R-2397

SCHEMATIC

NOTE: CONDITION OF OVEN 1. DOOR CLOSED

2. APPEARS ON DISPLAY

NOTE: "" INDICATES COMPONENTS WITH POTENTIALS ABOVE 250V. C1 and C2: 1.07μF/ AC 2100V

230V~50Hz

 

 

 

 

 

 

 

NOISE FILTER

F1: WEAK POINT A017

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F4: WEAK POINT A018

 

 

 

TC2: MAGNETRON

:T1

VOLTAGEHIGH

TRANSFORMER

(FRONT)

 

 

 

 

 

 

 

 

 

 

 

 

THERMAL CUT OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2ND LATCH SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

145C°(LOWER)

 

 

 

F2:

FUSE F6.3A

 

 

 

 

 

 

 

 

F3:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WEAK POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A018

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC1 :MAGNETRON

 

 

 

 

 

 

 

 

THERMAL

°

 

 

 

 

 

 

 

 

 

 

 

THERMAL

 

 

 

 

 

 

 

 

115C

 

 

 

 

 

 

 

 

 

 

 

CUT OUT

 

 

 

 

 

MONITOR MONITORRESISTOR

SWITCH

BLOWER:TC3 MOTOR

THERMAL 115C

 

CUT OUT

 

 

 

 

A1 TAB1

 

 

 

 

 

 

145C°(UPPER)

 

TRANSFORMER

(REAR)

 

TC4 :

 

A7

A3

 

RY1

RY3

RY4

B1

B2

B3

D3D1H1 H3

INTAKE THERMISTER

:T2

 

 

 

 

OUT

OVEN

 

 

 

 

 

 

 

TAB3

 

 

TAB4

TAB2

 

 

 

 

 

 

 

 

 

CUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAGNETRON THERMISTER

VOLTAGE

 

 

 

 

 

 

°

 

 

 

A5

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HIGH

 

 

 

 

 

 

 

 

OVEN LAMP

OL

 

STIRRER MOTOR

SM

SM

 

BLOWER MOTOR

BM

STOP SWITCH

 

 

EXHAUST THERMISTER

 

 

 

 

1ST LATCH SWITCH

3RD LATCH SWITCH

(PRIMARY INTERLOCK SWITCH)

 

Figure O-1. Oven SChematic-OFF Condition

C1: H.V. CAPACITOR

 

ASYMMETRIC

H. V. RECTIFIER

RECTIFIER

 

C2: H.V. CAPACITOR

 

ASYMMETRIC

H. V. RECTIFIER

RECTIFIER

 

MG1: MAGNETRON (UPPER)

MG2: MAGNETRON (LOWER)

SCHEMATIC

NOTE: CONDITION OF OVEN

1.DOOR CLOSED.

2.TIME KEY TIUCHED.

3.COOKING TIME PROGRAMMED.

4.START KEY TOUCHED

230V~50Hz

 

 

 

 

 

 

 

NOISE FILTER

F1: WEAK POINT A017

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F2:

FUSE

F6.3A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC2: MAGNETRON

:T1

VOLTAGEHIGH

TRANSFORMER

(FRONT)

 

 

 

 

 

 

 

 

 

 

 

F4: WEAK POINT A018

 

 

 

THERMAL CUT OUT

 

 

 

2ND LATCH SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

145C°(LOWER)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F3:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WEAK POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A018

 

 

 

 

 

 

TC1 : MAGNETRON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MONITOR

MONITORRESISTOR

SWITCH

:TC3 THERMAL

115C

TC4 : OVEN THERMAL

°

A7

A3

 

A1

TAB1

RY1

RY3

RY4

B1

B2

B3

THERMAL

:T2

TRANSFORMER

(REAR)

 

CUT OUT 115C

 

H1D3D1H3

INTAKE THERMISTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CUT OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

145C°(UPPER)

 

 

 

 

 

 

 

MOTORBLOWER

OUTCUT

 

 

 

 

 

 

 

 

 

TAB3

 

 

TAB4

TAB2

 

MAGNETRON THERMISTER

VOLTAGE

 

 

 

 

 

 

 

°

 

 

A5

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HIGH

 

 

 

 

 

 

 

 

 

 

OVEN LAMP

OL

 

STIRRER MOTOR

SM

SM

 

BLOWER MOTOR

BM

STOP SWITCH

 

 

EXHAUST THERMISTER

 

 

 

 

1ST LATCH SWITCH

3RD LATCH SWITCH

(PRIMARY INTERLOCK SWITCH)

 

C1: H.V. CAPACITOR

 

ASYMMETRIC

H. V. RECTIFIER

RECTIFIER

 

C2: H.V. CAPACITOR

 

ASYMMETRIC

H. V. RECTIFIER

RECTIFIER

 

MG1: MAGNETRON (UPPER)

MG2: MAGNETRON (LOWER)

Figure O-2. Oven SChematic-ON Condition

30

Page 32
Image 32
Sharp R-2397 service manual Figure O-1. Oven SChematic-OFF Condition

R-2397 specifications

The Sharp R-2397 is a high-performance microwave oven that combines advanced technology with user-friendly features, making it a popular choice for modern kitchens. This model stands out due to its sleek design and efficient functionality, catering to both cooking enthusiasts and busy households alike.

One of the most notable features of the Sharp R-2397 is its powerful microwave cooking capabilities. With a wattage rating of 900 watts, it ensures that food is cooked evenly and quickly, allowing users to prepare meals in a fraction of the time compared to conventional ovens. The unit also offers multiple power levels, enabling precise cooking adjustments for various types of food, from defrosting to reheating and everything in between.

Another key characteristic of the R-2397 is its spacious interior. With a generous capacity of 23 liters, this microwave can accommodate larger dishes, making it suitable for families or individuals who enjoy hosting gatherings. The turntable feature promotes even cooking by rotating food continuously, ensuring that every inch is heated uniformly.

Additionally, the Sharp R-2397 is equipped with a range of convenient presets and auto-cook functions. These pre-programmed settings allow users to optimize cooking times for common dishes, such as popcorn, vegetables, and frozen meals, simplifying meal preparation and enhancing user experience. The intuitive control panel is designed to be user-friendly, ensuring that anyone can operate the microwave with ease.

Safety is also a significant consideration in the design of the Sharp R-2397. The unit comes with a child lock function, preventing accidental operation and ensuring that the oven is used safely in households with young children. This feature adds peace of mind for parents while using the appliance in their daily routines.

Moreover, the R-2397 incorporates a modern aesthetic that can fit into various kitchen styles. Its polished exterior and compact design make it both attractive and practical, with the added advantage of easy cleaning and maintenance.

In summary, the Sharp R-2397 is a versatile microwave oven that offers a blend of power, efficiency, and user-centric features. With its high wattage, spacious interior, smart presets, and safety measures, it is an excellent addition to any kitchen, catering to everyday cooking needs and helping to simplify meal times. Whether reheating leftovers or cooking a new recipe, the Sharp R-2397 sets itself apart as a reliable kitchen companion.