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Removal and Replacement Procedures
AM700 Audio Measurement Set Service Manual
6–63
1. Remove the DSP (A7) and CPU (A6) boards.
2. Disconnect all cables connected to the Digital Audio board.
CONNECTORS:
J31 Ribbon cable connector at right side near rear of board
J30 Power connector at right side of board
J32 Ribbon cable connector at right side near front of board
J27 Ribbon cable connector at left side near rear of board
J29 Ribbon cable connector at left side of board
J27
J29
J32
J30
J31
Figure 6–27: Digital audio board connector locations
3. Two screws located near the rear panel hold the board down. Remove the
screws.
4. Slide the board approximately 1/8-inch towards the front of the instrument,
and lift it up and over the plastic latches.
Reverse the procedure to install the board.
5. Position the Digital Audio board to align the holes in the board with the
plastic board latches.
6. Lower the board to the bottom of the latches and slide the board back toward
the rear of the AM700 to catch the board in the slots on the bottom of the
plastic board latches.
7. Reinstall the two hold down screws in the rear of the circuit board.
8. Reconnect the connectors that were disconnected in step 2.
Digital Audio (A3)
Removal/Replacement