LeCroy WAVERUNNER 6000 SERIES - Page 136

6-40 Maintenance
6.8.4 Power Supply Problem
P RESS THE FRONT
PANEL
POWER SWITCH
I S THE
REAR
PANEL FAN
RUNNING
?
Y ES
N O
V ERIFY THE VOLTAGES
ON
EACH OF THE
CONNECTORS
LISTED IN
SECTION
4.6.4.
A RE ANY OF THE
VOLTAGES
MISSING
N O
Y ES
Y ES
D ISCONNECT FRONT
PANEL
CONNECTOR
FROM
CPU
V ERIFY THAT THE
SUPPLY
IS NOT BEING
LOADED
DOWN BY ONE
OF
THE BOARDS .
R EPLACE THE
ASSEMBLY
LOADING
DOWN
THE SUPPLY
VOLTAGE
I S IT BEING
LOADED
DOWN
R EPLACE THE POWER
SUPPLY
Y ES
N O
R EPLACE THE POWER
SUPPLY
I S THE
P OWER S UPPLY
FAN
RUNNING ?
N O
S HORT O N /O FF PINS OF
THE
PROCESSOR FRONT
PANEL
CONNECTOR
USING
A METAL BLADED
SCREWDRIVER
D ID
THE
UNIT TURN
ON
?
V ERIFY POWER SWITCH
CABLE
IS PLUGGED INTO
ACQUISITION
BOARD
Y ES
R EPLACE POWER
SWITCH
S HORT P IN 13 TO PIN
14 OF THE P ROCESSOR
BOARD
POWER
CONNECTOR
TOEGTHER
USING
A PAIR OF
TWEEZERS
D ID
THE
UNIT TURN
ON
?
R EPLACE PROCESSOR
BOARD
R EPLACE POWER
SUPPLY
N O
Y ES
No
+
+
HD LEDR ESET I NFRARED
O N /O FF P WR LED
M OTHERBOARD F RONT
P ANEL H EADER
A
B