Sharp R930AK Service Manual - Page 26

Signal similar to P27., Segment data signals., Segment data signal., Key strobe signal., Pin No.,

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Page 26 highlights

R-930AK R-930AW Pin No. Signal 34 P26 35 P25 36 P24 37 P23 38-40 41 P22-P20 P17 42 P16 43 P15 44 P14 45 P13 46 P12 47 P11 I/O IN IN IN OUT OUT OUT OUT OUT OUT OUT OUT OUT Description Signal similar to P27. When any one of G-2 line key on key matrix is touched, a corresponding signal will be input into P26. Signal similar to P27. When any one of G-3 line key on key matrix is touched, a corresponding signal will be input into P25. Signal similar to P27. When any one of G-4 line key on key matrix is touched, a corresponding signal will be input into P24. Segment data signals. The relation between signals and indicators are as follows: Signal Segment Signal Segment Signal Segment Signal Segment P23 P1 P17 P5 P13 P9 P07 P13 P22 P2 P16 P6 P12 P10 P06 P14 P21 P3 P15 P7 P11 P11 P05 P15 P20 P4 P14 P8 P10 P12 P04 P16 Segment data signal. Signal similar to P23. Segment data signal. Signal similar to P23. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while one of G-12 line keys on key matrix is touched. Segment data signal. Signal similar to P23. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while one of G-11 line keys on key matrix is touched. Segment data signal. Signal similar to P23. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while one of G-10 line keys on key matrix is touched. Segment data signal. Signal similar to P23. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while one of G-9 line keys on key matrix is touched. Segment data signal. Signal similar to P23. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while one of G-8 line keys on key matrix is touched. Segment data signal. Signal similar to P23. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while one of G-7 line keys on key matrix is touched. Segment data signal. Signal similar to P23. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while one of G-6 line keys on key matrix is touched. 24

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24
R-930AK
R-930AW
34
P26
IN
Signal similar to P27.
When any one of G-2 line key on key matrix is touched, a corresponding signal will be
input into P26.
35
P25
IN
Signal similar to P27.
When any one of G-3 line key on key matrix is touched, a corresponding signal will be
input into P25.
36
P24
IN
Signal similar to P27.
When any one of G-4 line key on key matrix is touched, a corresponding signal will be
input into P24.
37
P23
OUT
Segment data signals.
The relation between signals and indicators are as follows:
Signal
Segment
Signal
Segment
Signal
Segment
Signal
Segment
P23
.............
P1
P17
.............
P5
P13
.............
P9
P07
...........
P13
P22
.............
P2
P16
.............
P6
P12
...........
P10
P06
...........
P14
P21
.............
P3
P15
.............
P7
P11
...........
P11
P05
...........
P15
P20
.............
P4
P14
.............
P8
P10
...........
P12
P04
...........
P16
38-40
P22-P20
OUT
Segment data signal.
Signal similar to P23.
41
P17
OUT
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse
signal is input to P24-P27 terminal
while one
of G-12 line keys on key matrix is touched.
42
P16
OUT
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal
while
one of G-11 line keys on key matrix is touched.
43
P15
OUT
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal
while
one of G-10 line keys on key matrix is touched.
44
P14
OUT
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal
while
one of G-9 line keys on key matrix is touched.
45
P13
OUT
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal
while
one of G-8 line keys on key matrix is touched.
46
P12
OUT
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal
while
one of G-7 line keys on key matrix is touched.
47
P11
OUT
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal
while
one of G-6 line keys on key matrix is touched.
Pin No.
Signal
I/O
Description