Tektronix TDS 340A

Troubleshooting
TDS 340A, TDS 360 & TDS 380 Technical Reference
6–45
WARNING
No
Yes
Use this procedure to
troubleshoot a power supply
overload problem.
Replace the Main board.
Turn the oscilloscope off before
disconnecting a cable.
Disconnect J603 from the
Main board.
Does
supply
work?
Replace the Front Panel
module.
No
Yes
Disconnect J601 from the
Main board.
Does
supply
work?
Replace the Option module.
No
Yes
Disconnect J4 from the
Main board.
Does
supply
work?
Replace the Option module.
Figure 6–31: Power supply overload troubleshooting procedure