEXF1E102V 1 8 CONNECTOR WAFER CN1 HLEM15S 1 40 2159800 1 9 CONNECTOR WAFER CN2 YW396 02V 3519150520 1 10 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 11 DIODE SWITCHING 01 0 8 DZN4148 10 12 DIODE RECTIFY D11 12 KN4004A DZN4004A 2 13 DIODE ZENER ZD1 UZ 3 9SBS DZUZ3R9BSB 1 14 DIODE ZENER ZD2 UZ 5 1SBS DZUZ5R1BSB 1 15 IC MICOM TMP47C440BN 1A49 1365371600 1 16 IC REGULATOR VL1 MC7905C 1MC7905C 1 17 LED DISPLAY DP1 DDG 631H 0000663101 1 18 R ARRAY RA1 RGLD4X104J RA 85X104J 1 19 R CARBON FILM R20 14W 27 5 RD 4Z270J 1 20 R CARBON FILM R2 1 6 100 5 RD AZ101J 1 21 R CARBON FILM R7 R9 R16 R19 1 6 330 5 RD AZ331J 7 22 R CARBON FILM R1 10 13 15 21 1 6 1K 5 RD AZ102J 5 23 R CARBON FILM R14 1 6 4 7K 5 RD AZ472J 1 24 R CARBON FILM R3 R5 R6 1 6 10K 5 RD AZ103J 3 25 R CARBON FILM R12 1 6 100K 5 RD AZ104J 1 26 R CARBON FILM R4 1 6 1M 5 RD AZ105J 1 27 RESONATOR CERA CR1 KBR 4 0MKSTF 5PKBR40MKS 1 28 SW RELAY G5G 1A 1C 1P DC12V 55 0101121 2 29 SW RELAY RY2 OJ SS 112LM DC 12V 55 0101404 1 30 TRANSISTOR Q2 10 KRA 106M TZRA106M 9 31 TRANSISTOR Q1 KTA 1266Y TZTA1266Y 1 32 TRANS POWER
36. 6W 200 5 RD AZ201J 1 19 RESISTOR R15 16 1 6W 10K 5 RD AZ103J 2 20 RESISTOR R17 1 6 510 OHM J RD AZ511J 1 21 RESISTOR R18 1 6W 1M5 RD AZ105J 1 22 RESISTOR R19 1 4W 51 5 RD 42510J 1 23 RESISTOR R23 1 6 4 7K OHM J RD AZ472J 1 24 REGULATOR MC7905C 1 7905 1 25 TRANSISTOR Q1 5 8 11 KRA 102M TZRA102M 9 26 TRANSISTOR Q6 KTA 1266Y TZTA1266Y 1 27 TRANS POWER LVT1 DMR 631FS 5 28 1 28 WIRE COPPER J1 35 80 12 1721 1 0 52 TIN COATING 85801052GY 15 29 WIRE COPPER 591 SJ4 1 0 52 TIN COATING 85801052GY 2 30 IC MICOM IC1 TMP47C440BN NF94 00 1 31 RESONATOR CR1 KBR 4 0MKSTF 5PKBR40MKS 1 32 SW RELAY RY1 RY3 G5G 1A DC 12V 58C0101 121 2 33 SW RELAY RY2 G5B 1 DC12V 55 0101110 1 34 CAPACITOR CERA C6 102 50V Z AXIAL CCZB1H102K 1 35 CAPACITOR CERA C1 5 C7 104 50V Z AXIAL CCZF1H104Z 6 59 PRINTED CIRCUIT BOARD KOG 376T1S 396 15 gt 1 CIRCUIT CHECK PROCEDURE 1 Low voltage transformer check The low voltage transformer is located on the P C B Measuring condition Input voltage 230V Frequency 50Hz Terminal Voltage LOAD NO LOAD 8 9 AC 23V AC 27 7N 6 7 AC 2 27V AC 2 79V cR UE EE C CIC cc I NOTE 1 1 Refer to Circuit Diagram point 4 2 Secondary side voltage of the low voltage trasformer changes in proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage i
37. 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 15 1 NUT FLANGE 5 0 80 MFZN 1 F16 4414425110 FUSE 250V 15A 65TS 1 4414425100 FUSE 250V 15A MDA15 1 F17 3518606100 NOISE FILTER DWLF M13 1 F18 7121402511 SCREW TAPPING 25 PAN 4X25 MFZN 2 F19 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 1 3963512310 MOTOR SHADED POLE 230V 20W MW10CA M02 1 F20 3512517000 GUIDE WIND PP 1 F21 3511800300 FAN PP 30 GLASS 1 F22 3518002200 MAGNETRON 2M218H MF 1 F23 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F24 1 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 1 F25 3513003200 HOLDER HV CAPACITOR SECC 1 F26 3518302200 CAPACITOR HV 2100 0 98 187 1 F27 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F28 3518701100 FUSE HV 5KV 0 55 HV 41A55 02 1 9 3518113700 TRANS HV DY N80S0 63T 1 30 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F31 3510311700 BASE SBHG 1 F32 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 5 98 REFNO PART CODE PART NAME DESCRIPTION Q TY F33 3512100900 FOOT PP DASF 130 2 F34 1 SPECIAL SCREW TT2 TRS 4X8 MFZN 1 F35 3515201101 STOPPER HINGE U SCP 1 1 36 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F37 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 1 8 4 2 SW MICRO VP 533A OF SPNO 187 200G 2 F39 3513702610 LEVER LOCK POM 1 F40 3513811710 LOCK POM 1 F41 3513601600 LAMP BL
38. 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 1 KOG 374R 375R0S AE 1 Primary 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 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 minitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ADJUSTMENT Interlock monitor switch When the door is closed the interlock monitor switch should be changed NO condition before other switches are closed When the door is opened the interlock monitor switch should be changed NC condition after other switches are opened ON condition 3 Adjustment steps a Loosen the one mounting screw b Adjust interlock switch assmbly position s s s NOTE Microwave emission test should be performed after adjusting interlock mechanism
39. BOLT FL5X12 DACRO O F25 75422 4081 SPECIAL SCREW TT2 TRS 4X8 MFZN 0 F26 3513003200 HOLDER HV CAPACITOR SECC O F27 3518302200 CAPACITOR HV 2100 0 7 0 F28 3518400400 DIODE HV HVR 1X 3AB 112KV 187 O F29 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 7 O F30 3518114800 TRANS HV DY N90S0 86TB O F31 3516003700 SPECIAL SCREW HEX 4X8 SE MFZN O F32 3510311900 BASE SBHG 0 63 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 0 4 3512100900 FOOT PP DASF 130 0 F35 75422 4081 SPECIAL SCREW TT2 TRS 4X8 MFZN O F36 3515201101 STOPPER HINGE U SCP 1 0 37 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 0 PRIMARY F38 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 O MONITOR F39 F40 4415 17352 SW MICRO VP 533A OF SPNO 187 200G 0 SECONDARY F41 3513702610 LEVER LOCK POM 0 F42 3513811710 LOCK POM O F43 3513601600 LAMP BL 240V 25W T25 C7A H187 O F44 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN O F45 3966310100 MOTOR SYNCRO 220V 2 5 GM 16 24FD12 O F46 3518905600 THERMOSTAT OFF 80 ON 50 187 NB O F47 3513003400 HOLDER THERMOSTAT PBT O F48 75422 4081 SPECIAL SCREW TT2 TRS 4X8 SE MFZN O F49 4078502031 BUTTON LOCKING PP O F50 3511405100 COVER WAVE GUIDE MICA 0 F51 3517400620 COUPLER XAREC 0 F52 3514700900 ROLLER TEFLON X F53 3512509210 GUIDE ROLLER PP X 3512510620 GUIDE ROLLER AS KOR 61152S 0 F54 3517203500 TRAY GLASS O F55 3517206900 TRAY RACK AS KOG 37150S 110MM O 92 EXPLODED VIEW AND PARTS LIST lt 374 05 gt 1 DOOR ASSEMBLY Re
40. CW215RBDO 1 39 R CARBON FILM R101 R102 1 6W 596 RD AZ102J 2 40 SW ROTARY SW101 SDB161PVB17F 123636 5510109002 1 41 SW TACT SW102 SW107 KPT 1115AM 5550101793 6 42 WIRE COPPER J101 1 0 52 TIN COATING 85801052GY 1 7 5mm 76 PRINTED CIRCUIT BOARD lt KOG 373R0S KOG 393R0S gt 1 CIRCUIT CHECK PROCEDURE 1 Low Voltage Transformer check The low voltage transformer is located on the Measuring condition input voltage 230V Frequency 50112 Terminal Voltage LOAD NO LOAD 4 7 AC 25 8 V AC 28 4 V 1 Refer to Circuit Diagram point 4 1 1 I 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 1 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage E 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 0 T T 20ms 50Hz 3 IC 1 PIN 31 OR 32 5V d 250 ns 4MHz Check method 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 D10 D11 D12 NO LOAD mm NOTE Each measure point must be measured with GND points
