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Removal and Replacement Procedures
AM700 Audio Measurement Set Service Manual
6–69
1. Place the AM700 bottom down.
2. Disconnect the ribbon cable (at J1) from the DSP board.
3. Remove the seven screws securing the board with a T-15 Torx screwdriver.
See Figure 6–32 for screw locations.
J300
J1
Figure 6–32: Retaining screw locations for DSP (A7) circuit board
4. Lift the DSP board away from the the CPU board to disconnect the
interboard connector, J300, from J36 on the CPU board.
Reverse the procedure to install the DSP board.
1. Remove the two screws holding front-panel trim ring to the instrument using
a crosstip, P1 tip, screwdriver.
CAUTION. Use care not to damage the door to the disk drive when removing the
trim ring. Make sure the disk drive door is not caught in the slot in the trim ring
for the disk drive as you remove the trim ring.
2. Pull the bottom of the ring out away from the face of the instrument. Then
lift it slightly to clear the top of the chassis casting and remove the ring from
the instrument.
3. Push out on the top of the Front Panel assembly to release it from the chassis
casting.
DSP (A7)
Removal/Replacement
Front Panel (A9)
Removal/Replacement