Haier LE48U5000TF Service Manual page 10

Service Manual
Model No.:
3-2-1 Function Description:
Main Board
Process signal which incept from exterior equipment then translate into signal that panel
can display.
3-2-2 Connector definition
Main boa rd connector
Power connectors ( J16)
Ｐ ｉ ｎ ｎ ｕ ｍ ｂ ｅ ｒ
１
２
３
４
５
６
７
８
9
１ ０
１ １
１ ２
１ ３
Notes:
J16-Pin 3: Backlight on/off:
The system can turn on or turn off the backlight of TFT LCD Panel through the power
supply unit path.
J16-Pin 5: System power on / standby
System board will use this pin to control system power.
J16-Pin 2: Control the luminance of backlight
The system can generate the PWM signal to control the strength of TFT LCD Panel's
backlight through this connector
Ｓ ｉ ｇ ｎ ａ ｌ ｎ ａ ｍ ｅ
Ｇ Ｎ Ｄ
Ｂ Ｌ － Ａ Ｄ Ｊ Ｕ Ｓ Ｔ
Ｂ Ｌ － Ｏ Ｎ ／ Ｏ Ｆ Ｆ
Ｇ Ｎ Ｄ
Ｐ Ｗ Ｒ － Ｏ Ｎ ／ Ｏ Ｆ Ｆ
＋ ５ Ｖ ＿ Ｓ ｔ ａ ｎ ｄ ｂ ｙ
＋ ５ Ｖ ＿ Ｎ ｏ ｒ ｍ ａ ｌ
+5V_Normal
Ｇ Ｎ Ｄ
Ｇ Ｎ Ｄ
Ｇ Ｎ Ｄ
＋ １ ２ Ｖ ＿ Ｎ ｏ ｒ ｍ ａ ｌ
＋ １ ２ Ｖ ＿ Ｎ ｏ ｒ ｍ ａ ｌ
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