Service schematic for the Sony KDL-42W654A LCD television, with RB1G in the name, likely the chassis designation, in a 39.0 MB PDF that any PDF viewer opens. Circuit diagrams for a TV of this kind help trace the standby and main power supply rails, backlight drive, mainboard voltages and signal paths to the panel. Use it to locate test points and compare measured voltages with the documented values while diagnosing no power, no backlight or no picture faults. Verify the model and chassis on the rear label match before relying on it.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @gunvantrathore. Enginerys does not host this file.
All sources (7)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @gunvantrathore | 20 Apr 2020 | Open file on RM Schematics |
| @pdf_servicemanual | 16 May 2020 | Open file on RM Schematics |
| @pepeelectronica | 27 Apr 2022 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 5 May 2025 | Open file on RM Schematics |
| @schematics_bios | 26 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 3 Aug 2026 | Open file on RM Schematics |
| @tvsoftwareworld | 1 Nov 2026 | Open file on RM Schematics |
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.