TM 1-1270-476-30
3-3
Replace CCA A4A1 or A4A2
Replace CCA A1 or A2 (para 4-13)
Repair Wiring Harness A4W1
Repair Wiring Harness Assembly (W1) (para 4-14)
Replace Anti-Ice CCA A1
Replace Anti-Ice CCA A1 (para 4-23)
Replace Electrical Heater Element HR6
Replace Anti-Ice Heater HR6 (para 4-23)
Replace Thermostatic Switch S1
Replace Thermostatic Switch S1 (para 4-23)
Replace Anti-Ice CCA A1
Replace Anti-Ice CCA A1 (para 4-26)
Replace Thermostatic Switch S1
Replace Thermostatic Switch S1 (para 4-26)
Replace “DISPL CONT” Switch S5
Replace Switch S5 (para 4-29)
Replace “ACM” Switch S3
Replace Switch S3 (para 4-29)
Replace “DISPL BRT” Switch S4
Replace Switch S4 (para 4-29)
Replace “RNG FOC” Switch S1
Replace Switch S1 (para 4-29)
Replace “NT” Switch S6
Replace Switch S6 (para 4-29)
Replace “GS” Switch S11
Replace Switch S11 (para 4-29)
Replace “VID SEL” Switch S7
Replace Switch S7 (para 4-29)
Replace “Boresight Enable” Switch S10
Replace Switch S10 (para 4-29)
Replace “Boresight Adjust” Switch S9
Replace Switch S9 (para 4-29)
Replace “V/RET” Switch S2
Replace Switch S2 (para 4-29)
Replace “FITR SEL” Switch S8
Replace Switch S8 (para 4-29)
Replace R7, R8, R9, or R10
Replace R7, R8, R9, or R10 (para 4-29)
Replace Illuminated Panel A1 or A2
Replace Illuminated Panel Assembly A1 or A2 (para
4-29)
Replace “AND BRT” Control R5
Replace Resistor R5 (para 4-29)
Replace “SYM BRT” Control R4
Replace Resistor R4 (para 4-29)
Replace “Gain” Control R2
Replace Resistor R2 (para 4-29)
Replace “LVL” Control R1
Replace Resistor R1 (para 4-29)
Replace “Boresight Elevation” Control R6
Replace Resistor R6 (para 4-29)
Replace “Boresight Azimuth” Control R3
Replace Resistor R3 (para 4-29)
Replace VERT OUTPUT AND WIDTH
REG CCA A1
Replace Vertical Output and Width Regulator CCA
(para 4-30)
Replace Video Output and Focus CCA A2
Replace Video Output and Focus CCA (para 4-30)
If Malfunction Corrective
Action Printout Reads
Perform the Following
