9 Р.Э.-21900 англ. яз. 129
Tab l e 4
Liquid spilled on unit (inside it)
Smoke fume
Breaking of seals, geometry or initial
sate of unit surface
Traces of insects or animals
Broken operating controls
Impossibility of identification of serial
number. Erased, failed number and
trademark sticker
Chips on unit frame, cracks
Mechanical damage of radio compo-
nent (ERI) in a unit, and of current-
carrying tracks
Electrical damage of ERI or of current
tracks, detected visually
Non-availability of authorized ERI at
their respective places, availability of
fixed non-authorized ERI. Soldering
prints
Typical place of occurrenceOccurrence
Cause
Flow marks from outside and inside of
unit. Smoke fume
Surface of unit, inside the part
Junction of unit components (fractures,
cracks), stripped fastener nicks
Surface, inside
Buttons and controls
Spots of factory labels and trademark
stickers
Frame corners, rear part of covering, fix-
ture of support, trays, covers, tubes
Violation of operation rules for unit
Incorrect connection, downfall, unauthorized
repair, ingress of liquid into the unit
Opening (or attempt to open) without special
instrument.
Unauthorized opening
Cockroaches, ants, bugs, hairs, etc.
Mechanical action (impacts, downfalls, etc.),
Careless use
Mechanical, thermal action, etc.
Unauthorized opening
Mechanical action (impact, downfalls, care-
less operation, etc.)
Violation of operation rules. Careless operat-
ing
Faulty fitting of junction elements, operation
of unit under non-standard (undocumented)
modes
Violation of operation rules. Attempt of inde-
pendent repair
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