Sony SRS-X9 Service Manual page 44

SRS-X9
• IC Pin Function Description
MAIN BOARD IC002 R7S7200032CFP (SYSTEM CONTROLLER)
Pin No. Pin Name
1 AUDIO-BT-BCO-SEL
2 WiFi-M-CH-SEL
3 BCO-SPI-REQ
4 BCO-SPI-RDY
5 BCO-RESET
6 BCO-MUTE
7 VCC
8 NOTW
9 VSS
10 NRESET
11 PVCC
12 NBKND-ERR
13 NMUTE
14 AUDIO-MCLK
15 NFAULT
16 NCLIP
17 BCO-SPI-CLK
18 GND
19 BCO-SPI-CS
20 BCO-SPI-DOUT
21 VCC
22 BCO-SPI-DIN
23 VSS
24 AUDO-BCLK3
25 PVCC
26 AUDIO-LRCK3
27 USB-SEL2
28 AUDIO-DIN3
29 AUDIO-BCLK
30 AUDIO-LRCK
31 VSS
32 AUDIO-DOUT0
33 AUDIO-DOUT2
34 VCC
35 LED-POWER-RED
36 VSS
37 CKIO
38 LED-POWER-GREEN
39 PVCC
40 USB-SEL1
41 TOUCH-NRESET
42 LED-LINK-RED
43 DEBUG-TXD
44 WakeOnLan
45 POWER-KEY
46 VSS
47 LED-LINK-GREEN
48 LED-UPDATE
49 AC-CUT
50 PVCC
51 LED-AUDIOIN
52 AUDIO-BCLK1
53 AUDIO-LRCK1
54 LED-USB B
55 AUDIO-DIN1
44
I/O
Network/Bluetooth audio signal and clock signal selection signal output to the input select
O
switch
I Wi-Fi frequency setting terminal
I Request signal input from the WiFi module
I Ready signal input from the WiFi module
O Reset signal output to the WiFi module
I Muting on/off control signal input from the WiFi module
- Power supply terminal (+1.2V)
I Thermal watch signal input from the digital power amplifi er
- Ground terminal
O Reset signal output to the stream processor
- Power supply terminal (+3.3V)
I Error signal input from the stream processor
O Muting on/off control signal output to the stream processor
O Master clock signal output to the A/D converter and stream processor (24.576 MHz)
I Error signal input from the digital power amplifi er
I Cliping warning signal input from the digital power amplifi er
O Serial data transfer clock signal output to the WiFi module
- Ground terminal
O Chip select signal output to the WiFi module
O Serial data output to the WiFi module
- Power supply terminal (+1.2V)
I Serial data input from the WiFi module
- Ground terminal
I Bit clock signal input from the input select switch
- Power supply terminal (+3.3V)
I L/R sampling clock signal input from the input select switch
O USB data selection signal output to the USB select IC
I Audio signal input from the input select switch
O Bit clock signal output to the stream processor
O L/R sampling clock signal output to the stream processor
- Ground terminal
O Audio signal (L-ch/R-ch) output to the stream processor
O Audio signal (subwoofer) output to the stream processor
- Power supply terminal (+1.2V)
O LED drive signal output terminal for ?/1 indicator LED (red color)
- Ground terminal
O System clock output terminal
O LED drive signal output terminal for ?/1 indicator LED (green color)
- Power supply terminal (+3.3V)
O USB data selection signal output to the USB select IC
O Reset signal output to the touch panel section
O LED drive signal output terminal for LINK indicator LED (red color)
O Transmit data output terminal for the debug
I Wake-up signal input from the WiFi module
I ?/1 key input terminal
- Ground terminal
O LED drive signal output terminal for LINK indicator LED (green color)
O LED drive signal output terminal for UPDATE indicator LED
I AC cut detection signal input terminal
- Power supply terminal (+3.3V)
O LED drive signal output terminal for AUDIO IN indicator LED
O Bit clock signal output to the A/D converter
O L/R sampling clock signal output to the A/D converter
O LED drive signal output terminal for USB-B indicator LED
I Audio signal input from the A/D converter
Description
"L": reset
"L": muting on
"L": reset
"L": muting on
Not used
"L": reset
Not used
"H": LED on
"H": AC cut
"H": LED on
"H": LED on
"H": LED on
"H": LED on
"H": LED on
"H": LED on