Meter circuit and controls

TM 11-6130-392-34

c. Meter circuit and controls. Panel meter

manual settings of the two controls (R5 and S7) and

(M1) monitors current from a selected charging

associated resist or assembly (A14).

circuit, voltage across any connected battery under

2-5. Functional Component Locations

charge, or status of internal 9 volt battery (B1).

The meter and associated resistors provide conven-

For purposes of operator/crew and organizational level

ient current and voltage indications on the one

instructions, functional components are located and

meter. Rotary switch (S12) selects voltage test of

named only for those seen from the outside of battery

internal 9 volt battery (B1), batteries in holders, or

charger (TM 11-6130-392-12, fig. 2-1). Then, in

remote connected batteries. Rotary switch (S4)

paragraph 2-4, functional components, inside or out-

selects charging channel to be monitored. Push-

side, are described by function and reference number

button switch (S5) displays voltage measurement

(FL1, FL2 as an example) from the block diagram. The

on panel meter when pressed or current measure-

references (FL1, FL2) are same as used in equipment

ment on panel meter when released.

manufacturers engineering drawings. For purposes of

direct and general support maintenance, all references

d. Charging circuit and control. Five identical

are put together. Nomenclature, reference designations,

circuits, each capable of charging one battery, se-

and component locations are combined and shown for

lect and supply charging current. Each circuit is

battery charger exterior (fig. 2-2, sheets 1 and 2). Also,

fused (F1, as an example) and protected against

for general location and identification purposes only,

battery polarity reversal. Charging module (A6,

functional components inside battery charger are in-

as an example) applies charging current to a con-

cluded (sheet 3 of 3). Similary, nomenclature, reference

nected battery. Three-position toggle switch (S7)

designations, and component locations are combined

selects load resistance across output terminals.

and shown for battery charging tray assembly (fig.

Variable resistor (R5) is a fine adjustment control

2-1.1).

that determines output voltage. Charging current,

supplied to a connected battery, is determined by

Figure 2-1.1.

Functional Component Locations, Battery Charging Tray Assembly MX-10154/U.

Change

2-3