TABLE 7-7. EU FAIL CODE INDEX-continued - TM-9-4931-381-14-P-10319

TM 9-4931-381-14&P-1

TSTS TROUBLESHOOTING PROCEDURES

TABLE 7-7. EU FAIL CODE INDEX (Continued)

CODE

CORRECTIVE

ACTION

DISPLAY

2.4.0.1

Do procedure in figure 7-29.

Replace symbol decoder circuit card assembly A7; refer to TM 9-1200-206-34-2-2,

2.4.0.2

para. 3-8.

EU cannot be repaired at this level. Turn in EU to next higher level of

2.4.0.3

maintenance.

Do procedure for fail code 2.4.0.2; then do troubleshooting in figure 7-32.

2.4.0.4

2.4.0.5

Replace reticle generator circuit card assembly A3; refer to TM 9-1200-206-34-

2-2, para. 3-8.

Replace azimuth timing generator circuit card assembly A4; refer to

2.4.0.6

TM 9-1200-206-34-2-2, para. 3-8.

Replace sweep generator circuit card assembly AS; refer to TM 9-1200-206-34-,

2.4.0.7

2-2, para. 3-8.

Do procedure for faiI code 2.2.0.1.

2.4.0.8

Replace relay K3; refer to Remove and Install Relay K1, K2, K3, or K4;

2.4.0.9

TM 9-1200-206-34-2-2, para. 3-8.

Do procedures for faiI code 2.4.0.2 and faiI code 2.4.0.5.

2.4.0.10

Do procedures for faiI code 2.4.0.5 and fail code 2.4.0.6.

2.4.0. 11

Do procedures for faiI code 2.2.0.1 and faiI code 2.4.0.5.

2.4.0.12

2.4.1.1

Do procedure for faiI code 2.4.0.7.

Replace relay K1; refer to Remove and Install Relay K1, K2, K3, or K4;

2.4.1.2

TM 9-1200-206-34-2-2, para. 3-8.

Replace symbol generator circuit card assembly A6; refer to TM 9-1200-206-34-

2.4.1.3

2-2, para. 38.

Do procedure for faiI code 2.4.0.6.

2.4.1.4

Do procedure for fail code 2.4.0.2.

2.5.0.1

Figure 7-17. (Sheet 28 of 29)

Volume Ill

7-123