Sharp KB-3425LS Service Manual page 32

KB-3425LS/K/W
KB-4425LS/K/W
Pin No. Signal
47 P47
48 CS2
49 P45
50 P44
5 P43
52 P42
53 P4
54 P40
55 P37
56 P36
57 P35
58 P34
59 - 6 A - A9
62 VCC2
63 A8
64 VSS
65 - 70 A7 - A2
7 A
72 A0
73 P7
74 P6
75 P5
76 P4
I/O
OUT Reset signal is outout to the LCD.
OUT Chip select signal is outout to the LCD.
OUT Turminal not used.
OUT Turminal not used.
OUT Signal to turn on the indicator for the Cook Top Warmer is output to the LED (LD0).
Door lock motor driving signal.
OUT
To turn on and off shut-off relay(RY8).
"H"level during door lock motor driving
"L" level otherwise
OUT Power source to drive the Microwave drawer door open-close motor is output.
IN Turminal not used.
Convection heater relay driving signal.
OUT
To turn on and off relay(RYC).
"H" level: During convection heater relay ON.
"L" level: During convection heater relay OFF.
Bottom heater relay driving signal.
OUT
To turn on and off relay(RYB).
"H" level: During bottom heater relay ON.
"L" level: During bottom heater relay OFF.
Cook top warmer driving signal.
OUT
To turn on and off relay(RY0).
"H" level: During cook top warmer ON.
"L" level: During cook top warmer OFF.
OUT Oven convection motor driving signal.
To turn on and off relay(RY9).
"H" level: During convection motor ON.
"L" level: During convection motor OFF.
OUT Turminal not used.
IN Power source voltage: +3.3V.
The power source voltage to drive the LSI (IC-) is input to VCC2 terminal.
OUT Turminal not used.
IN Power source voltage: 0V (GND).
VS voltage of power source circuit input. Connected to GND
OUT Turminal not used.
OUT Register select signal is input to the LCD.
OUT Turminal not used.
OUT Signal to sound buzzer.
A: Key touch sound (short beep).
B: Completion sound (melody or long beep).
Door lock motor (Oven) driving signal.
OUT
To turn on and off relay(RY8).
"H" level: During door lock motor ON.
"L" level: During door lock motor OFF.
Oven lamp (Oven) driving signal.
OUT
To turn on and off relay(RY7).
"H" level: During oven lamp ON.
"L" level: During oven lamp OFF.
Fan motor (Oven) driving signal.
OUT
To turn on and off relay(RY6).
"H" level: During fan motor ON.
Description
32
ON
H: +5V
During
door lock
OFF
motor driving
L: GND
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF