Digital (DVB-T/T2/C/S/S2) and Analog (PAL/SECAM/NTSC) depending on the regional market variant
Format a USB 2.0 flash drive (8GB or smaller is preferred) to .
The TV turns on (sound is present), but the screen is black. Input failure: HDMI or USB ports are not detected. 3. TP.MS3458.PC757 Troubleshooting Procedures
TP.MS3458.PC757 is a commonly used 4K "three-in-one" motherboard (mainboard, power supply, and LED driver) found in several budget 4K TV brands, including Service Manual & Technical Documents
Warning: A wrong firmware will cause a white/garbage screen. Always verify the panel model (printed on the LCD ribbon cable) before flashing.
What is listed on the sticker inside your TV?
| Symptom | Likely Cause | Quick Check | |--------|-------------|--------------| | No power, no LED | Blown fuse on mainboard or faulty standby regulator | Check F1 or F2 (surface mount fuse near DC jack). Test U1 or U2 (3.3V regulator). | | Power LED on, but no backlight | Backlight enable signal missing or bad LED driver | Check BL_EN pin (usually 3-5V). Try adjusting backlight in service menu. | | White screen / vertical lines | LVDS cable loose or panel mismatch | Reseat LVDS cable. Verify panel voltage jumper matches your screen (3.3V/5V/12V). | | Boot loop / stuck logo | Corrupted firmware | Download correct firmware (must match board panel) and reflash via USB. | | Remote or buttons not working | IR sensor or button board voltage missing | Check 3.3V on IR board connector. Test button resistors. |
Tp.ms3458.pc757 Service Manual //top\\
Digital (DVB-T/T2/C/S/S2) and Analog (PAL/SECAM/NTSC) depending on the regional market variant
Format a USB 2.0 flash drive (8GB or smaller is preferred) to . tp.ms3458.pc757 service manual
The TV turns on (sound is present), but the screen is black. Input failure: HDMI or USB ports are not detected. 3. TP.MS3458.PC757 Troubleshooting Procedures What is listed on the sticker inside your TV
TP.MS3458.PC757 is a commonly used 4K "three-in-one" motherboard (mainboard, power supply, and LED driver) found in several budget 4K TV brands, including Service Manual & Technical Documents Test button resistors. |
Warning: A wrong firmware will cause a white/garbage screen. Always verify the panel model (printed on the LCD ribbon cable) before flashing.
What is listed on the sticker inside your TV?
| Symptom | Likely Cause | Quick Check | |--------|-------------|--------------| | No power, no LED | Blown fuse on mainboard or faulty standby regulator | Check F1 or F2 (surface mount fuse near DC jack). Test U1 or U2 (3.3V regulator). | | Power LED on, but no backlight | Backlight enable signal missing or bad LED driver | Check BL_EN pin (usually 3-5V). Try adjusting backlight in service menu. | | White screen / vertical lines | LVDS cable loose or panel mismatch | Reseat LVDS cable. Verify panel voltage jumper matches your screen (3.3V/5V/12V). | | Boot loop / stuck logo | Corrupted firmware | Download correct firmware (must match board panel) and reflash via USB. | | Remote or buttons not working | IR sensor or button board voltage missing | Check 3.3V on IR board connector. Test button resistors. |