Daewoo KOR-631G0P, KOR-861G0P, KOR-631H0P Printed Circuit Board, Circuit Check Procedure

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PRINTED CIRCUIT BOARD

1. CIRCUIT CHECK PROCEDURE

1. Low voltage transformer check

The low voltage transformer is located on the P.C .B .

Measuring condition: Input voltage: 220 V	/ Frequency: 60Hz

Term inal Voltage	LO AD	N O LO A D

4 - 7	A C 12.6 V	A C 14 .7 V

NOTE

1.Refer to Circuit Diagram (point 4).

2.Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage.

3.The allowable tolerance of the secondary voltage is within 5% of nominal voltage.

2.Voltage Check

-Key check point

NO	CHECK POINT	REMARK
1	IC1 P IN 2,21,30,34	-5VD C
2	IC1 P IN 35
		T : 16 .67m s(60H z)
3	IC1 P IN 31 O R 32
		T : 250 ns(4M H z)

NOTEEach measure point must be measured with GND points.

- Check method

NO	MEASURE POINT	WAVE FORM	REMEDY	REM ARK

1	M P 1	D C -5V ± 0 .25V	R eplace V L1, E C 1	N O LOA D

2	M P 2	D C -12V ± 2 .0V	Replace E C 2, D12,13,14	N O LOA D

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Contents Microwave Oven Dropping or abuse Alignment, integrity, and connectionsOven is released to the owner Safety and Precautions For Safe Service ProceduresFor Safe Operation IC RO W AVE FRE Q UE NC Y SpecificationsOuter Dimension KOR-631/861 External View79/294 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 Is the heating time Measurement of the Microwave Power OutputMeasurement and Test For magnetron is not includedOven 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 Total Assembly Exploded View and Parts ListDoor Assembly Control Panel AssemblyExploded View and Parts List CO UP LE R PP S Printed Date NOV

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

Daewoo has established a solid reputation in the realm of kitchen appliances, particularly with its microwave ovens. Among their noteworthy models are the Daewoo KOR-631G0P, KOR-861G0P, and KOR-631H0P, each characterized by their distinct features, innovative technologies, and user-friendly designs that cater to a variety of cooking needs.

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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.