STR-DH520
47
Pin No.
Pin Name
I/O
Description
1
SBL_SBR_RY
O
Surround back speaker relay driver control signal output
2
BRIDGEABLE_RY
O
Bridgeable relay control signal output
3
HP_RY
O
Headphone relay driver control signal output
4
HP_DET
I
Headphone detection signal input
5 NO_USED
-
Not
Used
6
E2P_SDA
I/O
Two-way data bus with the EEPROM
7
E2P_SCL
O
Serial data transfer clock signal output to the EEPROM
8
TUNER_SD
I
FM stereo detection signal input from the tuner (FM/AM)
9
TUNER_MOSI
O
Serial data output to the tuner (FM/AM)
10
TUNER_CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
11
TUN_RDS_CLK
I
RDS serial data transfer clock signal input from the tuner (FM/AM) (AEP and UK models only)
12
NO_USED
-
Not Used
13
NO_USED
-
Not Used
14
NO_USED
-
Not Used
15
NO_USED
-
Not Used
16
NO_USED
-
Not Used
17
NO_USED
-
Not Used
18
NO_USED
-
Not Used
19
NO_USED
-
Not Used
20
NO_USED
-
Not Used
21
TUNER_LAT
O
Latch signal output from tuner
22
TUNER_RDS_DATA
I
RDS serial data input from the tuner (FM/AM) (AEP and UK models only)
23
TUNER_MISO
I
Serial data input from the tuner (FM/AM)
24
DESTINATION
I
Destination detection input
25
MODEL
I
Model setting terminal
26
TEMP_SENSOR_1
I
Thermal sensor 1 signal input
27
TEMP_SENSOR_2
I
Thermal sensor 2 signal input
28
RECTIFIER_TEMP
-
Not Used
29
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
30
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
31
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
32
NO_USED
-
Not Used
33
NO_USED
-
Not Used
34
LIMITER
I
Limiter signal input
35
NO_USED
-
Not Used
36
AD_KEY1
I
Key signal input (A/D port)
37
AD_KEY2
I
Key signal input (A/D port)
38
TONE_JOG
I
Tone encoder signal input
39
INPUT_JOG
I
INPUT SELECTOR encoder signal input
40
VOLUME_JOG
I
Master volume encoder signal input
41
MIC_MUTE
O
Microphone muting on/off control signal output terminal “H”: muting on
42
HDMI_RST
O
System reset signal output for HDMI IC
43
HDMI_CECOUT
O
CEC signal output
44
NO_USED
-
Not Used
45
POWER_KEY
I
Power key detection signal input
46
SIRCS_IN
I
SIRCS signal input
47
HDMI_CECIN
I
CEC signal input
48
HDMI_RXD
I
UART data input from HDMI IC
49
HDMI_TXD
O
UART data output for HDMI IC
50
NO_USED
-
Not Used
51
NO_USED
-
Not Used
52
NO_USED
-
Not Used
53
NO_USED
-
Not Used
54
NO_USED
-
Not Used
• IC Pin Function Descriptions
DIGITAL BOARD (2/4) IC2105 MB90F058PF-G-JNE1 (SYSTEM CONTROL)
