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ET-1000
ANALOG/
CIRCUIT
DESIGN
BUFFERS 104 AND U105 FAIL
ae
|
TEB ET~1000-3
Install the following: changes on each. unit. received
for service.
«~ Refer to' the 'main. board
foil-side view
on thé back
fesos}
:
of this bulletin and cut the foils at each of the
"Ae
gtou
ten resistor
locations
shown.
_— Scrape away
oneshalt
inch
of solder.
resist
on each:
side. of the
foil
gut and tin
the foil...
*
In the next. two tapas as
each resistor
is
installed
ne
across
the
foil
cut,
lay
the
resistor
across
the foil
,
cut
and
flat
against the board
along the foil run. Then
solder the resistor leads to the foil.
'
— Refer
'to the 'main
board
foil- side
view
and
solder
*
the eight
470
ohm
resistors
(#6-471-12)
on the eight
ae
cut foils near
U tow and U105.
[pose
Observe the direction of the banded end. of each
This completes the nodi fication of the main board.
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