Read Sony CPF-IX001 / NAS-IX001P Service Manual online
31
NAS-IX001P
PANEL BOARD IC1518
µ
PD78F0525GB (S)-401-UET-A (DISPLAY CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
ETHER_POWR
O
Ethernet power on/off control signal output to the ethernet/audio controller "H": power on
2
ETHER_PDOWN
O
Ethernet power down signal output to the ethernet/audio controller "L": power down
3
ETHER_RST
O
Ethernet reset signal output to the ethernet/audio controller, ethernet interface and flash ROM
"L": reset
"L": reset
4
SELF_PROG
O
Not used
5
RESET
I
System reset signal input terminal "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"
6, 7
NC
O
Not used
8
FLMD
I
Not used
9
X2
O
System clock output terminal (10 MHz)
10
X1
I
System clock input terminal (10 MHz)
11
REGC
-
External capacitor connection terminal
12
VSS
-
Ground terminal
13
VDD
-
Power supply terminal (+3.3V)
14
I2C_CLK
I/O
Two-way I2C clock bus with the ethernet/audio controller
15
I2C_DATA
I/O
Two-way I2C data bus with the ethernet/audio controller
16
NC
O
Not used
17
SIRCS
I
Remote control signal input from the remote control receiver
18
LCD_BL
O
Liquid crystal display back light LED control signal output to the LED driver "H": LED on
19 to 28
NC
O
Not used
29
PDWON_DET
I
Power down detection signal input terminal "L": power down
30, 31
NC
O
Not used
32
NETWORK_ILLMI
O
Network illumination LED drive signal output terminal "H": LED on
33
LCD_RS
O
Read strobe signal output to the liquid crystal display
34
LCD_CS
O
Chip select signal output to the liquid crystal display "L" active
35
LCD_DATA
O
Serial data output to the liquid crystal display
36
SI10
O
Not used
37
LCD_CLK
O
Serial data transfer clock signal output to the liquid crystal display
38
AVREF
I
Reference voltage (+3.3V) input terminal
39
AVSS
-
Ground terminal
40
DEST
I
Setting terminal for the destination
41
KEY2
I
Test mode key input terminal
42
KEY1
I
RESET key input terminal
43 to 50
NC
O
Not used
51
BACKLIGHT_ON
O
Liquid crystal display back light LED ON/OFF control signal output to the LED driver
"H": LED on
"H": LED on
52
CHK_LAND1
O
Check terminal for the soft
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