4. Remove Assemblies
a. Turn the analyzer power o. Remove the assemblies, A2, A3, A5, A7, A8 and A51.
b. Turn the analyzer power on. Look at the A1 +5 VD LED.
If the LED is still o, inspect the A20 motherboard.
If the LED goes on, the A20 motherboard are veried. Continue with the next step.
c. Reinstall one of the removed assemblies at a time. Turn the analyzer power on after each
is installed. The assembly that turns the A1 +5 VD LED on is the most probable faulty
assembly. Replace the assembly.
5. Remove Assemblies
a. Turn the analyzer power o. Remove the assemblies, A2, A3, A5, A7, A8, A51 and A9J2.
b. Turn the analyzer power on. Look at the A1 +5 VD LED.
If the LED is still o, inspect the A20 motherboard.
If the LED goes on, the A20 motherboard are veried. Continue with the next step.
c. Reinstall one of the removed assemblies at a time
. Turn the analyzer power on after each
is installed. The assembly that turns the A1 +5 VD LED on is the most probable faulty
assembly. Replace the assembly.
7-10 Power Supply Troubleshooting
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