Product Description

The GE Common DC Bus Regenerative Board DS200GSIAG1BBB contains three 40-pin connectors, two 16-pin connectors, and 6 jumpers. The board also has 1 8-pin connector, and multiple test points. All the jumpers on the board are identified  with a series of letters and numbers printed on the board. All jumper identifiers begin with the letters JP. For example, JP1, JP2, and JP3. The one LED on the board begins with the letters CR. These are standard codes used throughout industry. The test point identifiers begin with the letters TP. Place the board on a flat surface with a static protective surface under the board.

The test points are bare metal spears that you connect to a tester, or touch with a probe. Make sure the probe is compatible with the testing device and is functional.  Make sure the tester is calibrated correctly and that the controls on the device are set for the test being performed.

The test points are useful when the board is not behaving as expected and a servicer is attempting to pinpoint the defective circuit. The board must be removed from the drive to use the test points. One method is to install a replacement board in the drive and if the problem is resolved, you know the board is defective. Next, use the test points to test the circuits and components on the board and if possible, have the board repaired. In that way, you have a readily available replacement board, if a replacement board is required.