Before searching extensively for the manual, note these frequent issues with MS3458-based boards:
The standby LED will begin blinking rapidly, indicating the update process has started. Release the power button.
Many electronics parts suppliers offer complete, tested mainboards:
If there is no backlight but you have sound:
12V, 5V, 3.3V, 1.5V, and 1.1V (Core CPU power)
When the TP.MS3458.PC757 becomes software-bricked, you must re-install the firmware using a USB drive. USB Recovery Procedure
Leave a comment below – I check weekly and will point you to the right page in the manual.
Lists expected voltages at key test points in both and power‑on states. Example:
Step‑by‑step guides for:
If the service manual leads to a component-level repair, source parts from:
: Can be previewed or downloaded on Elektrotanya or Scribd .
Test Point: Pin 8 of the SPI Flash IC (usually a Winbond 25QXX series) or an adjacent 1117-3.3V LDO regulator.
A: Mostly yes. The power and video sections are identical. The main difference is the NAND flash type and USB hub layout.
