Sharp KB-5121KS Service Manual page 29

Pin No. Signal I/O
47 P47 OUT
48 CS2 OUT
49 P45 OUT
50 P44 OUT
51 P43 OUT
52 P42 OUT
53 P41 OUT
54 P40 IN
55 P37 OUT
56 P36 OUT
57 P35 OUT
58 P34 OUT
59 - 61 A11 - A9 OUT
62 VCC2 IN
63 A8 OUT
64 VSS IN
65 - 70 A7 - A2 OUT
71 A1 OUT
72 A0 OUT
73 P17 OUT
74 P16 OUT
75 P15 OUT
76 P14 OUT
77 P13 OUT
78 P12 OUT
79 P11 OUT
80 P10 OUT
81 - 88 D7 - D0 OUT
89 AN7 OUT
Reset signal is outout to the LCD.
Chip select signal is outout to the LCD.
Terminal not used.
Terminal not used.
Signal to turn on the indicator for the Cook Top Warmer is output to the LED (LD10).
Terminal not used.
Power source to drive the Microwave drawer door open-close motor is output.
Terminal not used.
Terminal not used.
Terminal not used.
Cook top warmer driving signal.
To turn on and off relay(RY10).
"H" level: During cook top warmer ON.
"L" level: During cook top warmer OFF.
Terminal not used.
Terminal not used.
Power source voltage: +3.3V.
The power source voltage to drive the LSI (IC-1) is input to VCC2 terminal.
Terminal not used.
Power source voltage: 0V (GND).
VS voltage of power source circuit input. Connected to GND
Terminal not used.
Register select signal is input to the LCD.
Terminal not used.
Signal to sound buzzer.
A: Key touch sound (short beep).
B: Completion sound (melody or long beep).
Terminal not used.
Terminal not used.
Terminal not used.
"L" level: During fan motor OFF.
Fan motor (Drawer) driving signal.
To turn on and off relay(RY5).
"H" level: During fan motor ON.
"L" level: During fan motor OFF.
Terminal not used.
Terminal not used.
Oven lamp and stirrer motor (drawer) driving signal.
To turn on and off relay(RY1).
"H" level: During oven lamp and stirrer motor ON.
"L" level: During oven lamp and stirrer motor OFF.
Data signal is output to LCD driver.
Terminal not used.
27
Description
ON
ON
ON
ON
KB-5121KS/K/W
H: +5V
L: GND
OFF
H: +5V
L: GND
OFF
H: +5V
L: GND
OFF
H: +5V
L: GND
OFF