41. DAEWOO DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA BOX 8003 SEOUL KOREA TELEX DWELEC 28177 8 CABLE DAEWOOELEC E MAIL G7FO0E web dwe co kr FAX 02 360 8184 TEL 02 360 8179 8180 PRINTED DATE Dec 1999 Service Manual Microwave Oven Model KOG 371G0S KOG KOG 376T1S KOG VRBE KOG 374R0S KOG 373R0S CO KOG 39TGNS OEE KOG 391 1 KOG 375 KOG P EEEOEEEOEEEFEFEEFECEEEEEEEEFEEFEEEFEEEEFEEEEEEEEEEEFEEEEEEEEEEEEEEEEEEFECEEFEEEEEEIEEEFEEEFEEEEEEFEIEFE 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 magnetron 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 huide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generatio
42. ED CIRCUIT BOARD ss 54 60 66 72 77 1 CIRCUIT CHECK PROCEDURE 55 61 67 73 78 2 PCB CIRCUIT DIAGRAM u to aa 57 63 69 75 80 9 PCB LOCATIONINO u uu Eso 58 64 70 76 81 EXPLODED VIEW AND PARTS LIST uuu uuu u 83 1 DOOR ASSEMBLY rd te er ER Ep P diet 83 2 CONTROL PANEL ASSEMBDLY eit icti retta Ti aa pn X 83 3 TOTAL ASSEMBLY E 83 SAFETY AND PRECAUTIONS 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 broken door hinge 2 Abroken door viewing screen 3 A broken front panel oven cavity 4 Aloosened door lock 5 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 NO
43. FUSE 250V 15A MDA F16 3518606100 NOISE FILTER 0 0 F17 7121402511 SCREW TAPPING T2S PAN 4X25 MFZN 0 F18 00 GUIDE WIND PP 0 Fig 3963513100 MOTOR SHADED POLE 230 17 OEM 10DWC2 A07 0 3963512310 MOTOR SHADED POLE 230V 20W MW10CA M02 F20 3511800300 FAN PP 30 GLASS 0 21 3518002200 MAGNETRON 2M218H MF 0 F22 3516004000 SPECIAL SCREW 2 BOLT FL 5X12 DACRO 0 F23 7S422X4081 SPECIAL SCREW TT2 TRS 4X8 MFZN 0 F24 3513003200 HOLDER HV CAPACITOR SECC 0 F25 3518302200 CAPACITOR HV 2100VAC 0 98uF 187 0 F26 3518400400 DIODE HV HVR 1X 3AB 112KV 187 0 F27 3518701100 FUSE HV 5 0 55A HV 41A55 02 187 0 F28 3518113700 TRANS HV DY N80S0 63T 0 F29 3516003700 SPECIAL SCREW TT3 HEX 4X8 MFZN 0 F30 3510311700 BASE SBHG 0 06 65 1 7112401011 SCREW TAPPING T1 TRS 70 0 F32 3512100900 FOOT PP DASF 130 0 F33 7S422X4081 SPECIAL SCREW TT2 TRS 4X8 MFZN O F34 3515201101 STOPPER HINGE U SCP 1 0 F35 2 SW MICRO VP 533A OF SPNO 187 200G 0 F36 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 0 MONITOR 7 38 4415 17352 SW MICRO VP 533A OF SPNO 187 200G 0 SECONDARY F39 3513702610 LEVER LOCK POM 0 F40 3513811710 LOCK POM 0 F41 3513601600 LAMP BL 240V 25W T25 C7A H187 0 F42 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN O F43 3966310100 MOTOR SYNCRO 220V 2 5 GM 16 24FD12 O F44 3518905300 THERMOSTAT OFF 75 ON 65 187 NB O F45 3513003400 HOLDER THERMOSTAT PBT O F46 7S422X4081 SPECIA
44. If the microwave emission exceed 4 mW cm readjust interlock mechanism 44 TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not Check earthing before trouble checking Be careful of the high voltage circuit Discharge the high voltage capacitor When checking the continuity of the switches fuse or high voltage tranformer disconnect one load 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 1 2 3 4 P gt B Sa sG pn 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 770 TROUBLE 1 Oven does not operate all any inputs can not be accepted CONDITION CHECK RESULT CAUSE REMEDY Fuse blows gt Check continuty of interlock Malfunction of 06 monitor switch with door closed interlock NOTE 1 COM NC monitor switch No Continuity Check continuity of both n primary and seconda
45. KOR 636T1S SCP 12 6 1 A08 3515101310 SPRING HOOK HSW 3 1 A09 3513100730 HOOK KOR 6325 POM 1 A11 7122401211 SCREW TAPPING 25 TRX 4X12 MFZN 1 A12 3512302000 GASKET DOOR KOR 86671S PP 1 25 1 Remove the gasket door from door plate 2 Remove a screw which secure the door plate and door frame 3 Remove the door frame from door plate 4 Remove the stopper hinge top from door plate 5 Remove the spring and the hook 6 Remove the supporter barrier screen outer from door frame 7 Remove the barrier screen outer from door frame 8 Remove the decorater door rrom door frame 9 Reverse the above steps for reassembly 4 Method to reduce the gap between the door seal and the oven front surface 1 To reduce gap located on part A Loosen screw on stopper hinge top and then push the door to contact the door seal to oven front surface Tighten a screw 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 NOTE A small gap be acceptable if the microwave leakage does not exceed 1 1112 26 DOOR ASSEMBLY KOR 634RO0S 3511712140 5 KOG 374R0S REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3512203850 FRAME DOO
46. L Used to cook GRILL 10 POWER Used to set power level 11 DEFROST 12 KITCHEN TIMER Used as a minute timer to delay the start of cooking or to set a holding time after cooking 13 CLOCK Used to set clock 14 STOP CLEAR Used to stop the oven operation or to delete the cooking data 15 START SPEEDY COOK Used to start the oven and also used to set a reheat time 12 2 KOG 371H0S 391 05 SS Fresh Vegetable Beverage Dish Warmer Auto Defrost Pasta Meat Fish Poultry STOP START CLEAR SPEEDY COOK 10 DEFROST 11 KITCHEN TIMER Used as a minute timer to delay the start of cooking or to set a holding time after cooking 12 CLOCK Used to set clock 13 STOP CLEAR Used to stop the oven operation or to delete the cooking data 14 START SPEEDY COOK Used to start the oven and also used to set a reheat time 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 MORE Used to add time to cooking LESS Used to remove time from cooking AUTO DEFROST Used to defrost foods for weight COMBI Used to cook COMBI GRILL Used to cook GRILL POWER Used to set power level 13 3 KOG 376T1S KOG 396T1
47. L SCREW TT2 TRS 4X8 SE MFZN 0 F47 3511405100 COVER WAVE GUIDE MICA 0 F48 3517400620 COUPLER XAREC 0 F49 3514700710 ROLLER TEFLON X Fso LL 3512517300 GUIDE ROLLER PP 5113MF6 A353B X 3512517500 GUIDE ROLLER AS KOR 63150S 0 51 3517203600 TRAY GLASS 0 F52 3517206900 TRAY RACK AS KOG 37150S 110MM 0 96 EXPLODED VIEW AND PARTS LIST lt KOG 373R0S KOG 393R0S gt 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY d um P 99 97 1 373 0 REFNO PART CODE PART NAME DESCRIPTION QTY 00 3511712170 DOOR AS 633505 1 00 PKCPSWZ600 CONTROL PANEL AS KOG 373R0S 1 C00 3513302700 HEATER AS 37150 1 01 3510801310 CABINET SECC 1 02 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 3 F03 3516109610 CAVITY AS CAVITY AS 1 F04 7392500008 NUT HEX 6N 2 5 2 F05 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F06 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 1 F07 7121300611 SCREW TAPPING 25 PAN 3X6 MFZN 1 F08 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F09 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 2 F10 35113A5QJ5 CORD POWER AS 3X1 5 80X80 120 RTML 1 4M 1 F12 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F13
