Read Sony STR-DA90ESG Service Manual online
– 22 –
1
RFERR
I
RF demodulater error signal input terminal “H”: error
2
RFRESET
O
RF demodulater reset signal output terminal “L”: active
3
STOP
I
System stop signal input terminal “L”: stop
4
RDATA
I
Data signal input from the digital audio interface receiver (IC3311)
5
WDATA
O
Data signal output to the digital audio interface receiver (IC3311)
6
DIRLAT
O
Latch pulse signal output to the digital audio interface receiver (IC3311)
7
DIRCLK
O
Clock signal output to the digital audio interface receiver (IC3311)
8
DIRERR
I
Error signal input from the digital audio interface receiver (IC3311)
9
ANG/DIG
O
Analog/Digital data select signal output to the selector (IC3414)
10
A/DINT
O
Initialize signal output to the A/D convertor (IC3104)
11
Vss
—
Ground terminal
12
HREQ
I
Host request signal input from the digital signal processor (IC3410)
13
SS
O
SPI slave select signal output to the digital signal processor (IC3410)
14
MOSI
O
Communication data output to the digital signal processor (IC3410)
15
RESET
O
Reset signal output to the digital signal processor (IC3410)
16
MISO
I
Communication data input from the digital signal processor (IC3410)
17
CLOCK
O
Serial data reading clock signal output to the digital signal processor (IC3410)
18
HREQ
I
Host request signal input from the digital signal processor (IC3412)
19
SS
O
SPI slave select signal output to the digital signal processor (IC3412)
20
MOSI
O
Communication data output to the digital signal processor (IC3412)
21
RESET
O
Reset signal output to the digital signal processor (IC3412)
22
MISO
I
Communication data input from digital signal processor (IC3412)
23
VCC
—
Power supply terminal (+5 V)
24
CLOCK
O
Serial data reading clock signal output to the digital signal processor (IC3412)
25
D/AINT
O
Initialize signal output to the digital filter (IC3401~3403)
26
D/ALAT
O
Latch pulse signal output to the digital filter (IC3401~3403)
27
C
—
Connect capacitor
28
D/ACLK
O
Serial data reading clock signal output to the digital filter (IC3401~3403)
29
D/ADATA
O
Data signal output to the digital filter (IC3401~3403)
30
SRCINI
O
Initialize signal output Not used (open)
31
D/A8DAT
O
8bit data signal output to the D/A convertor Not used (open)
32
D/A8CLK
O
8bit serial data reading clock signal output to the D/A convertor Not used (open)
33
D/A8LAT
O
8bit latch pulse signal output to the D/A convertor Not used (open)
34, 35
VCC
—
Power supply terminal (+5 V)
36, 37
VSS
—
Ground terminal
38
LOW-FRQ-IED
I
General digital signal input from digital signal processor (IC3412)
39
GAIN-FRONT-8DB
O
Front out +8 dB signal output terminal “H”: active
40
GAIN-FRONT-4DB
O
Front out +4 dB signal output terminal “H”: active
41
GAIN-FRONT-2DB
O
Front out +2 dB signal output terminal “H”: active
42
VSS
—
Ground terminal
43 to 47
N.C.
—
Not used (open)
48
STOPIN
I
Power check signal input terminal “L”: error
49
MD0
I
Mode set terminal (fixed at “H”)
50
MD1
I
Mode set terminal (fixed at “H”)
51
MD2
I
Mode set terminal (fixed at “L”)
•
DIGITAL BOARD IC3413
MB90641APF-G-104-BND (MASTER CONTROLLER)
Pin No.
Pin Name
I/O
Function
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