• JBL Flip 5 - brak dźwięku i bluetooth

It is currently 14 December 2024, 07:35

JBL Flip 5 - brak dźwięku i bluetooth

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
  2. Topic message should contain: the PCB marking code (required in case of hardware repairs), an extended description of problem, things you have checked/replaced/measured, your conclusions and the question. If you are not able to find the PCB marking code, please read THIS TOPIC. If you still cannot locate the PCB markings, please upload a clean, both-side photos of the mainboard - it is required to remove any films, modules or brackets possibly covering these markings.
  3. Before posting a new topic please read all topics in TRAININGS subforum and make a preliminary diagnostic based on the content of those trainings.
  4. Uploading of any complete schematics, BIOS / firmware files or any other kind of documentation, or linking to 3rd party websites with such files, is STRICTLY PROHIBITED. You can only upload the small portion of documentation or, link to BIOS file on UNVERIFIED BIOS FILES subforum, which simplifies the diagnostics/repair. You are not allowed to upload more then one complete page of instruction/schematic per single topic. The file you upload must not contain any watermarks, "confidential" markings, links or email addresses and cannot be password-protected.
  5. It is only permitted to describe one faulty device per single topic - you should always open a new topic for each subsequent device.
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 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).

#1 JBL Flip 5 - brak dźwięku i bluetooth

by Iryseq • 4 April 2023, 13:38
Cześć,

mam głośnik w którym bateria pierwotnie rozładowała się do zera. Po zostawieniu na noc na mocniejszej ładowarce (GaN) ożyła - jednak brak w urządzeniu dźwięku oraz bluetooth (telefon nie wykrywa go).

Nie mam pojęcia gdzie szukać usterki bo zachowanie dziwne.

Układy z płytki:
TPA3128D2 - Class-D Amplifier With Low Idle Power Dissipation
MPS MP3431 - 21A, High-Efficiency, Fully Integrated, Synchronous, Boost Converter with Programmable Input Current Limit
Awinic AW9110B - AW9110B is a 10-channel LED controller with I2C interface.
2x Runic RS622 (TL66229)
BKXK - układ scalony do zarządzania energią do ładowania wbudowanego akumulatora
Vimicro VA9638B - moduł bluetooth

Zmierzyłem wstępnie układ MPS MP3431:
VIN - 4.13V
SW - 4.13V
VOUT - 5.4V
VDD - 3.4V

oraz
TPA3128D2
PVCC (18,19,31,32) - 5.3V
AVCC - 5.3V

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Fotki moje:
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Z internetu o lepszej jakości:
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Re: JBL Flip 5 - brak dźwięku i bluetooth

by Google Adsense [BOT] • 4 April 2023, 13:38

#2 Re: JBL Flip 5 - brak dźwięku i bluetooth

by piotrkaw1 • 24 May 2023, 13:51
Wygrzej moduł BT.

Re: JBL Flip 5 - brak dźwięku i bluetooth

by Google Adsense [BOT] • 24 May 2023, 13:51
 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).
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