If you have the (found on a sticker inside the TV), I can help you narrow down the exact firmware version!
: Often contains threads dedicated to the MS3663S series.
Use a stable programmer like the CH341A or RT809F to write the .bin file directly to the flash chip. Thanks in advance for the help! Where to find this file:
Verify your (usually 12V for this model) before powering on with new firmware to avoid damaging the T-Con board.
If you haven't found a direct link yet, these specialized technician communities often host "rar" archives for this specific board:
LED TV. My unit is currently stuck on the standby light/logo, and I suspect a corrupted firmware. TV Model: Cristor 40LH420 Mainboard: TP.MS3663S.PB801 (MS3663 PB801)
(Insert your panel number here, e.g., V400HJ6-PE1) File Type Needed: .bin or .rar (full dump)
first, even if it's corrupted, to save your unique HDCP keys and MAC address.
Social media