Sharp R-24AT, R-22AT service manual Figure S-1. Pictrorial Diagram

Page 36

R-22AT R-24AT

1

2

3

4

5

6

A

POWER SUPPLY

CORD

 

NEUTRAL

EARTH

G/Y

 

 

 

LIVE

B

 

 

 

TH3: EXHAUST THERMISTOR

GRN

BLK

 

2

1

 

C

 

 

 

 

 

WHT

WHT

 

 

 

TEMP. 120˚C

NOISE FILTER

 

 

 

RED

RED

 

A017

 

BLK

 

 

L

N

 

 

 

 

 

WHT

W W H H T T

 

BRN

BLU

 

 

F2:FUSEF10A (Ovenside)

BLUORG (Bluecase)(Bluecase)

F1:FUSEF10A(Cabinetside)

BLUORG

 

CONNECTOR

BLK BLK

WHT WHT

 

BLK

 

 

 

 

 

 

 

 

 

TF1:TEMP.FUSE150˚C

(UpperMAG.)

TF2:TEMP.FUSE150˚C (LowerMAG.)

(Bluecase)

BLK

 

 

 

BRN

BRN

(Bluecase)

 

 

 

 

 

 

 

 

 

 

GRN

GRY

 

 

 

 

 

 

 

 

2 1

 

MAGNETRON

THERMISTOR(Upper)

2 1

 

 

TH2: MAGNETRON THERMISTOR(Lower)

 

 

TH1:

GRN

RED

 

 

 

 

COMPONENTS

MG1:

MAGNETRON (Upper)

 

Whitecase

 

Blacktape

Blue case

MG2:

MAGNETRON (Lower)

 

RECTIFIER .V .H

 

 

 

VOLTAGE

 

 

 

 

FUSE

 

case) (Blue

 

 

 

 

 

O R G

BLK

BLK

WHT

 

:BLOWER

MOTOR

 

BM

 

BLK

BLK

WHT

SM:

ANTENNA MOTOR

(Lower)

WHT

A

B

C

YLW

TF3:EXHAUST FUSE

D

 

E

SW4: MONITOR SWITCH (Ovenside)

(Bluecase)

 

 

BLU

BLU

 

 

(Bluecase)

BRN

 

NC

COM.

OVENLAMP

&SOCKET

SM: ANTENNA MOTOR (Upper)

OL:

 

 

WHT

BLK

INTERLOCKSW2: SWITCH (Ovenside)

(Bluecase)

BLU NO

 

 

WHT

COM.

 

 

 

 

WHT

VOLTAGE

HIGHC2:

CAPACITOR

H.V.F5:

T2:

VOLTAGEHIGH

TRANSFORMER

B L K

case) (Blue

 

HIGH

C1:HIGHVOLTAGE

 

RECTIFIER .V .H

 

 

TRANSFORMER

 

CAPACITOR

F4:H.V.FUSE

T1:

HIGHVOLTAGE

O B R L G K

(Blue case)

Figure S-1. Pictrorial Diagram

D

E

F

SW3: MONITOR SWITCH (Cabinetside) BRN BLU

BLU

COM.

 

SW1: INTERLOCK SWITCH (Cabinetside)

BLU NO

WHT

WHT

 

NC

 

COM.

 

 

 

 

 

 

 

 

 

GRN

G

 

CN-C

5 BLK 4 3 GRY 2 RED 1 GRN

CN-B 6 GRN

 

3 2 1 ORG

 

 

 

5 4

RED

BRN

(Bluecase)

(Bluecase)

BRN

RED

RED

 

 

GRN

GRN

 

SWITCH

NO

ORG

STOP

 

COM.

SW5:

 

(Bluecase)

 

(Bluecase)

 

 

 

BRN

BRN

-A

BLK

RED

YLW

 

 

CN

1 2 3

4 5

F

G

H

TOUCH CONTROL PANEL

I-2

I-1

1

CN-G

 

 

 

 

 

RY3

BZ

 

 

 

 

 

12

5

CN-C

1

6

CN-B

 

 

 

 

RY4

1 1

FUSE2.5A

RY1

D-CN

8

BRN 4

F1:

BLU1 2

 

 

 

 

3

 

 

1

TOUCHCONTROL TRANSFORMER

 

 

 

 

 

 

5

CN-A

 

