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Service Manual

Microwave Oven

Model: KOR-41151S

KOR-41251S

KOR-41351S

KOR-41951S

S/M No. : R4125EU011

Jul. 2005

✔

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

Summary of Contents for KOR-41151S

Page 1: ...1S KOR 41951S S M No R4125EU011 Jul 2005 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 p...

Page 2: ...d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this ma...

Page 3: ...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...

Page 4: ...LECTIONS 5 LEVELS CAVITY VOLUME 0 4 Cu Ft SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE MODEL KOR 41251S POWER SUPPLY 230V 50Hz SINGLE PHASE WITH GROUNDING POWER CONSUMPTION MICROWAVE 920 W MICR...

Page 5: ...OWER SELECTIONS 5 LEVELS CAVITY VOLUME 0 4 Cu Ft SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE MODEL KOR 41951S POWER SUPPLY 230V 50Hz SINGLE PHASE WITH GROUNDING POWER CONSUMPTION MICROWAVE 920...

Page 6: ...5 EXTERNAL VIEW 1 OUTER DIMENSION KOR 41151S KOR 41251S...

Page 7: ...6 KOR 41351S KOR 41951S...

Page 8: ...ains the microwave within the oven cavity and prevents microwave leakage 6 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 7 ROLL...

Page 9: ...the oven cavity and prevents microwave leakage 6 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 7 ROLLER GUIDE This must always...

Page 10: ...eal maintains the microwave within the oven cavity and prevents microwave leakage 6 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooki...

Page 11: ...seal maintains the microwave within the oven cavity and prevents microwave leakage 6 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cook...

Page 12: ...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 o...

Page 13: ...djust the timer to the desired time 7 When the timer reaches zero a bell will ring and the unit will turn off Oven light turns off If additional cooking time is needed and the door is closed the oven...

Page 14: ...epair 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 o...

Page 15: ...ward 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 NOTE After replacing the door...

Page 16: ...151S A02 3517003860 BARRIER SCREEN O SAN T 1 5 1 41251S 3517003870 BARRIER SCREEN O SAN T 1 5 1 41351S 3517003880 BARRIER SCREEN O PET TO 125 1 41951S A03 3515202400 STOPPER HINGE T AS KOR 41125J 1 A0...

Page 17: ...front surface Tighten two screws DOOR ASSEMBLY NOTE A small gap may be acceptable if the microwave leakage does not exceed 4mW cm2 1 Remove the gasket door from door weld as 2 Remove the barrier scree...

Page 18: ...B07 3518204720 TIMER VTFA35MFG5 1 B08 7S341W40B1 SCREW SPECIAL T1 TRS 4X10 MFZN 2 5 To remove control panel parts KOR 41151S 1 Remove the screw which secure the control panel push up two snap fits an...

Page 19: ...0 LEVER POM 1 B10 441G430171 SPRING SWP DIA 0 7 1 B11 3516904900 BUTTON DOOR OPEN ABS XR 401 H 2938 1 KOR 41251S 1 Remove the screw which secure the control panel push up two snap fits and draw forwar...

Page 20: ...175 SG 0760D 1 B07 3518204720 TIMER VTFA35MFG5 1 B08 7S341W40B1 SCREW SPECIAL T2S PAN 4X12 MFZN 2 KOR 41351S 1 Remove the screw which secure the control panel push up two snap fits and draw forward t...

Page 21: ...SG 175 SG 0760D 1 B07 3518204720 TIMER MTHK135ND 1 B08 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 2 KOR 41951S 1 Remove the screw which secure the control panel push up two snap fits and draw forward...

Page 22: ...ge 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 metalli...

Page 23: ...move 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...

Page 24: ...ownward The lock lever presses the button of the interlock monitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjus...

Page 25: ...ock lever presses the button of the interlock monitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under NO condition 3 Adjustment steps a...

Page 26: ...hen you shut the door and turn the timer YES If outlet has proper voltage check continuity of power supply cord Replace power supply cord NO Continuity Check continuity of interlock monitor switch wit...

Page 27: ...or NO If microwave do not oscillate check continuity of filament of magnetron Poor continuity NO Continuity Check continuity filament tap 3 3V of high voltage transformer of high voltage transformer R...

Page 28: ...ssel 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 foll...

Page 29: ...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 s...

Page 30: ...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 600V or higher voltage Me...

Page 31: ...30 WIRING DIAGRAM...

Page 32: ...31 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY KOR 41151S EXPLODED VIEW AND PARTS LIST...

Page 33: ...HV CAPACITOR SECC T0 6 1 F22 3518301600 CAPACITOR HV 2100VAC 0 79UF 187 1 F23 3518400400 DIODE HV AS HVR 1X 3AB 12KV 187 1 F24 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F25 3518107820 TRANS HV R1S570...

Page 34: ...33 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY KOR 41251S EXPLODED VIEW AND PARTS LIST...

Page 35: ...HV CAPACITOR SECC T0 6 1 F22 3518301600 CAPACITOR HV 2100VAC 0 79UF 187 1 F23 3518400400 DIODE HV AS HVR 1X 3AB 12KV 187 1 F24 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F25 3518107820 TRANS HV R1S570...

Page 36: ...35 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY KOR 41351S EXPLODED VIEW AND PARTS LIST...

Page 37: ...HV CAPACITOR SECC T0 6 1 F22 3518301600 CAPACITOR HV 2100VAC 0 79UF 187 1 F23 3518400400 DIODE HV AS HVR 1X 3AB 12KV 187 1 F24 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F25 3518107820 TRANS HV R1S570...

Page 38: ...37 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY KOR 41951S EXPLODED VIEW AND PARTS LIST...

Page 39: ...T0 6 1 F20 3518301600 CAPACITOR HV 2100VAC 0 79UF 187 1 F21 3518400400 DIODE HV AS HVR 1X 3AB 12KV 187 1 F22 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F23 3518107820 TRANS HV R1S570 ES30 1 F24 351600...

Page 40: ...S M NO R4125EU011 DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Jul 2005...

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