Sound Control IC For Samsung I9300 Galaxy S III

The Sound Control IC in your Samsung I9300 Galaxy S Iii manages the control-plane of the audio system — handling volume adjustment logic, audio output routing between earpiece, loudspeaker, and headphone jack, sound profile switching, and audio mode management. While the Audio IC handles the actual audio signal processing, the Sound Control IC manages the decision-making layer — determining where audio goes and at what volume on your Samsung I9300 Galaxy S Iii. When it fails, audio routing and volume control become erratic or unresponsive.

The Audio IC processes the audio signal itself — handling encoding, decoding, and analog-digital conversion. The Sound Control IC manages the routing and control logic — deciding which output the audio goes to and responding to volume button presses. On some Samsung I9300 Galaxy S Iii devices these functions are combined into a single chip while on others they are separate. If audio plays but routing and volume control are erratic, the Sound Control IC is the more likely fault.

Symptoms include volume buttons having no effect or behaving erratically, audio unexpectedly switching between speaker and earpiece without user input, audio continuing to play through the loudspeaker when headphones are connected, sound profile changes not taking effect, and do-not-disturb or silent mode having no effect on audio output on your Samsung I9300 Galaxy S Iii.

No. This is a micro-SMD chip soldered onto the Samsung I9300 Galaxy S Iii motherboard requiring hot air rework equipment, flux, and board-level repair skills. Professional repair is mandatory.

Yes — a 7-day replacement warranty against manufacturing defects is included. An unboxing video is mandatory for all warranty claims. Once the chip has been soldered it is considered used and cannot be returned. For more information, check out SAHII's Return Policy.