Haier HL37XLE2 Service Manual
Also see for HL37XLE2: Owner's manualOwner's manual
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Contents
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4-2-1. Function Description:Main BoardProcess signal which incept from exterior equipment then translate into signal that panel can display.4-2-2. Connector definitionMain board connectorPower connectors (CN17)CN17Pin number Signal name Pin number Signal name1 +12V 7 5V_STB2 +12V 8 BRT_CNTL_OUT3 GND 9 GND4 +12V 10 SW_POWER5 GND 11 NC6 GND 12 BL_ON/OFFNotes:CN17-Pin 12: Backlight on/off:The system can turn on or turn off the backlight of TFT LCD Panel through the power supplyunit path.CN17-Pin 10: System power on / standbySystem board will use this pin to control system power.CN17-Pin 8: Control the luminance of backlightThe system can generate the PWM signal to control the strength of TFT LCD Panel’sbacklight through this connectorPin number Signal name Description1 5VS 5V2 IR-IN IR3 LEDR LAMP RED4 LEDB LAMP BLUE5 GND GNDRemote connector (CNE1)Pin number Signal name Description1 GND GND2 KEY0 KEY03 KEY1 KEY14 3.3VS 3.3VKeypad connector (CNE2)CN17Pin number Signal name Pin number Signal name1 +12V 7 5V_STB2 +12V 8 BRT_CNTL_OUT3 GND 9 GND4 +12V 10 SW_POWER5 GND 11 NC6 GND 12 BL_ON/OFFService ManualModel No.: HL37XLE214 |
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