A single horizontal line across the screen indicates a failure in the vertical circuit, often requiring replacement of the LA78040 IC and checking the 24V supply from the flyback.
Technicians often encounter specific "protek" (protection) issues where the TV shuts down shortly after power-up.
Typically uses the LA78040 or STV9302 IC. Skema Tv Sharp Alexander Slim 2
If the TV has no power, technicians check the main fuse and inspect the STR regulator and surrounding electrolytic capacitors for bulging or leaks.
To adjust geometry (height, width, centering) or white balance, you must enter the Service Mode: Fixing Your Sharp Alexander 21-Inch TV: A Complete Guide A single horizontal line across the screen indicates
While specific model numbers (like 21L-FG1L) vary, the Alexander Slim 2 series generally utilizes the following primary integrated circuits (ICs) and components: Often uses the IXB226WJ or IXC080WJ .
Often the TT2140 or MD1803DFX .
Popular replacement types include JF0501-32601 or similar variants depending on screen size. Common Troubleshooting & Repair