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Narco Avionics AT-150 Transponder

Circuitry no longer functional after AIS-P modification.

It is not necessary to adjust any other adjustment in the normal alignment procedure.
These controls no longer accomplish any function.

Components removed from the Narco Avionics AT-150 transponder:

Inductors

L403

Capacitors, variable
C411

Capacitors, fixed
C408
C412
C415
C416
C420
C421
C422
C423
C430
C432
C433
C435
C436
C437
C438
C439
C440
C441
C442
C445
C448
C449
C450
C451

Resistors variable
R414
R467
R468
R469
R473

Resistors fixed
R411
R418
R419
R435
R436
R437
R442
R459
R470
R471
R472
R474
R475
R476
R477
R478
R479
R480
R481
R482
R483
R484
R489
R490
R491
R492
R493
R494
R495
R496
R508

Diodes
CR403
CR413

Transistors
Q403
Q404
Q410
Q413
Q415

Integrated Circuits
U402A
U402B
U403
U404A
U404B
U405A
U405B
U405C
U405D
U406A
U406B
U406C
U406D
U407
U408
U409A
U409B
U411A
U411B
U412A
U412B
U413A
U413B
U413C
U413D
U413E
U413F
U414A
U414B
U414C
U414D
U415A
U415B
U415C
U415D
U416A
U416B
U416C
U416D
U417
U418
U419
U420A
U420B
U420C
U420D

Components added to the Narco Avionics AT-150 transponder
Actel 42MX24 PL84I IC
7414 IC
clock oscillator IC
resistor
diode
capacitors (5)