Sony MEX-1HD Service Manual page 96

MEX-1HD
• DISPLAY BOARD IC903 RRX9000-0401R#01 (SIRCS CONTROLLER)
Pin No. Pin Name
VDD
1
2 VSS
XIN
3
XOUT
4
CNVSS
5
6 RESET
7, 8 F0, F1
9 SIRCS IN
10 G1/INT
11, 12 G2, G3
13 to 16 S3 to S0
17 D3/K
18 to 20 D2/C, D1, D0
96
I/O
—
Power supply terminal (+5V)
— Ground terminal
I System clock input terminal (4 MHz)
O System clock output terminal (4 MHz)
—
Ground terminal
I Reset signal input terminal "L": reset
—
Not used
I
SIRCS signal input from the remote control receiver
—
Not used
—
Not used
—
Not used
O
SIRCS signal output to the system controller
—
Not used
Description