: Resolving an "Aging Mode" loop (white/red/green/blue screen cycle) that could previously only be exited via the service menu. Typical Technical Specifications Specification TV System PAL / NTSC / SECAM Power Input Single +12V Panel Voltage Jumper selectable: 3.3V, 5V, 12V Audio Output 2x2W (8 ohm) or higher depending on configuration
This requires a modified FTDI cable (3.3V logic) and access to the debug UART (pins 14/15 on the J403 header). Do not attempt without ESD precautions. hdvx9as v41 service mode fixed
HDVX9-AS V4.1 is a universal TV mainboard (often used in Chinese-manufactured LED/LCD TVs) that allows technicians to access hidden settings via a specific service mode sequence. Service Mode Access Code To enter the service mode on the HDVX9-AS V4.1 board, use the following steps: Turn on the TV. HDVX9-AS V4
Adjust resolution or LVDS map if the screen looks distorted or has "ghosting." Mirror/Flip: Fix upside-down display issues. Logo Settings: Change the boot-up splash screen. Do you need the specific steps Logo Settings: Change the boot-up splash screen
: Press Input + 1147 or Menu + 1147 in quick succession. Secondary Code : If the first code fails, try Menu + 8896 .