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LCD TV controller board specification for LT709E-Analog
CN2(9PIN/2.0): KEY BOARD CONNECTOR
SYMBOL
NO
1
K0
2
K1
3
K2
4
K3
5
K4
6
K5
7
K6
K7
8
9
GND
CN4(5PIN/2.0): IR RECEIVER AND LED INDICATOR CONNECTOR
SYMBOL
NO.
1
2
RED
3
GRN
4
GND
5
CN19(4PIN/2.0): YPBPR AUDIO INPUT CONNECTORS
SYMBOL
NO.
1
GND
2
3
CN21(4PIN/2.54): SPEAKER CONNECTOR
SYMBOL
NO.
1
GND
2
3
GND
4
5V
IR
LI
RI
LO
RO
DESCRIPTION
Menu
Down/CH-
Up/CH+
Input
Left/V-
Right/V+
Power
Exit
Ground
DESCRIPTION
+5V DC Power supply
Red indicator
Green indicator
IR receiver
Ground
DESCRIPTION
Left audio input
Ground
Right audio input
DESCRIPTION
Left audio output
Ground
Ground
Right audio output
7
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