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Defective Display

Refer to “The display

trouble shooting data”

below.

Replace P. C. B.

assembly.

4) When there is no microwave oscillation.

(1) When touching “START” pad, oven lamp does not turn on.

Fan motor and turntable motor do not rotate, but cook indicator in display comes on.

*Cause: RELAY “3” does not operate.

3) Display problems

CAUSE

MEASUREMENT

RESULT

REMEDY

STAGE 1, LOCK don’t come on.

STAGE 2, NO don’t come on.

WEIGHT DEFROST, CUPS don’t come on.

TIME DEFROST doesn’t come on.

AUTO START,g don’t come on.

SEGMENT “a” doesn’t come on from G1 to G5.

SEGMENT “b” doesn’t come on from G1 to G5.

SEGMENT “c” doesn’t come on from G1 to G5.

SEGMENT “d” doesn’t come on from G1 to G5.

SEGMENT “e” doesn’t come on from G1 to G5.

SEGMENT “f” doesn’t come on from G1 to G5.

SEGMENT “g” doesn’t come on from G1 to G5.

LOCK, NO, CUPS, g don’t come on.

STAGE1, STAGE2, TIME DEFROST, WEIGHT
DEFROST, AUTO START don’t come on.

Digit 1 (G1), 10

Digit 2 (G2), 11

Digit 3 (G3), 14

Digit 4 (G4), 12

Digit 5 (G5), 13

SEGMENT a, 7

SEGMENT b, 6

SEGMENT c, 5

SEGMENT d, 4

SEGMENT e, 3

SEGMENT f, 2

SEGMENT g, 1

LOWER BAR h, 9

UPPER BAR i, 8

The display trouble shooting data

TROUBLE

DISPLAY NAME

& PIN NO.

MICOM OUTPUT

IN PIN NO.

Display layout
(Top View)

Содержание KOR-63XQ0S

Страница 1: ...p svc dwe co kr S M No R63XQ0S001 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 Parts Price List in Service Information Center http svc dwe co kr ...

Страница 2: ...door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal performance standard should be performed on each oven prior to release to the owner SAFETY AND PRECAUTIONS 1 FOR SAFE OPERATION 2 FOR SAFE SERVICE PROCEDUR...

Страница 3: ... found to servicing a microwave emission check should be performed prior to servicing the oven 1 inform the manufacturer importer or assembler 2 repair the unit at no cost to the owner 3 attempt to ascertain the cause of the excessive leakage 4 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...

Страница 4: ...T WEIGHT TIMER FUNCTION SELECTIONS POWER SELECTIONS CAVITY VOLUME 3 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE KOR 63XQ 230V 50Hz SINGLE PHASE WITH EARTHING 1200W 800W 2450MHz 465 279 352mm 18 3 11 0 13 9in 290 220 290mm 11 4 8 7 11 4in APPROX 13Kg 28 7 lbs 59 min 99 sec MICROWAVE 10 LEVELS 0 7 Cu Ft POWER CONSUMPTION SPECIFICATIONS ...

Страница 5: ... STAGE AUTO LOCK NO CUP g Auto Cook 1 Raked Potato 2 Fresh Vegetable 3 Soup 4 Fish Fillets 5 Meat Loaf Menu Weight Auto Def Beverage popcorn Muffin Frozen Pizza Dinner Plate Power Clock A Start Speedy Cook Feeding Bottle 1 2 3 4 5 6 7 8 9 0 Stop Clear Start 1 2 ...

Страница 6: ...llows viewing of food The screen is designed so that light can pass through but not the microwaves 10 Time set pad Used to set the cooking time and the present time 11 Display Cooking time power level present time are displayed 12 Speedy cook Touch to set the any desired reheat setting 13 Popcorn Used to cook popcorn 14 Muffin Used to cook muffin 15 Baked potato Used to baked potato 16 Dinner plat...

Страница 7: ...amaged must be repaired with cable of same type Such a cable can be purchased from DAEWOO and must be installed by a Qualified Person 6 Examine the oven after unpacking for any damage such as A misaligned door broken door or a dent in cavity If any of the above are visible DO NOT INSTALL and notify dealer immediately 7 Do not operate the oven if it is colder than room temperature This may occur du...

