Removal and Installation Procedures
MTG100 & MTG300 MPEG Generator Service Manual 6Ć41
This procedure describes how to remove these circuit boards contained in the
CPU unit:
CPU Board
A20 Interface Board
LAN Board
Backplane
1. Assemble equipment and locate modules to be removed:
a. You need a screwdriver with a size Phillips #2 tip (Items 1 and 3).
b. Locate the modules to be removed in the locator diagram, Board
modules and CPU unit, in Figure 6-4, page 6-15.
2. Orient the instrument: Set the MPEG generator so its bottom is down on the
work surface and the right side facing you.
3. Remove the CPU unit: See Figure 6-20.
a. Remove the A10 Main board as described on page 6-37.
b. Unplug the cables from J60, J100, J110, J120, J130, J140, J150, and
J160 on the A40 MISC (Power Distribution & Interface) board.
c. Remove the four screws securing the CPU unit to the chassis.
d. Lift the CPU unit up away from the main chassis.
CPU Unit