Microwave Oven
Service Manual
KOG-371H0S
KOG-376T1S
TABLE OF CONTENTS
1. FOR SAFE OPERATION
SAFETY AND PRECAUTIONS
2. FOR SAFE SERVICE PROCEDURES
KOG-371G/H/R0S, KOG-374R/5R0S
SPECIFICATIONS
465/495
EXTERNAL VIEW
365/392
279/294
360/388
465/495
4 KOG-371R0S, KOG-391R0S
279/294 5 KOG-374R0S
5. SEFETY INTERLOCK SYSTEM
2. REFLECTORInsulator Heater 3. HEATING ELEMENT 4. OVEN CAVITY
7. METAL RACK
2. FEATURE DIAGRAM
2 KOG-376T1S, KOG-396T1S
5. SEFETY INTERLOCK SYSTEM 6. CONTROL PANEL 7. METAL RACK
2. REFLECTORInsulator Heater 3. HEATING ELEMENT 4. OVEN CAVITY
8. METAL RACK
5. SEFETY INTERLOCK SYSTEM 6. CONTROL PANEL 7. DOOR OPENING BUTTON
2. REFLECTORInsulator Heater 3. HEATING ELEMENT 4. OVEN CAVITY
3 KOG-371R0S, KOG-391R0S
4 KOG-374R0S
5. SEFETY INTERLOCK SYSTEM 6. METAL RACK
2. REFLECTORInsulator Heater 3. HEATING ELEMENT 4. OVEN CAVITY
5 KOG-375R0S
2. REFLECTORInsulator Heater 3. HEATING ELEMENT 4. OVEN CAVITY
5. SEFETY INTERLOCK SYSTEM 6. METAL RACK
2. REFLECTORInsulator Heater 3. HEATING ELEMENT 4. OVEN CAVITY
q 0 9
5. SEFETY INTERLOCK SYSTEM 6. METAL RACK
6 KOG-373R0S, KOG-393R0S
11. DEFROST
2 KOG-371H0S, KOG-391H0S
10. DEFROST
2. Clock - Used to set clock
Weight Time Clock
Power/Def
Grill/Combi
1. Dinner plate
3. Beverage 4. Fresh Vegetable
Power/Def Grill/Combi Clock Auto Cook 1. Dinner Plate 2. Soup
Stop/Clear
igh T
4 KOG-375R0S
5 KOG-373R0S, KOG-393R0S
5. Power supply
INSTALLATION
7. Do not operate the oven if it is colder than room temperature
1. Steady, flat location
or button
OPERATION AND FUNCTIONS
Cautions to be observed when trouble shooting
DISASSEMBLY AND ASSEMBLY
2. To remove door assembly
DISASSEMBLY AND ASSEMBLY
2 Remove the door assembly from top plate of cavity
3 Reverse the above for reassembly
Page
1 Remove the gasket door from door plate
REF. NO
1 Remove the gasket door from door plate
SPECIAL DOUBLE TAPE
Page
PART CODE
REF NO
PART NAME
DESCRIPTION
1 To reduce gap located on part ‘A’
REF. NO
Page
5. To remove control panel parts
REF. NO
T2 PAN 3X10 PW MFZN
3513404620
PART CODE
REF NO
PART NAME
DESCRIPTION
REF. NO
6. To remove high voltage capacitor
High voltage circuit wiring 7. To remove magnetron
9. To remove H.V.transformer
8. To remove wind guide assembly
11. To remove heater assmbly
10. To remove tray motor
REF. NO
12. To remove heater parts
PART CODE
PART NAME
ADJUSTMENT
INTERLOCK MECHANISM AND ADJUSTMENT
INTERLOCK MECHANISM AND ADJUSTMENT
Disconnect high voltage fuse
TROUBLE SHOOTING GUIDE
Malfunction of
CONDITION
TROUBLE SHOOTING GUIDE
Continuity in
CONDITION
of control box
NOTE KOG-371G/H, KOG-391G/H
MEASUREMENT AND TEST
1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT
