Figure 4-5. Printed Circuit Board Replacement.

TM55-1730-228-13&P

4-11. JUNCTION BOXES - REPAIR (Continued)

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(4) Refer to the electrical troubleshooting information for general procedures on circuit testing.

Figure 4-5. Printed Circuit Board Replacement.

b. REPLACEMENT OF PRINTED CIRCUIT BOARD:

(1) Removal:

NOTE

Tag all wires for ease in reassembly.

(a) Tag and remove eleven wires ( 1, Figure 4-5) from printed circuit board terminal strip (2).

(b) Remove two screws (3) from printed circuit board (4), remove board and discard.

(2) Installation:

(a) Position new printed circuit board (4) in junction box and install two screws (3).

(b) Connect previously tagged wires (1) to printed circuit board terminal strip (2).

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