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U9500 Maintenance Guide
Figure 9-17 Components that might be damaged
Figure 9-18 Component that might be damaged
J1601 LCD BTB
connector
Handling Process
The U9500 LCD is connected to the PCBA using a BTB connector. The backlight LED is
integrated with the LCD. When the display failure occurs, check whether the LCD BTB
connector is properly fastened and whether U1600, U1601, and their peripheral components
are damaged. You can also conduct a replacement test to locate the failure.
Issue 1.2 (2012-6-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Troubleshooting
D1600 LCD
backlight diode
U1600 LCD
backlight power
supply chip
U1601 LCD power
supply chip
51
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Troubleshooting
