Sony STR-DH520 Service Manual page 47

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