GE Voluson 730Pro - Disk Drive Module (GEM); Fuses Inside CPN80; Fuses on CPE-Board for Disk Drive Module (GEM); Fuses on Rear Panel (CPN80)

GE MEDICAL SYSTEMS - KRETZTECHNIK DRAFT VOLUSON® 730PRO / 730PROV (BT´04)
D
IRECTION KTI105947, REVISION 2 SERVICE MANUAL
Chapter 5 - Components and Functions (Theory) 5-45
5-11-2-3 Fuses on Rear Panel (CPN80)
F1 + F2: The main Input voltage is fused by two 16 Ampere fuses (rated current 16A) labeled F1 and F2.
F3: The AC Output voltage (115/230V) is fused by either:
• a 1.6 Ampere / 250V fuse for auxiliary output voltage 230 VAC
• a 3.2 Ampere / 250V fuse for auxiliary output voltage 115 VAC
F4: 16 Ampere fuse for the input voltage for the switching power supply generating the DC-Supply
voltage for the Secondary power supply inside GEF-Module
5-11-2-4 Fuses inside CPN80
F1 on CCF board: fuses the surge current limiter circuit.
NOTE: If this fuse is blown, the NTC (limiting the surge current will remain hot during system operation
and if the system is switched off/on within a few seconds the surge current could be to high.
Because of this reason Fuse F1 on CPN Rear Panel or the Hospital circuit fuse could be blown.
5-11-3 Disk Drive Module (GEM)
The check points for the drives voltages can be found at the AUX Supply connector (= GEM Power
connector) on Backpanel of GEF-Box; see: Section 7-3 "Check Points Voltages" on page 7-4.
• MO drive is supplied by +5V only
• DVD/CD drive is supplied by both +5V and +12 V
• Fan on the GEM module needs only 12 V power.
5-11-3-1 Fuses on CPE-Board for Disk Drive Module (GEM)
Description of fuses: 5A / 250V / slow-blow fuse / 5 x 20 mm
Figure 5-28 Fuses of CPN80
Figure 5-29 fuses for disk drives
F1
F2
+12V
+5V