7-14
Service Guide E8364-90026
Repair and Replacement Procedures
PNA Series Microwave Network Analyzers
Removing and Replacing the Display Inverter Board and the Display Lamp
E8362B, E8363B, E8364B
Removing and Replacing the Display Inverter Board and
the Display Lamp
Tools Required
• T-10 TORX driver (set to 9 in-lb)
• T-20 TORX driver (set to 21 in-lb)
• Small jeweler’s screwdriver
• 5/16-inch open-end torque wrench (set to 10 in-lb)
• ESD grounding wrist strap
Pre-removal Procedure
1. Disconnect the power cord.
2. Remove the front panel assembly. Refer to
“Removing and Replacing the Front Panel
3. Remove the display assembly. Refer to
“Removing the A2 Display Assembly” on page
.
Removing the Display Inverter Board
Refer to
for this procedure.
1. Disconnect the ribbon cable (item
①
) and the display lamp cable (item
②
) from the
display inverter board.
2. Lift the inverter retention tabs (item
③
) with slight pressure and rotate the display
inverter board (item
④
).
3. Lift the display inverter board (item
④
) out of the slot.
NOTE
Stop now if you are only removing the display inverter board. Replace the
board and reverse the removal procedure.
Removing the Display Lamp
Refer to
for this procedure.
1. Remove the display lamp cable (item
②
) from the display inverter board (item
④
).
2. With a T-10 TORX driver, remove the four screws (item
⑤
) on the display back panel
and then lift the panel off.
3. Remove the four display bumpers (item
⑥
).
4. To gain access to the display lamp, rotate the top of the display outward slightly.
Summary of Contents for E8362B
Page 11: ...Service Guide E8364 90026 1 1 1 Safety and Regulatory Information ...
Page 19: ...Service Guide E8364 90026 2 1 2 General Product Information ...
Page 33: ...Service Guide E8364 90026 3 1 3 Tests and Adjustments ...
Page 83: ...Service Guide E8364 90026 4 1 4 Troubleshooting ...
Page 151: ...Service Guide E8364 90026 5 1 5 Theory of Operation ...
Page 185: ...Service Guide E8364 90026 6 1 6 Replaceable Parts ...
Page 269: ...Service Guide E8364 90026 7 1 7 Repair and Replacement Procedures ...
Page 351: ...Service Guide E8364 90026 8 1 8 General Purpose Maintenance Procedures ...