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NE-972,
1. 8A fuse has been blown.
RESULT
CAUSE
Shorted contacts of safety
Continuity
Check continuity of safety
switch B's contacts with door
opened
voltage capacitor and operate
Defective high voltage
t
-
the unit.
Ig
ge trans
8A fuse again blows
Open winding of low voltage
Infinity
Disconnect lead wire of
L.V.Transformer primary side
(CN1B) and check the con-
tinuity
Approx. 160~200Q (Normal)
(NE-972)
Approx. 40~60Q (Normal)
(NE-992/993)
Check 1.25A/FUSE 3 for NE-
992/993 (630mA/FUSE 3 for
fuse open
Defective D.P.C.
NE-972) on mini P.C.B.
Replace or repair D.P.C.
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