Sharp R-1505F Service Manual page 25

Pin No. Signal I/O
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
48-50 OUT
SEG24-SEG22
51-72 OUT
SEG21-SEG0
73/74 VCC/VREF IN
75 AVSS IN
76 COM3 OUT
77 COM2 OUT
78 COM1 OUT
79 COM0 OUT
80 VL3 IN
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.
Terminal not used.
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
LSI signal (Pin No.) LCD (Pin No.)
SEG 21 (51) -------------------- SEG21 ( 1)
SEG 20 (52) -------------------- SEG20 ( 2)
SEG 19 (53) -------------------- SEG19 ( 3)
SEG 18 (54) -------------------- SEG18 ( 4)
SEG 17 (55) -------------------- SEG17 ( 5)
SEG 16 (56) -------------------- SEG16 ( 6)
SEG 15 (57) -------------------- SEG15 ( 7)
SEG 14 (58) -------------------- SEG14 ( 8)
SEG 13 (59) -------------------- SEG13 ( 9)
SEG 12 (60) ------------------- SEG12 (10)
SEG 11 (61) ------------------- SEG11 (11)
Connected to GND.
Connected to VC.
Terminal not used.
Common data signal: COM2.
Connected to LCD signal COM2.
Common data signal: COM1.
Connected to LCD signal COM1.
Common data signal: COM0.
Connected to LCD signal COM0.
Power source voltage input terminal.
Standard voltage for LCD.
23
Description
ON
ON
ON
ON
LSI signal (Pin No.) LCD (Pin No.)
SEG 10 (62) --------------------- SEG10 (12)
SEG 9 (63) ---------------------- SEG 9 (13)
SEG 8 (64) ---------------------- SEG 8 (14)
SEG 7 (65) ---------------------- SEG 7 (15)
SEG 6 (66) ---------------------- SEG 6 (16)
SEG 5 (67) ---------------------- SEG 5 (17)
SEG 4 (68) ---------------------- SEG 4 (18)
SEG 3 (69) ---------------------- SEG 3 (19)
SEG 2 (70) ---------------------- SEG 2 (20)
SEG 1 (71) ---------------------- SEG 1 (21)
SEG 0 (72) ---------------------- SEG 0 (22)
R-1500
R-1501
R-1505
R-1506
H : GND
OFF
L
H : GND
OFF
L
H : GND
OFF
L
H : GND
OFF
L