DAEWOO ELECTRONICS KOR-178HW Service Manual Download

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KOR-168H9A27 / KOR-168H9A52

EXPLODED VIEW AND PARTS LIST

1. DOOR ASSEMBLY

Refer to Disassembly and assembly

2. CONTROL PANEL ASSEMBLY

Refer to Disassembly and assembly

3. TOTAL ASSEMBLY

KOR-1

, KOR-1

Summary of Contents for KOR-178HW

Page 1: ...R164H9001 KOR 178HS 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: ...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 F...

Page 3: ...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 operative prior to ser...

Page 4: ...QUENCY 2450 MHz OUTSIDE DIMENSIONS W X H X D 589x339x461 mm 23 2x13 3x18 2 in CAVITY DIMENSIONS W X H X D 399x263x426 mm 15 7x10 4x16 8 in NET WEIGHT APPROX 17 0kg 37 5 lbs TIMER 99 min 99 sec FUNCTIO...

Page 5: ...e cover Protects the microwave outlet from splashes of cooking foods 6 6 Oven lamp Automatically turns on during oven operating 7 7 Safety interlock system 8 8 Control panel 9 9 Door open button To op...

Page 6: ...tities of food 4 Auto Cook Used to reheat or cook many of favorite foods 5 Auto Defrost Used to defrost foods for weight 6 Power Used to set power level 7 Clock Used to set clock 8 Stop Clear Used to...

Page 7: ...Volts KOR 167H9A27 168H9A27 60Hz grounded outlet Line fuse rating is 20amperes and described on EXPLODED VIEW AND PART LIST Power supply cord is about 1 0 meters long 1 A short power supply cord is pr...

Page 8: ...d 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 th...

Page 9: ...beginning repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation has stopped electric charge remains in the high voltage capacitor When...

Page 10: ...rd 2 To remove door assembly 1 Remove two 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...

Page 11: ...5 Remove the spring hook and the hook from the door painting assembly 6 Reverse the above steps for reassembly A01 3512210900 FRAME DOOR KOR 168H9A27 SILICON 1 A02 3515204400 STOPPER HINGE T AS KOR 16...

Page 12: ...5 Remove the spring hook and the hook from the door painting assembly 6 Reverse the above steps for reassembly A01 3512210910 FRAME DOOR KOR 168H9A52 SILICON 1 A02 3515204400 STOPPER HINGE T AS KOR 16...

Page 13: ...hen push the door to contact the door seal to oven front surface Tighten two screws 3 To reduce gap located on part C Loosen the screw on interlock switch assembly located top of oven body Draw the in...

Page 14: ...nd button door open from the control panel 6 Reverse the above steps for reassembly B01 3511618320 DECORATOR BUTTON ABS SG 0760D SG 175 COATING 1 B02 3516915960 BUTTON DOOR OPEN ABS SG 0760D SG 175 1...

Page 15: ...ton door open from the control panel 6 Reverse the above steps for reassembly B01 3511618320 DECORATOR BUTTON ABS SG 0760D SG 175 COATING 1 B02 3516915970 BUTTON DOOR OPEN ABS SG 0760D SG 175 SPRAY 1...

Page 16: ...for a fully assembled oven with door normally closed 6 To remove high voltage capacitor 1 Remove the screw which secure the grounding ring terminal of the H V diode and the capacitor holder 2 Remove t...

Page 17: ...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...

Page 18: ...ver presses the button of the interlock monitor switch to bring it under OFF condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment steps a Loos...

Page 19: ...of the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed Check continuity of of primary interlock switch conta...

Page 20: ...ntinuity Adjust or Replace Check D C voltage being supplied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 15 VDC Replace Display...

Page 21: ...Replace Connect megger leads to magnetron terminal and magnetron body Continuity Defective magnetron Replace Check resistance of primary and secondary coil of high voltage transformer 0 or Defective...

Page 22: ...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 the STOP CLEAR pad is touched 11 Oven lamp and turntable motor...

Page 23: ...e 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...

Page 24: ...binet 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...

Page 25: ...ding 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 resist...

Page 26: ...25 KOR 187H WIRING DIAGRAM...

Page 27: ...changes in proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must be measured with GND points...

Page 28: ...27 Measurement point MP1 MP2 GND...

Page 29: ...gital clock does not operate properly refer to Circuit Diagram If clock does not keep exact time you must check resistor R20 and zener diode ZD2 STATE POINT A B RELAY 2 ON 5VDC GND RELAY 2 OFF GND 15V...

Page 30: ...29 KOR 178H...

Page 31: ...0 12 17 18 22 1 6W 1K 5 RD AZ102J 6 18 RESISTOR R13 R19 20 1 6W 10K 5 RD AZ103J 3 19 RESISTOR R9 1 6W 100K 5 RD AZ104J 1 20 RESISTOR R11 1 6W 200 5 RD AZ201J 1 21 RESISTOR R14 1 6W 1M 5 RD AZ105J 1 22...

Page 32: ...KOR 168H9A27 KOR 168H9A52 EXPLODED VIEW AND PARTS LIST 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY KOR 178HW KOR 178H...

Page 33: ...0 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F21 3518114530 TRANS HV DWAR10A0 16T S 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510311800 BASE SBHG T0 8 1 F24 7112401011 SCREW TAPPING T1...

Page 34: ...518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F21 3518114530 TRANS HV DWAR10A0 16T S 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510311800 BASE SBHG T0 8 1 F24 7112401011 SCREW TAPPING T1 TR...

Page 35: ...S M NO R161G0A001 DAEWOO ELECTRONICS CORP 1 2 Jeo dong 1 il ga Jung gu Seoul Korea C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Jul 2009...

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