COMPONENTS TESTING
Driver Board Replacement
1. Remove power from the unit and wait 2 minutes for capacitor bleed off before removing leads or handling the Driver board.
2. Remove front panel.
3. Disconnect electrical connections and tag wires.
4. Remove 4 9/64 allen head bolts.
5. Tap from the back to dislodge the board.
Caution: when reinstalling bolts use hand tools and hand tighten. Cross
threading the bolts may cause the need for high level repairs.
6. Install new board into unit.
Figure 614 (Driver Board)
98