Repair & Schematics
Neo Geo AES
CXA Video Encoder (Neo Geo AES)
2min
The video encoding for generating composite and RGB video data from the LSPC chip is the CXA1145 video encoder.
The CXA1145 is a super common encoder found on many retro consoles.
![CXA1145 Schematic CXA1145 Schematic](https://images.archbee.com/9EnOacbhz7Zqgrsars4GT/SnuPZgI0TYY4re_SSUV7j_video-encoder-schematic.jpg?format=webp)
CXA1145 Schematic
īģŋ
Look for it near the AV port on your Neo Geo, and here are the pinouts.
![Document image Document image](https://images.archbee.com/9EnOacbhz7Zqgrsars4GT/eOLnF9cepIV5ZTmdQ6s4B_cxa1145-pinout.jpg?format=webp)
īģŋ
![AV Pinout AV Pinout](https://images.archbee.com/9EnOacbhz7Zqgrsars4GT/Mab2MrRhCTjuD2kOE4qLy_av-port-pinout-pcb.jpg?format=webp)
AV Pinout
īģŋ
The CXA1145 slightly amplifies the input RGB signals by around 40%. As an example, a blue in signal pulsing at 0.66V will output at 0.93V.
Updated 01 Oct 2023
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