LeCroy WAVERUNNER 6000 SERIES - Page 139

6.8.5 No Display (Internal or External)
N O
V ERIFY THAT THERE IS +5V ON
THE
RED WIRES , +3.3V ON THE
ORANGE
WIRES , -12V ON THE
BLUE
WIRE AND +12V ON THE
YELLOW
WIRE TO THE
PROCESSOR
BOARD
T HIS PROCEDURE ASSUMES THAT
VIDEO
IS NOT PRESENT ON AN EXTERNAL
MONITOR
* CONNECTED TO THE REAR PANEL AND
THAT
THE INTERNAL SCOPE COOLING FANS ARE
OPERATIONAL
R EPLACE POWER SUPPLY
R EMOVE PCI CARD AND
OPTIONAL
GPIB CARD
Y ES
N O
A RE THEY
CORRECT
?
I S V IDEO PRESENT ?
N O
Y ES
R EPLACE CARD WHICH WAS
CAUSING
PROBLEM
R EPLACE CPU MOTHERBOARD
R EMOVE AGP/DVO I NTERFACE
I S
V IDEO PRESENT
ON
EXTERNAL
MONITOR
?
R EPLACE AGP/DVO I NTERFACE
Y ES
N O
*External monitor must be connected to rear panel connector before power is turned on to scope.
*External video will not be present after Windows starts booting unless it is enabled from within
Windows however it will be visible for ~30 seconds after power on..
Maintenance 6-43