Keysight Technologies InfiniVision 6000L Series, Руководство по обслуживанию

Страница: 77 / 100

Replacing 6000L Assemblies
5
6000L Series Oscilloscopes Service Guide 77
6 Using a 9/23-inch hex driver, remove the two hex standoffs and washers from
the GPIB connector
7 Using a T10 Torx driver, remove the 5 screws that hold the system board to the
deck.
8 Remove the system board
a Lift the back of the board to clear the chassis.
b Gently pull the board out until you can disconnect the power supply cable.
c Continue to remove the board from the chassis.
CAUTION
To avoid tearing the thermal pads on a 500 MHz oscilloscope when removing or installing
the system board, hold the board up, away from the thermal pads until all components are
clear.
Figure 17 Avoid damage to thermal pads (500 MHz models only)
ICs
Thermal
Pads
NOTE
If the battery on the system board needs to be replaced, use a CR2477/1HF or CR2477/HFN
3V manganese dioxide lithium battery.