General Maintenance
Table 4: Symptoms and causes
Symptom
Possible sources or recommended detailed troubleshooting procedure to follow
No LEDs lit and XGA output not working
Perform general checks
Perform primary power supply checks
Perform secondary power supply checks
Perform Front Panel button Troubleshooting
Replace main circuit board or Front Panel assembly as indicated by above tests
Inconsistent or partial hardware failures
Perform primary power supply checks
Perform secondary power supply checks
Examine Power-up Diagnostics results in the Diagnostic Log
Run Advanced Diagnostics
Replace Main circuit board
Fails any of these Power On Diagnostics:
Main Board Option
Main Board Power Supplies
Main Board Sensor
Main Board Serial EEPROM
Main Board Serial FLASH
DSP FPGA A/B COMM
DSP FPGA A/B Program
Display FPGA COMM
Display FPGA Program
Review messages in diagnostic log
Perform primary power supply checks
Perform secondary power supply checks
Run Advanced Diagnostics and look for other information
Replace the main board
Fails any of these Power On Diagnostics:
Composite DAC Comm:
Composite SPI Comm:
Front Panel Version Information
Review messages in diagnostic log
Perform primary power supply checks
Perform secondary power supply checks
Run Advanced Diagnostics and look for other information
Replace the Composite board
Fails any of these Power On Diagnostics:
Eye Hardware Revision
Eye Board Cable Version
Eye Register Readback
Eye Board Power Supply
Eye Board Cal EEPROM
Review messages in diagnostic log
Perform primary power supply checks
Perform secondary power supply checks
Run Advanced Diagnostics and look for other information
Replace the EYE/PHY board
WVR7200 Waveform Rasterizer Service Manual
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