Simplex 2120 - Page 11

FROM ’
FIG.
SET YOUR VOM TO THE 3DVC
SCALE AND CONNECT IT
DOES LEVEL
ACROSS THE POINTS
INDICATED IN THE
ILLUSTRATION BELOW
FIG.
REMOVE POWER TO THE ET
RECONNECT POWER TO THE ET
AS FOLLOWS:
REMOVE ALL ET
AS FOLLOWS:
. DISCONNECT BAlTERIES
’
DAUGHTER CARDS
. CONNECTAC FIRST.
FIRST.
. CONNECT BAlTERlES
. DISCONNECT AC LAST.
LAST.
CONNECT YOUR VOM
ACROSS THE POINTS
INDICATED IN THE
ILLUSTRATION BELOW
.
FIG.
3c
TO BLACK LEAD
OF VOM
ET
CPU
BOARD
RED LEAD OF,
VOM TO PIN 2
OF IC16
Channel Failure Isolated to an ET
FIGURE 38
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