Daewoo KOR-137B Service Manual Download | Manualshive

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Service Manual

Model

:

KOR-137

B

Microwave Oven

Dic. 2007

S/M No. :

OR137H9001

KOR-137H

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Summary of Contents for KOR-137B

Page 1: ...Service Manual Model KOR 137B Microwave Oven Dic 2007 S M No OR137H9001 KOR 137H...

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 Fe...

Page 3: ...servicing the oven 2 If any certified oven unit is found to have excessive emission level 5mW cm the service person should a inform the manufacturer importer or assembler b repair the unit at no cost...

Page 4: ...MHz OUTSIDE DIMENSIONS W H D 563 x 318 x 420 mm 22 2 x 12 5 x 16 5 in CAVITY DIMENSIONS W H D 380 x 246 x 386 mm 15 0 x 9 7 x 15 2 in CAVITY VOLUME 1 3 cu ft NET WEIGHT APPROX 15 5 kg 34 2 lbs TIMER 9...

Page 5: ...er 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 open th...

Page 6: ...t 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 8 8 Defr...

Page 7: ...crowave oven requires a current of approximately 12 amperes 120Volts 60Hz grounded outlet Power supply cord is about 0 8 meters long 1 A short power supply cord is provided to reduce the risks resulti...

Page 8: ...uring 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 o...

Page 9: ...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 or checking parts shor...

Page 10: ...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 a...

Page 11: ...3512302200 GASKET DOOR PP 5113MF6 1 A07 3513101400 HOOK POM 1 A08 3515101900 SPRING PW 1 1 1 Remove the gasket door from the door painting assembly 2 Remove the barrier screen inner from the door pain...

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

Page 13: ...el 5 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 35169...

Page 14: ...ge circuit wiring 7 To remove magnetron 1 Remove the screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly NOTE Never install the magnetron without the metal...

Page 15: ...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 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...

Page 17: ...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 contac...

Page 18: ...nuity 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 do...

Page 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...

Page 20: ...ing down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when the STOP CLEAR pad is touched in case of setting the present time 11 Oven lamp and turnta...

Page 21: ...el 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 follow...

Page 22: ...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 is u...

Page 23: ...ance 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 A normal diode s resistance will b...

Page 24: ...23 WIRING DIAGRAM S N 3513508100...

Page 25: ...er 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 poin...

Page 26: ...25 Measurement point MP1 MP2 GND...

Page 27: ...digital 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 1...

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

Page 29: ...19 R20 1 6W 10K 5 RD AZ103J 3 21 RESISTOR R14 1 6W 1M 5 RD AZ105J 1 22 RESISTOR R21 1 6W 51 5 RD 4Z510J 1 23 RESISTOR CERA CR1 CRT 4 00MS 5P4R00MTS 1 24 IC REGULATOR VL1 MC7805C 1CPMC7805C 1 25 TRANSI...

Page 30: ...29 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...

Page 31: ...100VAC 0 95UF 187 75MM 1 F20 3518400900 DIODE HV HVR 1X 3AB 12KV 187 1 F21 3518117930 TRANS HV DWAR 10A0 13T 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510313400 BASE SBHG T0 7 1 F24 7...

Page 32: ...S M NO 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 Apr 2007...

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