48. LVT1 DMR 631FS 035303 1 33 WIRE COPPER J3 J5 J10 Sut 1 0 52 TIN COATING 85801052GY 8 7 5mm 34 WIRE COPPER J4 1 0 52 TIN COATING 85801052GY 2 10 0mm 35 WIRE COPPER J2 1 0 52 TIN COATING 85801052GY 1 12 5mm 36 WIRE FLAT WF1 15 90 C 159007 1 37 PCB SUB M170 70 X 197 3514321230 1 SUBPCB 38 CONNECTOR WAFER CN101 HLEM15R 1 4CW215RBDO 1 39 R CARBON FILM R101 R102 1 6W 1K 5 RD AZ102J 2 40 SW ROTARY SW107 SDB161PVB17F 123636 5510109002 1 41 SW TACT SW101 SW106 KPT 1115AM 5550101293 6 42 WIRE COPPER J101 1 0 52 TIN COATING 85801052GY 1 10mm 82 EXPLODED VIEW AND PARTS LIST lt KOG 371G H ROS KOG 391 G H ROS gt 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 9 9 F10 F04 906 6666 09 tij an bod 9 9 2 e 83 1 KOG 371G0S 371H0S 371R0S REFNO PART CODE PART NAME DESCRIPTION QTY 00 3511710300 DOOR AS 63150 1 B00 3516721610 CONTROL PANEL AS KOG 371G0S 1 3516721600 CONTROL PANEL AS KOG 371H0S 1 B01 3516721630 CONTRON PANEL AS KOG 371R0S 1 01 3510801310 CABINET SECC 1 F02 7112401011 SPECIAL SCREW T1 TRS 4X10 MFZ
49. N 3 F03 3516109610 CAVITY AS CAVITY AS 1 F04 7392500008 NUT HEX 6N 2 5 2 F05 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F06 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 1 F07 7121300611 SCREW TAPPING 25 PAN 3X6 MFZN 1 F08 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F09 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 2 F10 35113A5QJ5 CORD POWER AS 3X1 5 80X80 120 RTML 1 4M 1 F12 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F13 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F15 1 NUT FLANGE 5 0 80 MFZN 1 F16 4414425110 FUSE 250V 15A 65TS 1 4414425100 FUSE 250V 15A MDA15 1 F17 3518606100 NOISE FILTER DWLF M13 1 F18 7121402511 SCREW TAPPING 25 PAN 4X25 MFZN 2 F19 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 1 3963512310 MOTOR SHADED POLE 230 20W MW10CA M02 1 F20 3512517000 GUIDE WIND PP 1 F21 3511800300 FAN PP 30 GLASS 1 F22 3518002200 MAGNETRON 2M218H MF 1 F23 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F24 1 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 1 F25 3513003200 HOLDER HV CAPACITOR SECC 1 F26 3518302200 CAPACITOR HV 2100 0 98 7 1 F27 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F28 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F29 3518113700 TRANS HV DY N80S0 63T 1 30 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F31 3510311700 BASE SBHG 1 F32 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 5 84
50. NE 1 3518521600 KOG 371H0S 02 3516719400 CONTROL PANEL ABS XR 401 H 2938 1 B03 3514320800 PCB MAIN AS KOG 371G0S 1 B04 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 3 805 3513702700 LEVER DOOR OPEN ABS XR 401 H 2938 1 B06 441G430171 SPRING BUTTON SWP DIAO 7 1 B07 3516906900 BUTTON DOOR OPEN ABS XR 401 H2938 1 2 KOG 391G0S 391H0S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK 3518521700 KOG 391G0S 801 SWITCH MEMBRANE 1 3518521710 KOG 391H0S 02 3516720200 CONTROL PANEL ABS XR 401 H 2938 1 B03 3514321000 PCB MAIN AS KOG 391G0S 1 B04 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 3 B05 3513702700 LEVER DOOR OPEN ABS XR 401 H 2938 1 B06 441G430171 SPRING BUTTON SWP DIAO 7 1 B07 3516906900 BUTTON DOOR OPEN ABS XR 401 H2938 1 33 1 Remove the screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 3 4 5 6 7 Remove the door open lever from the control panel Remove four screws which secure the PCB assembly to control panel Disconnect membrane tail from the connector of the PCB assembly Detach membrane from the control panel Remove door open button and button spring from the control panel Reverse the above steps for reassembly tg XS EM 3 KOG 376T1S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK
51. NG T1 TRS 4X10 MFZN 1 F13 7122401211 SCREW TAPPING 25 TRS 4X12 MFZN 1 F14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F15 1 NUT FLANGE 5 0 80 MFZN 1 F16 4414425110 FUSE 250V 15A 65TS 1 4414425100 FUSE 250V 15A MDA15 1 F17 3518606100 NOISE FILTER DWLF M13 1 F18 7121402511 SCREW TAPPING 25 PAN 4X25 MFZN 2 F19 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 1 3963512310 MOTOR SHADED POLE 230 20W MW10CA M02 1 F20 3512517000 GUIDE WIND PP 1 F21 3511800300 FAN PP 30 GLASS 1 F22 3518002200 MAGNETRON 2M218H MF 1 F23 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F24 1 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 1 F25 3513003200 HOLDER HV CAPACITOR SECC 1 F26 3518302200 CAPACITOR HV 2100 0 98 7 1 F27 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F28 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F29 3518114800 TRANS HV DY N90S0 86T B 1 F30 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F31 3510311900 BASE SBHG 1 F32 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 5 100 REFNO PART CODE PART NAME DESCRIPTION Q TY F33 3512100900 FOOT PP DASF 130 2 F34 1 SPECIAL SCREW TT2 TRS 4X8 MFZN 1 F35 3515201101 STOPPER HINGE U SCP 1 1 36 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F37 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 1 8 4 2 SW MICRO VP 533A OF SPNO 187 200G 2 F39 3513702610 LEVER LOCK POM 1 F40 3513811710 L
52. OCK POM 1 F41 3513601600 LAMP BL 240V 25W T25 C7A H187 1 F42 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F43 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 3966310110 MOTOR SYNCRO 220 2 5W M2LJ49ZT52 1 F44 3518905300 THERMOSTAT OFF 75 ON 65 187 NB 1 F45 3513003400 HOLDER THERMOSTAT PBT 1 F46 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F47 4078502031 BUTTON LOCKING PP HONAM A353 2 F48 3511405100 COVER WAVE GUIDE MICA 1 F49 3517400620 COUPLER XAREC 1 F50 3514700900 ROLLER TEFLON 3 F51 3512509210 GUIDE ROLLER PP 1 3512510620 GUIDE ROLLER AS KOR 61150S 1 F52 3517203500 TRAY GLASS 1 F53 3517206900 TRAY RACK AS KOG 37150S 110MM 1 101
53. PPROX 16Kg 35 3 Ibs TIMER 60 min 00 sec FUNCTION SELECTIONS MICROWAVE GRILL COMBINATION POWER SELECTIONS 4 LEVELS CAVITY VOLUME MODEL 0 7 Cu Ft 0 9 Cu Ft KOG 373R0S KOG 393R0S POWER SUPPLY 230 50Hz SINGLE PHASE WITH EARTHING MICROWAVE 1200W 1350W POWER CONSUMPTION GRILL 1050W 1050W COMBINATION 2200W 2350W MICROWAVE ENERGY OUTPUT 800W 950W MICROWAVE FREQUENCY 2450 MHz OUTSIDE DIMENSIONS WXHXD 465X279X365mm 495X294X392mm 18 3X11 0X14 4 in 19 5X11 6X15 4 in CAVITY DIMENSIONS WXHXD 290X220X306mm 320X244X338mm 11 4X8 7X12 0 in 12 6X9 6X13 3 in NET WEIGHT APPROX 14Kg 30 9 Ibs APPROX 16Kg 35 3 Ibs TIMER 59 min 90 sec FUNCTION SELECTIONS MICROWAVE GRILL COMBINATION POWER SELECTIONS 5 LEVELS CAVITY VOLUME 0 7 Cu Ft 0 9 Cu Ft EXTERNAL VIEW 1 OUTER DIMENSION 1 KOG 371G H0S KOG 391G H0S 465 495 7 360 388 A amp 5 SSS 2 KOG 376T1S KOG 396T1S 3 KOG 373R0S KOG 393R0S 465 495 365 392 279 294 4 371 05 KOG 391R0S
