Xiaomi Redmi Note 7 Не включается, не заряжается. Утопленник.

A Xiaomi Redmi Note 7 is being repaired after being damaged by water. The device does not turn on or charge. It was repaired at another service center. Diagnostics: Oxidation residue was detected on some components. The LCD cable connector is partially broken. There are also rotted contacts in the backlight circuit. When the device is off, no current consumption is detected when voltage is applied to the battery terminals. The board responds to the power button with an initial current surge of 150-170 mAh, followed by a drop to 0. Without connecting the BSI circuit, this behavior is normal. The supply voltages for the PM660L-004-01 and PM660-002 control boards are too low. It was found that the HEBN switch is receiving 5V from the USB port, but no voltage is coming from the output. Presumably, oxides that could have gotten under this microcircuit. Repair: Reballing the HEBN, presumably the switch (I couldn't find a description online). Repairing the contacts in the LCD connector in the backlight circuit. Repairing rotted and burnt backlight contacts on the LCD cable connector (module). Repairing rotted contacts in the DC/DC converter. Support the channel: https://www.donationalerts.com/r/mobi... All repair work was performed at the Mobirem Service Center in Kyiv. Official website: http://mobirem.com.ua For cell phone and tablet repairs, email: [email protected] Or call the number listed on the website.