Section 7-4 Troubleshooting - GE LOGIQ 100 PRO Technical Publication

GE H
EALTHCARE
D 5305880-100, R
IRECTION

Section 7-4 Troubleshooting

The following table is provided to help the service engineer during corrective maintenance.
TROUBLESHOOTING
Problem Faced
No Display, total black out
"No trackball Acknowledgement" or
"Trackball Interface error" - Error message
"Keyboard not connected" - Error message
"No System Mode Acknowledgement" - Error
message
No Text
No Echoes otherwise system is ok
System does not respond to Gain variation
Garbled Text Display
Table 7-4 Trouble Shooting
Ap p r o v e d Do c u m e n t - 5 3 0 5 8 8 0 - 1 0 0 T PH_ r 3 . p d f Pa g e 1 2 0 o f 1 9 7
3
EVISION
No AC Power
Circuit Breaker tripping
Brightness/Contrast knobs may be at end
limit
No video signal to the monitor
Monitor may be defective
Power Supply to the Monitor may be bad (12
Volts)
Davinci or FEB may be defective.
Trackball or the cable maybe defective
Keyboard or Davinci or interface cable may
be defective
Keyboard to Davinci interface cable may be
defective.
Keyboard may be defective.
If the EXT Video LED and the FREZZE LED
are glowing simultaneously during Boot Up
then the keyboard may be defective.
Davinci interface may not be proper
Davinci may be defective
HV Power Supply maybe defective,
Connection of the CA 30N may be loose.
FEB maybe defective.
During some boot ups the DSP application
may not be fully loaded.
Cable interfacing Davinci and KBD maybe
defective.
Davinci or FEB maybe defective
If overlay updated then Davinci is good
Gain Encoder may be defective
Davinci overlay problem
Chapter 7 - Diagnostics/Troubleshooting
Cause
Ensure power cable is ok and there is power
at the wall outlet
Power Supply or PCB may be loading.
Replace the defective power supply or the
PCB
Turn the knobs to the suitable position
Ensure video cable connection from the
Davinci to the monitor pcb is intact
Feed an external video signal to confirm
Set right the same
Replace the same
Replace appropriately. Contact your local
service representative for further information
on this.
Replace appropriately
Replace the same
Replace the same
Replace the same
Replace FEB or Davinci pcb
Replace the Davinci
Check for the cable assembly 30N.
Replace the HV Power Supply
Replace the FEB
If this problem appears reboot the system.
Replace the same
Replace appropriately
Replace Keyboard Assembly
Replace Davinci
LOGIQ™ 100 PRO S
ERVICE
Solution
M
ANUAL
Page 7-15