Manual of LM270QQ1 LCD Controller Board

This manual is for QAREQU LM270QQ LCD Controller.

 

Note:

  • Depending on graphics card, a single DP connection can support up to 5K resolution (like M2 MacBook Pro). Some graphics cards require 2 DP cables to reach 5K resolution. This board comes with 1 DP port only (DP 1.4)
  • For MacBook Pro 13" M1, original data cable is not for 5K, please use latest Thunderbolt 3 or USB-C cable
  • Never put metal material under the board
  • Chipset is hot after power on, it is normal
  • Different iMac LCD panel uses different driver, the LCD controller board is not cross-compatible

 

Compatibility:

  • LM270QQ1-SDA2
  • LM270QQ1-SDA3
  • LM270QQ1-SDB1
  • LM270QQ1-SDC1
  • LM270QQ1-SDD1
  • LM270QQ1-SDE1
  • LM270QQ1-SDF1

 

Port Connection:

 

Cable Connection:

  • Backlight cable and LVDS cable direction cannot be reversed, otherwise there will be no backlight and no video

 

Specifications:

  • DP 1.4 resolution: 5K 60Hz (8-bit color) and 4K 144Hz
  • Type C resolution: 5K 60Hz (8-bit color)
  • HDMI 2.0 resolution: 4K 60Hz
  • USB port: For mouse and keyboard only
  • Audio: 3.5mm output, 4pin speaker connector
  • DC input: 12V 8A
  • Board size: 160 x 88mm (6.3 x 3.5 inch) 
ブログに戻る

コメントを残す