Tektronix TDS2024B

Maintenance
6-- 22
TDS1000B and TDS2000B Series Oscilloscope Service Manual
Verify power
supply voltages
Power
supplies OK?
Replace main
board
No
Replace power
supply
Power
supplies OK?
No
Yes
Replace main
board
Verify power
supply Voltages
Disconnect
power supply
Yes
No
Able to run
front panel
tests?
Run front panel
tests in service
menu
<5key
problem
No
Yes
Yes
Replace front
panel board
Check cabling to
main board;
Replace cable or
main board
Check cabling to
main board.
Replace cable;
front panel or main
board
From Figure 6-4
C
From Figure 6-4
D
Figure 6--5: Oscilloscope troubleshooting tree (2 of 4)