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Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
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U9500 Maintenance Guide 1 Product Overview Table 1-1 U9500 product features Item Description Type Touchscreen smartphone Dimensions (H x W x D) 129.9 mm x 64.9 mm x 8.9 mm (5.11 in. x 2.56 in. x 0.35 in.) Working band ...
2.1 Applicable Scope This document provides repair instructions for technicians at service centers authorized by Huawei. This maintenance manual is confidential and accessible to authorized service centers (ASCs) and authorized service providers (ASPs) only. While every effort has been made to ensure the accuracy of this document, errors may still exist.
3.1 Exploded View The components listed in Figure 3-1 are structural parts of the phone, and cannot be used as reference when requesting spare parts. Figure 3-1 shows the U9500 exploded view. Figure 3-1 U9500 exploded view Battery cover Bluetooth...
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The list of components is provided for reference only. This list is subject to change without notice. The latest component list is available on Huawei's ITEM information system. If you have any questions, please contact the local technical support center.
7.2 Disassembly Procedure Wear ESD gloves when you remove the PCBA, antenna board, FPCs, and other electronic components. To disassemble a U9500, perform the following operations: Step 1 Remove the battery cover. Issue 1.2 (2012-6-30) Huawei Proprietary and Confidential...
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U9500 Maintenance Guide 7 Disassembly Procedure Figure 7-2 U9500 components and disassembly tools Back cover Volume key Battery Front cover assembly Battery cover assembly Main FPC Screws Coaxial cable Rear and front cameras Antenna board PCBA Receiver FPC Disassembly tools NOTE The TP and LCD are glued to the front cover using optical adhesive and cannot be removed.
This document does not concern silica gel dispensing on the TP and joining the TP and front cover assembly. 8.2 Assembly Procedure To assemble a U9500, perform the following operations: Step 1 Attach the main antenna and Bluetooth antenna. Melt the positioning pin 1.
Figure 9-1 shows the architecture block diagram of U9500. Figure 9-1 Architecture block diagram of U9500 HUAWEI U9500 mobile phone is a flagship project of the year 2012. U9500 is a bar type smartphone that supports the combination of application processor (AP) and cellular modem (AP+MODEM).
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GPS antenna, Wi-Fi, antenna, and Bluetooth antenna. 0 shows the hardware block diagram of U9500Note: U9500 has no NFC or Cap key module. Figure 9-2 Hardware block diagram of U9500 Based on the functions, the PCBA can be divided into four subsystems: baseband (consisting of the AP, modem BB), RF, power, and user interfaces.
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Antenna Antennas, U9500 provides a built-in antenna supporting WCDMA at internal high and low frequency bands. U9500 provides a main interfaces, and antenna and Wi-Fi/Bluetooth/GPS antennas antenna protective units Issue 1.2 (2012-6-30) Huawei Proprietary and Confidential...
Large current is usually caused by short circuit. The current reaches 500 mA or above (the over-current protection value of a USB charger) when using DC power supply. For U9500, large current is usually caused by ground short circuit of VBAT and VPH_PWR.
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Figure 9-14 Battery management circuit Cause The charging chip BQ24161 is specially used for U9500 for charging control. If U9500 operates properly but cannot be charged, check BQ24161 and replace it with U1901. If the phone still fails to be charged, the circuit monitoring the battery charge level may be faulty. In this case, replace U1301 to see whether the charging function resumes.
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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.
Android smartphones, a Power key, volume up key, and volume down key. The battery used for U9500 cannot be removed. Therefore, the Power key is designed with a forcible power-off function, which facilitates scenarios, such as software upgrade. To forcibly power off the phone, press the Power key for at least 10s.