NEC MultiSync LCD2080UX -BKA Service Manual page 127

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CONTINUE
+5VA output is instability or low voltage.
NO
+5VA output is normal.
+18VA outputs are 0V or low voltage.
NO
+5VA output is normal.
+18VA output increase until approx 22V, and become 0V
momentarily.
And when the power switch turn on, the voltage of both
ends of C911 increase until approx 28V, and become 0V
momentarily.
YES
Check the following parts
IC9E1, R9E6, C906, C9A4, C9A7,
C9E2.
Check the following parts
YES
D911, D915, D930, D951, IC901,
IC951, PC901, PC911, Q901,
Q908, Q911, Q912, Q913, Q930,
Q931, Q932, Q933, Q9E1, ZD910,
ZD917, ZD918, ZD919, ZD920,
L951, T901,R908, R909, R911,
R915, R917, C954, C911.
Check the following parts
YES
IC951, R951, R952, R953, R954,
PC901, T901, IC901, C906.
6-12

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