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Tivubleshootina
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sewkemnua/
5.4
UNIT REPAIR -
C137
MAIN BOARD
This
sxtion
desuibes
the problems related to the main
contder
board
(C137
MAIN).
The
table
below provides various symptoms, likely causes, and checkpoints.
‘I&
checkpoints refer to
waveforms, resistance, and other values to be checked to evaluate the operation of each
component.
Table 5-6. Repair of the
C137
MAIN
5-10
Rev.
A