50
STR-K7100
IC1907 MB91353APMT-G-112E1 (SYSTEM CONTROL) (DIGITAL BOARD (2/3))
Pin No.
Pin Name
I/O
Pin Description
1
HDMI MUTE
I
HDMI mute signal input Not used in this set. (Open)
2
HDMI RESET/HDMI PRE
O
HDMI reset signal output
3
XM RESET
O
XM reset signal output
4
XMDACMDI/
O
XM D/A converter MDI signal output
PCM1609 MDI
5
XMDACMC/
O
XM D/A converter MC signal output
PCM1609 MC
6
XMDACMS
O
XM D/A converter MS signal output
7
SUB T
O
Sub T signal output Not used in this set. (Open)
8
HP DETECT
I
Headphone detect signal input
9
POWER RY
O
Power relay control signal output
10
VOL CL
O
Volume serial clock signal output
11
VOL DA
O
Volume serial latch signal output
12
PROTECTOR
I
Protect control signal input
13
BRIDGEABLE RY
O
Bridgeable relay control signal output
14
FUSE DETECT
I
Fuse detect signal input
15
VOL ENCODER(B) UP
I
Volume encoder signal input (up)
16
VOL ENCODER(A) DOWN
I
Volume encoder signal input (down)
17
FRONT B RY
O
Front B speakers relay control signal output
18
GND
—
Ground pin
19
VCC
—
Power supply pin (+3.3 V)
20
INPUT ENCODER A
I
Input select encoder signal input A
21
INPUT ENCODER B
I
Input select encoder signal input B
22
SW RY
O
Sub woofer relay control signal output
23
HP RY
O
Headphone relay control signal output
24
C/REAR/SB RY
O
Center/surround speaker relay control signal output
25
FRONT RY
O
Front speaker relay control signal output
26
TUN DO
I
Tuner serial data signal input
27
TUN LAT
O
Tuner serial latch signal output
28
V MUTE
O
Video mute control signal output
29
V COMP SW2
O
Video component select switch control signal output 2
30
V COMP SW1
O
Video component select switch control signal output 1
31
V SW4
O
Video input select switch control signal output 4
32
V SW3
O
Video input select switch control signal output 3
33
V SW2
O
Video input select switch control signal output 2
34
V SW1
O
Video input select switch control signal output 1
35
TUNING ENCODER A
I
Tuning encoder signal input A Not used in this set.
36
TUNING ENCODER B
I
Tuning encoder signal input B Not used in this set.
37
PCM1609 RESET
O
A/D and D/A converters reset signal output
38
DIR XMODE
O
Digital audio interface receiver reset signal output
39
DIR CLK SEL
O
Digital audio interface receiver serial clock select signal output
40
VSS
—
Ground pin
41
TC74HC153A
O
Input select switch control signal output A
42
TC74HC153B
O
Input select switch control signal output B
43
VSS
—
Ground pin
44
VCC
—
Power supply pin (+3.3 V)
45
DIR CLK
O
Digital audio interface receiver serial clock signal output
46
DIR CE(LAT)
O
Digital audio interface receiver serial latch signal output
47
DIR DI
O
Digital audio interface receiver serial data signal output
48
DIR DO
I
Digital audio interface receiver serial data signal input
Summary of Contents for STR-K7100 - Multi Channel Av Receiver
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