LA76938Y PDF – Video and Sound Processor IC

Part Number: LA76938Y

Function: Video and Sound Processor IC

Package: DIP 64S Type

Manufacturer: Sanyo Electric

Images:LA76938Y pdf sanyo


This is single-chip video and sound processor IC. The LA76938Y series is a single-chip video and sound processor IC with a built-in microcontroller that supports all of the different worldwide broadcasting systems. The IC provides fully integrated solution to rationalize the design of color TV sets, increase productivity, and reduce total costs.

1. Video Processor ICs: Video processing ICs are responsible for tasks such as demodulating the incoming video signal, separating the color information, and generating the RGB (red, green, blue) signals required to display the image on the screen. Some popular video processor ICs used in color TVs include TDA series ICs from manufacturers like STMicroelectronics and various ICs from companies like Sony and Panasonic.

2. Sound Processor ICs: Sound processing ICs handle the audio signals in a color TV. They decode the audio signal, amplify it, and provide the necessary audio output to the TV’s speakers. Common ICs used for sound processing in TVs include those from manufacturers like NXP, ON Semiconductor, and Toshiba.

Functions :

• I2C bus control system with a built-in microcontroller

• VIF/SIF/Y/C/Deflection/CbCr IN

• Adjustment-free VIF/SIF

• 1X’tal multi-system that supports all broadcasting systems

• No VCO coil required

• Internal sound carrier BPF, 4-system sound carrier trap

• Digital AFT system

• Supports EW (LA76933J, LA76938Y)

• Supports SECAM (LA76936Y, LA76938Y) […]

LA76938Y datasheet

LA76938Y PDF Datasheet

MST703 PDF Datasheet – Small Size LCD TV Processor

This post explains for the TV Processor. It is designed to process video signals from different sources, such as HDMI, VGA, and composite, and display them on the screen.

The Part Number is MST703.

The function of this semiconductor is Small Size LCD TV Processor.

The package is LQFP 100-pin Type

Manufacturer: Master Semicondcutor

Preview images :

MST703 pdf processor



The MST703 is a high quality ASIC for NTSC/PAL/SECAM car TV application. It receives analog NTSC/PAL/SECAM CVBS and S-Video inputs from TV tuners, DVD or VCR sources, including weak and distorted signals, as well as analog YCbCr input from HDTV/SDTV systems. Automatic gain control (AGC) and 10-bit 3-channel A/D converters provide high resolution video quantization. With automatic video source and mode detection, users can easily switch and adjust variety of signal sources. Multiple internal adaptive PLLs precisely extract pixel clock from video source and perform sharp color demodulation.

One of the strengths of the MST703 chip is its versatility and compatibility with a wide range of display panels and video sources. It is also known for its low power consumption and high performance. However, like any electronic component, it has some limitations and may not be suitable for all applications.


MST703 pinout datasheet

1. Video Decoder

(1) Supports NTSC, PAL and SECAM video input formats

(2) 2D NTSC and PAL comb-filter for Y/C separation of CVBS input

(3) Multiple CVBS and S-video inputs

(4) ACC, AGC, and DCGC (Digital Chroma Gain Control)

2. Analog Input

(1) Supports RGB input format from PC, camcorders and GPS

(2) Supports YCbCr inputs from conventional video source and HDTV

MST703 PDF Datasheet