Sharp KB-3401LS Supplemental Service Manual page 20

KB-3401LS
KB-3401LK
KB-3401LW
Pin No. Signal
23 P30 OUT
24 - 27 OUT
COM3 - COM0
28 VL3
29 - 34 P27- P22 OUT
35 P2 OUT
36 P20 OUT
37 P7 OUT
38 P6 OUT
39 P5 OUT
40 P4 OUT
4 P3 OUT
42 P2 OUT
43 P OUT
44 P0 OUT
45 P07 OUT
46 P06 OUT
47 P05 OUT
I/O
Signal to reset LSI.
Signal is output to reset IC-2, IC-3 and IC-4.
Terminal not used.
IN Connected VC (+5V).
Terminal not used.
Terminal not used.
Convection heater relay driving signal.
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.
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.
To turn on and off relay(RY0).
"H" level: During cook top warmer ON.
"L" level: During cook top warmer OFF.
Oven convection motor driving signal.
To turn on and off relay(RY9).
"H" level: During convection motor ON.
"L" level: During convection motor OFF.
Door lock motor driving signal.
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.
To turn on and off relay(RY7).
"H" level: During oven lamp ON.
"L" level: During oven lamp OFF.
Fan motor (Oven) driving signal.
To turn on and off relay(RY6).
"H" level: During fan motor ON.
"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.
Top heater driving signal.
To turn on and off relay(RY4).
"H" level: During top heater ON.
"L" level: During top heater OFF.
Oven common relay driving signal.
To turn on and off relay(RY3).
"H" level: During oven common relay ON.
"L" level: During oven common relay OFF.
Oven lamp and stirrer motor driving signal.
To turn on and off relay(RY).
"H" level: During oven lamp and stirrer motor ON.
"L" level: During oven lamp and stirrer motor OFF.
Magnetron high-voltage circuit driving signal.
To turn on and off the cook relay(RY2). In 00% power operation,
Description
20
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
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF
ON
H: +5V
L: GND
OFF