R-1500

R-1501

R-1505

R-1506

Pin No.

Signal

I/O

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

P53

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

P52

OUT Oven lamp, fan motor and turntable motor driving signal

 

 

 

 

To turn on and off shut off relay (RY1). The

 

 

 

16.7 msec.

 

 

 

 

 

 

 

H : GND

 

 

 

square waveform voltage is delivered to the RY1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

driving circuit and RY2 control circuit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L : -5V

 

 

 

 

 

 

 

 

 

During cooking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17-18

P51-P50

OUT

Terminal not used.

 

 

 

19

P47

OUT

Magnetron high-voltage circuit driving signal.

 

 

 

 

 

 

To turn on and off the cook relay (RY2). The

OFF

 

H : GND

 

 

 

 

 

 

 

 

signals holds "L" level during microwave cook-

P-HI

 

 

 

 

 

ing and "H" level while not cooking. In other

ON

L : -5V

 

 

 

 

 

 

 

cooking modes (variable cooking) the signal

 

 

 

 

 

OFF

 

OFF

 

 

 

turns to

"H" level and "L" level in repetition

 

24 sec.

H : GND

 

 

 

P-70

 

 

 

 

according to the power level.

 

8 sec.

 

 

 

 

ON

 

 

 

 

 

 

L : -5V

 

 

 

 

 

 

 

(ON and OFF times for other power level.)

20

P46

IN

Signal coming from touch key.

When either G12 line on key matrix is touched, a corresponding signal out of P20 - P27 will be input into P46. When no key is touched, the signal is held at "H" level.

21

P45

IN

Signal similar to P46.

When either G11 line on key matrix is touched, a corresponding signal will be input into P45.

22

P44

IN

Signal similar to P46.

When either G10 line on key matrix is touched, a corresponding signal will be input into P44.

23

P43

IN

Signal similar to P46.

When either G9 line on key matrix is touched, a corresponding signal will be input into P43.

24

 

INT0

IN

Signal synchronized with commercial power source frequency.

 

 

 

 

 

 

This is the basic timing for time processing of LSI.

 

H : GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L : -5V

 

 

 

 

 

 

16.7 msec.

 

 

 

 

 

 

 

 

 

25

 

P41

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

26

 

P40

IN

Connected to GND through the pull-down resistor R100.

 

27

 

 

 

IN

Auto clear terminal.

 

 

RESET

 

 

 

 

 

 

Signal is input to reset the LSI to the initial state when power is applied.

 

28-29

P71-P70

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

30

 

XIN

IN

Internal clock oscillation frequency input setting.

 

 

 

 

 

 

The internal clock frequency is set by inserting the ceramic filter oscillation circuit with respect

 

 

 

 

 

to XOUT terminal.

 

31

 

XOUT

OUT

Internal clock oscillation frequency control output.

 

Output to control oscillation input of XIN.

32

VSS

IN

Power source voltage: -5.0V.

VC voltage of power source circuit input.

33

P27

OUT Key strobe signal.

Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of

G8 line keys on key matrix is touched.

34

P26

OUT Key strobe signal.

Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of

G7 line keys on key matrix is touched.

35

P25

OUT Key strobe signal.

Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of

G6 line keys on key matrix is touched.

36

P24

OUT Key strobe signal.

Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of

G5 line keys on key matrix is touched.

22

Page 24
Image 24
Sharp R-1500 OUT Oven lamp, fan motor and turntable motor driving signal, Auto clear terminal, OUT Key strobe signal

R-1506, R-1501, R-1505, R-1500 specifications

The Sharp R-1500, R-1505, R-1501, and R-1506 are part of Sharp's extensive line of microwave ovens, showcasing advanced cooking technologies and user-friendly features that cater to the modern kitchen. These models are designed to provide convenience and efficiency while delivering consistent cooking results.

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