TM 55-4920-412-13&P Section II.  MAINTENANCE ALLOCATION CHART (Continued) Nomenclature of end item INSTRUMENT DISPLAY SYSTEM BENCH TEST SET (1) (2) (3) (4) (5) (6) Tools and Group Component/ Maintenance Maintenance Category Equip Number Assembly Function AVUM *AVIM DEPOT (Note) Remarks Power Supply Card (A1) Replace 5 Repair 1.0 2.0 Oil Press Sim.  Card (A2) Replace 5 Repair 1.0 1.0 Frequency Input Sim. Card (A3) Replace 5 Repair 1.0 2.0 D C.  Input Sim.  Card (A4) Replace .5 Repair 1.0 2.0 Switch, toggle (S9 thru S37) Test .2 Replace .5 Switch, Push (S8) Test .2 Replace .5 Switch, toggle (S19) Test .2 Replace .5 Switch, toggle (S2 thru S7) Test .2 Replace .5 Switch, toggle (S38) Test .2 Replace .5 Switch, toggle (S39) Test .2 Replace .5 Switch, toggle (S I) Test .2 Replace .5 Resistor, variable (R I thru R8, R16, R17) Test .2 Replace .5 Resistor, variable (R 12 & R13) Test .2 Replace .5 Resistor, variable (R9, RIO) Test .2 Replace .5 Lamp Power Supply Replace .5 Repair 1.5 3.0 I Regulator Board Replace .5 Repair 1.5 2.5 BCD Counter Board Replace .5 Repair 1.0 2.0 Oscillator Control Board Replace .5 Repair 2.0 3.5 Analog Processor # I Replace .5 Repair 1.5 3.0 Analog Processor #2 Replace .5 Repair 1.5 3.0 Monitor No. # 1 Replace .5 Repair 2.0 3.5 Monitor No. # 2 Replace .5 Repair 2.5 4.5 Diode (CR I thru CR39) (Lamp Test Cd) Test .2 Replace .5 Logic Power Supply Replace .6 Repair 2.0 4.0 *Maintenance performed by ATST NOTE Use Electrical Repairman's Tool Kit, NSN 5180-00-323-4915. Change 3  B-5/(B-6 blank)