In this circuit the solar panel charges up a 3 cell nimh battery 3 6 v.
Solar panel circuit board.
Circuit diagram of solar garden light.
When these boards fail there is often visible damage to the board.
It is built around a solar lamp controller ic cl0116 ic1 a miniature solar cell a bright white led led1 and a few other components.
The control board s control the motor s connected to solar panels that allow them to adjust their angle during the day to adapt to the sun s location.
This one way valve allows current to flow from the solar panel to the battery but does not allow current to flow backwards out of the battery through the solar panel.
This repair service is for a single axis solar tracker control board manufactured by first solar that has failed or is responding erratically.
Between the two is a reverse blocking diode.