LCD Controller Board (LM270WQ1-SDF1/ SDF2/ SDFV) Manual

This manual is for QAREQU LM270WQ1-SDF1/ SDF2/ SDFV LCD Controller Board.

Note:

• Never put metal material under the boards
• Chipset is hot after power on, it is normal
• Different iMac LCD panel uses different driver and cables, the LCD controller board is not cross-compatible

Compatibility:

• LM270WQ1-SDF1
• LM270WQ1-SDF2
• LM270WQ1-SDFV

Port Connection:

eDP Connection:

• Golden pin should be fully inserted on LCD side, otherwise there will be only backlit and no video

Backlight Connection:

• Backlight cable usually red wire on the right, if no light please switch the direction (red wire on the left)
  

Specifications:

• HDMI resolution: 2560 x 1440
• VGA resolution: 1920 x 1080
• Audio: 3.5mm input, 4-pin output
• DC input: 12V 6A
• DC barrel: 5.5 x 2.1mm, center positive 
• Board size: 112 x 53mm