Routing of Voltage in Simulator-Test Set

TM 11-6625-601-34

contact 3 of switch S11C (rear). The +27.5 volts

routed to pins 34, 18, and 36 of jack J33. The

dc applied to terminal 14 of the TB1 is routed

+27.5 volts dc applied to terminal 11 of TB1 is

through terminals 10, 11, 12, 13, and 15 of TB1

routed to pins 18, 36, and 34 of RCVR/XMTR

to the various circuits, in the same manner as

jack J11. From terminal 11 of TB1, +27.5 volts

when switch S11 was set to TEST SET. The

d c is applied to contact 5 of RCVR/XMTR

routing of the +27.5 volts dc applied to contacts

FUNCTION switch S9A (rear), pin a of jack J34,

9 and 3 of switch S11C (rear) is also the same

and pin J of ANT COUPLER jack J10. Setting

as described above.

s w i t c h S9 to TEST applies +27.5 volts dc

through contacts 5 and 4 of switch S9A (rear)

b. Routing of Voltage in Simulator-Test Set

to terminal 18 of TB1 and contact 8 of switch

S11C (rear). From terminal 18 of TB1, +27.5

SM-348/ARC-54. The +27.5 volts dc applied to

volts dc is applied, through dropping resistor

pins 34, 18, and 36 of jack J33 is routed through

R10, terminal 9 of TB1, and contacts 2 and 4

6 AMP fuse F1 to POWER switch S2 in the

of switch S11C (rear), to pins E and G of jack

simulator. Setting switch S2 to ON applies +27.5

J35. With switch S11 set to TEST SET, +27.5

volts dc to terminal 19 of audio amplifier A1 and

volts dc applied to contact 8 of switch S11C

terminal 26 of motor control A2. From terminal

(rear) is routed, through contacts 8 and 10 of

19 of audio amplifier Al, +27.5 volts dc is applied

switch S11C (rear), to pin 16 of jack J33 and pin

to a voltage regulator composed of resistor

16 of jack J11. The +27.5 volts dc applied to con-

A1R1 and Zener diodes A1CR2 and A1CR1. The

tact 1 of relay K1 is obtained from terminal 13

+18.2-volt dc output of the voltage regulator is

of TB1. From terminal 15, +27.5 volts dc is

applied to the collector circuits of transistors

routed to pin 1 of XMIT lamp DS2, terminal 19

A1Q1 through A1Q5 and, through terminal 17

of audit amplifier A1, and terminal E5 of the

of audio amplifier Al, to terminal 11 of motor

blower inverter. The +27.5 volts dc applied to

control A2. From terminal 11 of motor control

terminal 19 of audio amplifier A1 is routed to

A2, +18.2 volts dc is routed through dropping

a voltage regulator composed of resistor A1R1

resistor A2R1 and terminal 12 to pin 10 of

and Zener diodes A1CR2 and A1CR1. The out

FUNCTION SELECTOR switch S3A (front).

put of the voltage regulator, +18.2 volts dc, is

The +27.5 volts dc applied to terminal 26 of

applied to the collector circuits of transistors

motor control A2 is routed to pin 5 of relay A2K1

A1Q1 through A1Q5. The +27.5 volts dc applied

and pin 5 of relay A2K2. A voltage regulator

to terminal E5 of the blower inverter is routed

composed of resistor R1 and Zener diode CR1

to a filter circuit composed of resistors R15 and

receives +27.5 volts dc from switch S2. The

R16 and capacitors C2 and C3. From the filter

+27.5-volt dc output of the voltage regulator is

circuit, +27.5 volts dc is applied to terminal 3

applied to pin 1 of lamps DS1, DS3, DS4, DS5,

of transformer T1. When the C-3835/ARC-54 is

and DS9 through DS14. The regulated +27.5

connected to jack J16 and switch S11 is set to

volts dc is also applied to terminal 17 of motor

CONT UNIT, +27.5 volts dc is removed from

control AZ. From terminal 17 of motor control

contacts 8 and 5 and applied to contacts 9 and

A2, regulated +27.5 volts dc is applied through

6 of switches S11D (rear) and S11F (front)

diode A2CR6 to terminal 16, and diode A2CR7

respectively. This removes the +27.5 volts dc

to terminal 23. From terminal 16 of motor con-

applied to terminals 10 through 15 of TB1. The

trol AZ, regulated +27.5 volts dc is applied to

+27.5 volts dc applied to contacts 9 and 6 of

pin 1 of HAR FIL lamp DS2. From terminal 23

switches S11D (rear) and S11F (front), respec-

of motor control A2, regulated +27.5 volts dc is

tively, is routed, through pins C, D, and E of

applied to pin 1 of PTT INT SEC TONE lamp

jacks J16, to the C-3835/ARC-54. From the

DS7 and pin 1 of PTT SEC lamp DS6. Setting

C-3835/ARC-54, +27.5 volts dc is routed,

switch S2 to LOAD applies +27.5 volts dc across

through pins F, f, and e of jack J16 to terminal

parallel resistors R2 and R3. Resistors R2 and

14 of TB1, pin DD of jack J16 to contact 9 of

R3 simulate the load that the RT-348/ARC-54

switch S11C (rear), and pin GG of jack J16 to

places across the +27.5-volt dc source.

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