This is one of the TV Receiver types.
Part Number: LA76931
Function: Color Television Receiver / SERVICE MANUAL
Package: DIP 64Pin
Manufacturer: Sanyo, SUSOC
See the preview image and the PDF file for more information.
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Description
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.
Features
- Integrated video, audio, and microcontroller functions
- Supports worldwide TV broadcasting systems (PAL, NTSC, SECAM)
- Reduced external component count for simplified design
- Built-in on-screen display (OSD) control capability
- Integrated synchronization and deflection signal processing
- Low power consumption with standby control support
- Improved system reliability and manufacturing efficiency
Functions
1. I2C bus control system with a built-in microcontroller
2. VIF/SIF/Y/C/Deflection/CbCr IN
3. Adjustment-free VIF/SIF
4. 1X’tal multi-system that supports all broadcasting systems
5. No VCO coil required
6. Internal sound carrier BPF, 4-system sound carrier trap
7. Digital AFT system
8. Supports EW (LA76933J, LA76938Y)
9. Supports SECAM (LA76936Y, LA76938Y)
Model: CTV-2639, CTV-2640 / Color Television Receiver Model: -SZ2（MONO） series
LA76931 Pinout ( Block Diagram )
Typical Circuit Usage
- Main signal processing IC in CRT television systems
- Integration with tuner, IF stages, and audio amplifier IC
- Control of display functions including brightness, contrast, and color
- System control via built-in microcontroller and remote interface
- Interface with deflection and synchronization circuits
How to Choose This Part
- Select for CRT TV designs requiring full integration of video and audio processing
- Suitable for multi-standard broadcast compatibility
- Ideal for cost-sensitive designs needing reduced component count
- Consider compatibility with existing tuner and display architecture
- Ensure proper SMPS design to meet system voltage requirements
Applications
- CRT color televisions
- Analog TV receiver systems
- Integrated TV chassis designs
- Consumer video display equipment
- Legacy broadcast reception systems
Alternative / Equivalent Products
- LA76930
- LA76932
- TDA9381
- TDA9351
- CXA1213
Other data sheets are available within the file: LA769317N
LA76931 Datasheet PDF Download
Similar features and reference parts
LA76931J Datasheet
LA76931K Datasheet