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