Page 4.5
Chapter 4
Module Removal and Replacement
SCHILLER AT-2plus 6-Channel ECG Unit
SERVICE HANDBOOK Issue 1 June 1998
Physical Overview
The AT-2plus unit is enclosed in a two part, medical standard, moulded plastic case.
The top part contains the keyboard and the LCD screen with the base section containing all the
electronics of the unit, the RS-232 interface, the thermal printer, the paper tray, the battery and
mains transformer.
The electronics of the unit are contained on two printed circuit boards, the main board (MK 14-
10 ) secured on spacers moulded in the base section, and the RS-232 serial interface board (MK
14-11) mounted on spacers in the base assembly.
The battery is secured in position in a moulded recess and the mains transformer is secured on
spacers above the printed circuit board.
The thermal printer is mounted on a paper tray/thermal printer assembly which is secured in the
base section complete.
Test Equipment, Tools, and Accessories
The following list details the tools, test equipment and accessories required to carry out all
functional tests, calibration procedures and adjustments that can be carried out on the AT-2plus.
The test equipment given here is general. If specific recommendation for test equipment is required,
please contact the SCHILLER service department.
Digital Voltmeter
Selection of cross-bladed, posi-drive and flat-bladed screwdrivers
Cleaning agent such as Trichlorethylene
Selection of spanners
Double-sided tape
ECG Patient Simulator
To Next Page
Loading...
