Explore the OnePlus Bullets Neckband BTE 323 with circuit diagrams. Learn about BLE872 IC, BFS2300 IC, and 1112DAE battery specifications.
Model Name: OnePlus Bullets
Model Number: BTE 323
Board Number: BTE326 Or BTE-326
Board Version: 3.2
Connectivity Technology: Wireless
Frequency Respons: 20 KHz
OnePlus BTE 323 Bullets Wireless Neckband Circuit Explain
Charging System and Components
Charging Connector: USB Type-C
Connector Type: USB Type-C (same as Redmi MI A2 Mobile Connector).
Charging Voltage: 5V.
Charging Current: 2A.
Charging Time Load Ampere : 0.2A (0.20mA) - 0.4A (0.40mA)
Charging Time: 10 - 30 Minutes
The charging framework of the OnePlus Bullets Wireless BTE 323 is designed for quick and effective charging. Here are the key components:
Working Function: The USB Type-C connector is the harbour through which the control enters the Nefor charging. This all-inclusive connector sort is broadly utilized due to its reversible plug, making it less demanding to interface and giving quicker charging capabilities. When the gadget is stopped, control streams from the charging connector to the charging IC and other inner components.
Charging IC: D4 (Diode)
Type: D4, which acts as a diode.
Working Function: The D4 diode serves a significant part in guaranteeing current streams in one course as it were, avoiding inverted currents that seem to harm the battery or other components. The diode permits the control to enter the charging circuit and battery but avoids release through the charging harbour when not connected to a power source.
Battery Section
Battery Model: BLE872
Battery Type: Lithium Polymer
Install Number of batteries: 1
Battery Code Number: 1ICP4/10/40
Battery Capacity: 150mAh
Battery Rate Capacity: 0.496Wh
Battery Normal Charge: 3.85 Volt
Battery Full Charge: 4.4 Volt
Battery Life: 30 Hours
Battery IC Number: 1112DAE
Charging Process
When stopped in, the power flows through the USB Type-C connector to the Battery IC (Battery IC Number: 1112DAE), which controls how the battery is charged. The Battery IC oversees the charging speed and guarantees that the battery is charged securely. It controls the charging current between 0.2A and 0.4A, adjusting powerfully to ensure fast but secure charging inside the time outline of 10-30 minutes.
The Battery IC screens the voltage levels to guarantee that the full charge voltage of 4.4V is not surpassed. It moreover avoids cheating, which can harm the battery or diminish its life expectancy. The Battery IC makes a difference oversee the ordinary working voltage of 3.85V for the lithium-polymer battery. This guarantees that the battery conveys ideal execution and draws out its life, giving a persistent 30 hours of use.
The NTC (Negative Temperature Coefficient) association, spoken to by the yellow wire, makes a difference screen the battery temperature. If the battery overheats amid charging, this wire communicates with the charging IC to decrease or cut off the charging current to prevent damage.
Battery Connection Wire Colors
Red = Positive terminal of the battery Connection.
Black = Negative terminal of the battery Connection.
Yellow = NTC (
Click) temperature sensor connection.
Bluetooth Connectivity
Bluetooth Version: 5
Bluetooth Range: 10 Metres
Audio Board Size: 12.4 Millimetres
Working Function: Bluetooth 5 provides a steady and amplified extend for remote sound transmission. It underpins higher information rates and makes strides in vitality effectiveness, which makes a difference amplify the battery life of the accessory. The Bluetooth chipset is coordinated into the soundboard, permitting the gadget to communicate wirelessly with smartphones, tablets, and other Bluetooth-enabled gadgets inside an extent of 10 meters.
Power IC Control Management
Power Ic Code Number: 11013908
Manufacture Code: F09446IH
Function: The
BFS2300 Power IC manages the control dissemination all through the gadget. It directs control coming from the battery and guarantees that each component gets the suitable sum of vitality to work ideally. This IC is pivotal for overseeing both dynamic operation and standby control states to amplify battery life.
