Ensure the main power source is completely disconnected and locked out before exposing internal terminals.
Sensor 1 Pressure Value (32-bit IEEE 754 Float, scaled in PSI or kPa)
: Found in models ranging from 40" to 65" UHD TVs.
The is a 4K "three-in-one" main board and power supply unit commonly used in various LED television brands, including RCA , Proscan , Avera , Haier , and Continental Edison . Because it integrates the main logic board, LED driver, and power supply into a single PCB, a "service manual" for this specific board typically consists of a schematic diagram and PCB layout rather than a traditional user guide. Technical Specifications
Whether you are a seasoned technician or a dedicated enthusiast, respecting the technical data provided in the TPMS-3458PC757 service manual ensures that the job is done right the first time—keeping the light off and the vehicle safe on the road. tpms3458pc757 service manual
Ensure the external antenna is positioned with a clear line of sight to the transmitting sensor matrix. Wiring Terminal Pinout Configuration Pin Number Function Description +12V to +24V DC Power Input 2 DC Power Ground Reference 3 Chassis Ground / Earth Ground 4 RS-485 Data Line A (+) 5 RS-485 Data Line B (-) 6 CAN-Bus High Line 7 CAN-Bus Low Line 8 Auxiliary Digital Input (Trigger) 9 Relay Output - Normally Open (Fault) 10 Relay Output - Common Reference
Periodically inspect the USB-C port for lint or debris. Clean carefully using compressed air and a non-metallic static-safe pick. Critical Spare Parts Reference Directory
To maintain optimal uptime, adhere to a regular cleaning schedule and use only authorized replacement components. Routine Maintenance
Today, we are taking a deep dive into the . Whether you are a professional mechanic looking for service manual specs or a DIYer trying to clear that stubborn warning light, understanding the intricacies of this specific sensor module is essential for a safe and effective repair. Ensure the main power source is completely disconnected
Locate the 3-pin JST connector on the main logic board. Gently pull the plastic connector out of its socket— do not pull on the wires directly.
Ensure the vehicle key is in the "RUN" position (engine off). Inspect the DB15 connector pins for bends.
Use this diagnostic matrix to quickly identify and resolve common hardware faults. Troubleshooting Matrix Symptom / Fault Potential Cause Recommended Corrective Action Internal system memory or firmware corruption.
Joe was stunned. "That's crazy! I had no idea. But what does it do?" Because it integrates the main logic board, LED
Choose if replacing a missing sensor, or Copy by Activation if cloning an old, readable sensor.
When looking for a replacement, You must verify that the part number printed on the green PCB matches "TP.MS3458.PC757" exactly to ensure compatibility with your specific display panel.
Clean the plastic exterior and rubber boot using a micro-fiber cloth lightly dampened with isopropyl alcohol (70%). Avoid harsh solvents.
Proper mounting and secure wiring prevent signal degradation and intermittent connectivity failures. Mounting Instructions
The is a versatile "three-in-one" 4K main board used extensively in various LED TV brands including RCA , Avera , Bolva , and iLive . Because it integrates the power supply, LED driver, and TV mainboard into a single PCB, it is a common target for DIY repairs. Service Manual & Technical Highlights