Tektronix TDS2002

Maintenance
6-- 34
TDS1000 and TDS2000 Series Digital Storage Oscilloscopes Service Manual
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 6-19
From Figure 6-19
Yes
A
B
~50 kHz
>700 V
pk--pk
?
Figure 6--21: Oscilloscope troubleshooting tree (3 of 3)