Sony MDS-W1, Service Manual

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Pin No. Pin Name I/O Function
O
—
O
O
O
O
O
O
O
I
—
I
—
—
O
Fluorescent display tube module data output
Not used
MD SYNC LED output
SEQUENCE LED output
OUTPUT LED output
POWER LED output
Not used
Key input pin (A/D input)
Ground
Key input pin (A/D input)
+3.3V power supply
Not used
DISPLAY D7-D0
—
LED3 (MD SYNC)
LED2 (SEQUENCE)
LED0 (MONITOR)
LED1 (POWER)
—
KEY-7
KEY-6
KEY-5 – KEY-1
AVSS
KEY-0
VREF
+3.3V
—