Schematic lenovo a820 altai mb h301 sch 0129 schematic

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lenovo a820 altai mb h301 sch 0129 1




Technical Specifications

ParameterValue
BrandLenovo
ModelMIDH_Phone
Motherboard ManufacturerChenqm2
Project CodeAltai_MB_H101
Board NumberH101
RevisionA
Date20120828
CPU PlatformMT6589
Drawing NumberAltai_MB_H101

Technical Summary

This Lenovo MIDH_Phone motherboard, project code Altai_MB_H101, board number H101 revision A, dated 20120828, is built around the MediaTek MT6589 power platform. The schematic includes a MT6588E1_LPDDR2 component, indicating integrated memory architecture. The design incorporates multiple power domains including DVDD_DVFS, DVDD_SRAM, DVDD_GPU, and various 1.8V and 1.2V I/O rails for DDR memory interfaces. The board features extensive EMI power distribution with DVDD18_EMI pins, and includes dedicated power management connections such as VPROC_BB, VPROC_PMU, VSRAM_PMU, VCORE_PMU, VIO18_PMU, and VBAT. Multiple shielded areas are present for PMU, RF, and WiFi sections. The baseband section specifies interface assignments including I2C buses for camera, sensors, and PMIC communication, UART ports for debug, and MSDC controllers for eMMC and T-Card storage.

Technician FAQ

Q: What is the CPU platform used on this motherboard?

A: The motherboard uses the MediaTek MT6589 platform, as indicated by the sheet title "11_MT6589_POWER" and "12_MT6589_BASEBAND".

Q: What memory architecture is used on this motherboard?

A: The board uses LPDDR2 memory, as indicated by the component U1101-F and U1101-B labeled "MT6588E1_LPDDR2".

Q: What are the board identification details for this motherboard?

A: The board number is H101, project code Altai_MB_H101, revision A, manufactured by Chenqm2 for Lenovo MIDH_Phone, dated 20120828.

Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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  • Lenovo_A820=1=Altai_MB_H301_SCH_0129.pdf
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