This post explains for the processor.
The Part Number is LA76931K.
The function of this semiconductor is Video and Sound Processing IC.
The package is DIP 64 Pin Type
Manufacturer: Sanyo Electric
Preview images :
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Description
This is a single-chip video and sound processor IC.
Ordering number : ENA1102A Monolithic Linear IC LA7693X Series Overview For NTSC/PAL/SECAM Color TVs Built-in CTV Microcontroller Video and Sound Processing ICs (VIF/SIF/Y/C/Deflection/CbCr IN) The LA7693X 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.
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) […]