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Daewoo KOR-145M0P, Service Manual, Page: 21 / 62

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Daewoo KOR-145M0P Service Manual Download Page 21

21

DO THIS...

1. Touch BAKED POTATO pad.

THIS HAPPENS...

When you touch BAKED POTATO
pad, “1” is displayed.
After 1.5 secodns, the display changed
into cooking time of quantity and the
oven starts cooking.

BAKED 

POTATO

STAGE

DEFROST

1                   2            WEIGHT            TIME   

AUTO

START

LOCK              NO          CUPS                                      g

* FRESH VEGETABLE *
• 200g : Touch FRESH VEGETABLE once.
• 300g : Touch FRESH VEGETABLE twice within 1.5 seconds.

NOTE  : For best results, consult the cookbook.

NOTE  : For best results, consult the cookbook.

* BAKED POTATO * (160~180g/ea.)
• 1 NO (ea.) : Touch BAKED POTATO once.
• 2 NO (ea.) : Touch BAKED POTATO twice within 1.5 seconds.
• 3 NO (ea.) : Touch BAKED POTATO three times within 1.5 seconds.

DO THIS...

1. Touch FRESH VEGETABLE

pad.

THIS HAPPENS...

When you touch FRESH VEGETABLE
pad, “200” is displayed.
After 1.5 seconds, the display changed
into cooking time of quantity and the
oven starts cooking.

FRESH

VEGETABLE

STAGE

DEFROST

1                   2            WEIGHT            TIME   

AUTO

START

LOCK              NO          CUPS                                      g

Summary of Contents for KOR-145M0P

Page 1: ...ELECTRONICS CO LTD Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Pa...

Page 2: ...nterlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A...

Page 3: ...ase 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 sur...

Page 4: ...POWER 900 W IEC 705 FREQUENCY 2450 MHZ OUTSIDE DIMENSIONS W X H X D 560 X 360 X 396 mm 22 X 14 2 X 15 6 in CAVITY DIMENSIONS W X H X D 382 X 270 X 360 mm 15 0 X 10 6 X 14 2 in NET WEIGHT APPROX 18 5...

Page 5: ...interlock system Prevents the oven from operating while the door is opened 6 Door release button Pushing this button stops oven operation and opens the door 7 Glass cooking tray Made of special heat...

Page 6: ...tton Pushing this button stops oven operation and opens the door 7 Glass cooking tray Made of special heat resistant glass The tray must always be in proper position before operating Do not cook food...

Page 7: ...e used must be the same as specified on this Microwave Oven Using a higher voltage may result in a tire or other accident causing oven damage Using low voltage will cause slow cooking We are not respo...

Page 8: ...he oven automatically cook on full power unless set to a lower power level 5The display will show 0 when the oven is plugged in 6Time clock returns to the present time when the cooking time ends 7When...

Page 9: ...is a 24 hour clock system The display will then begin blinking CLOCK A START 0 3 2 1 CLOCK A START CLOCK A START NOTE This oven is multiple clock system If you want 12 hour clock system can be omitte...

Page 10: ...play will show the numbers you pressed in the order you touched START 0 0 5 AUTO DEFROST STAGE DEFROST 1 2 WEIGHT TIME AUTO START LOCK NO CUPS g STAGE DEFROST 1 2 WEIGHT TIME AUTO START LOCK NO CUPS g...

Page 11: ...ME AUTO START LOCK NO CUPS g STAGE DEFROST 1 2 WEIGHT TIME AUTO START LOCK NO CUPS g When you touch START pad the TIME DEFROST indicator starts blinking to show the oven is in the TIME DEFROST mode Th...

Page 12: ...PS g STAGE DEFROST 1 2 WEIGHT TIME AUTO START LOCK NO CUPS g STAGE DEFROST 1 2 WEIGHT TIME AUTO START LOCK NO CUPS g When you touch START pad the STAGE 1 indicator starts blinking to show the oven is...

