Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo KOT KOT-150S0A & 151S0A & 152U0A & 152C0A & 155S0A KOT-150S0A & 151S0A & 152U0A & 152C0A & 155S0A

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            S/M No. : T150S0A003




   Service Manual
   Microwave Oven
   Model: KOT-150S0A
          KOT-151S0A
          KOT-152U0A
          KOT-152C0A
          KOT-155S0A




DAEWOO ELECTRONICS CO., LTD.
http : //svc.dwe.co.kr Feb. 2002
        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 if 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 power to the microwave oven for any service test or inspection within the microwave gen-
             erating compartments, check the magnetron, wave guide or transmission line, and cavity for proper align-
             ment, 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 per-
             formed on each oven prior to release to the owner.




     TABLE OF CONTENTS

PROPER USE AND SERVICE PRECAUTIONS .................................................................................................................2

SPECIFICATIONS ...............................................................................................................................................................3

EXTERNAL VIEW................................................................................................................................................................4

INSTALLATION ...................................................................................................................................................................4

OPERATIONS AND FUNCTIONS.......................................................................................................................................4

DISASSEMBLY AND ASSEMBLY......................................................................................................................................5

TROUBLE SHOOTING GUIDE .........................................................................................................................................33

MEASUREMENT AND TEST ............................................................................................................................................34

WIRING DIAGRAM............................................................................................................................................................42

PRINTED CIRCUIT BOARD..............................................................................................................................................46

EXPLODED VIEW AND PARTS LIST...............................................................................................................................61




                                                                                       1
PROPER USE AND SERVICE PRECAUTIONS

  CAUTION :
  This Device is to be Serviced Only by Properly Qualified Service Personnel.
  Consult the Service Manual for Proper Service Procedures to Assure Cotinued Safey Operation and for
  Precautions to be Taken to Avoid Possible Exposure to Excessive Microwave Energy.




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 have excessive emission level 5mW/cm2, the service person should:
    (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 and CDRH immediately.




  CAUTION :
  Microwave Radiation
  Personnel Should not Be Exposed to the Microwave Energy Which May Radiate from the Magnetron or Other
  Microwave Generating device if it is Improperly Used or Connected. All Input and Output Microwave
  Connections. Wave-Guides, Flanges and Gaskets Must be Secured. Never Operate the Device Without a
  Microwave Energy Absorbing Load Attached. Never Look Into an Open waveguide or Antenna While the Device
  is Energized.




                                                           2
SPECIFICATIONS
                          Model                              KOT-150S, KOT-151S, KOT-152U, KOT-152C, KOT-155S
 Power Supply                                                120V ~ 60 Hz
 Rated Current                                               14.0 A (microwave oven only).
                                Power Consumption            1600W, Max.
 Microwave                      Output Power (IEC 705)       1000W
                                Frequency                    2450 MHz 

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