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Page Title:
Table 5-2. TROUBLESHOOTING (CONT) |
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 ARMY
TM 9-6650-235-13&P
MARINE CORPS
TM-08552A-13&P
Table 5-2. TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM (CONT)
Step 3.
Remove the 115-V electrical power
cable assembly (8), and using a multi-
meter set for ac voltage measure-
ment, check for 115 V ac between pins
A and B of the 115-V electrical
power cable assembly.
Repair or replace defective
115-V electrical power cable
assembly (page 5-130).
Step 4. a.
For early model borescopes
equipped with 24-V electrical
power cord adapter assembly (9),
remove it, and using a multimeter
set for dc voltage measurement,
check for 24 V dc between pins
A and C of the 24-V electrical
power cord adapter assembly.
Replace the defective 24-V
electrical power cord adapter
assembly.
b.
On later model borescopes which use
the 115-V electrical power cable
assembly (8) for 24-volt operation,
remove the 115-V electrical power
cable assembly, and using a multi-
meter set for dc voltage measure-
ment, check for 24 V dc between
pins A and B of the 115-V
electrical power cable assembly.
Repair or replace the defective
115-V electrical power cable
assembly.
5-6
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