Agilent Technologies Infinium DCA 86100A, Service Manual, Page: 145 / 268

7-13
Replacing Instrument Assemblies
To Replace the Batteries
To Replace the Batteries
The 86100A/B/C uses two batteries, one on the A4 PC Motherboard and one on the A6 Scope
Interface Assembly.
To replace the A6 assembly battery
1 Follow procedures to remove the instrument cover, PCI bracket (86100C only), instrument
support bar (86100A only). For help removing the A6 Scope Interface Assembly, refer to “To
Replace the A4 PC Motherboard” on page 7-24 .
2 Disconnect W5 and W13 from the A6 Scope Interface Board Assembly.
3 Remove the A6 assembly.
N O T E The battery, Agilent Part Number 1420-0390, is soldered to the A6 board assembly.
4 Using an approved workstation, remove the old battery and replace it with a new one.
N O T E Do not throw batteries away but collect as small chemical waste.
WA R N I N G Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent
type recommended. Discard used batteries according to manufacturer’s instructions.
To replace the A4 assembly battery
It is not possible to replace the battery in the 86100A PC Motherboard. Instead replace the A4
PC Motherboard. The 86100B and 86100C use a replaceable Lithium 3V battery, Agilent part
number 1420-0356. To replace the battery on the A4 motherboard, follow the procedure below:
1 Remove the instrument cover and PCI bracket (86100C only). Refer to “To Replace the A4 PC
Motherboard” on page 7-24 .
2 Remove the A6 Scope Interface Board Assembly and A5 Display Adapter Board Assembly as a
unit. It is not necessary to remove any of the cables.
3 Place both assemblies on a soft antistatic surface, being careful not to damage the board
assemblies.
4 Use a flat-edge tool to gently push on the retaining clip. The battery should pop up.
5 Remove the battery and dispose of it properly.
6 To install a new battery, carefully place the battery on the holder and push down. The battery
should seat itself. Make sure that it is seated in its carrier.