Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo Micro Wave KOG-37DP0S KOG37FP

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KOG37FP


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                S/M No. : G37DP0S001




     Service Manual
     Microwave Oven
     Model : KOG-37DP0S
             KOG-37FP0S




DAEWOO ELECTRONICS CO., LTD.
        PRECAUTIONS TO BE OBSERVED BEFORE AND
        DURING SERVICING TO AVOID POSSIBLE
        EXPOSURE TO EXCESSIVE MICROWAVE ENERGY
        (a) Do not operate or allow the oven to be operated with the door open.
        (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other
            micro-wave source, and make repairs as necessary: (1) Interlock operation, (2) proper door closing, (3)
            seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and
            latches, (5) evidence of dropping or abuse.
        (c) Before turning on microwave power for any service test or inspection within the microwave generating
            com-partments, check the magnetron, wave guide or transmission line, and cavity for proper
            alignment, integrity, and connections.
        (d) Any defective or misadjusted components in the interlock, 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 microwave leakage check to verify compliance with the Federal Performance Standard should be
            performed on each oven prior to release to the owner.




     TABLE OF CONTENTS
SAFETY AND PRECAUTIONS .......................................................................................................................................2
  1. FOR SAFE OPERATION .........................................................................................................................................2
  2. FOR SAFE SERVICE PROCEDURES....................................................................................................................2
SPECIFICATIONS............................................................................................................................................................3
EXTERNAL VIEW ............................................................................................................................................................4
  1. OUTER DIMENSION................................................................................................................................................4
  2. FEATURE DIAGRAM ...............................................................................................................................................5
  3. CONTROL PANEL ...................................................................................................................................................6
INSTALLATION................................................................................................................................................................7
OPERATION AND FUNCTIONS .....................................................................................................................................8
DISASSEMBLY AND ASSEMBLY..................................................................................................................................9
INTERLOCK MECHANISM AND ADJUSTMENT ........................................................................................................18
TROUBLE SHOOTING GUIDE......................................................................................................................................19
MEASUREMENT AND TEST ........................................................................................................................................23
  1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT..............................................................................23
  2. MICROWAVE RADIATION TEST..........................................................................................................................24
  3. COMPONENT TEST PROCEDURE .....................................................................................................................25
WIRING DIAGRAM ........................................................................................................................................................26
PRINTED CIRCUIT BOARD ..........................................................................................................................................27
  1. CIRCUIT CHECK PROCEDURE...........................................................................................................................27
  2. P.C.B. CIRCUIT DIAGRAM....................................................................................................................................30
  3. P.C.B. LOCATION NO ...........................................................................................................................................31
EXPLODED VIEW AND PARTS LIST...........................................................................................................................32
  1. DOOR ASSEMBLY ................................................................................................................................................32
  2. CONTROL PANEL ASSEMBLY ............................................................................................................................32
  3. TOTAL ASSEMBLY................................................................................................................................................32


                                                                                     1
SAFETY AND PRECAUTIONS
1.FOR SAFE OPERATION

 Damage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cooking and
 may cause serious bodily injury to the operator.
 IF ANY OF THE FOLLOWING CONDITIONS EXIST, OPERATOR MUST NOT USE THE APPLIANCE.
 (Only a trained service personnel should make repairs.)
 1) A broken door hinge.
 2) A broken door viewing 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.
 No grease, soil or spatter should be allowed to build up on these surfaces or inside the oven.
 DO NOT ATTEMPT TO OPERATE THIS APPLIANCE WITH THE DOOR OPEN. The microwave oven has
 concealed switches to make sure the power is turned off when 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 servicing, a microwave emission check should be performed prior to servicing 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 unit at no cost to the owner,
     (c) attempt to ascertain the cause of the excessive leakage,
     (d) tell the owner of the unit not to use the unit until the oven has been brought into compliance.
 3) If the oven operates with the door open, the service person should tell the user not to operate the oven and contact
    the manufacturer immediately.



 important
 The wires in this mains lead coloured in accordance with the following code.
                    Green-and-yellow       : Earth
                    Blue                   : Neutral
                    Brown                  : Live
 As the colours of the wires in the mains lead of this appliance may not correspond with the coloured
 markings identifying the terminals in your plug, proceed as follows:
 The wire which is coloured green-and-yellow must be connected the the terminal in the plug which is
 marked with the letter `E' or by earth symbol or green-and-yellow.
 The wire which is coloured blue must be connected to the terminal which is marked with the letter `N'
 or coloured black.
 The wire which is coloured brown must be connected to the terminal which is marked with the letter `L'
 or coloured red.




 NOTE : This oven is designed for counter-top use only.




