Huawei U9500 Maintenance Manual page 42

U9500 Maintenance Guide
Table 9-1 U9500 PCBA architecture
Subsystem Module
Baseband OMAP4460
X-GOLD626
EMMC
DDR RAM
RF WCDMA and
GSM/DCS
transceiver
GPS
Bluetooth
interface
Wi-Fi
interface
Oscillator and
frequency
synthesizer
Antenna
Issue 1.2 (2012-6-30)
Unit Function
Application 45 nm, dual ARM9 processors, microSD card,
subsystem UART/USIM, I2C, I2S, HSI, MIPI, GPIO, HDMI, Smart
Reflex 2, and clock supported
User ports Interfaces of the Camera, PCM, broadband codec, RF,
HKADC, LCD, microSD card, USB, UART card, USIM
card, HSI, MIPI, GPIO, JTAG/ETM, and keypad
Multimedia and MPEG/GPEG hardware engine, game engine, JAVA
game engines accelerator, and MP3/MMS/MIDI
Modem BB 40 nm digital baseband module, system-in-package (SIP)
with low power consumption, and modulating and
demodulating for WCDMA, GPS, and GSM signals
Subsystems: ARM processor, modem DSP, interrupt
controller, and power and sleep controller
Modem PMU 65 nm, power supply to the modem BB, reset function,
two-line SMPS, eight-line LDO
Modem memory MCP (1 GB+256 MB)
eMMC features, Programs and NV items, 8 GB/16 GB
power
consumption, and
supporting
system files
Memory RAM for program running, 1 GB
Smartti-UE2 WCDMA RF transceiver, comprised of an RFMD chip,
PMU, and peripheral circuits
GPS receiver Receives and processes GPS signals.
Includes the BCM4751 chip and peripheral circuits.
Bluetooth baseband and RF transceiver, comprised of
Bluetooth module
Broadcom BCM4330 Bluetooth part and peripheral
circuits
Wi-Fi module Wi-Fi baseband and RF transceiver, comprised of
Broadcom BCM4330 Wi-Fi part and peripheral circuits
26 M TCVCXO Provides high precision 26 MHz local clock
and control
circuit
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
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9 Troubleshooting
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