ALC5665 Audio Codec IC (ORG)

Technical Specifications: Original Service Part (ORG) manufactured by Realtek.

• Model Number: ALC5665.

• Type: Audio Codec (Digital-to-Analog Converter).

• Package: BGA.

• Function: Processes all digital and analog audio signals, controlling microphones, speakers, and headset detection.

Common Fixes:

1. No Sound: Device has no sound output from the loudspeaker or earpiece.

2. Microphone Failure: Microphone does not record sound or is very faint.

3. Distortion: Speaker output is static or distorted.

4. Power Consumption: A shorted codec can cause excessive battery drain or prevent the phone from booting.

Compatibility: Commonly found in high-end devices:

• Huawei: P30 Pro, Mate 20 Pro, P40 Series.

• Xiaomi: Mi 9, Mi 10 (depending on region/variant).

• Other Flagships: Various models using supporting chipsets.