Tektronix CSA7404B - Page 250

Removal and Installation Procedures
6-30
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
J7
J6
J5
J3
J2
J4
Back view
Display module
Display
adapter board
T--15 Torx
drive screw (3)
Inverter
board
Figure 6- 14: Display adapt or board removal
1. Locate module to be removed: Locate the On/Standby Switch power flex
circuit in the locator diagram Internal Modules, Figure 6--8, page 6--21.
Additional modules to be removed:
H Trim (front panel)
H Display assembly
2. Orient the assembly: Set the display assembly so its back is down on the
work surface and its front is facing you.
3. Remove the On/Standby Switch power flex circuit: See Figure 6--15, on
page 6--31.
a. Peel the On/Standby switch power flex circuit away from the front of the
display assembly.
b. Disconnect the flex circuit from J7 on the Display Adapter circuit board.
c. Grasp the flex circuit and pull it out of the Display assembly.
4. Reinstallation: Do following procedure to reinstall the On/Standby Switch.
a. Remove the protective backing on the power flex circuit.
On/Standby Switch Power
Flex Circuit Removal