Figure 1- 4. Troubleshooting The LR Test Set.

Troubleshooting ther AN/ GVS-5 Laser Observation Devise Test Set, TS-3620
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If the circuit

breaker trips to TRIPPED OFF, go to troubleshooting procedures

(figure 1-4), malfunction 1.



Observe PWR ON indicator. If the indicator does not light, go

to troubleshooting procedures (figure 1-4), malfunction 2.



Press LASER OUTPUT NORMAL and LASER OUTPUT LOW indicators.

Observe whether indicators light when pressed.

If indicator

does not light, go to troubleshooting procedures (figure 1-4),

malfunction 3.

Figure 1-4.

Troubleshooting the LR Test Set.



If adapter cable assembly is used, connect it to 0-40 volts

direct current (VDC) power supply and adjust power supply

voltage to +24 VDC.



Place multimeter test leads between the center terminal of the

battery adapter and its cap.

If the output voltage is not

23.0 to 23.5 VDC, send the adapter cable assembly to direct

support maintenance.



Refer to TM 11-5860-201-30 for instructions on:

Mounting the LR to the alignment bracket assembly.

Troubleshooting the LR.

Using the adapter cable assembly with the LR.

OD1716

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