Sony XAV-AX5000 Service Manual page 46

XAV-AX5000
MAIN BOARD IC801 LC88FC3K0AUTJ-2H (SYSTEM CONTROLLER)
Pin No. Pin Name
1 to 3 NC
4 FLASH_RW
5 RESET
6 SUB_X1
7 SUB_X2
8 VSS1
9 MAIN_X1
10 MAIN_X2
11 VDD1
12 ILL-
13 SPEED_PULSE
14 to 16 NC
17 EN_SYS
18 FLT_USB2
19 XM_PWR
20 SDO
21 SDI
22 SCK
23 SOC_TX
24 SOC_RX
25 SYNC
26 XM_RX
27 XM_TX
28 NC
29 PD1
30 FLT_USB1
31 NC
32 EN_USB1
33 NAVI_SW
34 BUSY
35 BU_IN
36 VSS2
37 VDD2
38 TU_SCL
39 TU_SDA
40 NC
41 CMD_ERR
42 CE
43 SYSRST
44 LED_PWM
45 SMONI
46 USB_IN
47, 48 NC
49 BT_PWR
50 DET_CDP
51 ACC_IN
52 VDD3
53 VSS3
54 NC
55 ILL IN
56 ATT
57 AMP_MUTE
58 AMPSTBY
59, 60 NC
61 OFFSET_DET (NC)
46
I/O
O Not used
I/O Flash writing terminal Not used
I System reset signal input from the regulator
I Low-speed clock input terminal (32.768 kHz)
O Low-speed clock output terminal (32.768 kHz)
- Ground terminal
I High-speed clock input terminal (9.25 MHz)
O High-speed clock output terminal (9.25 MHz)
- Power supply terminal (+3.3V)
I Not used
I Not used
O Debug test terminal Not used
O Power on/off control signal output to the DC/DC converter and regulator
I USB2 over current detection signal input from the VBUS switch
SIRIUSXM power supply on/off control signal output to the SIRIUSXM in connector
O
"H": power on (US, CND only)
O Serial data output to the audio DSP
I Serial data input from the audio DSP
O Serial data transfer clock signal output to the audio DSP
O Serial data output to the multimedia interface
I Serial data input from the multimedia interface
O Frequency control signal output to the DC/DC converter
I Serial data input from the SIRIUSXM in connector (US, CND only)
O Serial data output to the SIRIUSXM in connector (US, CND only)
O Not used
O Not used
I USB1 over current detection signal input from the regulator
O Not used
O USB1 power on/off control signal output to the USB charging controller
Navigation guidance selection signal output terminal
O
"L": external navigation, "H": Apple CarPlay or Android Auto
I Busy signal input from the audio DSP
I Back-up power detection signal input from the regulator
- Ground terminal
- Power supply terminal (+3.3V)
Serial data transfer clock signal output to the electrical volume, FM/AM receiver and display
O
controller
I/O Two-way serial data bus with the electrical volume, FM/AM receiver and display controller
O Not used
I Command error signal input from the audio DSP
O Chip enable signal output to the audio DSP
O Reset signal output to the audio DSP
O LED drive signal output terminal for key illumination
I Watch-dog timer status monitor input from the audio DSP
I USB device detection signal input from the audio DSP
O Not used
O Bluetooth power on/off control signal output to the regulator
Mode selection signal output to the USB charging controller
O
"L": standard mode, "H": charge mode
I Accessory power detection signal input from the regulator
- Power supply terminal (+3.3V)
- Ground terminal
O Not used
I Illuminate line detection signal input terminal
O Audio muting on/off control signal output terminal
O Amplifi er muting on/off control signal output to the power amplifi er
O Standby signal output to the power amplifi er
O Not used
O Not used
Description
"L": reset
"L": over current
"L": over current
"L": busy
"H": error
"L": reset
"H": LED on
"L": USB device is connected
"H": power on
"H": accessory power on
"L": Illuminate line is detected
"H": muting on
"L": muting on
"L": standby
"H": power on
"H": power on
SYS SET