54. R ABS XR 401 H 2938 1 A02 3517005620 BARRIER SCREEN O TEMP GLASS T3 2 1 A03 3515204100 STOPPER HINGE T AS 63150 1 A04 3511706120 DOOR PAINTING AS KOR 634R0S 1 A05 3517002800 BARRIER SCREEN I 0 1T 1 A06 3512300200 GASKET DOOR PP 1 A07 3513100730 HOOK POM BLACK 1 A08 3515101310 SPRING HOOK HSW 3 1 A09 7001503311 SCREW MACHINE PAN 5X33 MFZN 2 A10 3512603210 HANDLE DOOR STEEL NI CR 1 A11 3511601500 DECORATOR LOGO AL T1 5 1 A12 3511604610 DECORATOR DOOR U STS 0 6 1 A13 3511604600 DECORATOR DOOR T STS 0 6 1 A14 3516003940 SPECIAL DOUBLE TAPE H0 SUNG 550M 1 27 Remove the spring and the hook Remove the barrier screen outer from door frame Remove the stopper hinge top from door weld as Reverse the above steps for reassembly 4 Method to reduce the gap between the door seal and the oven front surface 1 To reduce gap located on part A Loosen two 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 5 a 0 E Ium ccm NOTE A sma
55. R CERA CR1 KBR 4 0MSTF 5PKBR40MKS 1 33 SW RELAY RY1 3 G5G 1A DC24V 55 0101122 2 34 SW RELAY RY2 OJ SS 124LM 55 0101405 1 35 MICOM 404318 085 147S636T00 1 36 PCB MAIN M163 M163 3514321120 1 37 LED LED101 DLSR 302D 5 5 DDLSR302D1 1 SUB 38 WIRE FLAT WF1 1 25X15X90CWH WSJ 159007 1 39 SW SW102 105 KPT 1115AM 5550101293 4 40 SW ROTARY SW101 SDB161PVB17F 123636 5810109002 1 41 VR ROTARY VR101 RPO9PV 5V1104103B 1 42 CONNECTOR WAFER CN101 HLEM15R 4CW215RBDO 1 43 RESISTOR R101 102 1 6 1K 5 RD AZ102J 2 44 RESISTOR R103 1 4 1K 5 RD AZ102J 1 45 CAPACITOR CERA C101 104 50V Z AXIAL CCZF1H104Z 1 46 WIRE COPPER J101 103 1 0 52 TIN COATING 85801052GY 3 47 PCB SUB M164 M164 3514321210 1 64 2 KOG 396T1S NO NAME SYMBOL SPECIFICATION PART CODE REMARK 1 BUZZER BZ1 BM 20K 3615600100 1 MAIN 2 CARRAY 1 5P 6 102 M 50V CN4XB 102M 1 3 CAPACITOR ELEC EC1 2 50 RSS 10 0 6 2 4 CAPACITOR ELEC EC3 50 RSS 470uF CEXE1H471V 1 5 CONNECTOR WAFER CN1 YW396 02AV 3519150520 1 6 CONNECTOR WAFER CN2 HLEM15S 1 4CW215SBDO 1 7 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 8 DIODE SWITCH D1 4 1N4148 DZN4148 4 9 DIODE RECTIFY 05 11 1N4004A DZN4004A 7 10 DIODE ZENER 201 MTZ 3 9VB DZUZ3R9BSB 1 1
56. R WAFER CN101 HLEM15R 4CW215RBDO 1 43 RESISTOR R101 102 1 6 1K 5 RD AZ102J 2 44 RESISTOR R103 1 4 1K 5 RD AZ102J 1 45 CAPACITOR CERA C101 104 50V Z AXIAL CCZF1H104Z 1 46 WIRE COPPER J101 103 1 0 52 TIN COATING 85801052GY 3 47 PCB SUB M164 M164 3514321210 1 65 PRINTED CIRCUIT BOARD lt KOG 371R0S KOG 391R0S gt 1 CIRCUIT CHECK PROCEDURE 1 Low voltage transformer check The low voltage transformer is located on the P C B Measuring condition Input voltage 230 Frequency 50Hz Terminal Voltage LOAD NO LOAD 4 7 AC 25 8 V EE S SR SS EOS CR ACE I NOTE l 1 Refer to Ciruit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage LE 2 Voltage Check Key check point NO CHECK POINT REMARK 1 IC1 PIN 2 21 30 34 5VDC 2 IC1 PIN 35 0 5V T 20ms 50Hz 3 IC1 PIN 31 OR 32 rz 5 T T 250 ns 4MHz Check method NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 DC 5
57. R ZD1 MTZ 5 1VB DZTZ5R1B11 1 11 DIODE ZENER ZD2 MTZ 3 9VB 1 2W DZTZ3R9B 1 12 LED DISPLAY DP1 DDG 631H DDDG631H 1 13 ARRAY RA1 5P 4 1 8 100K J RA 85X104J 1 14 R CARBON FILM Ri R7 1 6W 330 5 RD AZ331J 7 15 R CARBON FILM Re 10 12 14 20 1 6W 1K 5 RD AZ102J 5 16 R CARBON FILM R11 1 6W 100K 5 RD AZ104J 1 17 R CARBON FILM R13 1 6W 100 5 RD AZ101J 1 18 R CARBON FILM R15 17 1 6W 10K 5 RD AZ103J 3 19 R CARBON FILM R18 1 6W 1M 5 RD AZ105J 1 20 R CARBON FILM R19 1 4W 27 5 RD 4Z270J 1 21 R CARBON FILM R21 1 6W 4 7K 5 RD AZ472J 1 22 REGULATOR VL1 MC7905C 1MC7905C 1 23 TRANSISTOR Q1 5 7 10 KRA 106M TZRA106M 9 24 TRANSISTOR Q6 KTA 1266Y TZTA1266Y 1 25 TRANS POWER LVT1 DMR 631FS 5EPV035303 1 26 WIRE COPPER J1 J17 1 0 52 TIN COATING 85801052GY 17 27 IC MICOM TMP47C440BN 1A49 13GS371R00 1 28 CR1 KBR 4 0MSTF 5PKBR40MKS 1 29 SW RELAY RY1 3 G5G 1A DC12V 5500101121 2 30 SW RELAY RY2 658 5SC0101110 1 31 C6 102 50V Z AXIAL CCZB1H102K 1 32 1 5 7 104 50 Z AXIAL 00 6 33 PCB SUB M161 70X122 3514321200 1 SUB PCB 34 SW TACT SW102 107 KPT 1115AM 5550101293 6 35 SW ROTARY SW101 SDB161PVB17F 123636 5510109002 1 36 CARBON FILM 101 102 1 6W 1K 5 RD AZ102J 2 37 WIRE FLAT WF1 1 25X15X90XCWH SWJ 159007 1 38 WIRE COPPER J101 1 0 52 TIN COATING 85801052GY 1 39 CONNECTOR WAFER CN101 HLEM15R 1 4CW215RBD 1 70 2 391 05
58. S Display Cooking time power level indicators and present time are displayed 2 Clock Used to set clock P 913 35 Cook Used to start operation also for easy start each press adds 30 seconds microwave cooking time Stop Clear Used to stop the operation or to delete the cooking data Auto Cook Used to cook using a program Knob Turm to set the cooking menu and select a microwave power level Knob Dial for setting time and weight You can also extend the time of the current operation by 1 minute by turning the dial knob except defrosting 14 4 KOG 371R0S KOG 391R0S Grill Combi 3 Power Def 1 Dinner plate Auto cook 2 Soup 3 Beverage 4 Fresh vegetable Start Easy cook Stop Clear N R N Display Cooking time power level indicators and present time are displayed Grill Combi Used to cook GRILL or COMBI Power Def Used to set power level and DEFROST Auto cook Used to cook using a program or to reheat Start Easy cook Used to start the oven operation and also increase the reheat time by 30 seconds Stop Clear Used to stop the oven operation or to erase all entries Clock Used to set clock Dial Knob Used to set the time and weight 15 4 KOG 374R0S Power Def Grill Combi 1 Dinner Plate 2 Sou 3 Beverage 4 Fresh Vegetable Stop Clear Start
59. S 4X12 MFZN 8 B11 3516904600 BUTTON FUNCTION ABS XR 401 2 37 A b 2 a s o ah a A eo 9 KOG 373R0S PART CODE PART NAME DESCRIPTION QTY REMARK B01 3515501540 WINDOW DISPLAY PMMA 1 B02 3516723730 CONTROL PANEL ABS SG 175 1 B03 3516907530 BUTTON FUCTION A ABS SG 175 1 B04 3516907540 BUTTON FUCTION B ABS SG 175 1 B05 3513405240 KNOB VOLUME ABS 1 B06 PKBPMSZ300 PCB SUB AS KOG 373R0S 1 B07 7621301011 SCREW TAPPING T2 PAN 2X10 PW MFZN 4 B08 PKMPMSZ600 PCB MAIN AS KOG 373R0S 1 B09 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 3 10 KOG 393R0S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK 801 3515501540 WINDOW DISPLAY PMMA 1 B02 3516723730 CONTROL PANEL ABS SG 175 1 3516907530 BUTTON FUCTION A ABS SG 175 1 B04 3516907540 BUTTON FUCTION B ABS SG 175 1 B05 3513405240 KNOB VOLUME ABS SG 175 1 BO06 PKBPMSZ300 PCB SUB AS KOG 373ROS 1 B07 7621301011 SCREW TAPPING T2 PAN 2X10 PW MFZN 4 B08 PKMPMST500 PCB MAIN AS KOG 393R0S 1 B09 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 3 38 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 PCB assembly to control panel 4 Disconnect membran
60. T 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 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 immediately IMPORTANT E I The wire in this mains lead coloured in accordance with the following code Green and yellow Earth Blue Neutral Brown Live As the colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E symbol or coloured green and yellow The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black The wire which is coloured brown must be connected to the terminal which is marked wit
