The CX11771-31ZP1 is a specialized High-Definition Audio Codec / Controller manufactured by Conexant Systems (Synaptics). This IC is a critical component for the sound architecture of several Lenovo ThinkPad series laptops. It is designed to provide low-power, high-quality audio processing, making it the go-to replacement chip for technicians fixing sound-related motherboard failures in professional-grade laptops.
This IC is most commonly found in the following Lenovo ThinkPad models:
- E-Series: E450, E450C, E455, E460, E465
- X-Series: X380 Yoga
- And other modern notebooks utilizing the Conexant SmartAudio platform.