Simplifies the board to reduce manufacturing labor, featuring only about 3 adjustment points and a different audio amplifier.
However, the radio community is resourceful. Through collective effort, hobbyists have reverse-engineered large portions of the D-808’s circuitry. xhdata d-808 schematic
is not publicly released by the manufacturer, the radio's design is well-documented by the hobbyist community due to its use of standard integrated circuits. Core Circuit Architecture XHDATA D-808 xhdata d-808 schematic
: The radio uses a DW01A (IC2) and an 82015A MOSFET (IC1) for overcharge protection, while a TP4056 (U2) manages the 400mA charging for the 18650 Li-ion battery. xhdata d-808 schematic