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PROBLEM
ITEMS TO CHECK LOCATION
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Two fine horizontal
lines are visible on
the screen.
The 2 very faint thin lines across the screen are normal.
They are caused by the aperture grille stabilization
filaments(Damper Wires) which are required for all
aperture grille CRTs’.
A buzzing sound
when power on.
A brief vibration or hum sound that is heard just after power
up is normal. This is caused by the automatic degaussing
function. This sound will be heard each time the monitor is
powered up from a cold start and each time the manual
degauss button is used.
Shadow of Damper Wires
Shadow of
Damper Wires
Electrn Gun
Damper Wires
Aperture Grille
Aperture Grille Type