61. TON DOOR OPEN ABS 1 35 7 KOG 374R0S s CONTROL PANEL ASSEMBLY KUG J74R05 REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3513404620 KNOB VOLUME ABS XR 401 H 2938 1 B02 3511604510 DECORATOR C PANEL STS T0 6 1 B03 3516003910 SPECIAL DOUBLE TAPE SUNG 550M T0 15 1 B04 3515501530 WINDOW DISPLAY PMMA T2 0 1 B05 3516721460 CONTROL PANEL ABS XR 401 H 2938 1 B06 3516907430 BUTTON FUNCTION ABS XR 401 COATING 1 B07 PKBPMSZY00 SUB PCB AS KOR 634ROS 1 B08 7121401611 SCREW TAPPING T2S PAN 4X16 MFZN 3 B09 PKMPMSZ100 MAIN PCB AS KOR 374R0S 1 B10 7621301011 SCREW TAPPING T2S TRS 4X12 MFZN 8 B11 3516906320 BUTTON FUNCTION ABS XR 401 COATING 2 36 8 KOG 375R0S S ey Sy SS RS W SS CONTROL PANEL ASSEMBLY KOG 375R08 PKCPSWZ200 REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3513403800 KNOB VOLUME ABS XR 401 H 2938 1 B02 3511604530 DECORATOR C PANEL STS 0 6 1 B03 3516003960 SPECIAL DOUBLE TAPE SUNG 550M T0 15 1 B04 3515501530 WINDOW DISPLAY PMMA T2 0 1 05 3516723700 CONTROL PANEL ABS XR 401 H 2938 1 06 3516907440 BUTTON FUNCTION ABS XR 401 1 B07 PKBPMSZY00 SUB PCB AS KOR 634R0S 1 B08 7121401611 SCREW TAPPING T2S PAN 4X16 MFZN 3 B09 PKMPMSZ100 MAIN PCB AS KOR 374R0S 1 B10 7621301011 SCREW TAPPING T2S TR
62. V 0 25V Replace VL1 EC1 NO LOAD 2 MP2 DC 12V 2 0V Replace EC2 D6 11 12 NO LOAD w E i M NOTE Each measure point must be measured with GND points a az mmm Rei mad Gud Rd l 66 dT rd 21 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 gt refer to Circuit Diagram point 2 Check method POINT STATE 5 RELAY 1 ON 5VDC GND RELAY 1 OFF GND 12VDC 4 When there is no grill oscillation Cause RELAY does not operate refer to Circuit Diagram point 6 Check method POINT STATE is E RELAY 3 ON 5VDC GND RELAY 3 OFF GND 12VDC 5 When the door is opened during operation the count down timer does not st
63. ay are not on when they numbers is H 8 the display a mi M W Daf Grill Combi Timar g 3 One or more digits in the display are not on when they should be 4 Display indicates a number different from one touched 5 Specific numbers for example 2 or 3 will not display when the panel is touched 6 Display does not count down or up with time cooking or clock operation 7 Oven is programmable and cooks normally but no display shows 8 Display obviously jumps in time while counting down 9 Display counts down noticeable too fast while cooking 10 Display does not show the time of day when dlear 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 Check rach pad for pi meme gt Malfunction Replace not show continuity of the membrane of touch control box programming keyboard for the following control circuit sub assembly at all even if keyboard check procedure of control box keyboard is sub assembly touched Abnormal gt Malfunction Replace the of the membrane membrane keyboard keyboard CC Nc NOTE KOG 371G H KOG 391G H Before following the particular steps listed above in the tr
64. c 15cc of tap water initially at 20 5 C 68 9 F in the 600 cc glass beaker with an inside diameter of approx 95 mm 3 5 in 3 Place it at the center of the tray and set it in a cavity 4 Close the door and operate the oven 5 Measure the leakage by using Microwave Energy Survey Meter with dual ranges set to 2450 2 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 2 When measuring the leakage always use the 5 cm 2 in 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 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 50 3 COMPONENT TEST PROCEDURE High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle lt is neither necessary nor advisable to attempt measurement of the high voltage Before touching any oven components or wiring always
65. ce 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 is difference between initial and ending temperature tis the heating time The power measured be B Refer to SPECIFICATIONS W 10 0 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 Heating time for power output A secong 70 64 60 56 52 49 47 44 42 40 38 W 600 650 700 750 800 850 900 950 1000 1050 1100 49 2 MICROWAVE RADIATION TEST ETER P M ccc CAUTION unit under the test 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 70 PROCEDURE 1 Prepare Microwave Energy Survey Meter 600cc glass beaker and glass thermometer 100 C 212 F 2 Pour 275c
66. d Adjustment TROUBLE 2 Display shows all figures selected but oven does not start cooking even though desired program and time are set and start pad is tapped CONDITION CHECK RESULT CAUSE REMEDY Turntable _ Check continuity of primary No Malfunction of Adjust or motor and interlock switch Continuity primary interlock replace oven lamp switch do not turn on Check continuity of secondary I No Malfunction of Adjust or interlock and D O M switches Continuity primary interlock replace and D O M switch Check D C voltage being 0v Defective touch gt Replace supplied to RELAY RY2 coil control circuit Approx gt Faulty contacts of nena 15 VDC RELAY RY2 or open relay coil 46 TROUBLE 3 microwave oscillation even though fan motor rotates CONDITION CHECK RESULT CAUSE REMEDY _ No Check continuity of high No microwave voltage fuse Continuity oscillation Replace high voltage fuse Check continuity if high gt Continuity gt Defective high gt Replace voltage capacitor terminals voltage with wires removed transformer Check continuity of high voltage gt Continuity in gt Def
67. does not operate gt refer to Circuit Diagram point 2 Check method POINT STATE 5 RELAY 1 ON 5VDC GND RELAY 1 OFF GND 12VDC 4 When there is no grill oscillation Cause RELAY does not operate refer to Circuit Diagram point 6 Check method POINT STATE is E RELAY 3 ON 5VDC GND RELAY 3 OFF GND 12VDC 5 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram point 1 Check method POINT STATE 2 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO HETHOD REMEDY 1 Check the stage ON OFF of the door open monitor Replace door open monitor switch switch by resistance measurement refer to Circ 6 When the digital clock does not operate properly uit Diagram point 5 POINT WAVE FORM A T 20 ms 50Hz If clock does not keep exact time you must check resistor R15 16 zener diode ZD1 56 2 P C B CIRCUIT DIAGRAM pp p esp 9 mel as unm M T Wi EE 1 ST PT c emi all 3 I He 1 I 1 1 i 1 i E ay m aam a nu 11 1 El 11 II il 1 ii 7 ii il T 1 I ii 11 T n LL Im 1 LL CE it I il
