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Pin
IN/
Signal
No.
OUT
Name
32 OUT LOW-POW Power Consumption Control
IN/
33
SUB-SDA
IIC BUS Control Data
OUT
34 OUT SUB-SCL
IIC BUS Control Clock
35
-
NU
Not Used
36
-
NU
Not Used
37
-
NU
Not Used
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
-
NU
Not Used
45
-
NU
Not Used
OUTPUT-
46 OUT
Output Select
SELECT
47
-
NU
Not Used
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
CONT1
54
-
NU
Not Used
DVD-REC-
DVD-REC-LED Output
55 OUT
LED
Signal Control
HDD-REC-
HDD-REC-LED Output
56 OUT
LED
Signal Control
VCR-LED Output Signal
57 OUT VCR-LED
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
IC4571 (FRONT PANEL CONTROL)
1-17-3
Pin
IN/
Signal
No.
OUT
Name
Power Supply Failure
62
IN SAFETY1
Detection 1
Power Supply Failure
63
IN SAFETY2
Detection 2
Power Supply Failure
64
IN SAFETY3
Detection 3
Pin
IN/
Signal
No.
OUT
Name
1
IN CLK
Clock Input
2
IN STB
Serial Interface Strobe
3
-
NU
Not Used
4
-
NU
Not Used
5
-
VSS
GND
6
-
VDD
Power Supply
7
OUT a
8
OUT b
9
OUT c
10 OUT d
Segment Output
11 OUT e
12
IN f
13
IN g
14 OUT h
15
-
VEE
Pull Down Level
16 OUT i
Segment Output
17
7G
18
6G
19
5G
20
OUT
4G
Grid Output
21
3G
22
2G
23
1G
24
-
VDD
Power Supply
25
-
VSS
GND
26
IN OSC
Oscillator Input
27
-
NU
Not Used
28
IN DIN
Serial Data Input
Function
Function
E4340PIN
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