Tektronix TPS2000 Series

Maintenance
TPS2000 Series Digital Storage Oscilloscopes Service Manual
6-- 23
Yes
No
No
Power cord
attached?
Open case
Attach power
cord
Reinstall case
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
Detach display
No
Replace LCD
Backlight board
Yes
To Figure 6-- 9
From Figure 6--9
Yes
A
B
~50 kHz
>700 V
pk--pk
?
E
Verify IO board
voltages
From Figure
6-- 10
Yes
Figure 6--11: Oscilloscope troubleshooting tree (3 of 4)