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Applicable Models

This information is for the following models:
  • MHC-V77DW

About this download

Benefits and Improvements

  • Solves an issue where sound skips during playback over prolonged periods of time, when using the KEY CONTROL buttons

Previous Benefits and Improvements

  • Solves an issue where Microphone sound is sometimes skipped when using the KEY CONTROL buttons

File Info

File Name

  • Firmware Update for Home Audio System "MHC-V77DW"

File Version

  • SYS 2.05

File Size

  • 177 MB (185,692,352 byte)

Release Date

  • 26-01-2017

Preparation

Check the firmware version

If you have version "SYS 2.03" or lower, we strongly recommend for you to update the firmware.

If you already have version "SYS 2.05", you do not need to update the firmware.

If you're not sure, it's easy to check which version of the firmware you currently have:

  1. Press the power button of the unit to turn on the system.
  2. Press [OPTIONS].
  3. Press ↑/↓ repeatedly to select “SYSTEM" then press
  4. Press ↑/↓ repeatedly to select “VERSION" then press


Important Notice

  • Note: It is impossible to go back to the previous software version after the software update.
  • Read the instructions carefully or you could end up damaging your MHC-V77DW
  • Don't turn the MHC-V77DW off - or disconnect it from the power - while it's updating
  • Don't press any buttons, except the ones mentioned in the instructions
  • Don't operate on the set and the remote controller during download and update.
  • Don't pull out a power cord until update is completed. It becomes a cause of failure of this system.

There are 2 easy ways to update the firmware on your MHC-V77DW:

What you needWhy use this method?
Internet / network
***RECOMMENDED***
  • An wired local area network to connect your MHC-V77DW to the internet
  • To make sure your MHC-V77DW is connected to:
    • an active internet connection
We recommend this method as it's the easiest and quickest way to update your firmware.
USB storage device
  • A computer
  • A USB storage device
Update your firmware this way if you can't connect over the internet.

Install

Updating your MHC-V77DW over the Internet

We recommend this method as it's the simplest way to update. It usually takes about 15-30 minutes. First set up the equipment, then download the update over the Internet to your MHC-V77DW.

What you need:

  • An active Internet connection (using an Ethernet cable)

Set up the equipment:

  1. Connect the MHC-V77DW to your Internet source using an Ethernet cable

Step 1: Install the update

  1. Press of the unit to turn on the system and wait a few minutes until the "UPDATE" icon is displayed on the display.
  2. Press [OPTIONS]
  3. Press ↑/↓ repeatedly to select “SYSTEM" then press
  4. Press ↑/↓ repeatedly to select “UPDATE" then press
  5. Press ↑/↓ repeatedly to select “VIA NW" then press
  6. Press to select "EXEC"
  7. Press ↑/↓ repeatedly to select “YES" then press


  8. Please wait until the download, file copy and update procedures are completed.
    • Download: the download time will depend on your Internet connection
    • File Copy: this step will be followed by an automatic system reboot (about 10 seconds)
    • Software Update: this step will also be followed by an automatic system reboot (abut 30 seconds)
    • The Demonstration mode will then start

  9. Press of the unit again and turn on the system.

Step 2: Confirm that the update was successful

  1. Please confirm that the number of the software version is updated to the latest version. (If in doubt, please see the firmware version verification method at the top of this page)

If “Download Error”/“Push POWER” is displayed during the update, the software update failed.

  1. Press the button and turn the system OFF
  2. Press the button, the system will then turn ON
  3. Wait about 3 minutes (or until network connection is complete), then check the display on the system
    • UPDATE icon is lit
    • ⇒ The Software update is NOT completed, but the system is in normal condition.
      ⇒ Try network update once again previous steps.
      If the update fails again, instead of the network update, please try the software update using the USB flash device procedure.


Update via USB Memory Device and your PC

We recommend you use the Internet to update if you can. If not, you can use this method instead. You'll download the update to your computer, transfer it to a USB memory device, then transfer it to your MHC-V77DW.

Preparations for Firmware Update

Before downloading the firmware, please ensure that your computer is running one of the following operating systems and prepare USB flash drive.

Operating Systems

  • Windows® 10
  • Windows® 8.1
  • Windows® 7 SP1
  • Windows® Vista SP2
  • Macintosh® OS X version 10.4 or later version

If you are using Windows® 10/8.1, please use it in desktop mode.
Operation is not guaranteed for all PCs installed with a compatible OS.

Recording Media requirements

USB flash drive : Capacity: more than 256MB

Step 1: Install the update

Download the update to your computer:
  1. Make sure no program other than your Internet browser is running.
  2. Read and agree to the terms and conditions on this page
  3. Download the file to your computer - remembering which directory you download it to
    • MHC-V77DW: MHC16002.UPG [177 MB (185,692,352 bytes)]
Transfer the update files to the USB storage device:
  1. Insert your USB flash drive in a USB slot on your computer
  2. Format your USB flash drive
  3. Copy the update file to the ROOT directory of the USB flash drive

Note: The update will not be performed if the file is not copied to the root directory of the USB device or if the name of the file is modified.

Transfer the update to your player

Plug the USB flash drive into the USB slot of the MHC-V77DW.

Transfer the update:
  1. Start the MHC-V77DW by pressing the button
  2. Press [OPTIONS]
  3. Press ↑/↓ repeatedly to select “SYSTEM" then press
  4. Press ↑/↓ repeatedly to select “UPDATE" then press
  5. Press ↑/↓ repeatedly to select “VIA USB" then press
  6. Press to select "EXEC"
  7. Press ↑/↓ repeatedly to select “YES" then press
  8. "UPDATING" on the display will then start blinking during the update.

  9. Please wait until the file copy and update procedures are completed.
    • File Copy: this step will be followed by an automatic system reboot (about 10 seconds)
    • Software Update: this step will also be followed by an automatic system reboot (abut 30 seconds)
    • The Demonstration mode will then start

Step 2: Confirm that the update was successful

  1. Please confirm that the number of the software version is updated to the latest version. (If in doubt, please see the firmware version verification method at the top of this page)

If “File Error” or "No File" or "Read Error"/“Push POWER” is displayed during the update, the software update failed.

  1. Confirm your update file is correct and placed in the root directory of your USB flash drive, and try again the previous steps.
  2. If you still cannot perform the update, please try again with anoter USB storage device.