Tektronix DPO3000 Series, Service Manual

Page: 50 / 79

Maintenance
Display Module Follow these steps to remove the display module. You need to have previously
removed the rear case assembly, rear chassis, power supply, I/O board, main
board, attenuator board, and front chassis. Use a TORX T15 screwdriver tip.
(See Figure 5-6 on page 5-15.)
1. Place the front chassis on a soft, static-free surface with the LCD assembly
down.
2. Remove the four
5
/
16
in nuts that connect the display cable shield to the front
chassis, and remove the display cable shield. When reinstalling torque these
nuts to 8.0 in/lb. (See Figure 4-5.)
Figure 4-5: Display cable shield in place
3. Turn the front chassis over and remove the eight T15 screws that connect the
display to the front chassis. (See Figure 5-6 on page 5-15.) When reinstalling
torque these screws to 8.0 in/lb.
4. Gently lift the display up and off of the chassis.
CAUTION. Be careful when removing and reinstalling the Display module cables.
If the connectors have bent pins or are installed incorrectly, the Display may
be destroyed.
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