Ремонт бытовой техники и электроники

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Я не знаю, какой 5-контактный компонент smd используется в и
  eletmoraes

Автор темы
#1
изображение компонента


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[11.09.2020, 15:00]
#2
Please put a photo of the PCB showing the nearby components. It helps to know possible function this component is doing.

It could be this one if its near a microprocessor or some controller sending a reset signal for under voltage.- https://www.mouser.de/datasheet/2/792/r3134-ec-911524.pdf
[11.09.2020, 15:09]
  eletmoraes

Автор темы
#3
picture board

Добавлено (11.09.2020, 16:50:18)
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this component is heating up because the owner of the device instead of using the 5v supply used a 12v supply to power the device



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[11.09.2020, 16:44]
#4
[11.09.2020, 16:55]
#5
I see an inductor close to it so I assume thats a switching regulator. I see there are more such sot23-5 on this board. Can you check what is U12, U13 and U14 are? If they have same markings?

I am afraid that you need trace the pins and draw a pinout. What is the input voltage for this device on the power jack? I see one 5v test point, check if it connects to one of the pins on the S1Axx.

Edit: machenist gave you what you are looking for :)
[11.09.2020, 17:09]
  eletmoraes

Автор темы
#6
I found this site of great help

https://antenna-dvb-t2.info/mark_smd_dcdc.php
[12.09.2020, 08:30]
#7
Не видно включение, SY8008С распространенная
[12.09.2020, 14:47]


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