GE TruSat Technical Reference Manual page 6

Contents
3.3 Display board components...........................................................................................3-9
Display board test points .............................................................................................................. 3-9
Display board connector.............................................................................................................3-10
3.4 Trend Download board (RS-232) components .................................................3-11
Trend Download board connectors .......................................................................................3-11
4. Service Procedures...................................................................................4-1
4.1 Functional check ..................................................................................................................4-1
Changing the line power filter..................................................................................................... 4-2
Setting the clock................................................................................................................................. 4-3
Electrical safety check.................................................................................................................... 4-3
4.2 Planned Maintenance........................................................................................................4-4
Battery .................................................................................................................................................... 4-4
Cleaning ................................................................................................................................................. 4-4
4.3 Software upgrade ................................................................................................................4-5
Checking the current software versions................................................................................ 4-5
Installing the software upgrade................................................................................................. 4-5
4.4 Trend Download upgrade................................................................................................4-6
Installing the Trend Download board...................................................................................... 4-7
4.5 Alarm annunciation............................................................................................................4-8
Customizing a cable......................................................................................................................... 4-8
Enabling alarm annunciation...................................................................................................... 4-9
Relay switch fuse replacement................................................................................................4-11
4.6 Repair procedures ............................................................................................................4-12
Monitor disassembly .....................................................................................................................4-12
Monitor assembly............................................................................................................................4-13
5. Service Parts................................................................................................5-1
5.1 Miscellaneous parts............................................................................................................5-1
5.2 TruSat assembly...................................................................................................................5-2
TruSat parts and service kits ....................................................................................................... 5-2
TruSat assembly drawing ............................................................................................................. 5-3
ii
Software upgrade connector (X11) ................................................................................. 3-7
Display board connector (X12).......................................................................................... 3-8
System board connector (X1)...........................................................................................3-10
System board connector (X1)...........................................................................................3-11
RS-232 connector (X2) .........................................................................................................3-12
ID connector (X3) ....................................................................................................................3-12
Ground resistance test.......................................................................................................... 4-3
Before installing the Trend Download board ............................................................. 4-9
After installing the Trend Download board...............................................................4-10
Right (ComWheel) side disassembly.............................................................................4-12
Left side disassembly...........................................................................................................4-12
Housing disassembly...........................................................................................................4-13
Housing assembly.................................................................................................................4-13
Left side assembly.................................................................................................................4-14
Right side assembly..............................................................................................................4-14