Aroma Neckband Circuit Details, CPU IC, Battery & Repair Guide

Aroma Neckband-এর CPU IC, Charging IC, Battery, PCB ও Circuit Repair details জানুন। NB119, NB124C, NB124D ও NB20-এর useful component guide.
Aroma Neckband Circuit Details, CPU IC, Battery & Repair Guide
Aroma Neckband Internal Circuit Details and Repair Guide Aroma neckbands use a compact PCB that combines Bluetooth processing, battery charging, audio input, button control, status LEDs, and other supporting circuits in a very small space. For technicians and electronics learners, identifying the board number, main IC, charging IC, crystal, microphone, battery, and connector details can make fault diagnosis much easier. This guide is based on the component identification provided for Aroma NB20, NB119, NB124C, and NB124D-series neckbands. Component markings can vary between production batches, so the markings on the actual PCB should always be checked before replacing any IC or battery. Aroma Neckband PCB and Main Board Details Board Number and PCB Identification The main PCB is marked LC6956A , with the full board designation reported as T1_V2.0(LC6956A)-200914 . This board acts as the central interconnection point for the neckband. The battery, charging section, microphone, push buttons, LE…