HP 8340B Manual page 8

CONTENTS (Cont'd)
OVERALL INSTRUMENT TROUBLESHOOTING
.................................
A-31
Overall Instrument Troubleshooting Diagram
.....................................
A-34
Front and Rear Panel Items
...................................................
A-35
Instrument
Preset Conditions (1)
................................................
A-36
Instrument Appears Dead (2)
..................................................
A-37
Fan Runs Slowly,
All LEDs On(but
dim)
.........................................
A-37
Fan
(3)
....................................................................
A-37
Instrument
Check
LEDs Remain On (4)
..........................................
A-38
Oven Annunciator
(5)
.........................................................
A-38
Unlock Annunciator
(6)
.......................................................
A-39
Fault Annunciator
(7)
........................................................
A-40
Unleveled Annunciator
(8)
.....................................................
A-41
Overmod Annunciator(9)
......................................................
A-41
SRQ Annunciator (10)
........................................................
A-42
Upper Keyboard, Lower Keyboard, Displays
(11,12,13)
.............................
A-42
Frequency (14)
.............................................................
A-43
Power (15)
.................................................................
A-43
Sweep (16)
.................................................................
A-44
Spectral Purity/Harmonics (17,18)
..............................................
A-45
I/O Connectors (19)
..........................................................
A-49
Remote Operation (20)
.......................................................
A-49
REPAIR PROCEDURES
.......................................................
A-50
How
to Clean Printed Circuit board Fingers
.......................................
A-50
Module Exchange Program
...................................................
A-50
AFTER SERVICE SAFETY CHECKS
...........................................
A-51
Visual Inspection
............................................................
A-51
Check Line
Cord Ground
......................................................
A-51
Check the Line/Neutral
.......................................................
A-51
Check the Line Fuse
.........................................................
A-51
Air Filter
Replacement
........................................................
A-52
ASSEMBLY PIN I/O TABLES
.................................................
A-53
ii
Table of Contents
HP 8340B/41B