: If primary voltage exists but there is no 5V output, the standby PWM IC (e.g., ICE3BR1765J ) may be faulty.
Once you have the board number, search: "LA-L152P schematic" or "LA-L152P boardview" 17ips72 schematic work
Obtain these files from reputable repair forums or official sources. Avoid malicious "free download" sites that may contain malware. : If primary voltage exists but there is