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1. DOOR 

SEAL

Door seal maintains the microwave within the oven cavity and prevents microwave leakage.

2. DOOR 

HOOK

When the door is closed, it will automatically lock shut. If door is opened while oven is operating, magnetron tube will
immediately stop operating.

3. DOOR 

SCREEN

Allows viewing of food. Microwave cannot pass through perforations in screen.

4. SPATTER 

SHIELD

Protects the microwave outlet from splashes of cooking foods.

5. OVEN 

LAMP

Automatically turns on during oven operating.

6.  SAFETY INTERLOCK SYSTEM

7. CONTROL 

PANEL

8.  GLASS COOKING TRAY

Made of special heat resistant glass. The tray must always be in proper position before operating. Do not cook food
directly on the tray.

9.  OVEN FRONT PLATE

10.  DOOR OPENING BUTTON

To open the door push the door opening button. When door is closed, it will automatically lock shut. If door is opened
while oven is operating, magnetron tube will immediately stop operating.

11. ROLLER GUIDE

Supports the glass cooling tray.

2. FEATURE DIAGRAM

Summary of Contents for KOR-6NDB

Page 1: ...Service Manual Model KOR 6NDB Microwave Oven Jan 2006 S M No R6NDB3A001...

Page 2: ...k 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 microwa...

Page 3: ...ing the oven 2 If any certified 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...

Page 4: ...700W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 465 x 279 x 323 mm 18 3 x 11 0 x 12 7 in CAVITY DIMENSIONS W X H X D 301 x 219 x 283 mm 11 8 x 8 6 x 11 1 in NET WEIGHT Approx 11 5 kg 25...

Page 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION 323 465 279...

Page 6: ...outlet from splashes of cooking foods 5 OVEN LAMP Automatically turns on during oven operating 6 SAFETY INTERLOCK SYSTEM 7 CONTROL PANEL 8 GLASS COOKING TRAY Made of special heat resistant glass The...

Page 7: ...fic quantities of food 4 More Used to add time to cooking 5 Less Used to remove time from cooking 6 Power Used to set power level 7 Def Used to defrost foods for time 8 Clock Used to set clock 9 Stop...

Page 8: ...approximately 10 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 resulting from becoming entangled in or t...

Page 9: ...n operatiion the oven stops cooking and all information retained To erase all information except the present time touch the CANCEL button once more If the oven door is opened during the oven operation...

Page 10: ...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 11: ...ard 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 doo...

Page 12: ...en outer from door frame 6 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3512203880 FRAME DOOR PP SI83C 1 A02 3517007300 BARRIER SCREEN 0 PET T0 125 1 A...

Page 13: ...ge top and then push the door to contact the door seal to oven front surface Tighten two screws 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push the door to con...

Page 14: ...B assembly 5 Detach membrane from the control panel 6 Remove door open button and button spring from the control panel 7 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q...

Page 15: ...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 16: ...assembly 3 Pull the fan from the motor shaft 4 Remove two screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Reverse the above steps for reassembly 9 To remove H V transformer...

Page 17: ...losed the hook pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under OFF condition and presses the button of the secondary interlock switch...

Page 18: ...ted 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 co...

Page 19: ...place Connect megger leads to mag netron terminal and magnetron body Continuity Defective mag netron Replace Check resistance of primary and secondary coil of high voltage transformer 0 or Defective h...

Page 20: ...ity Adjust or replace Check D C voltage being sup plied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 12 VDC Replace Display do n...

Page 21: ...jumps in time while counting down 19 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when cancel button is touched 11 Oven lamp and turntable motor do no...

Page 22: ...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 23: ...net 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 i...

Page 24: ...er 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 6V 9V or higher voltage batteries s...

Page 25: ...24 WIRING DIAGRAM...

Page 26: ...NOTE Each measure point must be measured with GND point NOTE 1 Refer to Circuit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power so...

Page 27: ...26 MP1 MP2 GND...

Page 28: ...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...

Page 29: ...28 2 PCB CIRCUIT DIAGRAM...

Page 30: ...KTA1266Y AUTO 1015Y TZTA1266Y 1 18 TR Q09 11 KRC106M AUTO TZRC106M 3 19 R ARRAY RA1 8P 7 1 8 100K OHM J RA 88X104J 1 20 R ARRAY RA2 7P 6 1 8 100K OHM J RA 87X104J 1 21 PCB MAIN BOARD M158 1 3514315411...

Page 31: ...TR Q06 KTA1266Y AUTO 1015Y TZTA1266Y 1 18 TR Q09 11 KRC106M AUTO TZRC106M 3 19 R ARRAY RA1 8P 7 1 8 100K OHM J RA 88X104J 1 20 R ARRAY RA2 7P 6 1 8 100K OHM J RA 87X104J 1 21 PCB MAIN BOARD M158 1 351...

Page 32: ...31 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 33: ...4X8 MFZN 1 F18 3513003200 HOLDER HV CAPACITOR SECC T0 6 1 F19 3518301501 CAPACITOR HV 2100VAC 0 77UF 187 1 F20 3518400900 DIODE HV AS HVR 1X 30B 187 1 F21 3518118291 TRANS HV DY R70A0 63T A 1 F22 351...

Page 34: ...S M NO R6NDB3A001 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 Jan 2006...

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