Extracts audio intermediate frequency (AIF) signals for standard mono, stereo, or bilingual broadcasts (NICAM/A2).
The component is specified for operation in a wide temperature range, making it suitable for high-heat environments inside consumer electronics.
The VCT49X3F PY F1000 is a frequent point of failure in vintage electronics due to thermal stress. Technicians often encounter the following symptoms related to this IC: 1. No Display / Raster with Normal Audio
Package type identifier, typically pointing to a high-pin-count Plastic Quad Flatpack (PQFP) designed for surface-mount technology (SMT).
Supported by an external 20.25 MHz quartz crystal oscillator. Common Fault Diagnostics and Troubleshooting vct49x3f py f1000 datasheet
Source from online component distributors like Alibaba, Utsource, BonChip, or find used/refurbished parts on eBay . Your best bet is often buying a replacement mainboard .
In the world of precision electronics, component part numbers are the DNA of functionality. For engineers, procurement specialists, and hobbyists, the string represents a specific search for a technical datasheet. While this exact code does not appear in standard mainstream databases (e.g., from Texas Instruments, Analog Devices, or Murata) at the time of writing, it follows patterns typical of voltage-controlled oscillators (VCOs) , temperature-compensated crystal oscillators (TCXOs) , or custom ASIC timing modules .
The VCT49X3F PY F1000 is a highly integrated, single-chip video and audio processor designed by Micronas (now TDK-Micronas). It belongs to the renowned VCT (Video Compact Television) family. This integrated circuit (IC) was widely adopted by major television manufacturers, including Samsung, LG, and Sony, to power their cathode-ray tube (CRT) and early-generation flat-panel displays.
Acts as a cornerstone for next-generation infrastructure, providing the high-speed signal transmission required for modern communication networks. 4. Procurement & Integration If you'd like
The VCT49X series was engineered to reduce the Bill of Materials (BOM) for television manufacturers by eliminating the need for separate video decoders, audio processors, and microcontrollers. The architecture is split into three core subsystems:
Since the part is long obsolete, your best options for sourcing it are:
Plastic Metric Quad Flat Pack (MQFP) or Dual-in-Line (PSDIP) package, typically featuring 88 or more pins depending on the specific revision layout.
The chip acts as the central brain for video signal management. It includes high-speed analog-to-digital converters (ADCs) to receive analog signals and sophisticated digital filters to process them for display. 2. Multi-Standard Support older-generation video equipment market.
Designed for global compatibility, the VCT49X3F typically supports multiple video standards, including PAL, SECAM, and NTSC, allowing for broad geographic application. 3. Integrated Controller
Integrates high-speed analog-to-digital converters (ADCs) that support PAL, NSECAM, and NTSC video standards.
Integrated ROM/Flash for firmware storage and RAM for data processing.
Minimizes cross-color and cross-luminance artifacts, ensuring sharp edge definitions and clean color transitions.
remains a vital chip in the, now, older-generation video equipment market. If you'd like, I can: Help you find a with stock. Try to find pinout diagrams if you're working on a repair.
| Parameter | Min | Typ | Max | Unit | | :--- | :--- | :--- | :--- | :--- | | Tuning Voltage | 0.5 | - | 4.5 | V | | Tuning Sensitivity (Kv) | 80 | 100 | 120 | MHz/V | | Output Phase Noise @ 1 kHz | - | -85 | - | dBc/Hz | | Output Phase Noise @ 10 kHz | - | -95 | - | dBc/Hz | | Harmonic Suppression (2nd) | - | -15 | - | dBc | | Start-up Time | - | 1 | 2 | ms |