Troubleshooting
6-38
TLA5000 Series Service Manual
Check for Common Problems
Use Table 6--2 to quickly isolate possible failures. The table lists problems
related to the logic analyzer and possible causes. The list is not exhaustive, but it
may help you eliminate a problem that is quick to fix, such as a loose cable.
Table 6- 2: Failure symptoms and possible causes
Symptom Possible cause(s)
Logic analyzer will not turn on H Power cord not plugged in
H Faulty power supply
Logic analyzer turns on but
one or more fans will not
operate
H Faulty fan cable
H Defective fan assembly
H Faulty power supply
H Faulty fan controller circuitry on the interface board
Controller appears “dead”;
power light comes on, but
monitor screens i s (are) blank,
logic analyzer emi ts no beeps
H DIMMs incorrectly installed or missing
H Defective mother board
H CMOS settings may have the primary video adapter
switched from PCI t o AGP. Check CMOS settings.
External moni tor does not
power on
H Monitor power cord not plugged in
H Failed fuse
H Monitor failure
External moni tor powers on,
but is blank
H External monitor controls turned down
H Monitor cable faulty or not connected to logic analyzer
H Monitor defective
H Check Windows display properties to see if the external
monitor is enabled
Hard disk drive related
symptoms
H Defective hard disk drive
H Incorrect hard disk type selected in the BIOS setup
H Power supply failure
H Controller BIOS setup problem. See BIOS Settings
H Loose cable
H Faulty motherboard
CD-RW ROM related symp-
toms
H Defective CD-RW ROM
H Defective ribbon cable from PC mother board to CD-RW
ROM adapter board
H Defective CD-RW ROM power cable
H Defective CD-RW ROM adapter board
H Incorrect CD-RW ROM configuration in the BIOS setup
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