R-352AM - Sharp Home Appliance Service Manual (repair manual). Page 12

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R352M - 12
 
DESCRIPTION OF LS
 
LSI(IZA954DR)
The I/O signal of the LSI(IZA954DR) are detailed in the following table.
73/74
VCC/VREF
IN
Connected to GND.
75
AVSS
IN
Connected to VC.
76
COM3
OUT
Terminal not used.
77
COM2
OUT
Common data signal.
Connected to LCD signal C3.
78
COM1
OUT
Common data signal.
Connected to LCD signal C2.
Pin No.
Signal
I/O
Description
79
COM0
OUT
Common data signal.
Connected to LCD signal C1.
80
VL3
IN
Power source voltage input terminal.
Standard voltage for LCD.
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