GE Solar 7000 Service Manual page 120

Area
I/O Connectors and
Interface Cables
Internal Harnesses and
Cables
Circuit Boards
Ground Wires/Wiring
Mounting Hardware
Power Source
4-34
TROUBLESHOOTING: General Fault Isolation
Take the time to make all the recommended visual checks (refer to the
visual inspection chart below) before starting any detailed
troubleshooting procedures.
Visual Inspection Chart
Look for the following problems:
Fraying or other damage
Bent prongs or pins
Cracked housing
Loose screws in plugs
Excessive cable tension or wear
Secure mounting hardware
Excessive tension or wear
Loose connection
Strain reliefs out of place
Moisture, dust, or debris (top and bottom)
Loose or missing components
Burn damage or smell of over-heated components
Socketed components not firmly seated
PCB not seated properly in edge connectors
Whenever you swap a main processor PCB, remember to exchange the
serial EEPROM U9.
Solder problems: cracks, splashes on board, incomplete feedthrough, prior
modifications or repairs
Loose wires or ground strap connections
Faulty wiring
Wires pinched or in vulnerable position
Loose or missing screws or other hardware, especially fasteners used as
connections to ground planes on PCBs
Faulty wiring, especially AC outlet
Circuit not dedicated to system
(Power source problems can cause static discharge, resetting problems, and
noise.)
WARNING
Solder multilayer and surface mount PCB assemblies at
your own risk! Improper repair methods can damage the
PCB assemblies even further. Only qualified service
personnel with the proper laboratory equipment should
attempt to repair PCB assemblies.
Solar 7000/8000/View Patient Monitor
414993-001
Revision J