Tp.ms3458.pc757 Service Manual Updated -

The TP.MS3458.PC757 is a 4K UHD 3-in-1 LED TV motherboard commonly used in various TV brands like RCA, Bauhn, Haier, and Akai. This board integrates the main logic, power supply, and LED driver into a single unit.

Replacing this board often resolves over 85% of standard TV failure issues, such as power surges or signal processing errors. TP MS3458 PC757 T MS3458 U801 tp.ms3458.pc757 service manual

Have a question about a specific failure on your TP.MS3458.PC757? Leave a comment below – I check weekly and will point you to the right page in the manual. The TP

Introduction

If you’re repairing a modern LED TV, chances are you’ve run into the TP.MS3458.PC757 main board. This board is commonly found in budget to mid-range TVs from brands like Hisense, Element, RCA, Sanyo, and many white-label models. Print the voltage table – Keep it next to your multimeter

Pro Tips for Using This Manual

Print the voltage table – Keep it next to your multimeter.
Download a schematic viewer (like Gerber Viewer or LibrePCB) – Some manuals come as CAD files.
Cross‑reference with panel specs – The LVDS pinout helps if you’re replacing the original LCD panel with a different model.
Backup your original firmware – Before updating, use a CH341A programmer to dump the SPI flash. The manual shows the pinout.

Be careful – changing panel timing can permanently damage your LCD.

2. Safety & Handling

Follow ESD precautions: use wrist strap, grounded workbench.
Disconnect mains power and discharge capacitors before servicing power sections.
Use insulated tools and observe high-voltage warnings around backlight inverter and main SMPS.
Replace fuses with same ratings only.

I understand you're looking for a service manual for a device with the code tp.ms3458.pc757. This appears to refer to a mainboard (TV logic board) , likely used in generic or lower-cost LED TVs (e.g., brands like Sceptre, Element, Westinghouse, or no-name sets).

Where to Download the TP.MS3458.PC757 Service Manual

Because copyright laws vary, I won’t host the file directly. However, here are reliable sources where you can find the official PDF: