Read Sony SA-NS310 Service Manual online
SA-NS310
19
• IC Pin Function Description
MAIN BOARD IC115 R5F364AEDFA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
NO USE
O
Not used
3
SIRCS2
O
Not used
4
SIRCS
I
SIRCS signal input from the remote control receiver
5 to 7
NO USE
O
Not used
8
BYTE
I
External data bus width selection signal input terminal Fixed at “L” in this unit
9
CNVss
I
Processor mode selection signal input terminal
10, 11
NO USE
O
Not used
12
RESET
I
System reset signal input from the reset signal receiver “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
13
Xout
O
Main system clock output terminal (5 MHz)
14
Vss
-
Ground terminal
15
Xin
I
Main system clock input terminal (5 MHz)
16
Vcc
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Not used
18
NW_SPI_REQ
I
Request signal input from the wireless LAN module
19
NW_SPI_READY
I
Ready signal input from the wireless LAN module
20
DC_DET
I
Speaker DC detection signal input terminal
21
NW_RESET
O
Reset signal output to the wireless LAN module “L”: reset
22
DAMP_SCL
O
Serial data transfer clock signal output to the digital power amplifi er
23
DAMP_VALID
I
Valid signal input terminal Not used
24
DAMP_SDA
O
Serial data output to the digital power amplifi er
25
DAMP_THM
I
Thermal warming signal input terminal Not used
26
DAMP_XFAULT
I
Fault signal input terminal Not used
27
DAMP_RESET
O
Reset signal output to the digital power amplifi er “L”: reset
28
DAMP_XMUTE
O
Muting control signal output terminal Not used
29
IIC_SCL
O
Not used
30
IIC_SDA
O
Not used
31
TXD1
O
Serial data output terminal for fl ash writing
32
RXD1
I
Serial data input terminal for fl ash writing
33
CLK1
I
Serial data transfer clock signal input terminal for fl ash writing
34
RTS1
O
Return to send signal output terminal for fl ash writing
35
NW_SPI_DOUT
O
Serial data output to the wireless LAN module
36
NW_SPI_DIN
I
Serial data input from the wireless LAN module
37
NW_SPI_CLK
O
Serial data transfer clock signal output to the wireless LAN module
38
NW_SPI_CS
O
Chip select signal output to the wireless LAN module
39
DAMP_XPDN
O
Power down signal output to the digital power amplifi er “L”: power down
40
NO USE
O
Not used
41
EPM
I
EPM signal input terminal for fl ash writing Fixed at “L” in this unit
42
NO USE
O
Not used
43
LED_PARTY_(RED)
O
LED drive signal output terminal for party streaming indicator (red color) “H”: LED on
44
LED_PARTY_(GRN)
O
LED drive signal output terminal for party streaming indicator (green color) “H”: LED on
45
PCON3b
O
Power supply on/off control signal output terminal “H”: power on
46
CE
I
Chip enable signal input terminal for fl ash writing Fixed at “H” in this unit
47
LED_PLAY (WHITE)
O
LED drive signal output terminal for illumination indicator (white color) “H”: LED on
48
LED_POWER (BLUE)
O
LED drive signal output terminal for illumination indicator (blue color) “H”: LED on
49
PCON3 (PVDD)
O
Power supply on/off control signal output terminal “H”: power on
50
PCON2 (M1.2v)
O
Power supply on/off control signal output terminal “H”: power on
51
PCON1
O
Power supply on/off control signal output terminal “H”: power on
52
LED_DIMMER
O
LED dimmer control signal output terminal Not used
53
PCON4 (M3.3V)
O
Power supply on/off control signal output terminal “H”: power on
54
LED_UPDATE (GRN)
O
LED drive signal output terminal for UPDATE indicator (green color) “H”: LED on
55
LED_I/O (RED)
O
LED drive signal output terminal for on/standby indicator (red color) “H”: LED on
56
LED_I/O (GRN)
O
LED drive signal output terminal for on/standby indicator (green color) “H”: LED on
57 to 59
NO USE
O
Not used
60
LED_LINK (RED)
O
LED drive signal output terminal for LINK indicator (red color) “H”: LED on
61
LED_LINK (GRN)
O
LED drive signal output terminal for LINK indicator (green color) “H”: LED on
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