68. door to contact the door seal to oven front surface f A Tighten a screw gt 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 I NOTE A small gap may be acceptable if the microwave leakage does not exceed 1 cU 24 3 KOG 376T1S REF PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512203830 FRAME DOOR ABS 1 A02 3517005610 BARRIER SCREEN 0 PMMA 1 5t 1 A03 3515306500 SUPPORTER BARR S 0 ABS 1 A04 3511603800 DECORATOR DOOR ABS 1 A05 3511706100 DOOR PAINTING AS KOR 61150S 1 A06 3517002800 BARRIER SCREEN KOR 61150S 0 11 1 07 3515204110 STOPPER HINGE T AS KOR 636T1S SCP 12 6 1 1 A08 3515101310 SPRING HOOK HSW 3 1 A09 3513100730 HOOK KOR 6325 POM 1 A11 7122401211 SCREW TAPPING 25 TRX 4X12 MFZN A12 3512300200 GASKET DOOR KOR 61150S PP 1 4 KOG 396T1S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512204130 FRAME DOOR ABS 1 A02 3517005710 BARRIER SCREEN 0 PMMA 1 5t 1 A03 3515306600 SUPPORTER BARR S 0 ABS 1 A04 3511604000 DECORATOR DOOR ABS 1 A05 3511711800 DOOR PAINTING AS KOR 866T1S 1 A06 3517006000 BARRIER SCREEN KOR 866T1S 0 11 1 07 3515204110 STOPPER HINGE AS
69. e door is opened while the 2 KOG 376T1S KOG 396T1S 1 DOOR SEAL Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage REFLECTOR Insulator Heater HEATING ELEMENT OVEN CAVITY SEFETY INTERLOCK SYSTEM CONTROL PANEL METAL RACK COUPLER This fits over the shaft in the center of the ovens cavity floor This is to remain the oven for all cooking 9 ROLLER GUIDE This must always be used for cooking together with the glass cooking tray 10 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 11 DOOR VIEWING SCREEN Allows viewing of food The screen is designed so that light can pass through but not the microwave 12 DOOR HOOK When the door is closed it will automatically shut off If the door is opened while the oven is operating the magnetron will immediately stop operating N OI R N 3 KOG 371R0S KOG 391R0S D 1 DOOR SEAL Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage REFLECTOR Insulator Heater HEATING ELEMENT OVEN CAVITY SEFETY INTERLOCK SYSTEM CONTROL PANEL DOOR OPENING BUTTON METAL RACK COUPLER This fits over the shaft in the center of the ovens cavity floor This is to remain in the oven for all cooking 10 ROLLER GUIDE This must always b
70. e tail from the connector of the PCB assembly 5 Detach membrane from the control panel 6 Remove door open button and button spring from the control panel 7 Reverse the above steps for reassembly 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 prevent microwave leakage Whenever repair work is carried out on magnetron check the microwave leakage It shall not exceed 4mW cm for a fully assembled oven with door normally closed 0 39 Metallic Magnetron antenna Wave guide Magnetron antenna Filament lt terminal Metallic gasket plate 8 To remove wind guide assembly 1 Remove a screw for earthing 2 Remove the noise filter from the wind guide Remove a screw which secure the wind guide assembly Draw forward the wind guide assembly Pull the fan from the motor shaft Remove two screws which secure the motor shaded p
71. e used for cooking together with the glass cooking tray 11 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 12 DOOR VIEWING SCREEN Allows viewing of food The screen is designed so that light can pass through but not the microwave 13 DOOR HOOK When the door is closed it will automatically shut off If the door is opened while the oven is operating the magnetron will immediately stop operating DAN O Oi R N 4 374805 1 DOOR SEAL Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage REFLECTOR Insulator Heater HEATING ELEMENT OVEN CAVITY SEFETY INTERLOCK SYSTEM METAL RACK COUPLER This fits over the shaft in the center of the ovens cavity floor This is to remain in the oven for all cooking ROLLER GUIDE This must always be used for cooking together with the glass cooking tray 9 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 10 DOOR VIEWING SCREEN Allows viewing of food The screen is designed so that light can pass through but not the microwave 11 DOOR HOOK When the door is closed it will automatically shut off If the door is opened while the oven is operating the ma
72. ective high gt Replace rectifier in forward and backward backward voltage rectifier direction with DC megger direction Connect megger leads to gt _ Continuity Defective gt Replace magnetron terminal and magnetron magnetron body Check resistance of primary and gt 000 gt Defective high gt Replace secondary coil of high voltage voltage transformer transformer 5 gt 2 gt Replace Check continuity of magnetron Continuity Defective with wires removed magnetron Check continuity of filament gt No gt Defective high Replace terminal of high voltage Continuity voltage transformer transformer gt 0 Repl Check D C voltage being Defective touch A supplied to RELAY RY1 coil control circuit Approx gt Faulty gt Replace 15 VDC contacts or RELAY RY1 or open relay coil 47 TROUBLE 4 The following visual conditions inditions indicate a probable defective touch control circuit or membrane switch assembly i 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 c 2 A distinct change in the displ
73. event the danger resulting from the leakage of microwave Mounting acne b CLOSE Condon DOOR PEN 1 Primary 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 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 minitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ON condition ADJUSTMENT Interlock monitor switch When the door is closed the interlock monitor switch should be changed NO condition before other switches are closed When the door is opened the interlock monitor switch should be changed NC condition after other switches are opened 3 Adjustment steps a Loosen the one mounting screw b Adjust interlock switch assmbly position c Make sure that lock lever moves smoothly after adjustment is completed d Tighten completely one mounting screw mm NOTE Microwave emission test should be performed after adjusting interlock mechanism If the microwave emission exceed 4 mW cm readjust interlock mechanism LU 43 INTERLOCK MECHANISM AND
74. fer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 1 374 05 93 1 KOG 374R0S NO PARTCODE PART NAME DESCRIPTION SUPPLY REMARK A00 Refer to 6 DOOR AS Refer to 6 Disassembly and 9 800 Disassembly and CONTROL PANEL AS 2 y 0 assembly INSULATOR HEATER AS 0 201 3510801310 SECC 0 Fo2 7112401011 SPECIAL SCREW T1 TRS 4X10 MFZN 0 F03 3516109610 CAVITY AS 371505 0 04 7392500008 NUT HEX 6N 2 5 0 205 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 0 206 3518904500 THERMOSTAT OFF 100 ON 90 HN 187 0 F07 7121300611 SCREW TAPPING 25 PAN 3X6 MFZN 0 208 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 0 09 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 0 F10 35113A5QJ5 CORD POWER AS 3X1 5 80X70 120 RTML 0 F12 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 0 F13 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 0 F14 74001 NUT FL M5X0 8P MFZN 0 pig 4414A25110 FUSE 250V 15A 6515 0 440 FUSE 250 F16 3518606100 NOISE FILTER DWLF M13 0 F17 7121402511 SCREW TAPPING T2S PAN 4X25 MFZN 0 F18 3512517000 GUIDE WIND PP 0 Fig 0 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 0 3963512310 MOTOR SHADED POLE 230V 20W MW10CA M02
