TM 11-6625-2638-30
Table 2-3. Test Set Troubleshooting - Continued
STEP
PROCEDURE
NORMAL INDICATION
ABNORMAL INDICATION
CORRECTIVE ACTION
44 (cont)
c. Set TRACKING FILTER switch to ELEV B.
d. Depress and release TRACKING FILTER RESET switch.
TFT lamp goes off, then comes back on.
J5-d is 3.0 to 5.5 vdc.
J5-Z is 3.0 to 5.5 vdc.
J5-c is 0.0 to 0.5 vdc.
J5-a is 0.0 to 0.5 vdc.
Other than above.
Replace circuit card (para 2-16).
e. Set TRACKING FILTER switch to ELEV C.
f. Depress and release TRACKING FILTER RESET switch.
TFT lamp goes off then comes back on.
J5-d is 0.0 to 0.5 vdc.
J5-Z is 0.0 to 0.5 vdc.
J5-c is 0.0 to 0.5 vdc.
J5-a is 0.0 to 0.5 vdc.
Other than above.
Replace circuit card (para 2-16).
g. Set TRACKING FILTER switch to AZIMUTH A.
h. Depress and release TRACKING FILTER RESET switch.
TFT lamp goes off then comes back on.
J5-d is 3.0 to 5.5 vdc.
J5-Z is 3.0 to 5.5 vdc.
J5-c is 0.0 to 0.5 vdc.
J5-a is 0.0 to 0.5 vdc.
Other than above.
Replace circuit card (para 2-16).
i. Set TRACKING FILTER switch to AZIMUTH B.
j. Depress and release TRACKING FILTER RESET switch.
TFT lamp goes off, then comes back on.
J5-d is 3.0 to 5.5 vdc.
J5-Z is 3.0 to 5.5 vdc.
J5-c is 0.0 to 0.5 vdc.
J5-a is 0.0 to 0.5 vdc.
Other than above.
Replace circuit card (para 2-16).
2-17
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