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Maintenance
RTX100A ISDB-T RF Signal Generator Service Manual
5-5
Inspection — Interior.
To access the inside of the RTX100A for inspection and
cleaning, refer to the
Removal and Installation Procedures
in this section.
Inspect the internal portions of the RTX100A for damage and wear, using
Table 5-2 as a guide. Defects found should be repaired immediately.
CAUTION.
To prevent damage from electrical arcing, ensure that circuit boards
and components are dry before applying power to the RTX100A.
Table 5-2: Internal inspection check list
Item
Inspect for
Repair action
Circuit boards
Loose, broken, or corroded
solder connections. Burned
circuit boards. Burned, broken, or
cracked circuit-run plating.
Remove failed module and
replace with a fresh module.
Resistors
Burned, cracked, broken, blis-
tered condition.
Remove failed module and
replace with a fresh module.
Solder connections
Cold solder or rosin joints.
Resolder joint and clean with
isopropyl alcohol.
Capacitors
Damaged or leaking cases.
Corroded solder on leads or
terminals.
Remove damaged module and
replace with a fresh module from
the factory.
Semiconductors
Loosely inserted in sockets.
Distorted pins.
Firmly seat loose semiconduc-
tors. Remove devices that have
distorted pins. Carefully straight-
en pins (as required to fit the
socket), using long-nose pliers,
and reinsert firmly. Ensure that
straightening action does not
crack pins, causing them to
break off.
Wiring and cables
Loose plugs or connectors.
Burned, broken, or frayed wiring.
Firmly seat connectors. Repair or
replace modules with defective
wires or cables.
Chassis
Dents, deformations, and dam-
aged hardware.
Straighten, repair, or replace
defective hardware.
Содержание RTX100A
Страница 4: ......
Страница 10: ...Table of Contents vi RTX100A ISDB T RF Signal Generator Service Manual...
Страница 14: ...Service Safety Summary x RTX100A ISDB T RF Signal Generator Service Manual...
Страница 16: ...Environmental Considerations xii RTX100A ISDB T RF Signal Generator Service Manual...
Страница 21: ...Specifications...
Страница 22: ......
Страница 24: ...Product Overview 1 2 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 36: ...Specifications 1 14 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 37: ...Theory of Operation...
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Страница 44: ...Theory of Operation 2 6 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 45: ...Performance Verification...
Страница 46: ......
Страница 73: ...Adjustment Procedures...
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Страница 78: ...Adjustment Procedures 4 4 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 79: ...Maintenance...
Страница 80: ......
Страница 114: ...Removal and Installation Procedures 5 34 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 130: ...Using the Recovery Discs 5 50 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 131: ...Options...
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Страница 134: ...Options 6 2 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 135: ...Diagrams...
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Страница 138: ...Diagrams 7 2 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 140: ...7 4 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 142: ...7 6 RTX100A ISDB T RF Signal Generator Service Manual...
Страница 143: ...Replaceable Parts List...
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Страница 160: ...Replaceable Parts List 8 16 RTX100A ISDB T RF Signal Generator Service Manual...