Read Sony HCD-E300HD / NAS-E300HD Service Manual online
HCD-E300HD
65
LCD BOARD IC403 R5F3640DDFAR (DISPLAY CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NC
-
Not used
2
SOFT-TEST
-
Not used
3
-
-
Not used
4
VFD_POWER
O
Power supply ON/OFF control signal output terminal for the liquid crystal display
“H”: power on
“H”: power on
5
LED_DATA
-
Not used
6
LED_LAT
-
Not used
7
LED_CLK
-
Not used
8
BYTE
I
External data bus width changeover signal input terminal Fixed at “L” in this set
9
CN VSS
-
Not used
10
XCIN
I
Not used
11
XCOUT
O
Not used
12
RESET
I
Reset signal input from the reset switch “L”: reset
13
XOUT
O
System clock (5 MHz) output terminal
14
VSS
-
Ground terminal
15
XIN
I
System clock (5 MHz) input terminal
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
-
Not used
18
TOP_LED_RED
O
LED drive signal output terminal Not used
19
TOP_LED_GRN
O
LED drive signal output terminal Not used
20
TOP_LED_BLUE
O
LED drive signal output terminal Not used
21
LED_BACK-LIGHT
O
LED drive signal output terminal Not used
22
LED_RED
O
LED drive signal output terminal Not used
23
-
-
Not used
24
LED_GRN
O
LED drive signal output terminal for the LCD back light “H”: LED ON
25
-
-
Not used
26
LED_BLUE
O
LED drive signal output terminal Not used
27
BRI_UP
O
Power supply on/off control signal output terminal for the LCD back light section
28
LCD_A0
O
Address signal output to the liquid crystal display
29
IIC CLK
I/O
Two-way I2C serial clock signal bus with the system controller
30
IIC DATA
I/O
Two-way I2C serial data bus with the system controller
31
RXD
-
Not used
32
TXD
-
Not used
33
SCLK
-
Not used
34
BUSY
-
Not used
35
LCD_SI
O
Serial data output to the liquid crystal display
36
LCD_/CS1
O
Chip select signal output to the liquid crystal display
37
LCD_SCL
O
Serial data transfer clock signal output to the liquid crystal display
38
LCD_RES
O
Reset signal output to the liquid crystal display
39, 40
NC
-
Not used
41
41PIN-GND
-
Not used
42, 43
NC
-
Not used
44
XRD
O
Read enable signal output to the font ROM (Singapore and Taiwan models only)
45
NC
-
Not used
46
WR
O
Write enable signal output to the font ROM (Singapore and Taiwan models only)
47
NC
-
Not used
48, 49
CS2, CS1
O
Address signal output to the font ROM (Singapore and Taiwan models only)
50
CS
O
Chip select signal output to the font ROM (Singapore and Taiwan models only)
51
A19
O
Address signal output to the font ROM (Singapore and Taiwan models only)
52
A18
-
Not used
53 to 61
A17 to A9
O
Address signal output to the font ROM (Singapore and Taiwan models only)
62
VCC
-
Power supply terminal (+3.3V)
63
A8
O
Address signal output to the font ROM (Singapore and Taiwan models only)
64
VSS
-
Ground terminal
65 to 72
A7 to A0
O
Address signal output to the font ROM (Singapore and Taiwan models only)
Ver. 1.2
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