Страница 8: ...s set to a lower power level 8 The display will show 0 when the oven is plugged in 9 Time clock returns to the present time when the cooking time ends 10 When the STOP CLEAR pad is touched during the oven operation the oven stops cooking and all information retained To erase all information except the present time touch the STOP CLEAR pad once more If the oven door is opened during the oven operat...

Страница 9: ... the electric charge in the high voltage capacitor For about 30 seconds after the operation has stopped and electric charge remains in the high voltage capacitor When replacing or checking parts short between oven chassis and the negative high terminal of the high voltage capacitor by using a properly insulated screwdriver to discharge 4 When the 12A fuse is blown out due to the operation of the m...

Страница 10: ...ward 2 To remove door assembly 1 Remove a screws which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for reassembly NOTE After replacing the door assembly perform a check of correct alignment with the hinge and cavity front plate ...

Страница 11: ...RRIER SCREEN I GASKET DOOR HOOK SPRING HOOK DESCRIPTION ABS SG 175 SG 0760D SAN PP KOR 63150S KOR 61150S POLYESTER TO 1 PP POM PW1 Q TY 1 1 1 1 1 1 1 1 1 REMARK 3 To remove door parts 1 KOR 63XQ0S Caution In this Service 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 Parts Price List ...

Страница 12: ... 8 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 a screw on stopper hinge top and then push the door to contact the door seal to oven front surface Tighten a screw 1 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 ...

Страница 13: ...OOR OPEN DESCRIPTION KOR 618Q0S ABS SG 175 SG 0760D KOR 63XQ0S T2S TRS 4 12 MFZN PP SWP ABS SG 175 SG 0760D Q TY 1 1 1 3 1 1 1 REMARK 5 To remove control panel parts 1 KOR 63XQ0S Caution In this Service 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 Parts Price List in Service informa...

Страница 14: ...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 cm2 for a fully assembled oven with door normally closed 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 scre...

Страница 15: ...ve wind guide assembly 1 Remove a screw for earthing 2 Remove the noise filter from the wind guide 3 Remove a screw which secure the wind guide assembly 4 Draw forward the wind guide assembly 5 Pull the fan from the motor shaft 6 Remove two screws which secure the motor shaded pole 7 Remove the motor shaded pole 8 Reverse the above steps for reassembly 14 ...

Страница 16: ... Adjust interlock switch assembly position c Make sure that lock lever moves smoothly after adjustment is completed d Tighten completely one mounting screw 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 INTERLOC...

Страница 17: ...cord before check the parts listed below CONDITION RESULT CAUSE REMEDY Continuity No continuity Malfunction of Interlock monitor switch Replace NOTE 1 NOTE 1 NOTE 1 CHECK Fuse blows Check continuity of interlock monitor switch with door closed COM NC NO Continuity Continuity Malfunction of Interlock switch Replace Check continuity of both primary and secondary interlock switch with door closed Con...

Страница 18: ...r replace CHECK Turn table motor and oven lamp do not turn on Check continuity of primary interlock switch No continuity Malfunction of secondary interlock and D O M switch Adjust or replace Check continuity of secondary interlock and D O M switches 0 V Defective touch control circuit Replace Approx 15VDC Fault contacts of RELAY RY2 or open relay coil Replace NOTE All these switches must be replac...

Страница 19: ...in forward and backward direction with DC megger Continuity Defective magnetron Replace Connect megger leads to magnetron terminal and magnetron body 0Ω or Defective high voltage transformer Replace Check resistance of primary and secondary coil of high voltage transformer No continuity Defective magnetron Replace Check continuity of magnetron with wires removed No continuity Defective high voltag...

Страница 20: ...iously jumps in time while counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when clear pad is touched 11 Oven lamp and turntable motor do not stop although cooking is finished Check if the RELAY 2 contacts close if they are close replace touch control circuit CONDITION RESULT CAUSE REMEDY Normal Malfunction of touch control circuit of c...

Страница 21: ...diately 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 ...

Страница 22: ... 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 WEIGHT TIME START DEFROST STAGE AUTO LOCK NO CUP g Auto Cook 1 Raked Potato 2 Fresh Vege...

Страница 23: ...meter set on the highest resistance scale measure the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries should be used to check the front back resistance of the diode otherwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction and sever...

Страница 24: ...23 WIRING DIAGRAM ...

