Lcd Assembly Removal; Removal Procedure; Interlock Connector Removal - Agilent Technologies 4339B Service Manual

LCD Assembly Removal

Removal Procedure

1. Remove the cover while referring to \Cover Removal".
2. Disconnect the two atcable assemblies and the wire assembly from the front side of the A2
board.
3. Remove the screw which fastens the cable assembly on the front side of the A3 Ammeter
Board Assembly.
4. Remove the screws which fastens the cable assembly on the left front side of the chassis.
5. Remove the side trim label from both sides of the front bezel.
6. Remove the four screws that secure the front panel bezel to the chassis from both sides.
7. Place the front panel assembly, so that the front panel faces down.
8. Remove the two screws that secure the LCD to the front panel bezel.
9. Remove the LCD assembly from the front panel bezel.

Interlock Connector Removal

Removal Procedure
1. Remove the cover while referring to \Cover Removal".
2. Disconnect the two atcable assemblies and the wire assembly from the front side of the
A2 board.
3. Remove the screw which fastens the cable assembly on the front side of the A3 Ammeter
Board Assembly.
4. Remove the screws which fastens the cable assembly on the left front side of the chassis.
5. Remove the side trim label from both sides of the front bezel.
6. Remove four screws that secure the front panel bezel to the chassis from both sides.
7. Place the front panel assembly, so that the front panel faces down.
8. Unsolder the white cable from the lug terminal for the interlock connector.
9. Unscrew the nut which fasten the Interlock connector to the front panel assembly using a
spanner from the back of the front panel bezel.
10. Unsolder the cables from the the interlock connector.
11. Remove the Interlock connector.
Note When soldering the cable assemblies to the Interlock connector, refer to
Figure 3-2 for connection assignment between the connector pins and wire
color.
3-14 Assembly Replacement