COMPONENT CHECKOUT PROCEDURE RESULTS
Measure the resistance : Across two terminals with an
ohm-meter on its highest scale.
Normal reading :
Indicates continuity.
Abnormal reading :
Indicates infinite ohms.
Measure the voltage : Between test points TP-1,TP-2,
and ground (See control circuit board on page 20 ).
NOTE
Proceed with the check of the step down transformer, to
see if any one of the measured values is different from the
specified values
Figure 10
-7-
HV FUSE
Test TP-1 TP-2
point
Voltage -5V -15V
DC DC
CONTROL
CIRCUIT
BOARD
COMPLETE
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