Daewoo KOR-636T User Manual
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AFETY AND PRECAUTIONS
1. FOR SAFE OPERATION
D am age that allow s the m icrow ave energy (that cooks or heats the food) to escape w ill result in poor cooking and m ay cause
serious bodily injury to the operator.
IF A N Y O F TH E FOLLO W IN G CO N D ITIO N S E X IS T, O P E RATO R M U S T N O T US E TH E A P P LIA N C E .
(O nly a trained service personnel should m ake repairs.)
1) A broken door hinge.
2) A broken door view ing screen.
3) A broken front panel, oven cavity.
4) A loosened door lock.
5) A broken door lock.
The door gasket plate and oven cavity surface should be kept clean.
N o grease, soil or spatter should be allow ed to build up on these surfaces or inside the oven.
D O N OT ATTE M PT TO O P E R ATE THIS A P P LIA N CE W ITH TH E D O O R O P EN . The m icrow ave oven has concealed sw itches
to m ake sure the power is turned off w hen the door is opened. D o not attem pt to defeat them .
D O N OT ATTE M PT TO S E RV IC E TH IS A P P LIA N C E U N TIL Y O U H AVE R E A D THIS S E RV IC E M A NU A L.
2. FOR SAFE SERVICE PROCEDURES
1) If the oven is operative prior to servicing, a m icrowave em ission check should be perform ed prior to servicing the oven.
2) If any certified oven unit is found to servicing, a m icrowave em ission check should be perform ed prior to servicing the oven.
(a) inform the m anufacturer, im porter or assem bler,
(b) repair the unit at no cost to the ow ner,
(c) attem pt to ascertain the cause of the excessive leakage,
(d) tell the ow ner of the unit not to use the unit until the oven has been brought into com pliance.
3) If the oven operates with the door open, the service person should tell the user not to operate the oven and contact the
m anufacturer im m ediately.
IMPORTANT
The w ire in this m ains lead coloured in accordance w ith the follow ing code.
G reen-and-yellow : E arth
B lue
B row n
A s the colours of the w ires in the m anins lead of this appliance m ay not correspond w ith the coloured m arkings
identifying the term inals in your plug, proceed as follow s.
The w ire w hich is coloured green-and-yellow m ust be connected to the term ianl in the plug w hich is m arked with the
letter 'E ', earth sym bol or coloured green-and-yellow.
The w ire w hich is coloured blue m ust be connected to the term inal which is m arked w ith the letter 'N ' or
coloured black.
The w ire w hich is coloured brow n m ust be connected to the term inal w hich is m arked w ith the letter 'L' or
coloured red.
NOTE
This oven is designed for counter-top use only.
: N eutral
: Live


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  • Page 1 AFETY AND PRECAUTIONS 1. FOR SAFE OPERATION D am age that allow s the m icrow ave energy (that cooks or heats the food) to escape w ill result in poor cooking and m ay cause serious bodily injury to the operator. IF A N Y O F TH E FOLLO W IN G CO N D ITIO N S E X IS T, O P E RATO R M U S T N O T US E TH E A P P LIA N C E .
  • Page 2: Specifications Are Subject To Change W Ithout Notice

    SPECIFICATIONS M O D EL K O R -636T K O R -866T PO W E R SU P PLY 230V -50H z, SIN G LE PH AS E W ITH E AR TH IN G M IC R O W AVE 1200W 1350W PO W E R...
  • Page 3: External View

    EXTERNAL VIEW 1. OUTER DIMENSION (KOR-636T/KOR-866T)
  • Page 4: Feature Diagram

    EXTERNAL VIEW 2. FEATURE DIAGRAM 1. DOOR SEAL Door seal m aintains the m icrowave within the oven cavity and prevents m icrowave leakage. 2. DOOR HOOK W hen door is closed, it will autom atically lock shut. If door is opened while oven is operating, m agnetron tube will im m ediately stop operating.
  • Page 5: Control Panel

    EXTERNAL VIEW 3. CONTROL PANEL 1. Display - Cooking tim e, power level, indicators and present tim e are displayed. 2. Clock - Used to set clock. 3. Start/Easy Cook - Used to start operation, also for easy start (each press adds 30 seconds easy cooking tim e). 4.
  • Page 6: Installation

