Mitsubishi 73 User Manual page 14

PROBLEM
•
The 2 very faint thin lines across the screen are normal.
Two fine horizontal
They are caused by the aperture grille stabilization
lines are visible on
filaments(Damper Wires) which are required for all
the screen.
aperture grille CRTs'.
Shadow of Damper Wires
A brief vibration or hum sound that is heard just after power
•
up is normal. This is caused by the automatic degaussing
A buzzing sound
function. This sound will be heard each time the monitor is
when power on.
powered up from a cold start and each time the manual
degauss button is used.
ITEMS TO CHECK
Aperture Grille
Electrn Gun
Damper Wires
- 10 -
LOCATION
Shadow of
Damper Wires
Aperture Grille Type