Agilent Technologies E8362C Service Manual page 270

Repair and Replacement Procedures
Removing and Replacing Front Panel Subassemblies
Replacing the USB Connector Board
1. Remove the two retaining screws (item
2. Carefully unplug the USB connector board from the A3 front panel interface board and remove it from the
front panel assembly
3. Install the new USB controller board by reversing the removal instructions.
4. Perform the post-repair adjustments, verifications, and performance tests that pertain to this
replacement procedure. Refer to
Replacing the A3 Front Panel Interface Board
1. Remove the round knob (RPG) from the front panel by gently pulling the knob forward.
2. Disconnect the inverter cable (item
3. Disconnect the touch screen controller cable (item
4. Remove the USB connector board. Refer to previous procedure.
5. Remove the nine retaining screws (item
6. Remove the A3 front panel interface board from the front panel assembly.
7. Note how the A1 keypad assembly is attached to the A3 front panel interface board to aid in installing it
on the new A3 front panel interface board.
8. Carefully remove the A1 keypad assembly from the A3 front panel interface board.
9. Install the A1 keypad assembly on the new A3 front panel interface board.
10. Reinstall the A3 front panel interface board by removing the removal instructions.
11. Perform the post-repair adjustments, verifications, and performance tests that pertain to this
replacement procedure. Refer to
Replacing the A1 Keypad Assembly
1. Remove the A3 front panel interface board as instructed above.
2. Note how the A1 keypad assembly is attached to the A3 front panel interface board to aid in installing
the new one.
3. Carefully remove the A1 keypad assembly from the A3 front panel interface board.
4. Install the new A1 keypad assembly on the A3 front panel interface board.
5. Reinstall the A3 front panel interface board by reversing the removal instructions.
6. Perform the post-repair adjustments, verifications, and performance tests that pertain to this
replacement procedure. Refer to
7-14
⑩
) from the USB connector board.
Table 7-2 on page 7-82.
③
) from the A3 front panel interface board.
⑥
) from the A3 front panel interface board.
) from the A3 front panel interface board.
11
Table 7-2 on page 7-82.
Table 7-2 on page 7-82.
PNA Series Microwave Network Analyzers
E8362C, E8363C, E8364C
Service Guide E8364-90038