Sharp R-930AW service manual Signal similar to P27, Segment data signals, Key strobe signal

Page 26

R-930AK

R-930AW

Pin No.

Signal

I/O

 

 

 

Description

 

 

 

 

34

P26

IN

Signal similar to P27.

 

 

 

 

 

 

 

 

 

When any one of G-2 line key on key matrix is touched, a corresponding signal will be

 

 

 

 

input into P26.

 

 

 

 

 

 

 

 

35

P25

IN

Signal similar to P27.

 

 

 

 

 

 

 

 

 

When any one of G-3 line key on key matrix is touched, a corresponding signal will be

 

 

 

 

input into P25.

 

 

 

 

 

 

 

 

36

P24

IN

Signal similar to P27.

 

 

 

 

 

 

 

 

 

When any one of G-4 line key on key matrix is touched, a corresponding signal will be

 

 

 

 

input into P24.

 

 

 

 

 

 

 

 

37

P23

OUT

Segment data signals.

 

 

 

 

 

 

 

 

 

The relation between signals and indicators are as follows:

 

 

 

 

 

 

Signal Segment

Signal Segment

Signal Segment

Signal Segment

 

 

 

 

P23

P1

P17

............. P5

P13

P9

P07

P13

 

 

 

 

P22

P2

P16

............. P6

P12

P10

P06

P14

 

 

 

 

P21

P3

P15

............. P7

P11

P11

P05

P15

 

 

 

 

P20

P4

P14

............. P8

P10

P12

P04

P16

 

 

 

 

 

 

 

 

 

 

 

38-40

P22-P20

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

41

P17

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

 

 

 

Key strobe signal.

 

 

 

 

 

 

 

 

 

 

Signal applied to touch-key section. A pulse

 

 

 

 

 

 

 

signal is input to P24-P27 terminal while one

 

 

 

 

 

 

 

of G-12 line keys on key matrix is touched.

 

 

 

 

42

P16

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

 

 

 

Key strobe signal.

 

 

 

 

 

 

 

 

 

 

Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while

 

 

 

 

one of G-11 line keys on key matrix is touched.

 

 

 

 

43

P15

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

 

 

 

Key strobe signal.

 

 

 

 

 

 

 

 

 

 

Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while

 

 

 

 

one of G-10 line keys on key matrix is touched.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

44

P14

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

 

 

 

Key strobe signal.

 

 

 

 

 

 

 

 

 

 

Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while

 

 

 

 

one of G-9 line keys on key matrix is touched.

 

 

 

 

45

P13

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

 

 

 

Key strobe signal.

 

 

 

 

 

 

 

 

 

 

Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while

 

 

 

 

one of G-8 line keys on key matrix is touched.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

46

P12

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

 

 

 

Key strobe signal.

 

 

 

 

 

 

 

 

 

 

Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while

 

 

 

 

one of G-7 line keys on key matrix is touched.

 

 

 

 

47

P11

OUT

Segment data signal.

 

 

 

 

 

 

 

 

 

Signal similar to P23.

 

 

 

 

 

 

 

 

 

 

Key strobe signal.

 

 

 

 

 

 

 

 

 

 

Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while

 

 

 

 

one of G-6 line keys on key matrix is touched.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

