Tektronix TDS1002B

Maintenance
TDS1000B and TDS2000B Series Oscilloscope Service Manual
6-- 23
Yes
No
No
Power cord
attached?
Open case
Fuse OK?
Attach power
cord
Reinstall case
Replace power
supply
Backlight cable
attached?
Attach backlight
cable
No
Using a high
voltage 100X
probe test voltages
on backlight
connectors
Replace display
~50 kHz
>700 V
pk--pk
?
Yes
No
Yes
Detach display
No
Replace power
supply
Yes
To Figure 6-4
From Figure 6-4
Yes
A
B
~50 kHz
>700 V
pk--pk
?
Figure 6--6: Oscilloscope troubleshooting tree (3 of 4)