Page 13: ...ill show what you touched The display will show the numbers you pressed in the order you touched This example shows 4 minutes 20 seconds at power level 8 START 0 2 4 8 POWER 0 3 5 STAGE DEFROST 1 2 WE...

Page 14: ...ill show the numbers you pressed in the order you touched The STAGE 1 indicator lights and P is displayed P HI will appear in the displayed This example shows full power 100 The display will show the...

Page 15: ...TIME AUTO START When you touch START pad the WEIGHT DEFROST STAGE 1 and STAGE 2 indicators come on to confirm the power levels selected The WEIGHT DEFROST indicator starts blinking to show you that t...

Page 16: ...ears in the display and the cooking program indicators come on The AUTO START indicator and the colon start blinking When the selected start time arrives the oven begins operating and the oven light t...

Page 17: ...Y COOK pad you can also extend reheating time to 5 minutes by 30 seconds TO CHECK AUTO START TIME SPEEDY COOK DO THIS THIS HAPPENS 1 Touch CLOCK A START pad CLOCK A START The programmed AUTO START tim...

Page 18: ...g Touch POPCORN twice within 1 5 seconds NOTE 1 Use prepackaged room temperature microwave popcorn 2 Place bag in oven according to manufacturer s directions 3 Pop only one bag at a time 4 After poppi...

Page 19: ...pizza does not melt sufficiently cook a few seconds longer 4 Some brands of frozen pizza may require more or less cooking time BEVERAGE 250ml cup 1 cup mug Touch BEVERAGE once 2 cups mugs Touch BEVERA...

Page 20: ...r the 1 5 seconds the display changed into cooking time of quantity and the oven starts cooking SOUP STAGE DEFROST 1 2 WEIGHT TIME AUTO START LOCK NO CUPS g NOTE For best results consult the cookbook...

Page 21: ...within 1 5 seconds NOTE For best results consult the cookbook NOTE For best results consult the cookbook BAKED POTATO 160 180g ea 1 NO ea Touch BAKED POTATO once 2 NO ea Touch BAKED POTATO twice with...

Page 22: ...ching this pad you can select other food category as shown in the chart below 1 is displayed After 1 5 seconds the display changed into cooking time of quantity and the oven starts cooking WEIGHT MENU...

Page 23: ...must enter in new instructions 2 Open the door You can restart the oven by closing the door and touching START MORE LESS CHILD SAFETY LOCK TO STOP THE OVEN WHILE THE OVEN IS OPERATING NOTE Oven stops...

Page 24: ...the oven door If the door is not closed properly the oven will not operate When the door is closed the pushes the button of the micro switch Then the button of the primary interlock switch bring it u...

Page 25: ...should be NO condition after other switches open Secondary interlock switch and door open monitor switch The movement of the switch button should exceed 1 2mm measured at the top of the button 3 Adju...

Page 26: ...heating time The power measured should be 900W 10 P 4187 X T t MICROWAVE EMISSION TEST WARNING Make sure to check the microwave leakage before and after repair or adjustment Always start measuring of...

Page 27: ...it does erroneous reading may result NOTE RD RED WH WHITE BK BLACK GN GREEN BR BROWN OR ORANGE BL BLUE GY GRAY GE GREEN YELLOW CL CAVITY LAMP FM FAN BLOWER MOTOR GM GEARD MOTOR CONDITION DOOR CLOSED...

Page 28: ...agnetron by blowing the air coming from the intake on the rear plate hole 3 The oven lamp light the inside of the oven 4 Indicator light turns on to indicate function operation Cooking time starts cou...

Page 29: ...the microwave oven from power level 1 to HI 100 power One complete ON and OFF cycle of the RELAY 1 is 29 seconds The relation between indications on the control panel and the output of the microwave o...

Page 30: ...e and creates the short circuit 6 If the contacts of primary interlock switch malfunction the 15A fuse blows open due to the large current surge caused by the short circuit activation and this in turn...

