Vertical Line : A block of some data IC
Phenomenon (Block un-lighting)
Un-lighting of some data IC.
The cause of presumed
a)
Failure of opening and poor contact etc of between Data relay PKG and Digital
PKG, High Voltage PKG.
b)
Opening and poor contact etc of some flexible cables for Data relay.
c)
Failure of some data IC.
Vertical Line 5
42