Sharp R-216LS service manual Control Panel Circuit Figure S-2, Liquid Crystal Display

Page 32

R216LS

[2] Control Panel Circuit (Figure S-2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C3

0.1uF

25V

 

 

 

 

 

 

 

 

 

 

 

R75-R78

220K x 4

R75

R76

R77

R78

C60

C61

C62

 

C63

 

C60-C53

330P/50V x 4

 

 

 

 

 

 

 

 

7K.4

 

7K.4

 

7K.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R7

 

R8

 

R9

 

 

 

22pF/50V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R81 11KF

C80

 

 

 

 

 

 

 

 

 

 

 

 

 

LIQUID CRYSTAL DISPLAY

 

 

 

 

 

 

 

 

 

 

 

17

16

SEG7P03 SEG8P02

SEG9P01

SEG10P00

SEG11RESET

SEG12X2

X1

VSS

P70VDD

P71XT2

P72XT1 AVDDIC

AIN5P53 AIN4P52

AIN3P51

AIN2P50

1

64

 

 

 

 

 

 

 

 

 

2 WARM REHEAT DEFROST G7

G8

G9

 

G10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAPH

 

 

P20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAPL

 

 

BZO90

 

 

 

 

 

 

 

 

 

 

 

 

 

MINUTE PLUS

 

 

 

 

 

 

 

 

 

 

 

 

 

VLC0

 

 

P22

 

 

 

 

 

 

 

 

 

LEVEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VLC1

 

 

P23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM0

 

 

 

 

 

 

VLC2

 

 

P24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM0

 

 

P25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM1

 

 

 

 

 

 

COM1

IC-1

P26

 

 

 

 

 

 

 

 

G3 G4 G5 G6

POWER POPCORN

STOP

CLEAR

START

 

 

 

 

 

COM2

 

 

 

 

 

 

COM2

INTP0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG1

 

 

 

 

 

 

COM3

P31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG0

P32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG2

 

 

 

 

 

 

SEG1

P33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG3

 

 

 

 

 

 

SEG2

P10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG4

 

 

 

 

 

 

SEG3

P11

 

 

 

 

 

 

 

 

 

KEYUNIT >

 

 

 

 

SEG5

 

 

 

 

 

 

SEG4

 

 

AVSS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG6

 

 

 

 

 

 

SEG5

 

 

AIN0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG7

 

 

 

 

 

 

SEG6

SEG13

SEG14

AIN1

 

 

 

 

 

 

 

 

 

 

 

8 7

 

 

 

 

 

SEG8

 

 

 

 

 

 

32

 

 

49

 

 

 

 

 

 

 

 

4

0 1

 

 

 

 

 

SEG9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEG12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHECKQTY.LBS.DEF.ON

 

 

 

 

 

 

 

33

48

 

 

 

 

 

 

 

 

5

 

 

 

01uF/50V.0

15K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G2

6

3

TIMER

CLOCK

9

 

<

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C4

 

R6

01uF/50V.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COOK

SOFTEN

 

 

 

 

 

 

Q1 2SA1037AK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT >

 

 

G1

 

 

 

 

 

 

 

 

 

 

15K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1K

R10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTA143EKA

 

 

 

 

 

C20

 

0.1uF / 25V

 

 

 

 

 

50V

 

 

 

 

< LSI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

01uF.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q10 DTA143EKA

 

 

 

 

Q30

 

 

 

DTA143EKA

 

 

 

 

 

 

 

C40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1uF/25V.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7K.4 R41

15K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C10

 

 

 

 

 

 

 

 

Q20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1uF/50V.0

 

 

 

 

 

 

 

3K.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

 

 

 

 

 

 

 

R30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RST

GND

 

 

-5V

INT

VR

AN5

AN4

AN3

 

 

BZ

 

 

 

 

 

 

COM

 

 

 

 

M

 

 

DOOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HZ4B3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZD1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE

 

 

 

 

 

 

 

 

 

 

220uF/10V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(J14)

(J15)

 

 

 

 

 

 

 

 

 

SP1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(J12)

(J13)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(J10)

(J11)

910 1/2W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTA123JS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q22

 

D40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1 - D4 1N4002X4

 

470uF/25V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10uF/35V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

-

 

 

 

 

 

 

 

 

 

 

 

 

 

Q21 DTD143ES

 

 

+

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C21

 

 

 

 

 

 

UNIT >

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1 D3

D4 D2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T1

PA142DR

 

b

 

 

 

 

 

 

 

 

D20

 

 

 

 

 

 

 

 

 

D21

 

 

 

< POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

d

(J1)

c

 

 

 

RY1 FTR-F3AA012E

 

 

 

 

 

 

 

 

 

 

 

 

 

RY2 DU12D1-1P(M)R-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10G471K

 

a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VRS1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3

 

 

 

 

A1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B1

B2

 

 

B2P-VH-B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN-A

B2(5.0)B-XA

AC

 

AC120V

60HZ

OVEN LAMP

TERNTABLE MOTOR

FAN MOTOR

 

 

 

 

 

 

 

 

 

AC

 

 

POWER

TRANSFORMER

 

DOOR

SW. CN-B

 

 

 

 

 

 

 

 

 

 

 

Figure S-2. Control Panel Circuit

12 – 2

Image 32
Contents Model R-216LS Precautions for Using Lead Free Solder Component ReplacementAdjustment Procedure Microwave Measurement PROBefore Servicing Before Servicing When the testing is completedAfter repairing Microwave Measurement Procedure Preparation for testingRequirements Leakage testForeword and Warning ForewordProduct Description 1 Specifications DescriptionOven Diagram General InformationGrounding Instructions OvenTouch Control Panel Power Level Cooking Power Output ReductionDescription of Operating Sequence OFF ConditionSchematic Door Closed Clock Appears on Display Oven SchenaticOff Condition Cooking ConditionDescription and Function of Components Troubleshooting Guide Troubleshooting ChartTest Procedures Procedure a Magnetron Assembly TestProcedure B Power Transformer Test Procedure C High Voltage Rectifier TestProcedure D High Voltage Capacitor Test Procedure E Temperature Fuse Oven TestProcedure F Secondary Interlock Switch Test Procedure F Primary Interlock System TestPrimary Interlock Relay RY2 Procedure G Monitor Switch TestProcedure H Blown Minitor Fuse Test Procedure I Noise Filter Test Procedure J Touch Control Panel Assembly TestKey Unit Control UnitProcedure K KEY Unit Test Procedure L Relay TestProcedure M Defrost Test Procedure N Foil Pattern on the Printed Wiring Board TestR216LS Touch Control Panel Assembly Precautions for Handling Electronic ComponentsOutline of Touch Control Panel Servicing for Touch Control PanelOther Precautions Servicing ToolsPrecautions for Using LEAD-FREE Solder Using lead-free wire solderEmploying lead-free solder SolderingComponent Replacement and Adjustment PROCE- Dure Outer Case RemovalPower Transformer Removal Positive Lock Connector NO-CASE Type RemovalReinstall Magnetron RemovalTrol Panel Assembly Removal Control Panel Assembly RemovalGraphic Sheet and Membrane Switch Replacement Cooling FAN Motor Removal Power Supply Cord ReplacementTurntable Motor Removal Installation AdjustmentMake Sure That the FAN Blade Rotates Smooth After Installed Make Sure That the Axis of the Shaft is not SlantedAfter any service, make sure of the following Door ReplacementAfter adjustment, check the following Figure C-7. Door Replacement Sealer FilmDiagrams Pictorial Diagram FigureControl Panel Circuit Figure S-2 Liquid Crystal DisplayPrinted Wiring Board Figure S-3 DIPUnit CodeMeno Parts Guide Oven Parts Oven Parts Parts Code Price NEW Description Rank MarkDoor and Control Panel Parts Door and Control Panel Parts „INDEX

R-216LS specifications

The Sharp R-216LS is a versatile microwave oven that combines affordability with a range of features designed to enhance your cooking experience. Compact yet powerful, this model is especially suitable for small kitchens or dorm rooms, where space is at a premium.

One of the standout features of the Sharp R-216LS is its impressive 800 watts of cooking power. This ensures quick and efficient heating, allowing users to prepare meals in a fraction of the time compared to conventional ovens. The microwave also features a variety of power levels, providing flexibility for different types of cooking and reheating tasks, from defrosting frozen food to cooking delicate items like baked goods.

The R-216LS comes equipped with a spacious 20-liter capacity, which is surprisingly roomy for its size. This allows for ample space to heat up large dishes or multiple servings at once. The interior is designed with easy cleaning in mind, featuring a non-stick coating that prevents food from adhering to the surfaces and simplifies maintenance.

In terms of usability, the Sharp R-216LS boasts a user-friendly interface with straightforward knobs and buttons. It includes a timer and a range of pre-programmed cooking options, enabling users to cook a variety of foods with just the touch of a button. This is particularly beneficial for those new to microwave cooking or for busy individuals looking to save time.

The microwave also incorporates advanced technologies, including inverter microwave technology, which provides a continuous stream of cooking power for more even heating and defrosting. This ensures that your food is cooked thoroughly without the risk of hot and cold spots.

Safety is another priority in the design of the R-216LS. It features a child safety lock, which prevents accidental operation, making it a perfect choice for families with young children. The model also has an automatic shut-off feature, ensuring that the microwave turns off when not in use.

In summary, the Sharp R-216LS is a compact microwave that offers a blend of power, convenience, and safety features, making it an excellent choice for anyone seeking a reliable cooking appliance. Whether for reheating leftovers, cooking meals, or defrosting ingredients, this microwave is designed to meet the diverse needs of modern kitchens. With its combination of thoughtful design and functionality, the R-216LS stands out as a worthy investment for those looking for efficiency and performance in their cooking appliances.