Samsung RS23 Operation Principles By Parts Of Circuit, Display Operation, Grid Wave Pattern

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OPERATION PRINCIPLES BY PARTS OF CIRCUIT

2) DISPLAY OPERATION

Like the signal diagram below, Micom sends “ high ” signal through MICOM 6 terminals of NO #1→ 2 → 3 → 4

→5 → 6 for 2ms every 12ms. This signal goes to output terminal via input terminal of IC5 (KID65783AP or TD62783AP). Output wave always goes through LED input terminal with DC11~12V on every period. At this time, if SINK signal comes out at IC4, DC11~ 12V is applied to LED input terminal and output terminal sinks to OV which turn on LED for 2ms For example, to turn on "Power Fre." LED, IC4 #16 pin sinks to 0V when IC5 #16 becomes DC 11~12V making "Power Fre" LED turn on.

GRID WAVE PATTERN

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Contents RS2*3* RS2*2* RS2*1 SAMSUNG Home Appliance ServiceModel SIDE-BY-SIDEREFRIGERATORTechnical Service Guide Copyright IMPORTANT SAFETY NOTICESAMSUNG ELECTRONICS AMERICA, INC Contents 1. Safety Instructions on Service LIMITED WARRANTY TO ORIGINAL PURCHASER 2. Warranty informationSAMSUNG REFRIGERATOR One 1 Year Parts and Labor on Refrigerator3-2Freezer Disassembly 3. Mechanical Disassembly3-1Refrigerator Disassembly 3-3Machine Compartment DisassemblyDoor Handle Refrigerator Door Light SwitchControl Panel Door GasketTempered Glass Shelf Mechanical DisassemblyRefrigerator Light Gallon Door BinTwin cool in the Refrigerator Damper in the RefrigeratorRefrigerator Thermistor Mechanical DisassemblyDoor Bin in Freezer Freezer Door Light SwitchPlastic Wire Drawer in Freezer Freezer ShelfAuger Motor Case Ice Dispenser & Ice MakerMechanical Disassembly Evaporator Cover in Freezer Freezer LightEvaporator Fan Motor Mechanical DisassemblyFreezer Thermistor Evaporator in FreezerIce-MakerThermistor Mechanical DisassemblyCondenser Fan Machine Compartment ＆ Electric BoxWater Solenoids Condenser4. CIRCUIT DIAGRAM 5. OPERATION PRINCIPLES BY PARTS OF CIRCUIT 5-1POWER5-2OSCILLATION CIRCUIT OPERATION PRINCIPLES BY PARTS OF CIRCUIT 5-3RESET CIRCUIT5-4EEPROM DETECTION CIRCUIT Category 5-5DOOR SWITCH DETECTON CIRCUITOPERATION PRINCIPLES BY PARTS OF CIRCUIT Door5-6TEMP SENSING CIRCUIT OPERATION PRINCIPLES BY PARTS OF CIRCUITSensor CHIP PX41C Standard OPERATION PRINCIPLES BY PARTS OF CIRCUITTemp to Resistance of Sensor & MICOM PORT Voltage TempOPERATION PRINCIPLES BY PARTS OF CIRCUIT 5-7DAMPER CIRCUIT5-8DISPLAY Circuit 1 KEY SCAN2 DISPLAY OPERATION OPERATION PRINCIPLES BY PARTS OF CIRCUITGRID WAVE PATTERN 5-9Load Control Circuit OPERATION PRINCIPLES BY PARTS OF CIRCUIT5-10ICE MAKER OPERATION CIRCUIT OPERATION PRINCIPLES BY PARTS OF CIRCUIT5-11OPTION Circuit OPERATION PRINCIPLES BY PARTS OF CIRCUIT6. Illustrated Parts Catalog 6-1FreezerIllustrated Parts Catalog 6-2RefrigeratorIllustrated Parts Catalog 6-3Cabinet6-4Disassembly of Freeze Door Illustrated Parts Catalog6-5Disassembly of Refrigerator Door Illustrated Parts CatalogLOAD Appendix ⅠReference for circuit diagnosticsRef.1 Measure Load Terminals DEFECTSAppendix ⅠReference for circuit diagnostics Ref.2 Check SENSOR272, Oseon-Dong, Kwangsan-Gu Kwangju-City,Korea ELECTRONICSTEL 82-62-950-6810,6811 FAX