Sharp R-1405 Service Manual page 26

R-1405
R-1406
Pin No. Signal
34 P26
35 P25
36 P24
37 P23
38 P22
39 P21
40 P20
41 P17
42 P16
43 P15
44 P14
45-47 P13-P11
48-50
SEG24-SEG22
51-72
SEG21-SEG0
73/74 VCC/VREF
75 AVSS
76 COM3
77 COM2
78 COM1
79 COM0
80 VL3
I/O
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.
OUT 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.
OUT Terminal not used.
OUT Terminal not used.
OUT 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.
OUT 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.
OUT 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.
OUT Terminal not used.
OUT Hood lamp driving signal.
To turn on and off relay(RY5). " L " level: During
Hood lamp ON. "H" level: During Hood lamp
OFF.
OUT Terminal not used.
OUT Hood motor driving signal.
To turn on and off relay(RY4). "L" level: During
Hood motor ON. "H" level: During Hood motor
OFF.
OUT Terminal not used.
OUT Terminal not used.
OUT Segment data signal.
Connected to LCD.
The relation between signals are as follows:
LSI signal (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)
IN Connected to GND.
IN Connected to VC.
OUT Terminal not used.
OUT Common data signal: COM2.
Connected to LCD signal COM2.
OUT Common data signal: COM1.
Connected to LCD signal COM1.
OUT Common data signal: COM0.
Connected to LCD signal COM0.
IN Power source voltage input terminal.
Standard voltage for LCD.
Description
LCD (Pin No.) LSI signal (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)
24
H : GND
OFF
ON L
H : GND
OFF
ON L
LCD (Pin No.)