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Service Manual

Microwave Oven

KOR-6115

5

KOR-61151

DAEWOO ELECTRONICS CO., LTD.

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Summary of Contents for KOR-61151

Page 1: ...Service Manual Microwave Oven KOR 61155 KOR 61151 DAEWOO ELECTRONICS CO LTD...

Page 2: ...ity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired repl...

Page 3: ...ower is turned off when the door is opened Do not attempt to defeat them DO NOT ATTEMPT TO SERVICE THIS APPLIANCE UNTIL YOU HAVE READ THIS SERVICE MANUAL 2 For Safe Service Procedures 1 If the oven is...

Page 4: ...LL MICROWAVE POWER FREQUENCY 2450 MHz OUTPUT DIMENSIONS W X H X D 465 X 274 X 360 mm 18 3 X 10 8 X 14 2 in CAVITY DIMENSIONS W X H X D 290 X 200 X 290 mm 11 4 X 7 9 X 11 4 in NET WEIGHT APPROX 12 5 kg...

Page 5: ...leakage Glass Cooking Tray Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking Roller Guide This must always be used for cooking together with the glass...

Page 6: ...d is poovided to reduce the risks resulting from becoming entangled in or tripping over a longer cord 2 Longer cord sets or extension cords are available and may be used if care is exercised in their...

Page 7: ...ime 7 When the timer reaches zero a bell will ring and the unit will turns off Oven light turns off If additional cooking time is needed and the door has not been opened the oven will automatically st...

Page 8: ...he 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 sho...

Page 9: ...ray and set it in a cavity D Close the door and operate the oven E Measure the leakage by using microwave energy survery meter with dual ranges set to 2450 MHz Measured radiation leakage must not exce...

Page 10: ...IODE MAGNETRON WH LIVE RD BK WH NEUTRAL WH BK BL GY GY GY GY GY GY CL GM FM SECONDARY INTERLOCK SWITCH NOTE RD RED WH WHITE BK BLACK GN GREEN BR BROWN OR ORANGE BL BLUE GY GRAY GE GREEN YELLOW CL CAVI...

Page 11: ...ODE MAGNETRON WH RD BK WH GN WH BK BL GY GY GY GY GY GY CL GM FM SECONDARY INTERLOCK SWITCH NOTE RD RED WH WHITE BK BLACK GN GREEN BR BROWN OR ORANGE BL BLUE GY GRAY GE GREEN YELLOW CL CAVITY LAMP FM...

Page 12: ...and this secondary voltage is increased by the action of the diode and the charging of the high voltage capacitor This resultant D C voltage is then applied to the anode of the magnetron As shown in...

Page 13: ...e to the high voltage transformer to stop microwave oscillation Fan motor timer motor and turntable motor stop rotating Oven lamp turn off As soon as the door is opened monitor switch close NC to crea...

Page 14: ...arge in the high volt age 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 chass...

Page 15: ...assembly 1 Remove two screws which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Remove the above for reassembly 3 To remove door parts NOTE After replacing the d...

Page 16: ...reduce gap located on part B 1 Loosen three screws on bottom hinge and then the door to contact the door seal to oven front surface 2 Tighten three screws 3 To reduce gap located on part C See Fig A 1...

Page 17: ...ich secure the timer assembly 4 Remove the timer assembly 5 Pull out the timer knob from the timer assembly 6 Pull out the timer coupler from the timer assembly 7 Remove the screw which secure the V P...

Page 18: ...capacitor holder 2 Remove the H V diode from the capacitor 4 Reverse the above steps for reassembly High voltage circuit wiring 7 To remove magnetron 1 Remove four screws which secure the magnetron 2...

Page 19: ...trans former 2 Remove the transformer 3 Reverse the above steps for reassembly Filament Terminal Cooling Fin Magnetron Antenna Magnetron Metallic Gasket Plate Metallic Gasket Plate Magnetron Antenna W...

Page 20: ...d 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 micro switch Then the button of the primary interl...

Page 21: ...he two mounting screws b Adjust interlock switch assembly position c Confirm the gap 1 2mm described above d Make sure that push lever moves smoothly after adjustments is completed e Completely tighte...

Page 22: ...terlock monitor switch Replace primary secondary interlock switch and interlock monitor switch Replace primary secondary interlock switch and interlock monitor switch Replace high voltage capacitor Re...

Page 23: ...of high voltage transformer NO continuity NO continuity Continuity in the reverse direction Poor continuity NO GOOD GOOD Faulty magnetron Does the oven lamp light Does the turntable turn Check continu...

Page 24: ...esistance 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...

Page 25: ...eck is interlock monitor switch primary and secondary interlock switched check 1 In case of interlock monitor switch check Condition 1 Door is opened 2 Common terminal of the monitor switch disconnect...

Page 26: ...E DOOR 3512202500 1 A03 STOPPER HINGE T 3515201000 1 A04 DOOR WELD AS 3511705500 1 A05 BARRIER SCREEN I 3517002800 1 A06 GASKET DOOR 3512300200 1 A07 HOOK 3513100700 1 A08 SPRING HOOK 3515101300 1 1 D...

Page 27: ...1 B03 COUPLER VPC KNOB 3517400500 1 B04 SCREW TAPPINGT2S PAN 4X12 PW 7621401211 1 B05 KNOB 3513402500 1 B06 COUPLER TIMER 3517400400 1 B07 TIMER 3518203800 1 B08 SCREW TAPPING T2S PAN 4X12 PW 7621401...

Page 28: ...001900 HOLDER HV CAPACITOR SECC T0 8 1 F18 441L267010 CAPACITOR HV 2100VAC 0 7UF 1 F19 4416V24000 DIODE HV SANKEN HVR 1X 32B D5 3 1 F20 3518106600 TRANS HV JMOT N60A0 61T 1 F21 7S427W40A1 SCREW SPECIA...

Page 29: ...18 7S422X4081 SCREW SPECIAL TT2 TRS 4X8 SE MFZN 1 F19 3513001900 HOLDER HV CAPACITOR SECC TO 8 1 F20 441L267010 CAPACITOR HV 2100VAC 0 7UF 1 F21 4416V24000 DIODE HV SANKEN HVR 1X 32B D5 3 1 F22 351810...

Page 30: ...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 02 364 5588 5305 TEL 02 360 7114 7315 7 PRINTED DATE MAR 1996...

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