Page 31: ...2 wire extension cord The microwave oven is designed to be used when grounded It is imperative therefore to makes sure it is grounded properly before beginning repair work 2 Warning about the electri...

Page 32: ...or assembly 1 Remove three bolts 1 and nuts 2 which secure top hinge and under hinge stopper respectively 2 Remove the top hinge stopper 4 and under hinge stopper 5 3 Remove door assembly 6 4 Reverse...

Page 33: ...ct the seal to oven front surface 2 Tighten two bolts and nuts 3 To reduce gap located on part C See Fig 5 1 Remove the cabinet 2 Loosen a screw on interlock switch assembly located bottom of oven bod...

Page 34: ...ed front plate 2 Remove two screws holding control panel assembly to the oven front At the same time draw forward the control panel assembly from oven front 3 Remove the push lever 7 4 Remove three sc...

Page 35: ...2 Remove capacitor holder 3 with capacitor 4 3 Reverse the above steps for reassembly High voltage circuit wiring 7 To remove magnetron 1 Remove a screws 1 which secure guide air assy 2 and remove gu...

Page 36: ...above for reassembly 9 To remove transformer 1 Remove four tapping screws 1 2 Remove the transformer 2 3 Reverse the above steps for reassembly CAUTION Never install the magnetron without the metalli...

Page 37: ...of the tray motor 1 Cut the TRAY MOTOR COVER from the BASE PLATE 2 Disconnect two terminal wires from the tray motor 3 Remove two screws 2 holding the tray motor 4 To install a new tray motor reverse...

Page 38: ...DE 1 Incomplete segments A Segments missing B Partical segments missing C Digit flickering other than normal fluorescent slight flickering D 0 does not display when power is on 2 A distinct change in...

Page 39: ...control box sub assembly Abnormal Malfunction of the membrane keyboard NOTE Before following the particular steps listed above in the trouble shooting guide for the membrane keyboard failure please c...

Page 40: ...4 5 6 7 8 9 10 11 PCB Connection AUTO DEF SPEEDY COOK POPCORN SOUP MUFFIN BEVERAGE BAKED POTATO FROZEN PIZZA DINNER PLATE FRESH VEGETABLE 1 STAGE 2 WEIGHT TIME AUTO START DEFROST LOCK NO CUPS g STOP C...

Page 41: ...1 5 pad Between A and F 12 0 pad Between A and G 13 POWER pad Between A and H 14 SPEEDY COOK pad Between A and I 15 6 pad Between B and F 16 1 pad Between B and G 17 SOUP pad Between B and H 18 MUFFIN...

Page 42: ...START CLO A ST STOP CLEAR 8 9 10 11 N C 11 5 pad Between S and F 12 0 pad Between A and G 13 POWER pad Between A and H 14 SPEEDY COOK pad Between A and I 15 MENU pad Between A and K 16 6 pad Between B...

Page 43: ...t with door partially open until interlock monitor switch contact close Continuity Short contacts of primary interlock switch Approx 90 110 normal Replace Check continuity of primary winding of low vo...

Page 44: ...tinuity Malfunction of Primary Interlock Switch Replace Check D C voltage being supplied to RELAY 2 coil 0V Defective touch control circuit Replace Approx 24VDC Faulty contacts of RELAY 2 or open rela...

Page 45: ...agnetron No Continuity Continuity Defective magnetron Replace Check continuity of filament terminal of high voltage transformer No Continuity Continuity Defective high voltage transformer Replace Chec...

Page 46: ...in power source voltage Customer education Check the timing periods of the RELAY 1 coil Abnormal Defective touch control circuit Replace Normal Aging change of magnetron Replace depending on the resu...

Page 47: ...teries should be used to check the frontback resis tance of the diode otherwise an infinite resistance may be read in both directions A normal diode resistance will be infinite in one direction and se...

Page 48: ...check is interlock monitor switch primary and secondary interlock switches check Make circuits like Fig a Fig b Fig c for tests 1 In case of interlock monitor check Lamp on or zero resistance Conditi...

