Discover detailed insights on Boat Rockerz 255 PRO PLUS AB1561M, including circuit details, repair methods, and battery specifications etc. Get expert guidance here.
Model Name: BoAt Rockerz 255 Pro Plus
Motherboard Number: 255PRO_PLUS_AB1561M
Motherboard Version: 4
Install Total IC: 2 IC
Install Total Switch: 3
Internal Circuit Install Parts/Component:-
1. Power IC/CPU
2. Charging IC
3. Microphone
4. Crystal IC
5. Type-C Charging Connector
6. Mini Push Switch
7. Indicator LED
8. Battery
Boat Rockerz 255 Pro Plus Bluetooth Neckband Circuit: Component Overview and Working
This Boat Rockerz 255 Pro Plus Bluetooth Neckband comprises a few basic components that work together to guarantee productive execution, battery administration, sound handling, Bluetooth network, and control. Each of these components is fundamental for the device's functionality, counting control administration, charging, flag processing, and user interface.
Let's break down the internal circuit components and how they work step by step.
↳ IC Name: AIROHA
↳ IC Number: AB1561M
↳ IC Serial Number: ETTHGU81
↳ Manufacture Code: 2309TDDAG
↳ Total Connected Pin: 40 Pins
Connected Pins: (Exact number not provided; likely over 40 pins due to the complexity)
Purpose: The AB1561M is the core Bluetooth System-on-Chip (SoC) utilized in the Boat Rockerz 255 Pro Plus. It handles different basic assignments like Bluetooth communication, sound flag handling, and power management.
AB1561M IC Pin Connection
Power Pin: Connects to the battery and charging circuit, overseeing power distribution.
Bluetooth Network Pins: Manages the wireless communication for pairing and connecting with Bluetooth devices.
Audio Preparing Pins: Sends signals to the speaker drivers after preparing sound data.
Control Pins: Interfaces with other components like switches and LEDs to oversee client input and give feedback.
AB1561M Processor Working
The AIROHA AB1561M is the brain of the neckband. It controls the device’s Bluetooth capacities, counting matching and signal transmission, and preparing sound signals. This IC is interfacing with the microphone, speakers, and control buttons to oversee input and yield. It too guarantees that power is legitimately managed to dodge abuse of battery assets, moving forward vitality efficiency.
Charging IC (Universal 3105)
↳ IC Name: Universal
↳ IC Number: 3105
↳ IC Serial Number: AN30
↳ Total Connected Pin: 8 Pin
Purpose: The charging IC is responsible for managing the charging of the Li-Polymer battery.
3108 IC Pin Diagram & Connection
Power Input Pins (V_in): Interfaces to the Type-C charging connector, receiving 5V from an outside charger.
Power Output Pins (V_out): Connect to the battery, controlling the voltage and current to guarantee appropriate charging.
Ground Pins: ensures steady voltage reference and anticipates electrical faults.
Control Pins: This may interface with the CPU to report charging status (e.g., charging complete or still charging).
Charging IC 3108 Working
The 3105 Charging IC oversees the charging of the 3.7V Li-Polymer battery. It controls the 5V input from the USB Type-C connector, guaranteeing that the battery is charged securely without surpassing the 4.4V maximum. The charging IC monitors current flow, guaranteeing that the battery is not cheated or undercharged, which can harm its life expectancy. It also communicates with the control IC to indicate when the battery is fully charged or when it needs to start charging.
Microphone (Digital SMD Mic SH 027)
↳ Mic Number: SH 027
↳ Mic Total Pin: 4 Pin
↳ Mic Type: Digital SMD (Surface Mount Device) Microphone
↳ Pin Connection: 2 Pin Signal - Gnd 2 Pin
Purpose: Captures audio signals, ordinarily for voice commands or calls.
SH 027 Mic Pin Diagram & Connection
Signal Pins: These pins connect to the AB1561M Power IC, sending sound data specifically for processing.
Ground Pins: Two of the four pins are connected to the ground for steady sound flag transmission and commotion reduction.
SH 027 Digital SMD Mic Working
The digital microphone picks up voice input and changes it into electrical signals. These signals are prepared by the AB1561M CPU for transmission over Bluetooth amid calls or voice commands. The microphone's small estimate makes it perfect for a compact device like the Boat Rockerz 255 Pro Plus.
Crystal Oscillator IC (26.00 MHz)
↳ Frequency: 26.00 Mhz
↳ Total Pin: 4 Pin
Purpose: Provides a steady clock signal for timing and synchronization inside the device.
Crystal IC Pin Diagram & Connection
Power Pin: Connects to the power IC to get a steady voltage.
Output Pin: Sends the wavering flag to the AB1561M IC to manage timing operations.
Ground Pins: Guarantees a steady reference for the oscillator's frequency output.
Crystal IC Working
The crystal oscillator gives an unfaltering 26 MHz signal, which is used to synchronize operations within the AB1561M IC. This exact timing is fundamental for steady Bluetooth communication and proper sound preparation, guaranteeing that signals are sent and received without delay.
