4 Replacement Procedures 4.10 Sound/FIR Board
TECRA 9100 Maintenance Manual (960-347) 4-42
Installing the Sound/FIR Board
To install the sound/FIR board, follow the steps below and refer to figures 4-25 and 4-26.
1. Connect the microphone cable to PJ1003 on the sound/FIR board.
2. Connect the sound cable to PJ1000 and PJ1001 on the sound/FIR board. Make
sure PJ1000 and PJ1001 are firmly connected.
3. Set the sound/FIR board, making sure that the microphone is in position.
4. Secure the sound/FIR board with two M2.5×4 screws.
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