Ремонт: Ноутбуков, Компьютеров :: Lenovo G50-30 (NM-A311) No post low current

Change the processor, this is a typical malfunction for this platform. The reason is the lack of protection over USB

Или как говорят у нас "Вашему комбайну тапки приснились"
---------- Добавлено спустя 4 минуты 27 секунд: ----------
This platform is still stitched with ITE, keep in mind!
---------- Добавлено спустя 7 минут 21 секунду: ----------
Be careful, under the CP compound, use dichloroethane

	scobay [ 02 авг 2017, 20:33 ]
Заголовок сообщения:	Lenovo G50-30 (NM-A311) No post low current
Assistance needed, board consumes .050ma even when power button pressed, after power button pressed, power led comes on but same current drawn. Bios has been flashed a few times with different dumps, Sio has been reflashed a few times and exchanged for new one still same. +3valw is present +3VALW_SOC is present Sio Pin 107 syson 0v Pin 93 ec_rsmrst# 3.3v does not drop Pin 86 PBTN_OUT# 3.3v drop to 0v Pin 87 VR_+1.0VALW_PWRGD 3.3v Pin 111 EC_ON 3.3v Pin 18 PM_SLP_S3# 0v doesnt change state Pin 21 PM_SLP_S4# 0v doesnt change state. Any ideas appreciated.

	77romantik77 [ 02 авг 2017, 22:05 ]
Заголовок сообщения:	Re: Lenovo G50-30 (NM-A311) No post low current
What is the resistance of D + D- relative to ground via USB?

	scobay [ 02 авг 2017, 23:55 ]
Заголовок сообщения:	Re: Lenovo G50-30 (NM-A311) No post low current
77romantik77 писал(а): What is the resistance of D + D- relative to ground via USB? HI Im not sure what you mean? Posted after 5 minutes 18 seconds: 77romantik77 писал(а): What is the resistance of D + D- relative to ground via USB? Apologies I understand D- is 2.48 ohm D+ is 41 ohm

	77romantik77 [ 03 авг 2017, 01:41 ]
Заголовок сообщения:	Re: Lenovo G50-30 (NM-A311) No post low current
Change the processor, this is a typical malfunction for this platform. The reason is the lack of protection over USB Или как говорят у нас "Вашему комбайну тапки приснились" ---------- Добавлено спустя 4 минуты 27 секунд: ---------- This platform is still stitched with ITE, keep in mind! ---------- Добавлено спустя 7 минут 21 секунду: ---------- Be careful, under the CP compound, use dichloroethane

	scobay [ 03 авг 2017, 02:29 ]
Заголовок сообщения:	Re: Lenovo G50-30 (NM-A311) No post low current
77romantik77 писал(а): Change the processor, this is a typical malfunction for this platform. The reason is the lack of protection over USB Или как говорят у нас "Вашему комбайну тапки приснились" ---------- Добавлено спустя 4 минуты 27 секунд: ---------- This platform is still stitched with ITE, keep in mind! ---------- Добавлено спустя 7 минут 21 секунду: ---------- Be careful, under the CP compound, use dichloroethane I was hoping it was not the CPU bga chip, where to get dichloroethane in the EU?.

Ремонт: Ноутбуков, Компьютеров https://vlab.su/

Lenovo G50-30 (NM-A311) No post low current https://vlab.su/viewtopic.php?f=58&t=64348	Страница 1 из 1

	77romantik77 [ 03 авг 2017, 10:14 ]
Заголовок сообщения:	Re: Lenovo G50-30 (NM-A311) No post low current
https://m.ss.lv/msg/ru/production-work/ ... oggnm.html

Страница 1 из 1	Часовой пояс: UTC + 4 часа
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group http://www.phpbb.com/