Read Sharp R-33ST Service Manual online
R33ST - 12
Pin No.
Signal
I/O
Description
56
P10
OUT
Terminal not used.
57-60
SEG33-SEG30
OUT
Terminal not used.
61-90
SEG29-SEG0
OUT
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
The relation between signals are as follows:
LSI signal (Pin No.) LCD (Pin No.) LSI signal (Pin No.) LCD (Pin No.)
SEG 0 (90) ............................... 1
SEG 0 (90) ............................... 1
SEG15 (75) ............................ 29
SEG 1 (89) ............................... 2
SEG16 (74) ............................ 28
SEG 2 (88) ............................... 3
SEG17 (73) ............................ 27
SEG 3 (87) ............................... 4
SEG18 (72) ............................ 26
SEG 4 (86) ............................... 5
SEG19 (71) ............................ 25
SEG 5 (85) ............................... 6
SEG20 (70) ............................ 24
SEG 6 (84) ............................... 7
SEG21 (69) ............................ 11
SEG 7 (83) ............................... 8
SEG22 (68) ............................ 23
SEG 8 (82) ............................... 9
SEG23 (67) ............................ 22
SEG 9 (81) ............................. 10
SEG24 (66) ............................ 12
SEG10 (80) ............................. 34
SEG25 (65) ............................ 13
SEG11 (79) ............................. 33
SEG26 (64) ............................ 14
SEG12 (78) ............................. 32
SEG27 (63) ............................ 15
SEG13 (77) ............................. 31
SEG28 (62) ............................ 16
SEG14 (76) ............................. 30
SEG29 (61) ............................ 17
91
VCC
IN
Connected to GND.
92
VREF
IN
Connected to GND.
93
AVSS
IN
Connected to VC.
94
COM3
OUT
Common data signal: COM3.
Connected to LCD (Pin No. 21).
95
COM2
OUT
Common data signal: COM2.
Connected to LCD (Pin No. 20).
96
COM1
OUT
Common data signal: COM1.
Connected to LCD (Pin No. 19).
97
COM0
OUT
Common data signal: COM0.
Connected to LCD (Pin No. 18).
98-99
VL3-VL2
IN
Power source voltage input terminal.
Standard voltage for LCD.
100
C2
IN
Terminal not used.
DESCRIPTION OF LSI
LSI(IZA988DR)
The I/O signal of the LSI(IZA988DR) are detailed in the following table.
Click on the first or last page to see other R-33ST service manuals if exist.