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WSAL24591 – 9.3inch 1600x600 LCD/en

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Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

Summary

This document describes the specifications, electrical parameters, and configuration instructions for the Waveshare 9.3-inch 1600×600 capacitive touch display with HDMI interface.

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Technical overview

  • The display uses a 9.3-inch IPS panel with a native resolution of 1600×600 pixels and a viewing angle of 178°.
  • Brightness is up to 800 cd/m² with a contrast ratio of 1200:1 and a refresh rate of 60 Hz.
  • Power is supplied via a 5V Type-C connector; standard input current is 850 mA (minimum 800 mA).
  • When using Raspberry Pi, the resolution must be manually set in config.txt because the system does not auto-detect it.
  • On Windows, connect via USB (touch) and HDMI (display); some PCs require a reboot for plug-and-play functionality.
  • Brightness can be adjusted on Linux via DDC/CI (e.g., ddcutil) or on Windows via software such as Twinkle Tray.
  • The device supports a multi-language OSD menu for power control and brightness/contrast adjustment.

Commands and examples – verify before use:  

hdmi_group=2
hdmi_mode=87
hdmi_cvt 1600 600 60 6 0 0 0
sudo apt-get install ddcutil -y
sudo ddcutil detect
sudo ddcutil setvcp 10 <value>

Notes and version constraints

  • Input voltage exceeding the maximum value of 5.25 V or improper operation may cause permanent damage to the device.
  • Input current below 800 mA can lead to start-up failure or abnormal display; prolonged time in an abnormal state may permanently damage the display.
  • Avoid long-term storage in high-temperature and high-humidity environments; operation must remain within specified limits.
  • Some PCs may only recognize the HDMI connection after a system reboot.
  • Insufficient USB power supply causes flickering; connecting an external 5V 1A adapter to the Power port resolves this.
  • PWM backlight adjustment requires removing a resistor and soldering external connections – please have a professional verify before proceeding.

Source and revision record

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