Tp.ms3458.pc757 Service Manual ^hot^ May 2026

The TP.MS3458.PC757 is a versatile universal LED TV "combo" mainboard frequently used in 32-inch to 55-inch smart TVs from brands like RCA, Haier, and Cyberlux. Because this board integrates the power supply, LED driver, and signal processor into a single PCB, a comprehensive service manual or repair guide is essential for diagnosing common power-on failures and firmware glitches. Quick Technical Summary Board Type: Universal Smart Android Combo Board. Application: Found in brands such as RCA and Haier. Main SoC: MSD3458 series.

Content: A service manual like this typically includes detailed information such as: tp.ms3458.pc757 service manual

4. Power Supply Section

• Power rail voltages and acceptable tolerances (example): Standby 3.3V ±5%, Main 12V ±5%, LED driver 20–40V depending on panel.
• Test points to measure each rail.
• Common failure modes: blown fuse, shorted MOSFET, failed switching controller, electrolytic capacitor aging.
• Step-by-step checks: fuse continuity → measure standby voltage → check SMPS switching → inspect electrolytics for bulging/leakage.

Where to Find the tp.ms3458.pc757 Service Manual

Official service manuals for these generic boards are rarely published by manufacturers. However, you can obtain equivalent documentation through these sources: The TP

4. Voltage Reference Table

Lists expected voltages at key test points in both standby and power‑on states. Example: Where to Find the tp