The Repair Bench Difficulty: ★★☆☆☆ (Easy/Moderate) Time: 1 hour (plus curing time)

Ensure your software license matches the hardware region. You can check the radio's label (e.g., TK-2000M) to identify its market. 2. COM Port and Cable Connection Errors

Kenwood software is region-locked. If you have a radio from one market (e.g., "M" for "Other Areas") but your software was activated with a serial number for a different market (e.g., "K" for North America), the software will refuse to communicate with the radio.

Fix the crack. Get back to work.

Reinstall the PCB, membrane, and screws. Do not overtighten—that can reopen the crack. Power on the Kpg-137d. Test every key, backlight, and display segment for normal function. Let the unit run for 1 hour, flexing it slightly to ensure the holds.