Assembly Removal And; Rear Panel Assembly; Power Supply Assembly - HP 54501A Service Manual

MP 54001A SERVICE
6-17. ASSEMBLY REMOVAL AND INSTALLATION
This section contains the procedures for removal and installation of the oscilloscope system board,
CRT monitor, power supply, fan and keyboard assemblies.
Read the Safety Summary at the
front of this manual before servicing the instrument.
6-22
WARNING
Hazardous voltages exist on the power
supply, the CRT assembly, and the dis-
play sweep board. To avoid electrical
shock, the following procedures should
be closely adhered to . Wait at least
three minutes for the capacitors on the
power supply and sweep boards to dis-
charge before servicing this instrument .
6-18 . Removal and Replacement of Rear Panel Assembly
1 .
Disconnect power cable .
CAUTION
Never remove or install any circuit board
with the instrument power ON .
Component damage may occur .
2.
Remove the six screws from top and the two screws from each side of the instrument with
TORXO 10 screwdriver .
3 .
Lift top cover off .
4.
5.
6.
7.
Detach line filter cable, W7, from power supply .
Remove the eight screws from the rear panel with TORXe 15 screwdriver .
Remove rear panel from instrument cabinent .
Replace rear panel by reversing this procedure .
6-19. Removal and Replacement of Power Supply Assembly
1 .
Disconnect power cable.
2 .
Remove the six screws from
with TORX® 10 screwdriver .
3 .
Lift top cover off.
top and the two screws from each side of instrument cabinet
4.
Remove cable W1 attaching power supply to System Board Assembly .
5.
Detach line filter cable, W7, from Power Supply Assembly .