| Error / Symptom | Likely Cause | Manual Fix | | :--- | :--- | :--- | | | Overheated motor | Unplug 15 min. Insert paperclip into tiny hole near eject button. | | No sound from DVD | BT is stealing audio | Press Source → TV → then back to DVD. | | Remote not working | IR sensor covered | Clean the bottom-left bezel. Use phone camera to see if remote emits IR light. | | "Hot" warning on screen | Internal sensor tripped | Let cool 30 min. Do not use DVD player; use USB or HDMI only. | | BT pairs but no audio | Wrong codec | TV only supports SBC. Use different headphones. | Part 5: Where to Download the Official Napoli 7997 Manual Due to the generic nature of "Napoli" as a brand (often a rebranded Chinese unit), the original manual is hosted on obscure sites. Do not pay for PDFs.