HUAWEI BOB-WAI9 DAH98MB38B0 REV:B HF missing component

s_specialist

Member

Join Date: Jul 2013

Posts: 46

Country: Turkey
#1

HUAWEI BOB-WAI9 DAH98MB38B0 REV:B HF missing component

11-01-2025, 03:28 AM

My Huawei BOB-WAI9 device is missing parts due to liquid contact. I can't find the diagram. Can anyone help?
Attached Files
Premium supporters get full download access and other benefits.
Tags: None

Previous template Next

Huawei motherboard part number DAH98MB38B0 missing part

by manosjkh

Hello everyone.
In the attached photo of this Huawei motherboard I would appreciate if anyone of you knows the type of the IC in the red circle.
Thank you very much in advance.
...
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
03-10-2025, 03:27 AM
Huawei D14 dah98ambad0 rev d please help identify Missing components

by Yolofolkss

Huawei D14 dah98ambad0 rev d please help identify Missing components

Hello I just bought this laptop to be used personally (that I'm currently trying to repair.), I am aware that liquid (gravy) has been spilled in this area before. but there are missing components it it possible to have a board view or a schematic of this? or just an idea on what components its missing?

as far as I know this parts are connected as sense or enable.... that's how far I know...

Images attached:
the picture of the area. and some of the pinouts that I noticed on the chip...
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
03-26-2023, 12:37 AM
Schematics for Huawei matebook D14 DAH98MB38B0 rev: B HF

by cattivo12

HI,
I need the schematics for the Huawei Matebook nbb-wah9p with m/b DAH98MB38B0 rev: B HF, I think the other technician missed a component in the power section, in fact now the laptop boots (I wrote a new bios) but the battery charging does not start.
Thanks everyone in advance.
- Channel: Schematic Requests ONLY!
12-28-2023, 04:38 PM
Huawei MateBook D16 (RLEF-X) - Touchpad dead in Windows, works in BIOS, Intel UHD driver gives black screen

by Fabián Morin
Hello everyone,

I'm working on a Huawei MateBook D16 and I'm stuck with a persistent issue. I hope someone here can help.

The problems:
1. Touchpad: Works perfectly in the BIOS (cursor moves), but it's completely dead once Windows starts. It doesn't appear in Device Manager.
2. Display: The Intel UHD Graphics driver causes a black screen when booting Windows normally. However, in Safe Mode, the Intel driver works flawlessly and the display is stable. If I uninstall the Intel driver and use the generic Microsoft Basic Display Adapter, the screen works, but the touchpad remains
...
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
Yesterday, 12:01 PM
NANKADF WPS3010H 30V 10A PSU missing resistor value identification

by ezenia

Hi,

I have this NANKADF WPS3010H 30V 10A PSU that I am in the process of repairing. During my troubleshooting, I noticed a missing resistor next to the TL494C chip.

I have marked the missing resistor location in this image below:

I'm aware Q3 and Q4 are missing. These were removed by me (waiting for replacement parts). I am just stuck on the missing resistor since I can't find any proper close-ups of this board online nor do any schematics/boardviews exist. I've come across some YouTube teardown videos of similar PSUs with the TL494C chip....
- Channel: Troubleshooting Power Supplies and Power Supply Design
06-26-2026, 08:11 PM
Loading...
No more items.

HUAWEI BOB-WAI9 DAH98MB38B0 REV:B HF missing component

HUAWEI BOB-WAI9 DAH98MB38B0 REV:B HF missing component

Related Topics