Type-C Charging Connector (USB 3.1 Gen)
↳ Connector Type: USB 3.1 Gen
↳ Total Pin: 16 Pin
Purpose: Provides the interface for charging and data transmission.
Type C Connector Pin Diagram & Connection
Power Pins (Vbus): Connects to the charging circuit to provide 5V input for battery charging.
Data Pins (D+ and D-): Utilized for potential data communication, though in this gadget, they are likely not utilized for data transfer.
Ground Pins: Provide a steady reference for charging and avoid electrical shorts.
Other Pins: Guarantee steady connection and location of the charging cable.
Boat Rockerz 255 Pro Plus Charging Working
When you connect the Type-C charger, this connector receives 5V and sends it to the charging IC. It ensures proper introduction and communication between the device and the charger, guaranteeing quick and effective charging.
Mini Push Switch (SMD Type, 2x3x0.6)
↳ Switch Type: SMD
↳ Switch Size: 2x3x0.6
↳ Total Pin: 2
Purpose: User input for controlling the neckband (e.g., play/pause, power on/off).
Switch Pin Diagram & Connection
Input Pin: Associated with the AB1561M Power IC to send signals for specific activities (like controlling or playing music).
Ground Pin: Provides a reference ground for the signal.
Boat Rockerz 255 Pro Plus Switch Working
The mini push switches permit the user to associate with the neckband. When squeezed, they send a low-voltage flag to the AB1561M Power IC, which translates the input and executes the comparing work. For example, squeezing the control button will start the power-on grouping, whereas another button might trigger the play/pause functionality.
Indicator LEDs (Red, Blue)
↳ Total LED Indicator: 2 (Red, Blue)
↳ Indicator LEd Type: SMD (surface mount device) LED
↳ LED Size: 35MM
↳ LED Code: o805
LED Pin Diagram & Connection
Positive Pin (Anode): Connects to the control line, giving voltage to light up the LED.
Negative Pin (Cathode): Interfaces to the ground, completing the circuit.
Boat Rockerz 255 Pro Plus LED Working Function
These indicator LEDs serve as visual feedback for the user. For instance:
Blue LED blinks when the gadget is fueled and connected to a Bluetooth device.
The red LED turns on during charging and turns off or switches to blue when fully charged. These LEDs are controlled by the AB1561M IC, which triggers them based on specific actions or states of the device.
Battery (XD 481036)
↳ Battery Type: Rechargeable Li-Polymer
↳ Battery Model: XD 481036
↳ Battery Code: 1/CP5/11/38
↳ Battery Minimum Charge Volt: 3.7V
↳ Battery Maximum Charge Volt: 4.4Volt
↳ Battery Minimum Charge Ampere: 150mAh
↳ Battery Minimum Charge Ampere: 200 mAh
Battery Pin Diagram & Connection
Positive Pin: Connects to the Control IC and Charging IC to supply power to the whole device.
Negative Pin: Interfaces to the ground to complete the circuit.
Boat Neckband Battery Working Function
The rechargeable Li-Polymer battery provides power to the whole device. When the battery voltage drops below 3.7V, it needs to be revived. The charging IC monitors the voltage and ensures safe charging up to 4.4V. The battery’s capacity decides how long the gadget can work before requiring an energizer, typically offering a few hours of ceaseless use.
Battery More Information:
Like the XD 481036 model, a rechargeable Li-Polymer battery is used in many electronic devices. This battery is known for being light and weighty, high energy density, and flexible, making it ideal for portable gadgets like smartphones, tablets, and wearable devices.
The XD 481036 battery has a specific code: 1/CP5/11/38 This code helps identify the battery's specifications and ensures compatibility with devices designed to power it.
Voltage Specifications:
The minimum charge voltage for this battery is 3.7 volts. This means that when the battery is at its lowest safe charge, it holds an electrical potential of 3.7 volts.
The maximum charge voltage is 4.4 volts. This is the maximum voltage of the battery while charging. Charging the battery beyond this voltage can cause damage and pose a safety hazard.
★ Charging Details
↳ Charging Input Voltage: 5 Volt
↳ Charging Input Ampere: 2 Ampere
↳ Charging Time Load Voltage: 4.7 Volt
↳ Charging Time Load Ampere: 0.05 - 0.60 Ampere
***Extra Informetion BoAt Rockerz 255 Pro Plus***
↳ Power On Glow LED: Blue And Blue/Red Blinking
↳ Charging Time Glow LED: Red
How the components work together
Power and Control:
The AB1561M IC is the central processor that controls the neckband's functions. It processes sound signals from the microphone, handles Bluetooth pairing, and manages control from the battery.
The charging IC guarantees that the battery is charged safely without overburdening or undercharging, whereas the Type-C connector gives the interface for charging.
User Interaction:
The smaller-than-expected thrust switches allow the client to control the device, while the indicator LEDs give visual feedback for actions like powering on, Bluetooth pairing, or charging status.
Audio Input and Processing:
The microphone captures audio for calls or commands, while the AB1561M IC processes and transmits this data over Bluetooth.
Power Management:
The battery provides the necessary power, and the charging circuit ensures it is revived effectively when depleted.
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