Figure 5-1.1. Power supply PP-6224A/U, top view, parts location.

TM 11-6130-266-15

Figure 5-1.1. Power supply PP-6224A/U, top view, parts location.

the circuits and isolate the faulty components.

5-6. Isolating Trouble Within Assemblies

Figure 8-1 (located in back of manual) is the resistor and

a. When trouble has been localized to an assembly

capacitor color code diagram.

during the operational checks listed in the

c. The transistor terminal voltage readings were

troubleshooting chart (para 5-5d), isolate the trouble to a

made with Multimeter TS-352B/U. A measurement that

component level by voltage measurements at the

differs widely from that in the voltage and resistance

transistor terminals and other significant points.

chart can localize the trouble when used with the

schematic diagram.

b. Use the schematic (fig. 8-3 or 8-4) to trace

5-4 Change 3