Tektronix WFM6100 Opt. MB, Руководство по обслуживанию

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General Maintenance
WFM6100, WFM7000, and WFM7100 With Option FP Service Manual
4- 7
Table 4- 4: Symptoms and causes
Symptom Possible sources or recommended detailed troubleshooting procedure to follow
No LEDs lit and/or LCD not working Perform general checks.
Perform primary power supply checks.
Perform secondary power supply checks.
Perform Front Panel button Troubleshooting.
Perform LCD troubleshooting test.
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 On Self Tests (POST) results in the Diagnostic Log.
Run Advanced Diagnostics.
Replace Main circuit board.
Fails any of these Power On Self Tests
(POST):
H
SDI Deserializer Comm:
H
Main Board Option
H
Main Board Power Supplies
H
Main Board Sensor
H
Main Board Serial EEPROM
H
Main Board Serial FLASH
H
DSP FPGA A/B COMM
H
DSP FPGA A/B Program
H
Display FPGA COMM
H
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 Self Tests
(POST)
H
Composite DAC Comm:
H
Composite SPI Comm:
H
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.