Read Sony STR-DA90ESG Service Manual online
– 14 –
Pin No.
Pin Name
I/O
Function
46
SCK1
I
Serial data reading clock signal input terminal Not used (open)
47
BUZ
O
Not used (fixed at “L”)
48
PWM
O
Sircs signal output terminal
49
TEST1
O
Test terminal Not used (open)
50
RES
I
Reset signal input from the on screen display controller (IC809) “L”: reset
51
XT1
I
Sub system clock input terminal Not used (fixed at “L”)
52
XT2
O
Sub system clock output terminal Not used (open)
53
VSS1
—
Ground terminal
54
CF1
I
Main system clock input terminal (6 MHz)
55
CF2
O
Main system clock output terminal (6 MHz)
56
VDD1
—
Power supply terminal (+5V)
57
AN0
I
Not used (fixed at “L”)
58
AN1
I
Not used (fixed at “L”)
59
AN2
I
Not used (fixed at “L”)
60
AN3
I
Not used (fixed at “L”)
61
AN4
I
Not used (fixed at “L”)
62
AN5
I
Not used (fixed at “L”)
63
AN6
I
Not used (fixed at “L”)
64
AN7
I
Not used (fixed at “L”)
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