                                                           2
SPECIFICATIONS
  MODEL                                                  KOG-37DP0S
  POWER SUPPLY                              230V-50Hz, SINGLE PHASE WITH EARTHING
                    MICROWAVE                               1200W
  POWER
                    GRILL                                   1050W
  CONSUMPTION
                    COMBINATION                             2200W
  MICROWAVE ENERGY OUTPUT                                    800W
  MICROWAVE FREQUENCY                                      2450MHz
  OUTSIDE DIMENSIONS (W X H X D)               465x279x342mm (18.3x11.0x13.5 in.)
  CAVITY DIMENSIONS (W X H X D)                290x220x306mm (11.4x8.7x12.0 in.)
  NET WEIGHT                                        APPROX. 14Kg (30.9 lbs.)
  TIMER                                                  59 min. 90 sec.
  FUNCTION SELECTIONS                                    MICROWAVE
  POWER SELECTIONS                                         4 LEVELS
  CAVITY VOLUME                                            0.7 Cu.Ft.
* SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.




  MODEL                                                  KOG-37FP0S
  POWER SUPPLY                              230V-50Hz, SINGLE PHASE WITH EARTHING
                    MICROWAVE                               1200W
  POWER
                    GRILL                                   1050W
  CONSUMPTION
                    COMBINATION                             2200W
  MICROWAVE ENERGY OUTPUT                                    800W
  MICROWAVE FREQUENCY                                      2450MHz
  OUTSIDE DIMENSIONS (W X H X D)               465x279x346mm (18.3x11.0x13.6 in.)
  CAVITY DIMENSIONS (W X H X D)                290x220x306mm (11.4x8.7x12.0 in.)
  NET WEIGHT                                        APPROX. 14Kg (30.9 lbs.)
  TIMER                                                  59 min. 90 sec.
  FUNCTION SELECTIONS                                    MICROWAVE
  POWER SELECTIONS                                         4 LEVELS
  CAVITY VOLUME                                            0.7 Cu.Ft.
* SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.




                                           3
EXTERNAL VIEWS
1. OUTER DIMENSION
 (1) KOG-37DP0S




 (2) KOG-37FP0S




                     4
2. FEATURE DIAGRAM




                              1                    2           3          4          5




                                                                                                          6




                                                                                                          7



                         w q         0         9               8




1. Door seal - Door seal maintains the microwave energy            9. Roller guide - This must always be used for cooking
   within the oven cavity and prevents microwave                      together with the glass cooking tray.
   leakage.
                                                                   10. Glass cooking tray - Made of special heat resistant
2. Reflector (Insulator Heater)                                       gkass. Food in a proper receptacle is placed on this
                                                                      tray for cooking.
3. Heating Element
                                                                   11. Door viewing screen - Allows viewing of food. The
4. Oven cavity
                                                                      screen is designed so that light can pass through, but
5. Safety interlock system                                            not the microwave.
6. Door release button - By pushing this button the latch          12. Door hook - When the door is closed, it will
   system cut off all circuits and stops the oven before             automatically shut off. If the door is opened while the
   the door is opened.                                               oven is operating, the magnetron will immediately stop
                                                                     operating.
7. Metal Rack
8. Coupler - This fits over the shaft in the center of the
   ovens cavity floor. This is to remain in the oven for all
   cooking.



                                                               5
3. CONTROL PANEL



                                                     Auto Def. Grill Combi g



                                                                                                   e
                                                     Hight Low Warm Timer




                                  r        1                  2
                                                                  KOG-37DP
                                                                                 3
                                                     Frozen          Croissant          Chicken
                                                     Pizza                              Piece


                                                  WEIGHT


                                  t             1. Small Piece
                                                2. Big Piece                                       y
                                                       Combi Grill
                                                                                                   i
                                  u             M/W                Grill             Combi
                                                                                                   o
                                  p                   Kitchen
                                                       Timer                 Clock                 a
                                                                                                   s
                                                ur                  in.               in.
                                           1ho                10m                1m
                                           10m.                   1m.                10s.


                                  d            Stop/Clear                        Start             f




13. Display - Cooking time, power level, indicators and                    19. Combination - Used to cook combination.
    present time are displayed.
                                                                           20. Kitchen Timer - Used to set a minute timer.
14. Auto Weight - Used to cook or reheat three foods by
                                                                           21. Clock - Used to set clock.
    setting the weight.
                                                                           22. Time set pads - Used to set the cooking time and
15. Auto weight Defrost - Used to defrost two foods by
                                                                               the present time.
    setting the weight.
                                                                           23. Stop/Clear - Used to stop the oven operation or to
16. Weight set pads - Used to set the weight.
                                                                               erase all entries.
17. M/W - Used to set microwave power level.
                                                                           24. Start - Used to start the oven operation.
18. Grill - Used to cook grill.




                                                                     6
INSTALLATION
1. Steady, flat location
   This microwave oven should be set on a steady, flat surface.
   This microwave oven is designed for counter top use only.

2. Leave space behind and side
   All air vents shouls be kept a clearance. If all vents are covered during operation, the oven may overheat and,
   eventually, cause failure.

3. Away from radio and TV sets
   Poor television reception and radio interference may result if the oven is located close to a TV, radio, antenna or
   feeder and so on. Position the oven as far from them as possinle.

4. Away from heating appliances and water taps
   Keep the oven away from hot air, steam or splash when choosing a place to position it, or the insulation might be
   adversely affected and breakdowns occur.

5. Power supply
   



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