Tp.ms3458.pc757 Service Manual !full! Here
| Resource | What You'll Find | Key Details | | :--- | :--- | :--- | | | User-shared repair guide & schematics (PDF format) | This forum thread contains a verified, functional download link for the manual. | | remont-aud.net | Verified firmware/software dumps for specific TV models | Models supported include : SELECLINE 889344/49S17U, RCA RTU4002, DGTEC DG-5516UHD, and RECONNECT 55U5570. | | softaawy.com | A flash dump file for the board | The file is named 1W031005.tar (size: 4.84 MiB). | | ShopJimmy.com | Replacement main/power supply boards, EEPROM chips | Product pages show part compatibility, such as with boards BH-17089 and AE0012436. | | Newegg.com | EEPROM chip for the board, main board replacements | The EEPROM is often labeled as component U2 on the board. | | Elektroda.pl | User discussions on troubleshooting, schematic requests | A discussion started in July 2020 about a Manta LED5501u with no LED voltage is still a valuable resource. |
The is a highly popular, budget-friendly three-in-one LED TV motherboard. It integrates the main logic board, a regulated power supply unit (PSU), and an LED backlight driver circuit onto a single printed circuit board (PCB). Manufactured primarily by BoardTek/TPV and widely utilized by budget television brands such as Changhong, Skyworth, Sansui, and various OEM brands, this board is a staple in 32-inch to 43-inch LED TVs.
This technical guide serves as a comprehensive service reference for technicians repairing televisions equipped with the TP.MS3458.PC757 chassis. Technical Specifications & Architecture tp.ms3458.pc757 service manual
Verify the secondary side Schottky diodes aren't shorted to ground.
Updating the firmware is a common fix for TVs with software glitches, boot loops, or compatibility issues. Follow this process carefully. | Resource | What You'll Find | Key
The processor sends a (Pulse Width Modulation) signal to control backlight dimming.
The TV is plugged in, the red indicator light is solid, but the unit does not respond to the physical power button or remote control. | | ShopJimmy
Before searching extensively for the manual, note these frequent issues with MS3458-based boards:
If the picture looks like a negative photograph, the mainboard data format does not match the panel. This can be resolved via the Factory Service Menu. 5. Firmware Flashing & Software Recovery
: This board often suffers from power supply failures (TV won't turn on), backlight issues (dim or no video), or boot loops (stuck on logo). Component Values : For SMD repairs, technical forums like All About Circuits
The factory engineering overlay menu will appear on the left side of the screen. Critical Service Menu Modifications
