Sony HT-ST7 Service Manual page 58

HT-ST7
• IC Pin Function Description
MAIN BOARD IC1002 R5F3650NCDFB (SYSTEM CONTROLLER)
Pin No. Pin Name
1 SIRCS_IN
2 TP_LED
3 DSP MOSI
4 DSP MISO
5 DSP_SPICLK
6 BYTE
7 CNVss
8 ROM_SDA
9 ROM_SCLK
10 RESET
11 Xout
12 Vss
13 Xin
14 Vcc1
15 CEC (I/O)
16 DIR_ZERO
17 RFDET_NFC
18 DRIVE_SD (DIAG)
19 WL_DET
20 N.A.
21 WL_RST
22 N.A.
23 HDMI_TX_5VPWR
24 HDMI_NON_LPCM
25 DIR ERROR
26 DRIVE_RST
27 DAMP_SCL0
28 DAMP_SDA0
29 M_TX_OUT_DSP
30 M_RX_IN_DSP
31 SCD/CLK1
32 BUSY/RTS1
33 MC_BT-TXD0
34 MC_BT-RXD0
35 N.A.
36 MC_BT_RTS
37 N.A.
38 A_SEL0
39 HOLD
40 WL_SCL
41 WL_SDA
42 BT_RST
43 PCONT_BT
44 WR_Flash
45 HDMI_SDA
46 HDMI_SCL
47 HDMI_MUTE_DET
48 DSP_SPIDS
49 DSP_RESET
50 SF_HOLD_DSP
51 DIR_HCE
52 DIR_XSTATE
53 DIR_RST
58
I/O
I SIRCS signal input from the remote control receiver
O LED drive signal output terminal for the Bluetooth indicator
O Serial data output to the DSP and serial fl ash
I Serial data input from the DSP and serial fl ash
O Serial data transfer clock signal output to the DSP and serial fl ash
I External data bus width selection signal input terminal
I Processor mode selection signal input terminal
I/O Two-way data bus with the EEPROM
O Serial data transfer clock signal output to the EEPROM
System reset signal input terminal
I
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
O System clock output terminal (8 MHz)
- Ground terminal
I System clock input terminal (8 MHz)
- Power supply terminal (+3.3V)
I/O Two-way CEC serial data with the HDMI connector
I Zero data detection signal input from the digital audio interface receiver
I Magnetic fi eld detection signal input from the NFC
I Shut down signal input from the digital power amplifi er
RF modulator connection detection signal input terminal
I
"L": RF modulator is connected
O Not used
O Reset signal output to the RF modulator
O Not used
+5V power on/off control signal output terminal for the HDMI TV OUT (ARC) connector
O
"H": power on
O Audio setting signal output terminal
I Error detection signal input from the digital audio interface receiver
O Reset signal output to the digital power amplifi er
O Serial data transfer clock signal output to the stream processor
I/O Two-way data bus with the stream processor
O Serial data output to the DSP
I Serial data input from the DSP
I Serial data transfer clock signal input terminal for fl ash writing
I Clear to send signal input from the Bluetooth module
O Serial data output to the Bluetooth module
I Serial data input from the Bluetooth module
O Not used
O Return to send signal output to the Bluetooth module
O Not used
O Reset signal output to the sample rate converter
I Fixed at "L" in this unit
O I2C clock signal output to the RF modulator
I/O Two-way I2C data bus with the RF modulator
O Reset signal output to the Bluetooth module
+3.3V power supply on/off control signal output terminal for the Bluetooth module
O
"H": power on
I Fixed at "H" in this unit
I/O Two-way I2C data bus with the HDMI transceiver
O I2C clock signal output to the HDMI transceiver
O HDMI muting on/off control signal input from the HDMI transceiver
O Chip select signal output to the DSP and serial fl ash
O Reset signal output to the DSP
O Hold signal output to the serial fl ash
O Chip enable signal output to the digital audio interface receiver
I Source clock selection monitor input from the digital audio interface receiver
O Reset signal output to the digital audio interface receiver
Description
"H": LED on
Fixed at "L" in this unit
"L": reset
"L": shut down
"L": reset
"L": LPCM audio, "H": HBR audio
"L": reset
"L": reset
"L": reset
"L": reset
"L": reset
"L": error
"H": muting on