Overview
The DS200TCQCG1BGK is a General Electric (GE) printed circuit board associated with the Mark V turbine control system. Identified as a TCQC RST Overflow Board, it is also described in Mark V technical references as an Analog I/O Expander Board. Its hardware configuration includes 24 jumpers, three 40-pin connectors, three 34-pin connectors, and one 16-pin connector.
Hardware Configuration
The board provides multiple connector interfaces for internal signal connections within the Mark V control system. In addition, its 24 jumpers allow hardware configuration according to the board’s assigned function. Test points also provide access for electrical checks during troubleshooting.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCQCG1BGK |
| Brand | General Electric (GE) |
| Series | Mark V |
| Functional Acronym | TCQC |
| Product Type | RST Overflow Board |
| Alternative Description | Analog I/O Expander Board |
| Number of Jumpers | 24 |
| 40-Pin Connectors | 3 (JFF, JE, 6PL) |
| 34-Pin Connectors | 3 |
| 16-Pin Connectors | 1 (JC) |
| Test Points | Provided for troubleshooting |
Connector and Jumper Details
The board has seven connectors in total. The three 40-pin connectors are identified as JFF, JE, and 6PL, while the 16-pin connector carries the identifier JC. Furthermore, the three 34-pin connectors provide additional board-level connection points.
The 24 jumpers are hardware configuration components. Their positions should be checked against the correct board configuration before replacement or maintenance. Therefore, technicians should record the original jumper positions before making changes.
Troubleshooting and Maintenance
Test points provide locations for electrical measurements when technicians investigate board faults or unexpected operating results. For example, they can help identify abnormal signal conditions during circuit inspection. Meanwhile, checking connector seating and jumper positions can help identify configuration or connection issues.
Frequently Asked Questions
Q: What is the function of the GE DS200TCQCG1BGK?
A: It is a Mark V TCQC RST Overflow Board, also described as an Analog I/O Expander Board in technical references.
Q: How many connectors does this board have?
A: It has seven connectors: three 40-pin connectors, three 34-pin connectors, and one 16-pin connector.
Q: What should technicians check when replacing this board?
A: Check the complete part number, connector positions, and jumper configuration. In addition, compare the original board layout before reconnecting cables or changing jumper positions.













