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Desmontaje de la Lenovo Thinkpad Ultra Dock AJ40

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Lenovo Thinkpad Ultra Dock AJ40 Disassembly, PCB top side: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
PCB top side

  • PCB top side

  • Red boxes : Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs. Texas instruments: TPS51225

  • Left step down produce 5V

  • Right step down: produce 3V3 and 5V

  • There are three Eeprom on board : winbond: 25x10CLNIG , 8 pin, U4 and U10 (1M-bit SPI)

  • VLI marked IC: Via labs Usb port controllers VL820. https://www.via-labs.com/product_show.ph...

  • Synaptics VMM5322.Have features for HDMI and 2xDisplay port out.

Lado superior de la placa de circuito impreso

Lado superior de la placa de circuito impreso

Cuadros rojos: Controlador reductor síncrono dual con LDO de 5 V y 3,3 V. Texas Instruments: TPS51225

El paso hacia abajo a la izquierda produce 5 V

Paso hacia abajo a la derecha: produce 3V3 y 5V

Hay tres EEPROM en la placa: winbond: 25x10CLNIG, 8 pines, U4 y U10 (SPI de 1 Mbit)

IC marcado VLI: Controladores de puerto USB Via Labs VL820. https://www.via-labs.com/product_show.ph...

Synaptics VMM5322.Have features for HDMI and 2xDisplay port out.

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