Midland 75822 Channel Mod 〈COMPLETE〉
The Midland 75-822
Step 1: Opening the Chassis
- Unplug the radio completely.
- Remove the 4 screws on the bottom and the 2 on the back.
- Carefully slide the chassis out. Keep the speaker connected or desolder it for easier access.
Modifying your Midland 75822 channel can breathe new life into your two-way radio, offering enhanced flexibility and functionality. While this process may seem daunting, with the right tools and guidance, it's a straightforward procedure. Remember to exercise caution and consider the potential risks before making any modifications. midland 75822 channel mod
- A computer with a serial port or a USB-to-serial adapter
- A programming cable (available online or through Midland's website)
- Midland's proprietary programming software (available online or through Midland's website)
By modifying your Midland 75822 channel, you'll gain access to: The Midland 75-822 Go to product viewer dialog
Write-Up: Midland 75822 Channel Expansion (FCC “Freeband” Mod)
Objective
Enable access to frequencies above and below the standard 40 CB channels (26.965–27.405 MHz), including amateur 10m, “freeband,” and sometimes export frequencies (e.g., 25–28 MHz) depending on the specific PLL chip used in the 75822. Unplug the radio completely
While the Midland 75822 comes with a standard set of channels, some users may require additional channels for various reasons:
Back in the day, "channel mods" were popular among hobbyists who wanted to reach "freeband" frequencies above or below the legal CB band.
Troubleshooting Common Issues
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | Dead silence on a band | VCO not oscillating | Re-adjust the VCO trimmer cap | | Squealing noise | Microphonic PLL | Wrap the PLL in copper tape | | Channels skip | Bad binary connection | Re-solder the wires to PLL pins | | No TX on upper band | Low 8V regulator | Check voltage at pin 5 of the PLL |