TDA8354Q pin function and maintenance data reference description
TDA8354Q Pin Function and Maintenance Data Reference Description
This document provides a detailed reference for the pin functions and maintenance data of the TDA8354Q, a commonly used integrated circuit in television and display systems. Understanding its pin configuration and electrical characteristics is essential for troubleshooting and repair.
The following table lists the pin numbers, voltage readings, resistance values measured with a multimeter (red and black probes), and their corresponding function descriptions:
| Foot Number | Voltage / V | Red Pen Test KΩ | Black Pen Test KΩ | Function Description |
| 1 | 0 | 4.5 | 4.5 | Field Protection Output |
| 2 | 7.5 / lower sweep line | 8.8 | 11 | Measuring Resistance Input |
| 3 | 9 full screen retrace | 8.5 | 11 | Conversion Resistance Input |
| 4 | 15 | 0.4 | 0.5 | Field Power Supply B |
| 5 | 7.5 | 7.2 | 9 | Field Output B |
| 6 | 0 | 0 | 0 | Ground |
| 7 | 47 | 5.2 | 38 | Field Reverse Power Supply |
| 8 | 0 | 0 | 0 | Ground |
| 9 | 7.5 | 7.2 | 9.5 | Field Output A |
| 10 | 15 | 0.4 | 0.5 | Field Power Supply A |
| 11 | 1.3 | 0 | 12 | Field Excitation Negative Phase Input |
| 12 | 1.3 | 9 | 12 | Field Excitation Positive Phase Input |
| 13 | 7.8 | 10.2 | 14 | Damping Resistor Current Compensation Input |
This information is particularly useful for technicians and engineers working on TV circuits or similar display technologies. It helps identify potential issues such as faulty components, incorrect voltages, or improper connections at the pin level. Always ensure proper safety measures are taken when handling electronic components and using testing equipment.
Withstand high voltage up to 750V (IEC/EN standard)
UL 94V-2 or UL 94V-0 flame retardant housing
Anti-falling screws
Optional wire protection
1~12 poles, dividable as requested
Maximum wiring capacity of 4 mm2
Feed Through Terminal Block,T12 Series Terminal Blocks,Terminal Strips Connector,Cable Connectors Block
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