Table of Contents
Advertisement
IC PIN FUNCTION DESCRIPTIONS
IC1501 (SUB MICROCONTROLLER)
Pin
IN/
Signal
No.
OUT
Name
1
IN KEY-1
Front Button Detection 1
2
IN KEY-2
Front Button Detection 2
3
IN FAN-LOCK Fan Failure Detection
4
IN AFT
Tuner AFT Power Supply
5
-
NU
Not Used
6
-
EV+3.3V
A/D Converter Power Supply
7
-
VDD
Vdd
8
OUT XOUT
Clock Output
9
IN XIN
Clock Input
10
-
GND
GND
11
IN XCIN
Sub Clock Input
12 OUT XCOUT
Sub Clock Output
13
-
GND
GND
14
IN RESET
Reset Signal
Output Terminal of Control
15 OUT REMOTE
DVD by Remote Control
Code
16 OUT DVD-PLAY DVD Block Control
17
-
NU
Not Used
18 OUT SUB-TXD
B/E Interface
19
IN SUB-RXD
B/E Interface
20
-
NU
Not Used
21
-
NU
Not Used
SYS-
22 OUT
B/E System Reset
RESET
REG-
23 OUT
Regulator Control Signal
CONT
VIDEO-
24 OUT
Video Mute Signal
MUTE
+1.5V-
25 OUT
Main Power Supply Control
CONT
26
-
NU
Not Used
27
IN REMOTE
Remote Control Sensor
28
-
NU
Not Used
29
-
NU
Not Used
30
IN P-DOWN
Power Failure Detection
USA/JPN Mode Setting,
31
IN USA/JPN
"L"=JPN/"H"=USA
32 OUT LOW-POW Power Consumption Control
IN/
33
SDA
IIC BUS Control Data
OUT
Function
1-15-1
Pin
IN/
Signal
No.
OUT
Name
34 OUT SCL
IIC BUS Control Clock
35
-
NU
Not Used
36
-
NU
Not Used
HDD-
37 OUT
AUDIO-
HDD Audio Mute
MUTE
AUDIO-
38 OUT
HDD/DVD Audio Mute
MUTE
AUDIO-
39 OUT
Audio SW Control
SW2
AUDIO-
40 OUT
Audio SW Control
SW1
VIDEO-
41 OUT
Video SW Control
SW1
VIDEO-
42 OUT
Video SW Control
SW2
VIDEO-
43 OUT
Video SW Control
SW3
44 OUT AVSEL
AV Output Mode Contorl
45
-
NU
Not Used
Monitoring DVD PWRCON
46
IN PWRCON
Signal
DVD-
47 OUT
DVD Power Control Signal
POWER
48 OUT FL-SDA
VFD Control
49 OUT FL-STB
VFD Control
50 OUT FL-SCL
VFD Control
51
-
NU
Not Used
HDD/DVD Power Supply
52 OUT PWR-SW
Control
FAN-
53 OUT
Fan Rotation Control 1
CONT1
FAN-
54 OUT
Fan Rotation Control 2
CONT2
55 OUT HDD
VFD Control
HDD-REC-LED Output
56 OUT HDD-REC
Signal Control
57 OUT TREC
VFD Control
DVD-LED Output Signal
58 OUT DVD-LED
Control
HDD-LED Output Signal
59 OUT HDD-LED
Control
POWER-
POWER-LED Output Signal
60 OUT
LED
Control
61
-
GND
GND
Function
E41A1PIN
Advertisement
Table of Contents
