GE T8, Basic Service Manual

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Common Diagnostics
Vivid T9/Vivid T8 – Basic Service Manual 7-39
5795591-100 English Rev. 3
7-5-2 Service Diagnostics
BF, COMEXP and GFS modules are on the Vivid T9/Vivid T8
WMST PWA.
CPS is WPWR/DCDC PWA.
IOS is SMIO PWA.
PID is SLRY 4-Probe PWA.
7-5-2-1 GFS
• GFS Swept Demodulator Test performs a signal path test of
the swept demodulator FPGA on the GFS.
• GFS Front-End Interface Test tests that the GFS can access
Front-End boards.
• GFS Analog Test.
• GFS Memory Access Test tests that GFS can access to the
internal, external, external cache memory spaces.
• Front End Interface FPGA Test reads the version of the GFE
FPGA.
• GFS Fixed Demo Test: GFS Fixed Demodulator signal path
test.
• DSP Master Clock Test tests DSP Master Clock.
• GFS Swept Demodulator Long Test.
7-5-2-2 System
• CPU Temperature Test.
• CPS Temperature Test.
• WMST Temperature Test.
• WMST Voltage Test.
• CPS Voltage Test.
• FPGA Version Test.
• HV_STOP Test tests HV-STOP mechanism and checks
each board is able to assert HV_STOP using its HV_STOP
source.