Page 49: ...VDC T 20 ms 50Hz 3 IC1 PIN 22 4 IC1 PIN 8 or 9 5 DP1 PIN 1 25 2 4VAC DISPLAY FILAMENT VOLTAGE NO MEASURE POINT WAVEFORM REMEDY REMARK See Page 51 1 MP 1 DC 5 0 25V Replace ZD2 EC1 EC2 NO LOAD 3 MP 2 D...

Page 50: ...E MICOM OUTPUT PIN NO IN PIN NO STAGE 1 LOCK don t come on GRID 1 G1 21 30 STAGE 2 NO don t come on GRID 1 G2 17 29 WEIGHT DEFROST CUPS doesn t come on GRID 3 G3 9 26 TIME DEFROST doesn t come on GRID...

Page 51: ...51 MP 1 MP 3 MP 2 Fig 3 Measurement Point...

Page 52: ...imer does not stop CHECK METHOD POINT A STAGE RELAY 2 ON 24VDC RELAY 2 OFF GND POINT A B STAGE RELAY 1 ON 5VDC GND RELAY 1 OFF GND 24VDC POINT A B STAGE 1 DOOR OPENED OPEN 5VDC 2 DOOR CLOSED CLOSE GND...

Page 53: ...53 6 When the digital clock does not operate properly If clock does not keep exact time you must check resistor R17 R11 D11 D12 D14 D13 R17 R11 C4 22 IC1 A POINT WAVEFORM A 0V 14V T 16 67 ms...

Page 54: ...54 2 PCB CIRCUIT DIAGRAM BAKED POTATO FRESH VEGETABLE SOUP KOR 145QOS Only WEIGHT MENU KOR 145MOS Only...

Page 55: ...55 3 COMPONENT INFORMATION TRANSISTOR DIODE AND ZENER DIODE Emitter Collector Q 1 3 5 Base DIODE CATHODE K ZENER DIODE CATHODE K ANODE A D1 7 9 14 ANODE A ZD 1 3...

Page 56: ...56 4 PRINTED CIRCUITS BOARD...

Page 57: ...1 20 CAPACITOR CERAMIC C1 3 HIKF 50V 0 1 F Z CBXF1H104Z 3 21 CAPACITOR ELECTROLYTIC EC5 220 F 50V RSS CEXE1H221V 1 22 CAPACITOR ELECTROLYTIC EC1 2 47 F 16V RS CEXF1C470A 2 23 CAPACITOR ELECTROLYTIC E...

Page 58: ...3513100500 HOOK ACETAL 1 A4 3511706800 DOOR PAINTING AS KOR 145M0A 1 A5 3512202600 FRAME DOOR ABS 1 A6 3517003300 BARRIER SCREEN O ACRYL 1 A7 3515101400 SPRING HOOK HSW 3 1 Caution In this Service Man...

Page 59: ...1 B4 3513701700 LEVER DOOR OPEN ACETAL DURACON M90 02 1 B5 3516904200 BUTTON DOOR OPEN ABS 1 B6 441G430171 SPRING DOOR BUTTON SWP DIA 0 7 1 C PANEL AS PKCPSWMEOO KOR 145M C PANEL AS PKCPSWMFOO KOR 145...

Page 60: ...EXPLODED VIEW 60 27 26 25 24 28 29 1 2 3 4 8 7 9 10 30 11 16 15 14 17 18 19 21 22 23 6 5 34 A00 B00 32 36 31 35...

Page 61: ...F22 441X318022 PUSH LEVER ACETAL DURACON 1 F23 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 F24 3511403200 COVER WAVE GUIDE P P 1 F25 3517400600 COUPLER PPS 1 F26 441X336000 GUIDE ROLLER AS KOR 10...

Page 62: ...P001 DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 02 360 8184 TEL 02 360 8183 http www dwe daewoo co kr PRINTED D...

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