GE Corometrics 250cx Series Service Manual

5-42 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Troubleshooting: System Troubleshooting
PRINTHEAD Misalignment causing drag
DSP BOARD Front panel keypad routed through DSP board
FAN Secondary failure due to overheating only
VOLUME CONTROLS
UI KEYPAD BOARD Would affect all buttons on front panel
MAIN BOARD Communicates with keypad
VOLUME KEYPAD Affects volume and alarm cancel
UI TO VOLUME BOARD CABLE Affects volume and alarm cancel
DSP TO UI KEYPAD CABLE Affects all front panel functions
SYSTEM POWER SUPPLY
DSP BOARD Front panel keypad routed through DSP board
FAN Secondary failure due to overheating only
RECORDER BUTTON: RECORDER ON
RECORDER BOARD TO MAIN
BOARD CABLE
UI KEYPAD BOARD Would affect all buttons on front panel
RECORDER BOARD Drives the stepper motor
DSP TO UI KEYPAD CABLE Affects all front panel functions
RECORDER MOTOR Could have open winding or bad wire crimp in
connector
DOOR SWITCH Will not print if main boards thinks door is open
MAIN BOARD Communicates with keypad
SYSTEM POWER SUPPLY
DSP BOARD Front panel keypad routed through DSP board
FAN Secondary failure due to overheating only
UI BUTTON: UA REF
DSP TO UI KEYPAD CABLE Affects all front panel functions
UI KEYPAD BOARD Would affect all buttons on front panel
SYSTEM POWER SUPPLY
MAIN BOARD Communicates with keypad
DSP BOARD Front panel keypad routed through DSP board
250cx Series Service & Troubleshooting
PROBLEM SUBASSEMBLY COMMENTS

GE Corometrics 250cx Series Specifications

General

Type	Fetal Monitor
Model	250cx Series
Manufacturer	GE Healthcare
Fetal Heart Rate Monitoring	Yes
Ultrasound Frequency	1 MHz
Recorder Speed	1, 2, 3 cm/min
Maternal Parameters	ECG, NIBP, SpO2
FHR Range	30-240 bpm
TOCO Range	0-100
Connectivity	RS-232
Power Source	AC Power
Display	Color LCD