Tp.ms3458.pc757 Service Manual !!link!! May 2026
Here is the information typically found in the service manual for this board:
Problem 3: No picture but backlight on
Manual solution:
Check LVDS connector pins against the schematic. Missing LVDS_VDD (3.3V or 5V) is common → trace back to a blown fuse (often marked F1 or FB1). tp.ms3458.pc757 service manual
8. Diagnostics & Common Faults
- No power at all: check mains fuse, standby PSU, 3.3V standby, protection circuits.
- Power on but no backlight: check LED driver, LED strings, backlight fuse, inverter circuits.
- Power on, no image/no sound: verify SoC power rails, clock crystals, EEPROM data.
- Intermittent boot or reboot loops: check capacitors, overheating components, shorted MOSFETs.
- Strange artifacts or horizontal/vertical lines: T-CON, LVDS cable, or panel.
While free versions exist online, consider buying a clean PDF from S‑Manuals – the money supports ongoing documentation for legacy boards. Here is the information typically found in the
2. Where to find a helpful article/manual
Try these sources (some may require registration): No power at all: check mains fuse, standby PSU, 3
3. Common issues & quick fixes (helpful summary)
From repair logs: