Section IV. ORGANIZATIONAL TROUBLESHOOTING

TM 11-6660-204-25

Figure 3-13. Power Supply PP-968/TMQ-5, Bottom View.

Section IV. ORGANIZATIONAL TROUBLESHOOTING

erational tests, tube tests (para 3-24) and simple

3-19. Extent of Instructions

continuity checks. The material is presented in the

a. Troubleshooting at an organizational level is

order that a technician would normally use when

limited to the localizing of defective parts that are

servicing a defective radiosonde recorder. When the

readily replaceable at an organizational level (tube,

procedures indicated are not sufficient to determine

fuses, etc), or to the sectionalizing of defective units

the source of trouble, troubleshooting at a direct sup-

that must be replaced as a unit (signal data con-

port maintenance level will be required.

verter), power supply, control unit, etc.). The proce-

dures outlined are designed to determine first the

3-20. Visual Inspection

defective unit and then the nature of the fault within

a. Failure of this equipment to operate properly is

the unit. If the fault can be determined through orga-

usually caused by one or more of the following faults:

nizational procedures, corrective measures or the

(1) Improper or improperly connected power

need for repair is indicated. If the fault cannot be

source.

determined through organizational procedures, ref-

(2) Worn, broken, or disconnected cords or

erence is made to the direct support maintenance

plugs.

instructions.

(3) Burned-out fuses or tripped circuit breakers.

b. The techniques that are utilized for organiza-

(4) Relay contacts burned because of overloads.

tional troubleshooting include visual inspection, op-

Change 3