Keysight N5224B/25B Service Guide 7-11
Repair and Replacement Procedures
Removing and Replacing the A1–A3 and Other Front Panel Subassemblies
Removing and Replacing the A1–A3 and Other Front Panel
Subassemblies
Tools Required
— T-6 TORX driver (set to 3 in-lb)
— T-8 TORX driver (set to 8 in-lb)
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— 5/16 inch open-end torque wrench (set to 9 in-lb)
— 5/16 inch open-end torque wrench (set to 10 in-lb)
— 11 mm socket wrench (set to 9 in-lb)
— ESD grounding wrist strap
Refer to
,
for the following procedures.
Pre-removal Procedure
1.
Disconnect the power cord.
2.
Remove the front panel assembly. Refer to
Front Panel Assembly” on page 7-9
.
Removing the RPG Assembly
1.
Remove the round knob (RPG) from the front panel by gently pulling the
knob forward.
2.
Disconnect the RPG to Interface board cable (item [24]).
3.
With the 11 mm socket wrench, remove the RPG board’s washer and hex
nut.
4.
Remove RPG assembly from the interface board.
Removing the A2 USB Board
1.
Remove the five retaining screws (item
) from the USB board and unplug
it from the A1 front panel interface board.
Removing the A1 Front Panel Interface Board and Keypad Assembly
1.
Remove the A2 USB board as outlined above.
2.
Remove the RPG assembly as outlined above.
3.
Disconnect the following cables from the A1 front panel interface board:
tape (item [14]) from connector and the LCD display to interface board
cable (item [18]), LED driver board (backlight converter board) to interface
Содержание N5224B
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Страница 212: ...5 50 Keysight N5224B 25B Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 17 4 Port Receiver Group...
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Страница 608: ...8 102 Keysight N5224B 25B Service Guide General Purpose Maintenance Procedures Correction Constants 8...
Страница 612: ...Appendix 4 Service Guide EEPROM Address Assignments and Location N5224 5A B PNA and N5244 5A B PNA X Instruments...
Страница 613: ...Installation Note Xxxxx xxxxx 3...