    INSTALLATION 1. Steady, flat location This m icrow ave oven should be set on a steady, flat surface. This m icrow ave oven is designed for counter top use only. 2. Leave space behind and side A ll air vents should be kept a clearance. If all vents are covered during operation, the oven m ay overheat and, eventually, cause failure.
  • Page 7: Operations And Functions

    OPERATIONS AND FUNCTIONS 1. Connect the m ain lead to an electrical outlet. 2. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray m ust always be in place during cooking. 3.
  • Page 8: Disassembly And Assembly

    DISASSEMBLY AND ASSEMBLY Cautions to be observed when trouble shooting Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safe during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit. You are asked to observe the following precautions carefully.
  • Page 9 DISASSEMBLY AND ASSEMBLY 1. To remove cabinet 1) Rem ove three screws on cabinet back. 2) Push the cabinet backward. 2. To remove door assem bly 1) Rem ove a screw which secure the stopper hinge top. 2) Rem ove the door assem bly from top plate of cavity. 3) Reverse the above for reassem bly.
  • Page 10 DISASSEMBLY AND ASSEMBLY 3. To remove door parts. (1) KOR-636T1S REF. NO PA RT CODE PART N AME DESCRIPTION Q TY REMARK 3512203830 FRAM E DOOR 3517005610 BARRIER-SCREEN *0 PM MA 1.5t 3515306500 SUPPOTER BARR-S *0 3511603800 DECORATOR D OOR 3511706100 DOOR PAINTING AS KOR-61150S...
  • Page 11 DISASSEMBLY AND ASSEMBLY 1) Rem ove the gasket door from door plate. 2) Rem ove a screw which secure the door plate and door fram e. 3) Rem ove the door fram e from door plate. 4) Rem ove the stopper hinge top from door plate. 5) Rem ove the spring and the hook.
  • Page 12 DISASSEMBLY AND ASSEMBLY 5. To remove control panel parts. (1) KOR-636T1S REF. NO PART CODE PART NAM E DESCRIPTION 3516719440 CONTROL-PANEL 3515501510 WINDOW DISPLAY PMMA 3511603900 DECO RATOR C-PANEL 3516907410 BUTTON FUNCTIO N 3516907510 BUTTON FUNCTIO N 3516907610 BUTTON START 3517401700 COUPLER VP C KNO B PO M...
  • Page 13 DISASSEMBLY AND ASSEMBLY 1) Remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assem bly. 2) Rem ove nine screws which secure the PCB assem bly to control panel. 3) Rem ove the button and knobs from the control panel. 4) Rem ove the decorator c-panel from the control panel.
  • Page 14 DISASSEMBLY AND ASSEMBLY 8. To remove wind guide assembly. 1) Rem ove a screw for earthing. 2) Rem ove the noise filter from the wind guide. 3) Rem ove a screw which secure the wind guide assem bly. 4) Draw forward the wind guide assem bly. 5) Pull the fan from the m otor shaft.
  • Page 15: Interlock Mechanism And Adjustment

    INTERLOCK MECHANISM AND ADJUSTMENT The door lock m echanism is a device which has been specially designed to com pletely elim inate m icrowave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. Hook Primary interlock...
  • Page 16: Troubleshooting Guide

    TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1) Check earthing before trouble checking. 2) Be careful of the high voltage circuit. 3) Discharge the high voltage capacitor. 4) W hen checking the continuity of the switches, fuse or high voltage transform er, disconnect one lead wire from these parts and check continuity with the AC plug removed.
  • Page 17 TROUBLE SHOOTING GUIDE CON DITION CHECK RESULT CAUSE REM EDY R eplace C heck con tinuity of D efective O utlet has m agn etron C ontinuity m agn etron proper voltage Fuse does not blow. R eplace C heck con tinuity of D efective line noise filter board C ontinuity...
  • Page 18 TROUBLE SHOOTING GUIDE ( TROUBLE 3 ) No m icrowave oscillation even though fan m otor rotates. N o C ontinuity o m icrowave C heck continuity of high oscillation voltage fuse R eplace high voltage fuse Replace Continuity Defective C heck continuity of high high voltage voltage capacitor...
  • Page 19 TROUBLE SHOOTING GUIDE ( TROUBLE 4 ) The following visual conditions indicate a probable defective touch control circuit 1. Incom plete segm ents, 1) Segm ents m issing. 2) Partical segm ents m issing. 3) Digit flickering other than norm al display slight flickering.
  • Page 20: Measurement And Test

    MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT M icrowave output power can be checked by indirectly m easuring the tem perature rise of a certain am ount of water exposed to the m icrowave as directed below. PROCEDURE 1.
  • Page 21: Microwave Radiation Test

    MEASUREMENT AND TEST 2. MICROWAVE RADIATION TEST CAUTION 1. M ake sure to check the m icrowave leakage before and after repair of adjustm ent. 2. Always start m easuring of an unknown field to assure safety for operating personnel from m icrowave energy. 3.
  • Page 22: Component Test Procedure

    MEASUREMENT AND TEST 3. COMPONENT TEST PROCEDURE High voltage is present at the high voltage term inal of the high voltage transform er during any cooking cycle. It is neither necessary nor advisable to attem pt m easurem ent of the high voltage. Before touching any oven components or wiring, always unplug the oven from its power source and discharge the capacitor.
  • Page 23: Wiring Diagram

    WIRING DIAGRAM...
  • Page 24: Printed Circuit Board

    PRINTED CIRCUIT BOARD 1. CIRCUIT CHECK PROCEDURE 1. Low voltage transformer check The low voltage transform er is located on the P.C.B. M easuring condition: Input voltage: 230 V / Frequency: 50Hz Term inal Voltage LO AD N O LO A D 8 - 9 A C 23 V A C 27.7 V...
  • Page 25 PRINTED CIRCUIT BOARD M P1 M P2 Measure Point...
  • Page 26 PRINTED CIRCUIT BOARD 3. W hen there is no microwave oscillation 1) W hen touching START pad, oven lam p does not turn on. Fan m otor do not rotate, but cook indicator in display com es on.  Cause : RELAY 2 does not operate. refer to Circuit Diagram ( Point 3) - Check m ethod POINT STATE...
  • Page 27: Circuit Diagram

    PRINTED CIRCUIT BOARD 2. P.C.B. CIRCUIT DIAGRAM...
  • Page 28: Specification

    PRINTED CIRCUIT BOARD 3. P.C.B. LOCATION NO (1) KOR-636T1S N AME SYM BOL SPECIFICATIO N PART CODE Q'TY B UZ Z E R B Z 1 BM -20K 3515600100 C A R R AY C A 1 5P (6) 102 M 50V C N 4XB -102M C APAC ITO R ELE C E C 1,2...
  • Page 29 PRINTED CIRCUIT BOARD (2) KOR-866T1S NAME SYMB OL SPECIFICATION PA RT CODE Q'TY B UZ Z E R B Z 1 B M -20K 3515600100 C AR R AY C A 1 5P (6) 102 M 50V C N4X B -102M C APAC ITO R ELE C E C 1,2 50V RS S 10uF...
  • Page 30: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST 1. DOOR ASSEMBLY Refer to Disassem bly and assem bly. 2. CONTROL PANEL ASSEMBLY Refer to Disassem bly and assem bly. 3. TOTAL ASSEMBLY...
  • Page 31 EXPLODED VIEW AND PARTS LIST (1) KOR-636T1S REF NO PART CODE PART NAME DESCRIPTION Q'TY 3511710380 DOOR AS KOR-636T1S 3516720960 CONTROL PANEL AS KOR-636T1S 3510801310 CABINET PCM T0.36 GE 7112401011 SCREW TAPPING T1 TRS 4*10 M FZN 3516109000 CAVITY W ELD AS CAVITY W ELD AS 3516109600 CAVITY JOINT AS...
  • Page 32 EXPLODED VIEW AND PARTS LIST (2) KOR-866T1S REF NO PART CODE PART NAME DESCRIPTION Q'TY 3511710770 DOOR AS KOR-866T1S 3516721060 CONTROL PANEL AS KOR-866T1S 3510801400 CABINET PCM T0.6 7112401011 SCREW TAPPING T1 TRS 4*10 M FZN 3516109200 CAVITY W ELD AS CAVITY W ELD AS 3516109700 CAVITY JOINT AS...

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