Removing The A12 Motherboard; Motherboard Removal - HP 8133A Service Manual

Removing the A12 motherboard

5-18 Replacing Assemblies
connects t o A 3 MPU assembly
in all instruments
connects to A14 main power supply
assembly, in all instruments
(cutaway)
Figure
5-20. A12
1. The A2 and A12 assemblies together form the Motherboard, the
assemblies are connected through the card cage wall by a pin
connector. This connector is removable.
2. Remove screws 1 to
4,
can then be freed of its through wall connector and lifted out.
3. Remove the A2 and A12 pin connector by unscrewing its four
securing screws and lifting it out.
- - - - -
A12 Motherboard
position of removable through

Motherboard removal

shown in Figure 5-20. The A12 motherboard
1
3
wall
connector