Sharp R-1514F Supplemental Service Manual page 18

R-1514
Pin No. Signal I/O
34 P26 OUT
35 P25 OUT
36 P24 OUT
37 P23 OUT
38 P22 OUT
39 P21 OUT
40 P20 OUT
41 P17 OUT
42 P16 OUT
43 P15 OUT
44 P14 OUT
45-47 P13-P11 OUT
48-72 SEG24-SEG0 OUT
73/74 VCC/VREF IN
75 AVSS IN
76 COM3 OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G7 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G6 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G5 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G4 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G3 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G2 line keys on key matrix is touched.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one
of G1 line keys on key matrix is touched.
Hood lamp driving signal.
To turn on and off relay(RY6). "L" level: During
Hood lamp ON. "H" level: During Hood lamp OFF.
Hood lamp driving signal.
To turn on and off relay(RY5). "L" level: During
Hood lamp ON. "H" level: During Hood lamp OFF.
Hood motor high / low driving signal.
To turn on and off relay(RY3). "L" level: During Hood
motor high. "H" level: During Hood motor low.
Hood motor driving signal.
To turn on and off relay(RY4). "L" level: During
Hood motor ON. "H" level: During Hood motor OFF.
Terminal not used.
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
LSI signal (Pin No.) LCD (Pin No.)
SEG 24 (48) ---------------- SEG24 (29)
SEG 23 (49) ---------------- SEG23 (28)
SEG 22 (50) ---------------- SEG22 (27)
SEG 21 (51) ---------------- SEG21 (26)
SEG 20 (52) ---------------- SEG20 (25)
SEG 19 (53) ---------------- SEG19 (24)
SEG 18 (54) ---------------- SEG18 (23)
SEG 17 (55) ---------------- SEG17 (22)
SEG 16 (56) ---------------- SEG16 (21)
SEG 15 (57) ---------------- SEG15 (20)
SEG 14 (58) ---------------- SEG14 (19)
SEG 13 (59) ---------------- SEG13 (18)
SEG 12 (60) ---------------- SEG12 (17)
Connected to GND.
Connected to VC.
Common data signal.
16
Description
ON
ON
ON
ON
LSI signal (Pin No.)
SEG 11 (61) ------------------ SEG11 (16)
SEG 10 (62) ------------------ SEG10 (15)
SEG 9 (63) ------------------ SEG 9 (14)
SEG 8 (64) ------------------ SEG 8 (13)
SEG 7 (65) ------------------ SEG 7 (12)
SEG 6 (66) ------------------ SEG 6 (11)
SEG 5 (67) ------------------ SEG 5 (10)
SEG 4 (68) ------------------ SEG 4 ( 9)
SEG 3 (69) ------------------ SEG 3 ( 8)
SEG 2 (70) ------------------ SEG 2 ( 7)
SEG 1 (71) ------------------ SEG 1 ( 6)
SEG 0 (72) ------------------ SEG 0 ( 5)
Connected to LCD signal COM4.
H : GND
OFF
L
H : GND
OFF
L
H : GND
OFF
L
H : GND
OFF
L
LCD (Pin No.)