GE Corometrics 250 Series User Manual

5-38 250 Series Maternal/Fetal Monitor Revision D
2020551-001
Troubleshooting: System Troubleshooting
SYSTEM POWER SUPPLY
FRONT-END MOTHERBOARD Passes all front-end signals. Make sure boards
seated and no connector damage exists.
ULTRASOUND BOARD Can affect ultrasound audio only if US board is
bad
ISOLATED POWER SUPPLY By affecting ECG - does not affect ultrasound
UI KEYPAD BOARD Would affect all buttons on front panel.
DSP TO UI KEYPAD CABLE Would affect all buttons on front panel.
UI TO VOLUME BOARD CABLE Could affect only volume and alarm cancel
COMM BOARD WITH I/O
CONNECTORS
Sits on same data bus as DSP/Display board
FAN Secondary failure due to overheating only
FECG
FECG FRONT-END CABLE &
CONNECTOR
Usually Bad Connector Crimps
ISOLATED POWER SUPPLY
FRONT-END MOTHERBOARD Passes all front-end signals -make sure boards
seated & no connector damage
FECG/UA BOARD
DSP BOARD Processes FECG analog
SYSTEM POWER SUPPLY
MAIN BOARD Processes for display
COMM BOARD WITH I/O
CONNECTORS
Sits on the same data bus as DSP Display Board
UA
ISOLATED POWER SUPPLY
UA FRONT-END CABLE &
CONNECTOR
Usually bad connector crimps
DSP BOARD Processes UA analog
FRONT-END MOTHERBOARD Passes all front-end signals -make sure boards
seated & no connector damage
FECG/UA BOARD
SYSTEM POWER SUPPLY
MAIN BOARD Processes for display
250 SERIES SERVICE & TROUBLE SHOOTING
PROBLEM SUBASSEMBLY COMMENTS

GE Corometrics 250 Series Specifications

General

Brand	GE
Model	Corometrics 250 Series
Category	Medical Equipment
Language	English