![background image](http://html.mh-extra.com/html/sony/hcd-md1ex-system/hcd-md1ex-system_service-manual_420809070.webp)
– 92 –
Pin No.
Pin Name
I/O
Function
81, 82
—
I
Not used (fixed at “L”)
83
POWER
O
Power on/off control signal output terminal Not used (pull down)
84 to 90
—
I
Not used (fixed at “L”)
91 to 93
KEY0 to KEY2
I
Key input terminal (A/D input) Not used (fixed at “H”)
94
—
I
Not used (fixed at “L”)
95
SOURCE
I
Not used (fixed at “L”)
96
AVSS
—
Ground terminal (for A/D converter)
97
—
I
Not used (fixed at “L”)
98
VREF3.3V
I
Reference voltage (+3.3V) input terminal (for A/D converter)
99
+3.3V
—
Power supply terminal (+3.3V) (for analog system )
100
—
I
Not used (fixed at “L”)
Summary of Contents for HCD-MD1EX - System
Page 2: ... 2 ...
Page 11: ... 11 This section is extracted from instruction manual ...
Page 93: ...115 HCD MD1EX MEMO ...