Training Overview
- Focus Areas: WCM529R Maintenance Schematic & PCB Learning Auto BU Module Common Issues (AG525, AG529)
Agenda/Contents
- Introduction
- Wireless Mobility WMC529R-EUAQ Hardware Design V1.0
- WM_WMC529R-EUAQ V1.3 Reference Designator
- WM_WMC529R-EUAQ V1.3 Maintenance Schematics
- WM_WMC529R-EUAQ Maintenance Guide V1.0
- Auto BU Module Common Issues Learning (AG525, AG529)
- Conclusion
Key Sections and Highlights
Wireless Mobility WMC529R-EUAQ Hardware Design V1.0
- Purpose: Defines the WMC529R-EUAQ module, describing its features, performance, and interfaces.
- Product Overview: Automotive-grade LTE/WCDMA/GSM module with diversity reception.
- Key Features: Power supply details, LTE/UMTS/GSM features, SMS, audio, (U)SIM interfaces, USB, UART, I2S, I2C, PCM, SDIO, SPI, RGMII, WLAN, Bluetooth, GNSS, and antenna interfaces.
Application Interfaces
- Pin Assignment and Description: Detailed pin assignments for various interfaces.
- Operating Modes: Full functionality, minimum functionality, airplane mode, low power mode, and power down mode.
- Power Saving: Low power mode and wakeup solutions.
- GNSS Receiver: Supports GPS, GLONASS, BDS, Galileo, and QZSS.
Antenna Interfaces
- Cellular and GNSS Antenna Interfaces: Pin definitions and operating frequencies.
- RF Routing Guidelines: Recommendations for RF layout design.
- Antenna Design Requirements: Specifications for main, diversity, and GNSS antennas.
Mechanical Information
- Mechanical Dimensions: Top, side, and bottom dimensions of the module.
- Recommended Footprint: Suggested PCB footprint for the module.
- Storage, Manufacturing, and Packaging: Guidelines for storage conditions, soldering, and packaging.
Functional Diagram
- Power Management: Manages the power supply for stable operation.
- Baseband: Handles baseband signal processing.
- LPDDR4X + NAND Flash: Provides memory and storage.
- Radio Frequency: Manages transmission and reception of radio signals.
Pin Assignment and Description
- Power Pins: VCC, GND.
- Communication Pins: TX/RX, USB.
- Control Pins: RESET, PWRKEY.
- Network Interface Pins: ANT, SIM.
- GNSS Pins: GNSS_RX.
- Peripheral Interface Pins: GPIO, I2C/SPI.
Auto BU Module Common Issues Learning (AG525, AG529)
- Case Studies: Case 1: Power-on failure analysis for AG551Q-CN 5G modules. Case 2: Power-on failure analysis for AG529R-EU project device module. Case 3: PIN76 pin input level issue analysis for AG571Q project device module.
Conclusion
- The training covered comprehensive details on the WMC529R-EUAQ module, including hardware design, maintenance, and common issues.
- The case studies provided practical insights into troubleshooting and resolving common issues with automotive modules.