50.0cm (21 inches) measured diagonally with 90° deflection.
The diagram will list specific voltages (e.g., 140V, 24V, 5V). Use these to narrow down which component has failed.
If you are looking at a specific portion of your chassis right now, let me know: panasonic tc-21rx20c circuit diagram pdf
Community-shared documents. Action: Register and post a request: “Wanted: Schematic for Panasonic TC-21RX20C (M17 chassis)”. Experienced members often have archive copies.
which includes detailed circuit diagrams and repair information. : A related Panasonic GP41 Chassis Service Manual If you are looking at a specific portion
"Panasonic TC-21RX20C" circuit diagram filetype:pdf "Panasonic TC-21RX20C" service manual Panasonic chassis M16S schematic (if chassis number known)
Great for user manuals and general structural wiring diagrams. panasonic tc-21rx20c circuit diagram pdf
Look for the regulator IC (often from the STR-W or STR-G series, such as STR-W6754 or similar) and the main filter capacitor (typically rated at 400V/450V).
Multiple RCA inputs for AV and component video. Common Faults and Repair Tips