GE Logiq P5 Service Manual

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL 
Section 7-6 - LED Descriptions 7 - 21
7-6-4 APS/APS Pro Assy
NOTE: HVL+ and HVL- are  not available for APS PRO.
The APS/APS Pro Assy is located at the No. 4 slot of the NEST Assy.
Table 7-11     LEDs on APS/APS Pro Assy
LEDDescriptionsNormal State
DP5 (Top) Digital 5V output indicator Normally On
LP5 Live Power 5V output indicator Normally On
AP6 Analog 6V output indicator Normally On
DP33 Digital 3.3V output indicator Normally On...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL  
7 - 22 Section 7-7 - Trouble Shooting Tree
Section 7-7Trouble Shooting Tree
7-7-1 System Does Not  Power On / Boot Up
Figure 7-10   Power On / Boot Up Flowchart
Yes
Is the scanner 
plugged in?
Is the AC at the  wall outlet?
Make sure the scanner is not  plugged into 
emergency power  (red outlet);
Is the circuit 
breaker ON?
Yes
Press the on/off switch to  boot the system. Is the 
on/off switch illuminated  with an green color and...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL 
Section 7-7 - Trouble Shooting Tree 7 - 23
7-7-2 System Does Not Boot
Figure 7-11   System does not Boot
System doesn’t boot!
Connect the AC power cable 
between the Scanner and the wall  power outlet in right way.YES
YES NO
Turn ON the main breaker of 
the Scanner.
Go on to the next page.
NO
Is the AC power cable 
seated to the Scanner and  to the wall power outlet?
Is the main breaker turned  ON?
Press the ON/OFF button on the...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL  
7 - 24 Section 7-7 - Trouble Shooting Tree
7-7-2               System Does Not Boot (cont’d)
Figure 7-12   System does not Boot (contd.)
System doesn’t boot! (cont’d)
YES
Check;
1.) AC Power
2.) AC Transformer
Go on to the next page.
NODo the fans start to run?
Check/replace the PM SOM/CM  SOM module.
YES NO
Is the SOM module starting 
to display start-up screens  on the monitor?
Is the LOGIQ starting  display shown on the  monitor?...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL 
Section 7-7 - Trouble Shooting Tree 7 - 25
7-7-2              System Does Not Boot (cont’d)
Figure 7-13   System does not Boot (contd.)
System doesn’t boot! (cont’d)
1.) Check the Control  Panel cable 
connection.
2.) Check/replace  Control Panel.YES
YES NO
Are the Control Panel
keys lit? 
Is regular scan display 
shown on the monitor?
Press and hold the main switch for  five (5) seconds to reboot the  system.
NO
Go to Scan Procedure...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL  
7 - 26 Section 7-7 - Trouble Shooting Tree
7-7-3 Noise in Image
Figure 7-14   Noise in Image
Noise is shown in Image.
YES
NOIs there any electrical 
devices that affect the  Scanner?
Keep the Scanner away from those  electrical devices.
Check probes. 

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL 
Section 7-7 - Trouble Shooting Tree 7 - 27
7-7-4 Unable to Scan
Figure 7-15   Unable to Scan
Unable to scan!
Check the probe connection.YESNO
Are probes connected in 
right way?
Restart the scanner.
Are other operations possible?YES
Check the HV power supply unit.
NO
END 

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL  
7 - 28 Section 7-7 - Trouble Shooting Tree
7-7-5 Trackball
Figure 7-16   Trackball Troubleshooting
The trackball is low sensitive!
Remove the ball from  the Trackball, 
and clean it.
YES
NODoes the trackball move at  all?
Replace the trackball unit. 

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL 
Section 7-7 - Trouble Shooting Tree 7 - 29
7-7-6 Monitor Troubleshooting
NOTE: Reset the monitor settings to the factory defaults prior to troubleshooting the monitor.
NOTICEComments to remember about the 15” monitor.
The monitor is the diagnostic monitor and is connected to AC 110/220 VAC.
The monitor powers down with the console.
Power output from AC Po wer assy via AC distributor in AC Transbox assy:
When the monitor is not...

GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL  
7 - 30 Section 7-7 - Trouble Shooting Tree
7-7-6               Monitor Troubleshooting (cont’d)
• Monitor does not work  - Check AC circuit breaker
- Verify power is present at monitor outlet
- Check if video is present at backplane
• Prints do not match monitor - Verify factory default settings. Chapter 18 in  the User Manual calls out suggested settings for 
various exam and lighting conditions.
• Video test patterns are not clear,...