REMOVAL-continued - TM-11-5820-401-34-30511

TM 11-5820-401-34-3/0967-LP-432-3060

6-6. A2000 ASSEMBLY CIRCUIT BOARD Y2200 AND Y2100 REPLACEMENT. (CONT)

NOTE

Steps 7 through 10 are for the removal of Circuit Board Y2100.

7. Using screwdriver, remove screw (10), Iockwasher (11) and flat washer (12).

8. Using small screwdriver, remove screw (13) and Iockwasher (14) from ground lug (15).

9. Lift circuit board (16) out of groove (17) and turn to gain access to rear of circuit board.

CAUTION

When soldering a circuit board wire that leads to a crystal, clamp crystal terminal

connection with heat sink pliers (see detail A) to prevent heat transfer during

unsoldering operation.

10. Using soldering iron, carefully unsolder one wire (18) from rear of circuit board, and three

wires (19) from front of circuit board.

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