R&S FSH  Module Replacement 
1145.5973.82 3.7  E-11 
Module Replacement 
This section describes the service concept and contains the spare parts list and the basic documents for 
the R&S FSH instrument. 
Note:  The numbers indicated in brackets refer to items in the mechanical exploded drawings. 
 
Note:  The words “left” and “right” in the manual always refer to the front view of the instrument. 
Caution!
Wrist strap with cord
Building ground
Floor mat
Ground connection
of operational site
Heel strap
• Please pay close attention to the safety instructions in 
the front section of this manual. 
• Disconnect the power connector from the instrument 
before opening the case. 
• Safeguard the replacement site against electrostatic 
discharge to prevent damage to electronic components 
of the modules. 
• The following two methods of ESD protection can be 
used together or separately: 
- Wrist strap with cord to ground connection 
- Conductive floor mat and heel strap combination