Tektronix AWG7000 Series, Service Manual

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Troubleshooting
4-40
AWG7000 Series Service Manual
Figure 4-18: Primary troubleshooting tree (1)
Apply AC power, look at the
monitor LED light inside
(CVR460 power supply)
Start
Does the green LED
blink?
Remove the cover, push
the power switch.
Power indicator
(green) lights up?
Fan working?
Tektronix logo
appears?
Windows XP
running?
Is AWG software
running?
Front panel
keys and LEDs
Touch
screen
Replace the power supply.
FSW board OK?
Replace the FSW board.
Replace the fan.
Replace
µ
-ATX, MIO, or
LCDA board. LCD or
back-light unit.
Replace
µ
-ATX or HDD
unit.
Replace HDD unit.
Replace the front-panel
board.
Replace the LCDA board or
touch screen.
Output voltage
of CVR460 OK?
PWR board OK?
Replace the
µ
-ATX board.
Replace the power supply.
Replace the PWR board.
1
Yes
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes