Logic Board; Relay And Power Boards - GE PT920 Technical Service Manual

Logic Board

To remove the logic board on single or double
ovens:
1. Gain access to the control compartment. (See
Control Compartment Access
2. Mark and disconnect the wires from the logic
board.
3. Remove the 4 hex-head screws from the logic
board.
.)
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Relay and Power Boards

The relay board and the power board in the single
and upper ovens are located in the right side of the
control compartment and are accessed through the
control compartment.
To remove the relay board (single or top oven):
1. Access the control compartment. (See
Component Compartment Access
2. Disconnect, from the logic board, the 3 wire
harnesses and the ground wire leading into the
control compartment. Remove the control panel
and set it aside on a protected surface.
3. Remove the two 1/4-in. hex-head screws from
the relay and power board tray.
4. Remove the four 1/4-in. hex-head screws (2 on
each side) from the vent trim and remove the
vent trim.
.)
(Continued next page)