Service manual

R-820JS
27
Pin No. Signal I/O Description
51-90 SEG39-SEG0 OUT Segment data signal.
Connected to LCD. No connection in LCD.
91 VCC IN Connected to GND.
92 VREF IN Connected to GND.
93 AVSS IN Connected to VC.
94 COM3 OUT Common data signal: COM4.
Connected to LCD (Pin No. 36).
95 COM2 OUT Common data signal: COM3.
Connected to LCD (Pin No. 35).
96 COM1 OUT
Common data signal: COM2.
Connected to LCD (Pin No. 34).
97 COM0 OUT Common data signal: COM1.
Connected to LCD (Pin No. 33).
98-99 VL3-VL2 IN Power source voltage input terminal.
Standard voltage for LCD.
100 C2 IN Terminal not used.