Daewoo KOR-631H0P, KOR-631G0P, KOR-861G0P service manual Hen touching Start pad, oven lamp turns on

Page 29

PRINTED CIRCUIT BOARD

3. W hen there is no microwave oscillation

1)W hen touching START pad, oven lamp does not turn on.

￿Fan motor do not rotate, but cook indicator in display comes on.

Cause : RELAY 2 does not operate. ￿refer to Circuit Diagram ( Point 3) - Check method

 

POINT

A

B

STATE

 

 

 

 

RELAY 2 O N

 

- 5V DC

G N D

 

 

 

 

RELAY 2 O FF

 

G N D

- 12V DC

 

 

 

 

2)W hen touching START pad, oven lamp turns on.

￿Fan motor and turntable rotate and cook indicator in display comes on. Cause : RELAY 1 does not operate. ￿refer to Circuit Diagram ( Point 2 )

- Check method

 

POINT

A

B

STATE

 

 

 

 

RELAY 1 O N

 

-5VD C

G ND

 

 

 

 

RELAY 1 O FF

 

G ND

-12VD C

 

 

 

 

4. W￿hen the door is opened during operation, the count down timer does not stop.

refer to Circuit Diagram( Point 1 )

- Check method

 

POINT

A

B

STATE

 

 

 

 

1) DO O R OP E N

 

O P EN

-5V DC

 

 

 

 

2) D OO R C LO S E D

 

C LO SE

G N D

 

 

 

 

CHECK NO

METHOD

REM EDY

1

C heck the stage(ON,OFF) of the door open m onitor switch by resistance

Replace door open m onitor sw itch .

m easurem ent.

 

 

 

 

 

 

5. W￿hen the digital clock does not operate properly.

￿refer to Circuit Diagram( Point 5 )

If clock does not keep exact time, you must check resistor￿￿R15,16, zener diodeZD1.

POINT

WAVE FORM

A

T: 16 .67m s(60H z)

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Contents Microwave Oven Oven is released to the owner Dropping or abuseAlignment, integrity, and connections For Safe Operation Safety and PrecautionsFor Safe Service Procedures IC RO W AVE FRE Q UE NC Y Specifications79/294 Outer Dimension KOR-631/861External View Protects the microwave outlet from splashes of cooking foods Feature DiagramControl Panel KOR-631H/861H Steady, flat location InstallationOperations and Functions Do not operate without cabinet Disassembly and AssemblyTo rem ove cabinet KOR -861G/861H KOR -631G/631HDisassembly and Assembly ABS XR -401 H ABS XR -401 H KOR -861G/861HPage Remove the H .V.transformer To remove wind guide assemblyPrimary interlock switch Interlock Mechanism and AdjustmentHeck Result CAU SE Trouble Shooting GuideN D Itio N Epla ce high voltage fuse Orm al Measurement and Test Measurement of the Microwave Power OutputFor magnetron is not included Is the heating timeOven with door normally closed must be less than 4mW /cm Microwave Radiation TestHigh voltage transformer Component Test ProcedureWiring Diagram Printed Circuit Board Circuit Check ProcedurePrinted Circuit Board Hen touching Start pad, oven lamp turns on Refer to Circuit Diagram Point Check methodC.B. Circuit Diagram NAM E SYM BOL SP Ecific Ation Part Code QTY C.B. Location noJ1, S J4 TIN C O Ating Door Assembly Exploded View and Parts ListControl Panel Assembly Total AssemblyExploded View and Parts List CO UP LE R PP S Printed Date NOV

KOR-631H0P, KOR-861G0P, KOR-631G0P specifications

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In summary, the Daewoo KOR-631G0P, KOR-861G0P, and KOR-631H0P models showcase the brand's commitment to innovation, functionality, and user-friendly design. Each model is equipped with features that enhance cooking efficiency and offer a variety of cooking options, catering to diverse culinary preferences while ensuring safety and ease of use. Whether for quick reheats, grilling, or baking, these microwave ovens provide excellent performance to satisfy all cooking needs.
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