UK Electronics Repair Questions? Ask a Technician ASAP
Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, bear with us; re-confirm and post back with the complete model number of the DVD Recorder.
Appreciate the additional information.
For every press of any buttons of the original Panasonic DMR-XW390's remote, what is shown/displayed on the unit's screen please?
If the original Panasonic remote passed the (camera) test and yet does not control the Panasonic DMR-XW390; then yes, this would be an internal hardware issue or more particularly, possible suspects are:
All of the above would require that the unit be opened up for visual inspection, voltage/continuity/resistance checks, confirm faults and effect repairs.
If comfortably able and feel safe to do so, are you then considering a DIY (do-it-yourself) repair approach? If yes, do you have access to and familiar with a multi-meter and even a soldering iron?