GE MAC 1200 Service Manual page 76

Replacing the PCB Control
Replacing the Motor
4-8
Repair Instructions: Replacing Components
Before replacing the PCB, if still possible, print out the settings configured by the
user and check the options enabled.
1. Open the device.
2. Disconnect the plug-in connector POSUP/ to the power supply unit, and the
connector BATT_IN/ from the PCB battery charge.
3. While the connectors are disconnected, ensure that the connector BATT_IN/
makes no contact with the coated shell
4. Disconnect the remaining connectors to the recording unit. Undo the 6 PCBs
fastening screws.
5. Check whether the connection LOET2 of the lithium battery for the real-time
clock (BA1) is correctly soldered.
6. Also check whether the connection LOET1 of the backlight inverter is soldered
correctly.
7. Insert new PCB, fix the fastening screws and plug in connectors.
8. Connect keypad in the upper shell to connector KEYB/
9. Close connector on PCB control.
10. Set the upper shell on to the lower shell. Tighten the 5 fastening screws.
11. Contact your local service representative to download the software.
12. Enter the device serial number.
13. If required, enter the option codes as described in the operator's manual.
14. Adjust the display contrast.
15. Set the time and date. For setting the date and time, see Chapter 3,
Date" section for details.
16. If known, adopt the user-programmed configuration; otherwise, default setting.
After the motor is replaced, there is no need to adust the speed. Nevertheless, it is
advised that you run the motor test. (See Chapter 3,
details.)
MAC 1200 resting ECG analysis system
2012250-095
"Time and
"Motor Test" section for
Revision D