116 Upgrade and Maintenance Manual TX120 S3
Power supply
Ê Insert the PSU into the chassis leaving a gap of about 3 cm to the rear
chassis wall (1) in figure 31.
Ê Ensure that the mounting bracket on the chassis (see circle in figure 32)
engages with the notch on the lower surface of the PSU.
Ê Slide the new PSU towards the rear of the chassis (2) in figure 31.
Figure 33: Securing the PSU
Ê Secure the PSU to the chassis with four screws (M3 x 4.5 mm, see circles).