Siemens AG SPR8-230.840.01.05.02 MOBILETT XP
11.05 CS SD 24
Basic functions 59
Page 59 of 72
Medical Solutions
Fig. 23: Exposure_kVp_kVn_s
Setting the highest frequency for the main inverter (50 kHz)
• Switch off the system
• Remove the top cover and, in the case of MOBILETT XP Digital, place it on its side on a
table or similar surface (do not disconnect any cable connections)
• Remove the metal plate over board D916 For MOBILETT XP Digital, remove the CXDI
PC (laptop) and also remove the holder plate
• Oscilloscope channel 1 at D916 TP “FC2” (26) and D916 TP “GND” (1)
Oscilloscope setting: 1V/div, sweep 5 µs/div
• Move switch SW2B on D916 to 2 (service program) and switch the system on
• Select service program 7
• Use exposure switch S27 to press and hold "PREP"
• Set the resonance frequency of the main inverter via potentiometer P4 on D916 to 50
kHz +/-0.5 kHz (Fig. 24 / p. 60)
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