Chapter
4
Module
Removal
and
Replacement
SCHILLER
AT-1
3-Channel
ECG
Unit
SERMCE
HANOBOOK
Issue
3
September
1999
Control
and
Power
Supply
Board
IMK
11-1
TheConuolandPowerSupplyBoardMK!l-1
issecuredtothe base
trayandpositionedunderthe
ECG
Interface
MK
11-2.
Prerequisite
The
Warnings
and
Cmions
at
the beginning
of
the
Chapter mst
be
observed
The
Top
Assembly
must be removed and
all
external cable assemblies disconnected
The
ECG
Interface
must
be removed
Tools
and
Equipment
Pod-drive screwdriver
Parts
Control and Power Supply board
MK
11-1.
Part
number
as
detailed in Chapter
6.
Board
Removal
WARNING
ENSURE
THAT
THE
MAINS
CABLE
IS
DISCONNECTED
BEFORE
COMMENCING
To
remove
the
Control
and
Power Supply board
MK
11-1 proceed
as
follows:
1.
Disconnect the following connectors:
*
paper
mark
connector
printer
motor
connector
live and the neutral bayonet connectors
to
the
mains
connector
live
and
the neutral bayonet connectors
to
the battery
data
connector
to
the thennal
pnnter
.
ground connector to the
pnnt
head
note: (the power supplies connector
to
the
ECG
Amulifier will already have been
removed
as
detailed
in
the previous paragraph).
2.
Unscrew the nine spacer
tixauons
(four
on
the
mns
transromer)
and
remove the board.
Page
4.
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