折腾:
期间,继续去研究:

T9895
HNU459
5D7021
是什么芯片。
T9895
T9895 ringing IC CHIP for HTC M8 M7 ONE VIVO X3T | eBay

Audio Ic For Samsung T9895 – Buy Audio Ic,Audio Ic,Audio Ic For Samsung Product on Alibaba.com
Quick Details
D/C: T9895
Package: bga
Model Number: T9895
Type: Audio IC for Samsung
Brand Name: Audio IC
Place of Origin: Guangdong, China (Mainland)
Model: Audio IC for Samsung T9895
MOQ: 50pcs for each model


Item specifics
- Brand Name: mantong 
- Operating Temperature: 0-100 
- Supply Voltage: 1.5-5v 
- Application: Mobile Phone 
- Dissipation Power: 0.5w 
- Condition: New 
- is_customized: Yes 
- Type: Logic ICs 
- Model Number: T9895 
t9895 samsung
Samsung Parts | Samsung Phone Parts | Audio Amplifier IC for Samsung Galaxy A3 / A5 / A7 (T9895)
PRODUCT DESCRIPTION
- Great Quality Audio Amplifier IC for Samsung Galaxy A3 / A5 / A7 (T9895). 
- Audio Amplifier IC is used to manage Audio Signals strength or amplitude of audio signals, to make the sound clear. 
- This is the best Replacement part of damage and non-working Audio Amplifier IC for Samsung Galaxy A3 / A5 / A7. 
- Port Marking: T9895. 
- Need to Professional Installation. 

Item specifics
- Compatible Brand: Samsung 
- Model Number: T9895 
- Brand Name: jestar 
1 pcs New ringing IC T9895 T9895B for HTC M8 M7 ONE VIVO X3T | eBay
5 pcs New ringing IC T9895 T9895B for HTC M8 M7 ONE VIVO X3T | eBay
【华为 P6 P6S 铃声放大管 T9887 步步高X3音乐IC 振铃和弦IC T9895】价格_厂家 – 中国供应商

-》
- HTC M8 M7 ONE 
- VIVO X3T 
- 华为 P6 P6S 
- 步步高 X3 
的音频功放(=铃声放大管)估计也是用的:T9895或T9895B
T9895 JW391 T9890 D9MNJ JW760 Z9VKG K-tmall.com天猫
->
https://img.alicdn.com/bao/uploaded/i2/248112607/TB2oTaQazZnyKJjSZFxXXabIpXa_!!248112607.jpg

- 9895B充电IC 
- T9895和弦IC 
- T9887音频IC 
- T9897B音频IC 
- TFA9890音频IC 
- TFA9890A音频IC 
- T9897音频IC 
- TFA9891和弦IC 
- WTR2965中频IC 
- T9895B 
- T9891 
Speaker IC causing phone to not do anything? : mobilerepair
->Huawei P8 lite
的Speaker IC也是T9895
【总结】
T9895的一些截图:




T9895资料总结:
- what:Samsung Audio Amplifier IC 三星的一款音频功放芯片 
- 封装:GBA 
- 应用举例: 
- Samsung Galaxy A3 / A5 / A7 
- HTC M8 M7 ONE 
- VIVO X3T 
- 华为 P6 P6S 
- 步步高 X3 
- 类似于还有一款:T9895B 
- 其他周边相关的一些IC芯片: 
- 9895B充电IC 
- T9895和弦IC 
- T9887音频IC 
- T9897B音频IC 
- TFA9890音频IC 
- TFA9890A音频IC 
- T9897音频IC 
- TFA9891和弦IC 
- WTR2965中频IC 
【后记】
后来发现搞错了,此处的T9895是:
转载请注明:在路上 » 【整理】音频功放芯片:三星 T9895 音频功放芯片