Страница 25: ...TE 1 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 2 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must to measured with GND points NO CHECK POINT REMARK MEASURE POINT WAVE FORM REMEDY REMARK NO 1 2 MP1 MP2 CD 5V 0 25 DC 14V 1 0 Replace VL1 EC1 C4 C6 Replace D13 D14 EC2 NO...

Страница 26: ...25 KOR 63XQ BOTTOM VIEW Fig 6 Measurement Point GND MP2 MP1 ...

Страница 27: ...NT a doesn t come on from G1 to G5 SEGMENT b doesn t come on from G1 to G5 SEGMENT c doesn t come on from G1 to G5 SEGMENT d doesn t come on from G1 to G5 SEGMENT e doesn t come on from G1 to G5 SEGMENT f doesn t come on from G1 to G5 SEGMENT g doesn t come on from G1 to G5 LOCK NO CUPS g don t come on STAGE1 STAGE2 TIME DEFROST WEIGHT DEFROST AUTO START don t come on Digit 1 G1 10 Digit 2 G2 11 D...

Страница 28: ...te and cook indicator in display comes on Cause RELAY 2 does not operate CHECK METHOD STAGE POINT A RELAY 2 ON RELAY 2 OFF 5VDC LN GND 12VDC CHECK METHOD STAGE POINT A B 1 DOOR OPENED 2 DOOR CLOSED OPEN CLOSE 5VDC GND CHECK METHOD STAGE POINT A B Check the stage ON OFF of the secondary lnterlock switch by resistance measurement Replace secondary interlock switch 1 CHECK NO METHOD REMEDY ...

Страница 29: ...28 If clock does not keep exact time you must check resistor R21 R22 and capacitor C5 POINT WAVEFORM A 6 When the digital clock does not operate properly ...

Страница 30: ...29 2 P C B CIRCUIT DIAGRAM Q TYPE ...

Страница 31: ...30 3 COMPONENT INFORMATION 1 Transistor 2 Digital Transistor 2 Diode and Zener Diode TYPE R1 R2 KRC 106M KRA 110A 4 7KΩ 4 7KΩ 4 7KΩ RESTOP ...

Страница 32: ...IA IC IP 12V CS11 12SH 1C 1P HD404054A34S PART NAME REF NO RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RARRAY DIODE DIODE DIODE ZENER DIODE ZENER TRANSISTOR CAPACITOR CERAMIC CAPACITOR CERAMIC P C B BARE LED DISPLAY C ARRAY TRANSISTOR TRANSISTOR TRANSISTOR CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER BUZZER REGULATOR CAPACITOR CERAMIC CAPACITOR CERAMI...

Страница 33: ...32 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY EXPLODED VIEW AND PARTS LIST ...

Страница 34: ...TRON SPECIALSCREW SPECIALSCREW HOLDERHVCAPACITOR CAPACITOR HV DIODEHV FUSEHV TRANSHV SPECIALSCREW BASE SCREWTAPPING FOOT SPECIALSCREW STOPPERHINGE U KOR 618Q KOR 63XQ PCM T0 36 GE T1 TRS 4 10 MFZN CAVITY WELD AS T1 TRS 4 10 MFZN T2S TRS 4 12 MFZN T2S TRS 4 12 MFZN T1 TRS 4 10 MFZN 3 0 75 70 70 100 RTML NYLON66 T1 TRS 4 10 MFZN T2S TRS 4 12 MFZN 250V 12A 65TS 250V 12A MDA DWLF M12 T2S PAN 4 30 MFZN...

Страница 35: ...CIALSCREW COVERWAVEGUIDE COUPLER ROLLER GJIDEROLLER TRAY VP 533A OF SPON 187 200G VP 531A OF SZM V16 FA 61 VP 533A OF SPNO 187 200G POM POM VP 533A OF SPNO 187 200G BL 240V 25W T25 C7A H187 T2S PAN 4 6 MFZN 220V 2 5W GM 16 24FD12 220V 2 5W M2LJ49ZT52 OFF 75 ON 65H 187 NB PBT TT3 HEX 4X8 FLG MFZN HEATPROOF PP XAREC TEFLON PP 5113MF6 A353B GLASS 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 Caution In this Se...

Страница 36: ...DAEWOOELECTRONICSCO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE DEC 2001 S M NO R63XQ0S001 ...

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