Crystal Oscillator Section
Crystal Frequency: 26.00MHz
Working Function: This crystal oscillator provides a steady recurrence reference for the Bluetooth and sound circuits, guaranteeing the timing of computerized signals is exact. This recurrence is essential for the steady operation of remote communication and guarantees smooth, continuous sound playback.
Controls and Switches
Mini Switch : 3 pis
Switch Name: On/Off-Volume + And Volume -
Switch Type: Mini Switch
Switch Number: 2x3x0.6
Charging IC: D4 (one type Od Diode)
Switch Capacities: On/Off, Volume Increment, Volume Decrease.
Function: These smaller-than-expected switches are physically little push-button switches that control the fundamental capacities of the gadget. The On/Off switch powers the neckband on or off, whereas the Volume + and - switches alter the sound volume. Each switch is associated with the control and sound ICs, sending control signals when squeezed.
Microphone
Microphone Type: SH 007/ SH 009 (4.8*3.8*1.25)
Microphone Pin: 4-pin SMD mic
Working Function: This microphone captures sound for voice calls or voice assistant commands. The 4-pin design allows for clear flag transmission with two pins for the flag and two for the ground. It is coordinated onto the neckband circuit board and is optimized to choose up the user’s voice while minimizing encompassing noise.
Audio System and Components
The sound framework in the OnePlus BTE 323 neckband is capable of changing electrical signals into sound, giving high-quality sound yield for the client. It includes different components.
Audio Board Size: 12.4 mm.
Function: The soundboard is where all sound handling happens. This board is moderately small (12.4mm), but it holds the key components capable of creating clear sound, counting the Bluetooth chipset, speakers, and channels. The measure and plan of the board are basic in conveying high-quality sound in a compact frame factor.
FAQs
How to repair the OnePlus BTE 323 Bullets Wireless Neckband circuit?
To repair the circuit, first identify the faulty component using a multimeter. Check the battery, charging IC, and connections for any damage. Replace any faulty parts, ensuring correct soldering and connections, then test the device to verify functionality.
Why is the OnePlus BTE 323 Bullets Wireless Neckband circuit not working?
The circuit may not be working due to several reasons: a dead battery, faulty charging IC, broken connections, or a malfunctioning Bluetooth chipset. Troubleshoot by testing each component with a multimeter.
What is the OnePlus BTE 323 Bullets Wireless Neckband circuit manual?
The circuit manual typically includes the circuit diagram, component specifications, and troubleshooting steps. Unfortunately, official manuals may not always be available; however, you can refer to online forums or repair guides for assistance.
How to repair a dead OnePlus Bullets Wireless Z?
To repair a dead unit, check the battery voltage and replace it if it's below the required voltage. Inspect the charging port and charging IC for faults. Replace damaged components and reassemble the device.
How to open the OnePlus Bullets Wireless Z2 or Z?
To open the neckband, carefully use a plastic prying tool or a flat screwdriver to separate the casing at the seams. Take care not to damage the internal components. Work slowly to avoid cracking the plastic casing.
What is the OnePlus neckband repair cost?
Repair costs can vary based on the damage extent and the parts needing replacement. Typically, it can be low-cost if only minor components need fixing, while more extensive repairs may be higher.
How to open the OnePlus Bullets Wireless Z?
Similar to the Z2, gently use a prying tool to separate the casing, being careful around the seams. Avoid using excessive force to prevent damaging internal parts.
What is the battery model number of the OnePlus Z/323?
The battery model number for the OnePlus Z/323 is BLE872, a Lithium Polymer battery with a capacity of 150mAh.
What is the main CPU number in the OnePlus Z2/Z neckband?
The main CPU number for the OnePlus Z2/Z neckband is typically referenced as the power IC. For the BTE 323 model, it is BFS2300.
What should I do if the charging indicator does not light up when charging?
If the charging indicator does not light up, check the USB Type-C connector for debris or damage. Test the charging cable and power source. If those are functioning, the issue may be with the charging IC or battery, which may need replacement.
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