Removal and Replacement
6–18
TDS 340A, TDS 360 & TDS 380 Technical Reference
STOP. Perform step 13 only if replacing a damaged ground spring.
13. Using Figure 6–10 as a guide, grasp (compress) the base of the ground
spring (to release the spring) with tweezers (Item 8) and pull the ground
spring away from the assembly.
14. Reassembly of the Front-Panel Assembly: Do in reverse order substeps 13
through 9, reversing the procedure outlined in each step. Be sure to dress the
main-board-to-front-panel cable so that the loop of extra cable length is in
the front-panel cavity of the chassis.
15. Reinstallation:
a. If you are replacing the menu flex circuit, perform the following
subparts:
Wipe the front of the chassis using isopropyl alcohol and a clean,
lint-free cloth. Let it dry.
Find the score line in the adhesive backing and peel the backing off
the menu flex circuit.
Carefully align the three holes on the menu flex circuit to the locator
studs on the front of the main chassis. When the alignment is
correct, press the flex circuit against the chassis so it adheres to the
chassis.
Clean the surface of the menu flex circuit using isopropyl alcohol
and a clean, lint-free cloth.
b. Reconnect the main board and menu flex-circuit cables to the back of the
front panel assembly.
c. Carefully reinsert the front-panel assembly into the main chassis left side
first.
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