Read Sony STR-DA90ESG Service Manual online
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Pin No.
Pin Name
I/O
Function
46
—
—
Not used (open)
47
—
—
Not used (open)
48
—
—
Not used (open)
49
AUBUS-IN
I
Audio bus signal input terminal
50
V.SIGNAL
I
Video signal exist/without “H”: exist
51
SIRCS-IN
I
Sircs signal input from the remote control receiver (IC104)
52
NTSC/PAL
I
Detection signal input of the video system
53
AUBUS-OUT
O
Audio bus signal output terminal
54
SCART (8)
O
Scart P8 control signal output terminal Not used (open)
55
SEETH
O
See-through mode signal output terminal Not used (open)
56
—
—
Not used (open)
57
—
—
Not used (open)
58
—
—
Not used (open)
59
—
—
Not used (open)
60
IR-OFF
O
IR on/off control signal output terminal
61
BUSY
O
Busy signal output to the FL drive controller (IC105)
62
RESET
I
Reset signal input terminal “L”: reset
63
GND
—
Ground terminal
64
XO
O
System clock signal output terminal (4MHz)
65
XI
I
System clock signal input terminal (4MHz)
66
VCC
—
Power supply terminal (+5V)
67
AD00
I/O
Two way data bus with the program ROM (IC820), S-RAM (IC821)
68
AD01
I/O
69
AD02
I/O
70
AD03
I/O
71
AD04
I/O
72
AD05
I/O
73
AD06
I/O
74
AD07
I/O
75
AD08
I/O
Two way data bus with the program ROM (IC820), S-RAM (IC822) and address data (for
address signal) output to the interface latch (IC818)
address signal) output to the interface latch (IC818)
76
AD09
I/O
77
AD10
I/O
78
AD11
I/O
79
AD12
I/O
80
AD13
I/O
Two way data bus with the program ROM (IC820), S-RAM (IC822) and address data (for
address signal) output to the interface latch (IC818)
address signal) output to the interface latch (IC818)
Two way data bus with the program ROM (IC820), S-RAM (IC821) and address data (for
address signal) output to the interface latch (IC816)
address signal) output to the interface latch (IC816)
Two way data bus with the program ROM (IC820), S-RAM (IC821) and address data (for
address signal) output to the interface latch (IC818)
address signal) output to the interface latch (IC818)
Two way data bus with the program ROM (IC820), S-RAM (IC822) and address data (for
address signal) output to the interface latch (IC816)
address signal) output to the interface latch (IC816)
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