Maintenance
MTX100A MPEG Recorder & Player Service Manual
4-5
Inspection — Interior.
To access the inside of the MTX100A for inspection and
cleaning, refer to the
Removal and Installation Procedures
in this section.
Inspect the internal portions of the MTX100A for damage and wear, using Table
4-2 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 MTX100A.
Table 4-2: 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.
Summary of Contents for MTX100A
Page 4: ......
Page 14: ...Service Safety Summary x MTX100A MPEG Recorder Player Service Manual ...
Page 16: ...Environmental Considerations xii MTX100A MPEG Recorder Player Service Manual ...
Page 21: ...Specifications ...
Page 22: ......
Page 24: ...Product Overview 1 2 MTX100A MPEG Recorder Player Service Manual ...
Page 39: ...Theory of Operation ...
Page 40: ......
Page 51: ...Performance Verification ...
Page 52: ......
Page 105: ...Maintenance ...
Page 106: ......
Page 140: ...Removal and Installation Procedures 4 34 MTX100A MPEG Recorder Player Service Manual ...
Page 152: ...Troubleshooting 4 46 MTX100A MPEG Recorder Player Service Manual ...
Page 156: ...Using the Recovery Discs 4 50 MTX100A MPEG Recorder Player Service Manual ...
Page 157: ...Options ...
Page 158: ......
Page 160: ...Options 5 2 MTX100A MPEG Recorder Player Service Manual ...
Page 161: ...Diagrams ...
Page 162: ......
Page 164: ...Diagrams 6 2 MTX100A MPEG Recorder Player Service Manual ...
Page 166: ...6 4 MTX100A MPEG Recorder Player Service Manual ...
Page 168: ...6 6 MTX100A MPEG Recorder Player Service Manual ...
Page 173: ...Replaceable Parts List ...
Page 174: ......
Page 190: ...Replaceable Parts List 7 16 MTX100A MPEG Recorder Player Service Manual ...