Tektronix MTG100, MTG300 A40 MISC (Power Distribution & Interface) Board

Removal and Installation Procedures
MTG100 & MTG300 MPEG Generator Service Manual 6Ć39
1. Assemble equipment and locate modules to be removed:
a. You need a screwdriver with a size Phillips #2 tip (Items 1 and 3) and a
5 mm size nut driver (Item 12).
b. Locate the modules to be removed in the locator diagram Board modules
and CPU unit, Figure 6-4, page 6-15.
2. Orient instrument: Set the MPEG generator so its bottom is down on the
work surface and its front is facing you.
3. Remove the A40 MISC (Power Distribution & Interface) Board:
a. Unplug these cables. See Figure 6-19.
The cable from the system hard disk drive at J050.
The cables from the fan at J290 and J295.
The cable to A10 Main board at J0740.
The cables from the data hard disk drives at J010 and J020.
The cables from the data hard disk drives at J015 and J025.
The cable from the system hard disk drive at the solid state disk.
The cable from A30 front panel board at J250.
The cables from LCD module at J260 and backlight board at J270.
The cable from the floppy disk drive at J280.
The cable from the LAN board at J150.
The cables from the CPU board at J100, J110, J120, J130, and J140.
The cable from the A20 Interface board at J160.
The cable from the back plane at J060.
The cables from the power supply module at J030 and J040, and
then loosen the four screws on J041 and disconnect the cables.
b. Using a screwdriver with a size Phillips #2 tip, remove the eight screws
securing the A40 MISC (Power Distribution & Interface) board to the
chassis.
c. Using a 5 mm size nut driver, remove the four binding posts securing the
SERIAL connector and VGA connector to the chassis.
d. Lift the board up and away from the chassis to complete the removal.
A40 MISC (Power
Distribution & Interface)
Board