View source for CD-ANA-2 board

[[File:cd-ana-2.jpg|thumb]]

The CD-ANA-2 board is the audio, video and power board for the front-loading NeoGeo CD. It was later modified and named [[NEO-CDA_board|NEO-CDA]] in top-loading systems.

=Audio part=

CN5 provides digital and analog audio from {{Chipname|YM2610}}. CN10 provides I2S digital audio from the [[CD drive]].

MONO goes to the [[video encoder]] for amplification and output to the DIN connector.

[[File:Cd-ana-2 audio schem.png|800px]]

=ON button part=

The circuit is a fairly complex toggle switch with power-on reset and debouncing.

POWER is constantly at 5V when the power plug is connected.

VCC goes to 5V when STARTUP goes low.


[[File:Cd-ana-2_schematic.png]]

[[Category:CD systems]]