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Page Title: Figure 2-9. Troubleshooting Setup #2.
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TM 11-6130-429-40
Figure 2-9. Troubleshooting Setup #2.
Table 2-3. Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTION ACTION
d. Turn equipment OFF. Connect voltmeter to TP1 and TP3 on front panel. Turn equipment ON and observe meter reading
of +4.98 to 5.02 Vdc.
Loosen locking nut on +5 VOLT ADJ (R8) and adjust it until meter reading is correct; then tighten locking nut.
e. Using voltmeter, check for +3.047 to 3.121 Vdc between U3-5 (positive) and U3-11.
Check U3 and associated components. Replace defective component.

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