ORG 5

RED 6

YLW 7

8

CN-D

WHT

H

1

2

3

4

5

6

34

Image 36
Contents Table of Contents Commercial Microwave OvenRemember to Check 3D Remember to Check 4RSharp Corporation OSAKA, Japan Commercial Microwave Oven22AT/ R-24AT General Important InformationSpecification DescriptionThis Appliance Must be Earthed Brown LiveInstallation Information Display and IndicatorsAppearance View Auto Touch Control PanelOperation Sequence Idle ConditionMicrowave Cooking Condition Microwave Variable CookingTWO Magnetron Operation System Figure B-1. High Voltage CircuitFunction of Important Components Troubleshooting Guide Possible Cause and Defective Parts EEP ROM KEY Unit Touch Control Transformer T3Test Procedures Procedure Letter Component Test Magnetron TestMicrowave Output Power 1 litre water load Test Procedures Letter Component Test PowerMicrowave Output Power 2000 cc alternative method High Voltage Rectifier Assembly Test Carry OUT 3D Checks Switch TestCarry OUT 4R Checks Carry OUT 4R ChecksProcedure Letter Component Test Temperature Fuse TF1, TF2, TF3 TestWeak Point F3 Test Carry OUT 3D Checks Fuse F1, F2 F10A Test Carry OUT 3D ChecksTouch Control Panel Assembly Test Motor Winding TestNoise Filter Test High Voltage Fuse F4, F5 Test Carry OUT 3D ChecksKEY Unit Test Relay TestRY1 RY3Occurrence Cause or Correction Touch Control Panel Assembly Description of LSI LSIIXA222DRSignal to sound buzzer Signal synchronized with commercial power source frequencyInternal clock oscillation frequency setting input Power source voltageDigit selection signal Key strobe signalSound Voltage level control terminal Servicing Shapes of Electronic ComponentsServicing of Touch Control Panel Other Precautions Servicing ToolsPAD Order Display Phone Procedure for Entering to Other Checking and Clearing PROCE- Dure forDefrost Precautions for Using LEAD-FREE Solder SET Number Double Quantity Check SignalUsing lead-free wire solder Employing lead-free solderComponent Replacement and Adjustment Procedure Outer CASE, Rear Cabinet and Power Supply Cord RemovalHigh Voltage Transformers Removal Magnetron Thermistor Replacement Re-installMagnetrons Removal RemovalHOW to Release the Positive Lock Connector Terminal Insulator ReplacementBlower Motor Removal Stirrer Motors Upper and Lower RemovalControl Panel Assembly and Control Unit Removal Power Supply Cord ReplacementControl Panel Assembly Removal HOW to Attach Membrane Switch and Graphic SheetDoor Replacement and Adjustment After adjustment, make sure of the followingRemoval Door Disassembly Choke Cover RemovalDoor Components Removal Service Information Upper and Lower Latch Heads RemovalDoor Case Removal Door Glass RemovalProcedure Microwave MeasurementPreparation Figure O-1 Oven Schematic-OFF Condition Figure O-3 Oven Schematic-Cooking Condition Figure S-1. Pictrorial Diagram PanelCircuit DG1Figure S-3. Printed Wiring Board Parts List Parts marked * are used in voltage more thanElectoric Parts Cabinet PartsOven Parts RH-IXA222DRZZ LSI RH-IXA298DRZZ EepromDoor Parts MiscellaneousSCRE,NUTS and Washers HOW to Order Replacement Parts Packing and AccessoriesModel Number 2. REF. no Description Oven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous
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Manual 32 pages 63.06 Kb

R-22AT, R-24AT specifications

The Sharp R-24AT and R-22AT microwave ovens are advanced kitchen appliances designed to enhance cooking convenience, efficiency, and versatility. Both models incorporate innovative technologies and features that cater to modern cooking needs.

The Sharp R-24AT boasts a robust 900 watts of cooking power, enabling users to prepare a wide variety of meals quickly and effectively. Its spacious 24-liter capacity is suitable for families and those who enjoy entertaining. One of the standout features of the R-24AT is its intelligent sensor technology, which automatically detects humidity levels in the cooking food. This innovative feature ensures optimal cooking times and temperatures, resulting in perfectly cooked dishes without the guesswork.

Another key technology in the R-24AT is the inverter cooking system. This system provides a seamless flow of power throughout the cooking process, allowing for more precise temperature control. Unlike traditional microwaves that operate in full power or off, inverter technology ensures consistent heat, which is particularly beneficial for tasks such as defrosting, reheating, and simmering.

The Sharp R-22AT, while slightly more compact with a 22-liter capacity, also delivers impressive performance with 800 watts of power. It features a similar inverter cooking system that guarantees even cooking results. Both models come with multiple auto-cook presets, providing users with a selection of quick options for common dishes such as popcorn, pizza, and oatmeal. This feature streamlines meal preparation and reduces the time spent on planning meals.

In addition, the user-friendly control panel on both models includes a combination of push-button and rotary dial controls for easy navigation. The inclusion of a bright LED display further enhances usability, allowing cooks to monitor cooking times and settings easily.

Safety is another critical aspect of the Sharp R-24AT and R-22AT. Both models come equipped with a child lock feature, ensuring peace of mind in homes with young children. The stainless steel interiors of these microwaves facilitate easy cleaning, while their sleek design adds a modern touch to any kitchen.

In summary, the Sharp R-24AT and R-22AT microwave ovens stand out for their advanced cooking technologies, user-friendly features, and thoughtful design. They empower home cooks to prepare meals with precision and ease, making them a valuable addition to any kitchen.