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Service Manual

Model

:

KO

R-167H

Microwave Oven

May. 2008

S/M No. :

R162G0A002

• 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).

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Содержание KOR-167H

Страница 1: ...No R162G0A002 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 Pr...

Страница 2: ...lock 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 micr...

Страница 3: ...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 servicin...

Страница 4: ...microondas 1 000 W Frecuencia de microondas 2 450 MHz Dimensiones externas Ancho x Alto x Fondo 589 x 339 x 460 mm 23 2 x 13 3 x 18 1 pulgadas Dimensiones de la cavidad Ancho x Alto x Fondo 399 x 263...

Страница 5: ...ll cooking 5 5 Waveguide cover Protects the microwave outlet from splashes of cooking foods 6 6 Safety interlock system 7 7 Door open button To open the door push the door open button 8 8 Viewing scre...

Страница 6: ...he current time 5 5 Clock Used to set clock 6 6 Start Speedy cook Used to start the oven and also used to set a reheat time 7 7 Stop Clear Used to stop the oven operation or to delete the cooking data...

Страница 7: ...grounded outlet Line fuse rating is 20amperes and described on EXPLODED VIEW AND PART LIST Power supply cord is about 0 8 meters long 1 A short power supply cord is provided to reduce the risks result...

Страница 8: ...P 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 doo...

Страница 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...

Страница 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...

Страница 11: ...k from the door painting assembly 6 Remove the barrier screen outer from the frame door 7 Reverse the above steps for reassembly REF No PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3517005390 BARRI...

Страница 12: ...and then push the door to contact the door seal to oven front surface Tighten two screws 3 To reduce gap located on part C Loosen a screw on interlock switch assembly located top of oven body Draw th...

Страница 13: ...Remove the membrane lever door open spring button and button door open from the control panel 6 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3518521890...

Страница 14: ...2 for a fully assembled oven with door normally closed 6 To remove high voltage capacitor 1 Remove a screw which secure the grounding ring terminal of the H V diode and the capacitor holder 2 Remove t...

Страница 15: ...ssembly 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 r...

Страница 16: ...er 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 Loose...

Страница 17: ...nection 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 switc...

Страница 18: ...ontinuity 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...

Страница 19: ...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...

Страница 20: ...viously 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 STOP CLEAR pad is touched 11 Oven lamp and turntable mot...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...23 WIRING DIAGRAM...

Страница 25: ...mer 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 poi...

Страница 26: ...25 Mesurement point MP1 MP2 GND...

Страница 27: ...igital 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 12...

Страница 28: ...27 2 PCB CIRCUIT DIAGRAM...

Страница 29: ...4 R ARRAY RA1 8P 7 1 8 100K OHM J RA 88X104J 1 15 R ARRAY RA2 7P 6 1 8 100K OHM J RA 87X104J 1 16 RESISTOR R2 8 1 6W 330 5 RD AZ331J 7 17 RESISTOR R1 10 12 17 18 22 1 6W 1K 5 RD AZ102J 6 18 RESISTOR R...

Страница 30: ...29 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY KOR 167H KOR 167H9A27 EXPLODED VIEW AND PARTS LIST...

Страница 31: ...6 1 F19 3518302201 CAPACITOR HV 2100VAC 0 98UF 187 1 F20 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 3510...

Страница 32: ...S M NO R161G0A001 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 Mar 2008...

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