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Removal and Replacement Procedures
AM700 Audio Measurement Set Service Manual
6–73
1. Remove the front panel trim ring and the Front-Panel assembly. See the
previous Front Panel Removal/Replacement procedure for those instructions.
2. Remove the four T-10 Posidrive screws holding the touch screen to the
mounting brackets that are attached to the front casting.
3. Do not touch the rear surface of the touch screen. Keep it clean of finger-
prints and dirt for reinstallation.
4. To reinstall the Touch Screen, line up the screw holes in the Touch Screen
mounting bracket with the holes in the mounting brackets on the front-panel
casting.
5. Loosely install all four T-10 Posidrive screws, then press firmly on each
corner of the Touch Screen and tighten each screw so that the Touch Screen
is firmly against the back of the slotted alignment holes in the mounting
bracket. Then tighten each screw snugly.
6. Reinstall the Front Panel, XLR bezel, and trim ring. Refer to the Front Panel
Removal/Replacement procedure to complete the installation.
1. Remove the DSP board (A7), the Main/CPU board (A6), and the Digital
Audio board (A3) (see the removal procedures for each of those boards).
2. Twelve T-15 screws hold the cover plate to the top of the power supply
compartment and the display monitor as shown in Figure 6–37. Remove
these screws.
3. Slide the cover back a little and lift it away from the instrument. Thread the
ribbon cable from the display monitor through the access hole as the cover is
separated from the chassis.
4. Remove the Front Panel board (A9), and the touch screen (see the removal
procedures for this board and the touch screen).
5. Disconnect the Fan lead, J11, from the Power Supply board and pull the lead
out of the way for the remainder of the removal process.
6. Disconnect the CRT socket connector, the four-wire deflection yoke
connector (P4), and the two-wire Trace Rotation coil connector (P7).
7. Remove the four T15 Torx screws holding the CRT in the front-panel
casting.
Touch Screen
Removal/Replacement for
CRT Display Instruments
CRT Picture Monitor
Assembly (A10)
Removal/Replacement