Revision date: 120813
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Check the E1 Primary switching PCB.
Verify that the machine is disconnected from the mains supply.
These measurement are all made at room temperature 20°C, if the machine is used recently the
values may differ.
Disconnect cable 73 and 74 from the D5 main rectifier.
Disconnect the pulse leads from the E2 PWM PCB connector A4.
Measure between
cables
no
73
and
74
with
diode test
,
positive probe
on
74
.
Correct value is approx. 0.7V. This value may differ a bit between different instruments but if
very low or a short is measured then replace the E1 primary PCB.
Содержание UPC 1041
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