9896B Audio iC

When a Samsung phone loses sound completely — no speaker, no mic, no earpiece, no headphone output all at once — the fault almost never sits in software. That symptom pattern is the classic fingerprint of a dead audio codec IC, and on the Galaxy A5, A5000, J330, S9, S9+, and Note 9, that codec is the 9896B.You'll see this failure walk into your workshop in a few common ways. A customer says their phone went quiet after an update or a drop, factory resets did nothing, and the service center quoted a full motherboard swap. On the Note 9 in particular, this exact failure pattern has been documented by technicians tracing complete audio loss — both speakers, both mics, and the headphone jack going out together — back to the 9896B sitting next to the MAX98512 audio amp. If your diagnostic points at the audio path and rules out a loose connector or damaged flex, the 9896B is where you go next.Diagnosing before you commit to a reflow saves you a wasted IC. Check the board for cracked solder joints or shift damage around the codec footprint first — sometimes a clean reflow with your hot air station fixes a dead audio issue without a full IC change. When the chip itself is faulty, whether from a liquid damage event, an ESD spike, or straight component failure, a fresh 9896B and a proper reball fix it for good.This is a BGA component, so it demands the same care any fine-pitch reflow job needs. Clean the pads thoroughly after removing the old chip, keep your hot air station at a controlled temperature to avoid lifting neighboring components, and use flux generously during reballing to get even solder distribution across the ball grid. Rushing this step is the single biggest reason technicians see a "fixed" phone come back with the same complaint a week later — a cold joint on one corner of the IC is enough to bring back intermittent audio.Keep in mind this chip is specifically tied to the Samsung boards listed above — it isn't a universal audio IC you can drop into any device, so confirm the board revision before you order. Stock a few of these alongside your MAX98512 units if you handle a steady flow of Samsung audio complaints; the two chips get blamed for the same symptom often enough that having both on the bench saves you a return trip to the customer.For a shop running steady Samsung repair volume, this is a low-cost, high-turnover part worth keeping on the shelf rather than ordering one at a time. Pair it with a reliable hot air rework station and a decent microscope for BGA alignment, and audio-dead complaints on these models become a same-day fix instead of a motherboard replacement quote.