75. gnetron will immediately stop operating OO R 5 375805 1 DOOR SEAL Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage REFLECTOR Insulator Heater HEATING ELEMENT OVEN CAVITY SEFETY INTERLOCK SYSTEM METAL RACK COUPLER This fits over the shaft in the center of the ovens cavity floor This is to remain in the oven for all cooking ROLLER GUIDE This must always be used for cooking together with the glass cooking tray 9 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 10 DOOR VIEWING SCREEN Allows viewing of food The screen is designed so that light can pass through but not the microwave 11 DOOR HOOK When the door is closed it will automatically shut off If the door is opened while the oven is operating the magnetron will immediately stop operating O R N 10 6 373805 KOG 393R0S 4 8 a do 9 6 0 1 DOOR SEAL Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage REFLECTOR Insulator Heater HEATING ELEMENT OVEN CAVITY SEFETY INTERLOCK
76. h the letter L or coloured red s I NOTE This oven is designed for counter top use only SPECIFICATIONS MODEL KOG 371G H ROS KOG 374R 5R0S KOG 391G H ROS POWER SUPPLY 230 50Hz SINGLE PHASE WITH EARTHING MICROWAVE 1200W 1350W POWER CONSUMPTION GRILL 1050W 1050W COMBINATION 2200W 2350W MICROWAVE ENERGY OUTPUT 800W 900W MICROWAVE FREQUENCY 2450 MHz OUTSIDE DIMENSIONS WXHXD 465X279X360mm 495X294X388mm 18 3X11 0X14 2 in 19 5X11 6X15 3 in CAVITY DIMENSIONS WXHXD 290X220X306mm 320X244X338mm 11 4X8 7X12 0 in 12 6X9 6X13 3 in NET WEIGHT APPROX 14Kg 30 9 Ibs APPROX 16Kg 35 3 Ibs TIMER 59 min 90 sec FUNCTION SELECTIONS MICROWAVE GRILL COMBINATION POWER SELECTIONS 10 LEVELS 5 LEVELS CAVITY VOLUME 0 7 Cu Ft 0 9 Cu Ft POWER SELECTIONS KOG 371R 391R0S 5 LEVELS MODEL KOG 376T1S KOG 396T1S POWER SUPPLY 230 50Hz SINGLE PHASE WITH EARTHING MICROWAVE 1200W 1350W POWER CONSUMPTION GRILL 1050W 1050W COMBINATION 2200W 1350W MICROWAVE ENERGY OUTPUT 800W 950W MICROWAVE FREQUENCY 2450 MHz OUTSIDE DIMENSIONS WXHXD 465X279X370mm 495X294X403mm 18 3X11 0X14 6 in 19 5X11 6X15 9 in CAVITY DIMENSIONS WXHXD 290X220X306mm 320X244X338mm 11 4X8 7X12 0 in 12 6X9 6X13 3 in NET WEIGHT APPROX 14Kg 30 9 Ibs A
77. he oven stops cooking and all information retained To erase all infomation 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 11 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 not start cooking under the door is completely closed or the program has been reset 12 When using the GRILL or COMBI mode Do not open the door so often the temperature inside the oven derease and the cooking may not be completed in setting time Never touch the oven window and metal interior of the oven when taking food in and out because the temperature inside the oven and door is very high When using these modes be careful as the tray will be hot to touch use oven gloves or pot holders while handling tray ON r I Make the oven is properly installed and plugged into the electrical outlet 1 Wattage output chart The power level is set by pressing the power pad The chart shows the display the power level and the percentage of power Touch Power pad Power level Display Approximate Percentage of Power or button A B A B Once P H1 P HI 100 100 Twice P 90 P 80 90 80 3 times P 80 P 60 80 60 4 times P 70 P 40 70 40 5 times P 60 P 20 60 20 6 times P 50 5096 7 times P 40 40 8 times P 30 3096
78. ll gap may be acceptable if the microwave leakage does not exceed U ee ee 28 6 KOG 375R0S DOOR ASSEMBLY 01 635705 3511712150 REF NO PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512203850 FRAME DOOR ABS XR 401 H 2938 1 A02 3517005620 BARRIER SCREEN O TEMP GLASS T3 2 1 A03 3515204100 STOPPER HINGE T AS 63150 1 A04 3511706120 DOOR PAINTING AS KOR 634R0S 1 A05 3517002800 BARRIER SCREEN I PE 0 1T 1 A06 3512300200 GASKET DOOR PP 1 A07 3513100730 HOOK POM BLACK 1 A08 3515101310 SPRING HOOK HSW 3 1 A09 7122401611 SCREW TAPPING T2SN TRS 4X16 MFZN 2 A10 3512603300 HANDLE DOOR U ABS XR 401 H 2938 1 A11 3512603400 HANDLE DOOR STS 0 6 1 A12 3511601500 DECORATOR LOGO AL T1 5 1 A13 3511604610 DECORATOR DOOR U STS T0 6 1 A14 3511604600 DECORATOR DOOR T STS 0 6 1 A15 3516003940 SPECIAL DOUBLE TAPE SUNG 550M T0 15 1 1 Remove the gasket door from door plate 2 Remove the barrier screen inner from door plate 3 Remove the door frame from door plate 5 Remove the spring and the hook 6 Remove the barrier screen outer from door frame 1 2 3 4 Remove the stopper hinge top from door plate 5 6 7 7 Reverse the above steps for reassembly 29 4 Method to reduce the gap between the door seal and the oven front surface 1 To reduce gap located on part A Loosen two
79. ment 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 1 Q 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 51 WIRING DIAGRAM 1 KOG 371G H ROS KOG 391 G H ROS KOG 376T 1S KOG 374R 375R0S KOG 373R 893R0S 52 2 658 Bat ta 53 PRINTED CIRCUIT BOARD KOG 371G H0S KOG 391G H0S gt 1 CIRCUIT CHECK PROCEDURE 1 Low voltage transformer check The low voltage transformer is located on the P C B Measuring condition Input voltage 230V Frequency 50Hz Terminal Voltage LOAD NO LOAD 4 7 AC 25 8 V AC 28 4 V IRI IPM ILI c QD LM 71 I NOTE l 1 Refer to Ciruit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage
80. microwave oven requires a current of approximately 11 amperes 230 Volts 50 Hz Power supply cord is about 1 4 meters long The voltage used must be the same as specified on this oven Using a higher voltage may result in a fire or other accident causing oven damage Using low voltage will cause slow cooking We are not responsible for damage resulting from use of this oven with a voltage of ampere fuse other than those specified This appliance is supplied with cable of special type which if damaged must be reparied with cable of same type Such a cable can be purchased from DAEWOO and must be installed by Qualified Person 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 Do not operate the oven if it is colder than room temperature This may occur during delivery in cold weather Allow the oven to become room temperature before operating EARTHING INSTRUCTIONS I WARNING Improper use of the earthing plug can result in a risk of electric shock Consult a qualified electrician or This appliance must be earthed In the event of an electrical short circuit earthing reduces the risk of the electric shock by providing an escape wire for the electric current This appliance is equipped with a cord having a earthing wire with a earthing plug The plug must be plugged into an outlet that is prope
81. n 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 performed on each oven prior to release to the owner TABLE OF CONTENTS Hp uddag bid ANA 2 1 FOR SAFE OPERATION a 2 2 SAFE SERVICE PROCEDURES aii Gniadek 2 3 SPECIFICATIONS D EXTERNAL VIEW m 8 4 OUTER DIMENSION uuu uuu ere EE dE ees 4 2 FEATURE DIAGRAM ri Ee hn xe hae ine aa 3 CONTROL PANEL 12 INSTALLATION a a 19 OPERATIONS AND FUNCTIONS aa U u u u u uu 20 DISASSEMBLY AND ASSEMBLY U U uuu 21 INTERLOCK MECHANISM AND ADJUSTMENT u u nasen eee 43 TROUBLE SHOOTING GUIDE Sass zaa na 45 MEASUREMENT AND TIEST a 49 1 MEASUREMENT OF THE MICROWAVE POWER OUTPUT 49 2 MICROWAVE RADIATION TEST u u aa ipe ttes 50 3 COMPONENT TEST PROGEDURE nt etr ert e ae e 51 WIRING DIAGRAM X 52 PRINT