2. MICROWAVE RADIATION TEST
1. High voltage transformer
3. COMPONENT TEST PROCEDURE
2. High voltage capacitor
3. High voltage diode
WIRING DIAGRAM
2 KOG-396T1S
PRINTED CIRCUIT BOARD KOG-371G/H0S, KOG-391G/H0S
1. CIRCUIT CHECK PROCEDURE
Mesurement point
RELAY 1 OFF
Replace door open monitor switch
1 DOOR OPEN
OPEN
2. P.C.B. CIRCUIT DIAGRAM
CEXF1E102V
3. P.C.B. LOCATION NO
TZRA102M
TZTA1266Y
SPECIFICATION
SYMBOL
NAME
PART CODE
MEASURE POINT
PRINTED CIRCUIT BOARD KOG-376T1S, KOG-396T1S
1. CIRCUIT CHECK PROCEDURE
Mesurement point
3. When there is no microwave oscillation
2. P.C.B. CIRCUIT DIAGRAM
SDB161PVB17F
3. P.C.B. LOCATION NO
2 KOG-396T1S
1. CIRCUIT CHECK PROCEDURE
PRINTED CIRCUIT BOARD KOG-371R0S, KOG-391R0S
Mesurement point
3. When there is no microwave oscillation
2. P.C.B. CIRCUIT DIAGRAM
SPECIFICATION
SYMBOL
3. P.C.B. LOCATION NO
NAME
SPECIFICATION
SYMBOL
NAME
PART CODE
PRINTED CIRCUIT BOARD KOG-374R0S, KOG-375R0S
1. CIRCUIT CHECK PROCEDURE
1. Low Voltage Transformer check
2. Voltage check
Mesurement point
3. When there is no microwave oscillation
2. P.C.B. CIRCUIT DIAGRAM
SPECIFICATION
SYMBOL
3. P.C.B. LOCATION NO
NAME
1. CIRCUIT CHECK PROCEDURE
PRINTED CIRCUIT BOARD KOG-373R0S, KOG-393R0S
1. Low Voltage Transformer check
2. Voltage check
Mesurement point
3. When there is no microwave oscillation
2. P.C.B. CIRCUIT DIAGRAM
SPECIFICATION
SYMBOL
3. P.C.B. LOCATION NO
NAME
SPECIFICATION
SYMBOL
NAME
NAME
1. DOOR ASSEMBLY
EXPLODED VIEW AND PARTS LIST KOG-371G/H/R0S, KOG-391G/H/R0S
2. CONTROL PANEL ASSEMBLY
3. TOTAL ASSEMBLY
PART CODE
REF NO
PART NAME
DESCRIPTION
PART CODE
REF NO
PART NAME
DESCRIPTION
PART CODE
REF NO
PART NAME
DESCRIPTION
PART CODE
REF NO
PART NAME
DESCRIPTION
1. DOOR ASSEMBLY
EXPLODED VIEW AND PARTS LIST KOG-376T1S, KOG-396T1S
2. CONTROL PANEL ASSEMBLY
3. TOTAL ASSEMBLY
PART CODE
REF NO
PART NAME
DESCRIPTION
PART CODE
REF NO
PART NAME
DESCRIPTION
2 KOG-396T1S
PART NAME
PART CODE
DESCRIPTION
SUPPLY
1. DOOR ASSEMBLY
EXPLODED VIEW AND PARTS LIST KOG-374R0S
2. CONTROL PANEL ASSEMBLY
3. TOTAL ASSEMBLY
PART NAME
PART CODE
DESCRIPTION
SUPPLY
1. DOOR ASSEMBLY
EXPLODED VIEW AND PARTS LIST KOG-375R0S
2. CONTROL PANEL ASSEMBLY
3. TOTAL ASSEMBLY
PART NAME
PART CODE
DESCRIPTION
SUPPLY
1. DOOR ASSEMBLY
EXPLODED VIEW AND PARTS LIST KOG-373R0S, KOG-393R0S
2. CONTROL PANEL ASSEMBLY
3. TOTAL ASSEMBLY
PART CODE
REF NO
PART NAME
DESCRIPTION
PART CODE
REF NO
PART NAME
DESCRIPTION
PART CODE
REF NO
PART NAME
DESCRIPTION
PART CODE
REF NO
PART NAME
DESCRIPTION
686, AHYEON-DONG MAPO-GU SEOUL, KOREA
PRINTED DATE Dec
C.P.O. BOX 8003 SEOUL, KOREA TELEX DWELEC K28177-8 CABLE “DAEWOOELEC”
E-MAIL G7F00E@web.dwe.co.kr FAX 02 TEL 02 360-8179~8180