This step by step guide shows you how to skillfully disassemble UD7 model H850C.

Pay particular attention to the Safety Instructions!


  • The disassembly of the device must only be carried out by an electrically qualified person.
  • Touching live parts can cause danger to life and limb from electric shock.
  • Disconnect the device from the power supply before the disassembly.
  • Disconnect all peripherals from the device before the disassembly.
  • Use only insulated tools for the disassembly.

Read this guide carefully and in full. Perform the steps in the given order.