Replaceable Parts

Assembly and Disassembly Guidelines

Removing the A4 Comms Assembly

1.Remove the A2 processor, A5 daughter and A6 measurement assemblies as shown on page 5-10 and page 5-12.

2.Disconnect the line power module from the A1 power supply and the chassis.

3.Disconnect the earth wire screw. (When replacing this screw use a 9 lb/in T15 screw driver.)

4.Remove the two screws on the underside of the deck assembly. Remove the assembly by sliding forward and tilting up from the rear (when replacing these screws use a 21 lb/in T15 screw driver).

screws

5.Unscrew the GP-IB and RS232/422 connectors from the rear panel. (When replacing these screws use a 6 lb/in 9/32 in socket.)

6.Disconnect the Recorder cable for channel A from J23 pins 1,2,3. Disconnect the Recorder cable for channel B from J23 pins 4,5,6.

7.Lift the A4 Comms assembly from the two standoffs and slide it out.

Agilent E4418B/E4419B Service Guide

5-11

Page 95
Image 95
Agilent Technologies e4419b, e4418b manual Removing the A4 Comms Assembly