Ricoh D131 - Two G3 Interface Units Installation

SM 21 D619
32. Connect the harnesses between the speaker unit and the FCU/G3 ( x4, x2).
33. Reattach:
 Controller box cover (
x 13).
 Rear lower cover (
x 2).
 Rear upper cover (
x 2).
Two G3 Interface Units Installation
1. Do Steps 1 through 9 of the previous procedure.
2. Release the three clamps on the second G3 unit.
3. Remove the G3 board [A] from the second G3 interface unit [B] (
x 2).
4. Push the G3 board [A] into the edge connector of the first G3 interface unit [B] (
x1).
5. Make sure that the edge connection is secure.
6. Fasten the board from the 2nd G3 unit (
x2).