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Contents Table of Contents Convection Microwave Oven930AK 930AW Before Servicing Leakage test Microwave Measurement ProcedureRequirements 930AK / R-930AW Sharp PLAZA, MahwahConvection Microwave Oven ForewordDescription SpecificationGeneral Information Grounding InstructionsOven Diagram Touch Control PanelDescription of Operating Sequence Power Level P-0 to P-90 CookingOperation OFF ConditionSensor Cooking Condition Convection Cooking ConditionAutomatic MIX Cooking Condition Preheating ConditionCompu Defrost Cooking Fire Sensing Feature Microwave ModeCompu BROIL/ Compu ROAST/ Compu Bake Cooking SequenceSchematic Diagram Figure O-1. Oven Schematic-OFF ConditionFigure O-4. Oven Schematic-Convection Cooking Condition Description and Function of Components Convection Cooking System Troubleshooting GuideHeating Element Damper OPEN-CLOSE MechanismTest Procedure Problem Possible Cause Defective PartsPower Transformer Test Test ProceduresProcedure Component Test Letter Magnetron Assembly Test High Voltage Rectifier TestMonitor Switch Procedure Component Test LetterSecondary Interlock Switch Test Temperature Fuse TestChecking Temperature in the Convection Mode Test Procedures Component Test LetterDamper Switch Test Thermal CUT-OUT TestKEY Unit Test Outer Case Switch TestTouch Control Panel Assembly Test Compu Defrost Test Weight 1ST Stage 2ND Stage 3RD Stage 4TH Stage Level TimeRelay Test Checking the initial sensor cooking condition Occurrence Cause or CorrectionAH Sensor Test Water load cooking testChecking Control Unit Test Procedures Letter Component TestTesting Method for AH Sensor AND/OR Control Unit R1,R2 22Ω ± R3 4.3kΩ ± 5% 1/4WTouch Control Panel Assembly ThermistorDescription of LSI LSIIZA797DRTOR Segment data signal Signal similar to P27Segment data signals Key strobe signalAbsolute Humidity Sensor Circuit Structure of Absolute Humidity SensorServicing Power Transformer Removal Component Replacement and Adjustment ProcedureOuter Case Switches Replacement Outer Case RemovalMagnetron Removal High Voltage Rectifier Assembly RemovalPositive Lock Connector NO-CASE Type Removal High Voltage Capacitor RemovalOven Lamp and Lamp Socket Removal Damper Assembly RemovalTurntable Motor Removal FAN Motor RemovalControl Panel Assembly and Control Unit Removal Control Unit and KEY UnitDoor Adjustment Door Replacement and AdjustmentAfter adjustment, check the following After adjustment, make sure of the followingDoor Disassembly Figure C-5. Door Replacement and adjustmentFigure S-1. Pictorial Diagram Circuit Control PanelDIP Control Panel Parts Electrical PartsCabinet Parts Oven Parts VSDTA123ES/-3Screws Nuts and Washers Door PartsMiscellaneous Model Number HOW to Order Replacement PartsPacking and Accessories DescriptionOven Control Panel Parts Door Parts Miscellaneous 930AK 930AW
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R-930AW specifications

The Sharp R-930 series of microwave ovens, including the R-930AK, R-930AW, and R-930CS models, represent a blend of advanced technology and user-centric design. These units are well-suited for modern kitchens, offering convenience, versatility, and efficiency that meet the needs of busy households.

One of the standout features of the R-930 series is the powerful Inverter Technology. Unlike traditional microwaves that rely on pulsing power to cook food at lower settings, Inverter Technology delivers a steady stream of cooking power. This results in more even heating, improved texture, and better overall cooking results for delicate dishes like custards and sauces.

The spacious interior of these models provides ample room for cooking a variety of dishes simultaneously. The R-930 series is designed with a turntable that ensures uniform cooking by rotating food as it heats. Additionally, these microwaves often come with a variety of pre-programmed settings for popular dishes, making it easier for users to prepare meals with minimal effort. These presets take the guesswork out of cooking and help ensure consistent results every time.

The R-930AK and R-930AW models are particularly noted for their sleek and modern aesthetic, available in stylish black and white exteriors, respectively. Both models also feature user-friendly controls, which include a digital display and intuitive buttons, ensuring that even those new to microwave cooking can navigate settings with ease.

Another characteristic that distinguishes the R-930CS is its advanced sensor cooking technology. This feature monitors the cooking process and automatically adjusts power levels and cooking times to achieve optimal results. This takes the hassle out of determining how long to cook various foods, especially those that require specific attention to avoid overcooking or undercooking.

The Sharp R-930 series also emphasizes safety and convenience. Child safety locks are integrated into the design to prevent unauthorized use, making it a practical choice for families with young children. Moreover, the easy-clean interior ensures that spills and splatters can be quickly wiped away, maintaining hygiene and preserving the appliance's appearance.

In summary, the Sharp R-930AK, R-930AW, and R-930CS models are proficient microwave ovens equipped with innovative technologies and thoughtful features that cater to a variety of cooking needs. With their combination of inverter cooking technology, spacious interiors, sleek designs, and user-friendly controls, these models are ideal choices for anyone looking to enhance their culinary capabilities in a fast-paced world.