82. ole Remove the motor shaded pole 3 4 5 6 7 8 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 40 10 To remove tray motor 1 Remove the coupler in the cavity 2 Turn the set upside down 3 Cut the tray motor cover part from the base plate 4 Remove the tray motor cover 5 Remove a screw which secure the tray motor 6 Remove the tray motor 7 Reverse the above steps for reassembly except for securing the tray motor cover with screw 11 To remove heater assmbly 1 Remove the three nuts 2 Remove the insulator heater assembly 3 Reverse the above steps for reassembly 41 12 To remove heater parts amp 9 Gos REF NO PART CODE PART NAME DESCRIPTION QTY REMARK C01 7392500008 NUT HEX 6N 2 5 SUS 1 C02 3515000600 SPACER INSULATOR 1 C377BD 2 C03 3513301100 INSULATOR HEATER SPP T0 8 1 C04 3512803400 HEATER 230V 1000W 1R67994001 1 C05 7002500613 SCREW MACHINE TRS 5X6 MFCR 1 C06 7002400413 SCREW MACHINE TRS 4X4 MFCR 2 42 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 pr
83. op refer to Circuit Diagram point 1 Check method POINT STATE 2 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO HETHOD REMEDY 1 Check the stage ON OFF of the door open monitor Replace door open monitor switch switch by resistance measurement refer to Circ 6 When the digital clock does not operate properly uit Diagram point 5 POINT WAVE FORM A T 20 ms 50Hz If clock does not keep exact time you must check resistor R15 16 zener diode ZD1 68 2 P C B CIRCUIT DIAGRAM m qani ia aa SII o rq d gt Lee um mmm 1 1 1 mm mo zd mi Je x 69 3 P C B LOCATION NO 1 KOG 371R0S NO NAME SYMBOL SPECIFICATION PART CODE REMARK 1 PCB MAIN M160 82X139 9 3514321100 1 2 BUZZER BZ1 BM 20K 3515600100 1 3 ARRAY CA1 5P 4 102 M 50V CN4XB 102M 1 4 C ELECTRO EC1 16V RSS 00 CEXF1C101V 1 5 C ELECTRO EC2 25V RSS 1000 CEXF1E102V 1 6 CONNECTOR WAFER YW396 02AV 3519150520 1 7 CONNECTOR WAFER CN3 YW396 05AV 3519150510 1 8 CONNECTOR WAFER CN2 155 1 40 2155800 1 8 DIODE 01 10 8 DZN4148 10 9 DIODE D11 12 1N4004A DZN4004A 2 10 DIODE ZENE
84. ost M W DEF Grill Combi Start Easy cook Weigh Tie O O R N Display Cooking time power level indicators and present time are displayed Grill Combi Used to cook grill combi Power Def Used to set power level Used to defrost foods by weight or time Auto cook Used to cook using a program or to reheat Start Easy cook Used to start the oven operation and also increase the reheat time by 30 seconds Stop Clear Used to stop the oven operation or to erase all entries Clock Used to set clock Dial Knob Used to set the time and weight 18 INSTALLATION Steady flat location This microwave oven should be set on a steady flat surface This microwave oven is designed for counter top use only Leave space behind and side All air vents should be kept a clearance If all vents are covered during operation the oven may overheat and eventually cause failure 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 Position the oven as far from them as possible 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 Power supply Check your local power source This
85. ouble shooting guide for the membrane keyboard s failure please check for the continuity of each wire harness between the membrane keyboard and P C B assembly MEASUREMENT AND TEST 1 MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly mmeasuring 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 100 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 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 50 3 6 F If 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 differen
86. r open monitor Replace door open monitor switch switch by resistance measurement refer to Circ 6 When the digital clock does not operate properly uit Diagram point 5 POINT WAVE FORM A T 20 ms 50Hz If clock does not keep exact time you must check resistor R15 16 zener diode ZD1 74 2 P C B CIRCUIT DIAGRAM 8 lt lt tte ttt Ll B H ml o Eire L 1 i 1 i 1 i 1 i i i 1 1 i D D 1 a i i 1 i i 1 i I L 75 3 LOCATION NO 1 374805 375805 SYMBOL SPECIFICATION PART CODE Q TY REMARK 1 PCB MAIN M166 82 X 146 8 3514321140 1 MAIN PCB 2 BUZZER BZ1 BM 20K 3515600100 1 3 C ARRAY CA1 5P 4 1000PF M 50V CN4XB 102M 1 4 CAPACITOR CERA C6 102 50V Z AXIAL CCZB1H102K 1 5 CAPACITOR CERA 1 5 C7 104 50V Z AXIAL CCZF1H104Z 6 6 CAPACITOR ELEC 16V RSS 100MF CEXF1C101V 1 7 CAPACITOR ELEC EC2 25V RSS 1000MF CEXF1E102V 1 8 CONNECTOR WAFER CN1 YW396 02V 3519150520 1 9 CONNECTOR WAFER CN2 HLEM15S 1 40 2159800
87. rly installed and earthed serviceman if the earthing instructions are not completely understood or if doubt exists as to whether the appliance is properly earthed and either If it is necessary to use an extension cord use only a 3 wire extension cord that has a 3 blade earthing plug and a 3 slot receptacle that will accept the plug on the appliance The marked rating of the extension cord should be equal to or greater than the electrical rating of the appliance or Do not use extension cord 777777777777777 19 OPERATION 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 5 The oven door can be opened at any time during operation by touching the door release button on the control panel The oven will automatically shut off To restart the oven close the door and then touch START Each time a pad or 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 0 When the STOP CLEAR pad or button is touched during the oven operation t
88. ry gt No Continuity Replace interlock switch with door Malfunction of 1 colosed Continuity interlock switch Check continuity of primary se gt Shorted contacts gt L gt interlock switch contact with door of primary NOTE 1 partially open until interlock interlock switch monitor switch contact close COM lt gt NC Check continuity of primary ppg gt Defective low winding of low voltage Approx voltage transformer 150 310 transformer normal gt pe ecivehigh 71 Disconnect high voltage fuse Fuse again 9 voltage and operate the unit blows transformer 45 TROUBLE SHOOTING GUIDE CONDITION CHECK RESULT CAUSE REMEDY Replace Outlet has 1 Defective proper 3 gt Check continuity of magnetron 3 Continuity gt magnetron voltage Fuse does not blow Check continuity of No Defective line gt 89 noise filter board Continuity filter board Check continuity of gt Replace power supply cord Continuity supply cord gt Normal gt Defective touch RePlace control circuit I All these switches must be replaced the same time please refer to Interlock Mechanism An

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