If your TV shows a black or white display but the backlight functions normally, the Y320AN01S4LV06 board is the primary suspect. Follow this diagnostics routine: 1. Check the Main Protection Fuse
A user on the repair forum iFix 爱修网 posted a request in 2018 for a circuit diagram for the "边条 Y320AN01S4LV0.3" (which translates to "side bar Y320AN01S4LV0.3"). The user associated this part with the Sony TV model KLV-32BX320 , which uses a "屏 LTY320AN01" (or "screen LTY320AN01") panel. y320an01s4lv06 circuit diagram pdf link
Detailed PDF schematics for similar scaler boards and power flowcharts can be found on sites like Scribd and Google Docs . If your TV shows a black or white
Locating the official PDF link for the Y320AN01S4LV06 circuit diagram can be challenging due to the proprietary nature of such documents. However, several strategies can be employed: The user associated this part with the Sony
: Receives LVDS (Low Voltage Differential Signaling) from the mainboard at approximately 300 mV .
If you have the skills to attempt component-level repair, understand the basic signals on a T-CON board.
