Sharp R-403KK-T Service Manual page 23

Pin No. Signal I/O
56-72 SEG16-SEG0 OUT
73 VCC IN
74 VREF IN
75 AVSS IN
76 COM3 OUT
77 COM2 OUT
78 COM1 OUT
79 COM0 OUT
80 VL3 IN
Segment data signal.
Connected to LCD. The relation between signals are as follows:
LSI signal (Pin No.) LCD (segment)
SEG 0 (72) ----------------- SEG 0
SEG 1 (71) ----------------- SEG 1
SEG 2 (70) ----------------- SEG 2
SEG 3 (69) ----------------- SEG 3
SEG 4 (68) ----------------- SEG 4
SEG 6 (66) ----------------- SEG 6
SEG 7 (65) ----------------- SEG 7
SEG 8 (64) ----------------- SEG 8
Power source voltage: GND (0V).
A/D converter power source voltage: GND (0V).
The power source voltage to drive the A/D converter. Connected to GND.
A/D converter power source voltage: -5.0V.
The power source voltage to drive the A/D converter.
Common data signal.
Connected to LCD signal COM3.
Common data signal.
Connected to LCD signal COM0.
Common data signal.
Connected to LCD signal COM1.
Common data signal.
Connected to LCD signal COM2.
Power source voltage input terminal.
Standard voltage for LCD. Connected to GND.
Description
LSI signal (Pin No.)
SEG 9 (63) ----------------- SEG 9
SEG 10(62) ----------------- SEG 10
SEG 11(61) ----------------- SEG 11
SEG 12 (60) ----------------- SEG 12
SEG 13 (59) ----------------- SEG 13
SEG 14 (58) ----------------- SEG 14
SEG 15 (57) ----------------- SEG 15
SEG 16 (56) ----------------- SEG 16
9 – 3
R403KKT
LCD (segment)