Sharp KB-6014LS Service Manual page 21

Pin No. Signal
7 COM0 OUT
8 VL3
9 - 31 P7- P5 OUT
3 SEG0 OUT
33 P3
34 P
35 P1
36 P0
37 P17 OUT
38 P16 OUT
39 P15 OUT
40 P14 OUT
41 P13 OUT
4 P1 OUT
43 P11 OUT
44 P10 OUT
45 P07 OUT
46 P06 OUT
I/O
Common data signal.
Connected to LCD signal C4.
IN Connected VC (+5V).
Turminal not used.
Segment data signal.
Connected to LCD segment S4.
IN Signal coming from touch key.
When any one of J-4 line keys on key matrix is touched, a corresponding signal from P10-
P17 will be input into P3. When no key is touched, the signal is held at "L" level.
Signal similar to P23.
IN
When any one of J-3 line keys on key matrix is touched, a corresponding signal will be
input into P.
Signal similar to P23.
IN
When any one of J- line keys on key matrix is touched, a corresponding signal will be
input into P1.
IN Signal similar to P23.
When any one of J-1 line keys on key matrix is touched, a corresponding signal will be
input into P0.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-1 line key on matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-11 line key on matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-10 line key on matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-9 line key on matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-8 line key on matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-7 line key on matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-6 line key on matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P0 - P3 terminal while
one of J-5 line key on matrix is touched.
Fan motor (Drawer) driving signal.
To turn on and off relay(RY4).
"H" level: During fan motor ON.
"L" level: During fan motor OFF.
Stirrer motor driving signal.
To turn on and off relay(RY3).
"H" level: During fan motor ON.
"L" level: During fan motor OFF.
Description
ON
ON
1
KB-6014LS
KB-6014LK
KB-6014LW
H: +5V
L: GND
OFF
H: +5V
L: GND
OFF