Haier LE26B13200b Service Manual

- 09 -3-2-1 Function Description:Main BoardProcess signal which incept from exterior equipment then translate into signal that panelcan display.3-2-2 Connector defnitionMain board connectorPower connectors (J15ˈJ154 +5V5 POWER ON/OFF6 +5VSTB7 +5V8 +5V9 GND10 GND11 GND12 +12V13 +12VNotes:J16-Pin 2: Backlight on/off:The system c an t urn o n or turn o ff t he backlight of TFT L CD P anel t hrough t he powersupply unit path.System board will use this pin to control system power.J16-Pin 3: Control the luminance of backlightThe system can generate the P WM s ignal to control the strength of T FT LCD Panel’sbacklight through this connector21 GNDPin number Signal nameBL-ADJUST 3BL-ON/OFFJ16J16GND+5V1Pin number Signal name2345+5V+5VGND

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