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Huawei Honor 9x wifi cannot be repair
Machine model: Huawei Honor 9x
Malfunction: mobile phone water damage has no WiFi.
Maintenance process:
Connect a Huawei Honor 9x. The fault is that the mobile phone water damage has no WiFi.
Huawei Honor 9x wifi cannot be repair Figure 1.
Dismantling the phone found that the mobile phone belongs to water damage, and the area of water damage is only above the display seat. Since there is only this position water damage, we don’t consider other places for the time being. We found that there is one in this position. The main VCC passed an VCC resistor for WiFi VCC, and the resistance obviously has water damage marks. Use Fuse to measure water damage at both ends.Explain the resistance damage, directly remove short-circuit, and troubleshoot.
Huawei Honor 9x wifi cannot be repair Figure 2.
