FROM
FIG.
3D,3F
ONE OF THE DAUGHTER
CARDS YOU JUST
INSTALLED IS CAUSING
THE TROUBLE
t-
PERFORM HALF-SPLllTING ON THE
CARDS JUST INSTALLED. MEASURE
ACROSS THE POINTS SHOWN IN THE
ILLUSTRATION BELOW. WHEN THE
LEVEL EGUALS OV, YOU’VE FOUND
THE BAD CARD.
REPLACE THE
FAULTY ET
DAUGHTER CARD
TO BLACK LEAD
OF VOM
ET
CPU
BOARD
RED LEAD OF,
VOM TO PIN 2
OF IC18
Channel Failure Isolated to an ET
FIGURE 3E
12
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