The Sony PlayStation PULSE 3D wireless headset is completely different from Sony’s head-mounted headset in appearance. The overall design style is very integrated with the PS5, and it also uses black and white colors. The headphone beam has a unique curve, and the inner side is equipped with a suspension elastic cushion to improve wearing comfort. The headset supports two ways of using a wireless adapter and a 3.5mm audio cable, and supports 12 hours of battery life.
The PS5 host has made targeted optimizations for Sony PULSE 3D wireless headset, so that it can present the 3D sound effects achieved by the PS5 host, and provide players with an immersive game audio experience. Sony PULSE 3D is also equipped with dual noise reduction microphones to ensure clear communication with teammates during the game. Convenient control functions support microphone mute, volume, sound effect adjustment, and test whether your voice is transmitted to teammates’ microphone monitoring, etc.
52audio also teardown the Sony WH-1000XM4, Sony WH-1000XM3, Sony WF-1000XM4, Sony WF-XB700, Sony WF-H800, Sony WF-SP900 and Sony XPERIA Ear Duo open-type true wireless headphones, etc. Let’s take a look at the detailed dismantling report of this product.
|1. Wireless adapter teardown
After reading the appearance, we learned in detail about the appearance design of this product, and also learned the general location of the internal structure. Next, we will enter the dismantling part.
Remove the bottom cover of the adapter.
The bottom cover adopts a snap-in structure and a black translucent design, which also serves as a light guide for the work indicator.
The internal structure of the cavity, the motherboard card slot is fixed, and it can be easily taken out.
Pull out the internal main board, reset hole and corresponding reset micro switch.
The circuit on the front of the motherboard.
There are no components in the circuit on the back of the motherboard. Type-C female seat sink plate welding.
The LDS laser antenna and indicator light are printed on the end of the main board.
Reset button on the motherboard.
The silk screen 24C128A memory is used to store configuration information.
Skyworks Skyworks AV6351 wireless audio transmission IC.
|2. Sony PlayStation PULSE 3D headphones teardown
Remove the clip-on earmuffs of the right earphone.
The inner side of the right earmuff adapts to the inclined structure of the sound cavity. Engraved with R logo, easy to assemble and distinguish.
A dust-proof net cloth is arranged on the cover of the sound cavity.
The oblique angle of the sound hole of the earphone sound cavity is set, which is more in line with the structure of the human auricle, so that the sound can be more effectively received by the ear.
Tear off the product information label, below is the hidden fixing screw.
Remove the screws, open the cavity, and there is a wire connection between the front and rear cavities.
Disassemble the right earphone.
There are multiple tuning holes around the back of the earphone speaker unit, and damping paper is pasted.
After actual measurement, the speaker unit size is about 40mm.
In the back cavity of the right ear is a battery power supply and an adapter board for easy assembly of the headset.
The thermistor is fixed on the battery to detect the battery temperature.
The fixed place between the battery and the cavity is protected by a sponge pad.
The back of the lithium-ion battery pack.
Lithium-ion battery pack rated capacity: 1000mAh, model: LIP1522, charging limit voltage: 4.V, manufacturer: Sony.
The inner side of the connecting structure between the earphone head beam and the ear shell.
There are two wire sockets on the adapter board to connect the speaker and the battery, and connect to the left ear main board through 5 wires.
Disassemble the left earphone.
The inner side of the left earphone ear cup is engraved with the L logo.
The left earphone speaker is connected to the motherboard through a wire and socket.
Remove the socket and open the cavity.
The internal structure of the right earphone cavity.
The key structure of the microphone switch.
The microphone key cap, black and orange two colors.
The volume adjustment button structure, the function buttons are set on the small board and connected to the main board through a flat cable.
Electret microphone, used for voice call pickup. Below is the power indicator light guide.
Another electret noise reduction microphone.
A sealed rubber sleeve is set on the microphone to improve the radio performance.
A dust-proof net is also attached to the microphone hole to prevent foreign matter from entering.
The circuit on the front of the motherboard.
The circuit on the back of the motherboard.
There are two antennas on the main board.
The headset power switch on the motherboard.
3.5mm audio input interface female socket.
Type-C charging interface female socket.
The microphone is turned on.
LED indicator.
The switch IC of the silk screen 61 A1.
The IC of silk screen ADy11.
The LPSemi LP5305 overvoltage and overcurrent protection IC also supports front-end protection of the lithium battery charger, disconnecting the charger input when the battery is overvoltage, providing a complete and comprehensive protection function.
According to 52audio, audio products from brands such as Xiaomi, OPPO, Huawei, Lenovo, Motorola, Realme, Edifier, QCY, JLab, Skullcandy, Boltune and other brands have adopted a large number of LPSemi power management solutions.
The storage of silk screen P24C512.
The regulator of the silk screen WE18 2045.
AKM AK4961 audio chip is a four-channel 24-bit ADC, stereo advanced 32-bit high-quality audio DAC and stereo 24-bit DAC, built-in microphone amplifier, mono receiver amplifier, headphone amplifier, line output and high-function audio/voice DSP.
AK4961 uses AKM’s DSP core to support various voice processing, such as voice wake-up, dual microphone Tx noise suppression, Rx noise suppression, echo cancellation and hands-free functions. AK4961 has five audio I/F and SLIMbus I/F, can communicate with application processor, up to two baseband processors, bluetooth module and digital input class D amplifier at the same time, and mix asynchronous signal with built-in SRC.
NXP LPC804 is a low-cost 32-bit MCU based on Arm Cortex-m0+, with an operating frequency of up to 15 MHZ. Supports up to 32 KB of flash memory and up to 4 KB of SRAM.
The IC of the silk screen SP2.
Skyworks AV6202 wireless audio receiver.
All components of Sony PlayStation PULSE 3D wireless headphones.
|3. Summary
Sony PlayStation PULSE 3D head-mounted wireless headset is a product designed specifically for PS5 game consoles, and is very integrated with game consoles in terms of appearance design. The overall weight of the headset is relatively light, and it is more comfortable to wear with soft earmuffs and the newly designed hanging rubber head cushion. The wired and wireless connection methods are used to adapt to the requirements of different games, and the function keys are also very rich, which is very convenient to use.
The Sony PULSE 3D headset wireless receiver uses a USB-A interface. The internal motherboard uses the Skyworks AV6351 wireless audio transmitter IC and a memory, as well as a reset button to restore the factory settings when it is unable to connect.
The earphone is equipped with a 40mm drive unit inside, and adopts a tilt design that is more in line with the structure of the human ear. Inside the right ear is a battery unit with a capacity of 1000mAh, which is packaged in a unique plastic shell. The speaker and battery are connected to a small adapter board, and then connected to the left earphone main board unit.
On the main board of the left headphone, Skyworks AV6202 wireless audio receiver is used to receive the wireless audio signal of the transmitter. The signal is processed by the AKM AK4961 audio chip, which integrates 24-bit ADC, 32-bit DAC, built-in multiple amplifiers and DSPs, and uses AKM’s DSP core to support various voice processing. And NXP LPC804 MCU, LPSemi LP5305 overvoltage and overcurrent protection IC, etc.
Source: 52audio
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