HP 54540 Series - Trigger

Chapter 5: Troubleshooting
To troubleshoot the instrument
FROM CHART 1
DISCONNECT CRT
MONITOR CABLE
FROM CRT MONITOR
ASSEMBLY
cm
CHECK FOR VOLTAGES
AND SIGNALS
REPLACE CRT
MONITOR
ASSEMBLY
CBOARD, CRT, YOKE)
(OL TAGE
AND SIGNALS
OK?
CHECK CRT MONITOR
CABLE FOR
CONTINUITY
REPLACE CRT
MONITOR CABLE
FOLLOW SUPPLY
ISOLATED PROCEOURE
TO CHECK POWER
SUPPLY VOLTAGES
REPLACE
POWER SUPPLY
VOLTAGES OK
?
CHECK DC POWER
SUPPLY CABLE
FOR CONTINUITY
NO REPLACE
CABLE
YES
REPLACE MAIN
L_
ASSEMBLY
54542875
Trouble Isolation Chart for Display
GO TO CHART 1