笔记本品牌 华为Huawei
笔记本型号 Matebook X Pro 2019(Mach R)
资料类型 笔记本维修资料
资料内容 笔记本维修手册 初级维修手册L1 高级维修手册L3
资料格式 PDF
第 1 章 维修手册概述........................................................................................................................................................4
1.1 文档使用说明............................................................................................................................................................4
1.2 维修手册概述............................................................................................................................................................4
1.3 维修信息获取指引....................................................................................................................................................4
第 2 章 主板工作原理.....................................................................................................................................................5
2.1 原理框图和简介........................................................................................................................................................5
第 3 章 主板器件位置图和物料 BOM 信息...............................................................................................................8
3.1 主板关键器件位置图................................................................................................................................................8
第 4 章 维修环境工具清单.............................................................................................................................................10
第 5 章 维修指导............................................................................................................................................................12
5.1 不开机故障..............................................................................................................................................................12
5.2 不充电故障..............................................................................................................................................................14
5.3 音频故障..................................................................................................................................................................15
5.3.1 大喇叭（低音喇叭）故障..................................................................................................................................15
5.3.2 小喇叭（高音喇叭）故障...................................................................................................................................15
5.3.3 耳机故障...............................................................................................................................................................16
5.3.4 数字 DMIC 录音故障.........................................................................................................................................17
5.4 显卡故障..................................................................................................................................................................17
5.5 U** TYPEA 无功能故障.........................................................................................................................................18
5.6 指纹模块无功能故障..............................................................................................................................................19
5.7 键盘 LED 相关故障................................................................................................................................................20
5.7.1 对键盘背光灯故障，..........................................................................................................................................20
5.7.2 大小写键 Caps 切换灯，Fn 灯，和 F7 MIC 开关灯...................................................................................21
5.8 SSD 不识别故障......................................................................................................................................................22
5.9 风扇不转故障..........................................................................................................................................................22
5.10 LCD 无显故障（TYPEC 转 VGA/HDMI 能正常显示）...............................................................................23
5.11 无线网络（WLAN）和蓝牙（BLUETOOTH,BT）设备故障......................................................................25
5.12 CLICKPAD 触摸板无功能故障..........................................................................................................................26
5.13 摄像头无功能故障................................................................................................................................................27
5.14 光感（ALS）无功能故障.....................................................................................................................................28
5.15 屏幕触摸（TOUCH PANEL）无功能故障......................................................................................................29
