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 :
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.
• 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) […]