Revision:1.0(2023-01-12)
280
7.49 Power Management Board (FRU)
7.49.1 General Information
FRU Code FRU Name Lower-Level FRU
Code
Lower-Level FRU
Name
115-083601-00 Power Management
Board (FRU)
Function description:
The power management board manages battery charge and discharge. It contains charge and
discharge circuits of eight batteries. In addition, it provides the function of converting 24 VDC to
19 V for output.
7.49.2 Disassembly and Assembly
Precautions
Protect the exterior surface of the parts.
Tools Required
Crosshead screwdriver (M3)
Fixtures Required
None
Specific Steps
1. Refer to the disassembly procedures in 7.47.2 Disassembly and Assembly, 7.50.2 Disassembly
and Assembly
, and 7.48.2 Disassembly and Assembly to remove the battery box cover, battery,
and battery pack indicator board PCBA.
Diagnostic Ultrasound System
Service Manual
7 FRU Replacement