Front Panel Rear Panel; Introduction; Front Panel Theory Of Operation - HP 8340B Manual

Front Panel
-
Rear Panel
Assembly-Level Service
CONTENTS
INTRODUCTION
..............................................................
G-1
Assemblies
.................................................................
G-1
FRONT PANEL THEORY OF OPERATION
.......................................
G-2
Front Panel
Microprocessor
....................................................
G-2
Displays
...................................................................
G-2
LED Annunciators
............................................................
G-2
Keyboards
..................................................................
G-2
RPG
.......................................................................
G-3
Power Standby/On Switch
.....................................................
G-3
A1
Alpha Display Assembly
....................................................
G-3
A2 Display Driver Assembly
....................................................
G-3
A3 Display
Processor Assembly
................................................
G-3
A5 Keyboard Assembly and A7 Lower
Keyboard Assembly
...........................
G-4
A6 Keyboard Interface Assembly
................................................
G-4
Front Panel Simplified Block Diagram
............................................
G-5
FRONT PANEL OVERALL ASSEMBLY-LEVEL TROUBLESHOOTING
...............
G-6
Instrument Preset
.......................................... .................
G-6
LED and Annunciator Test
....................................................
G-6
Alphanumeric
Display Test
.....................................................
G-7
Key and
RPG Test
...........................................................
G-7
Front Panel Connectors
.......................................................
G-7
A3 DISPLAY PROCESSOR ASSEMBLY-LEVEL TROUBLESHOOTING
..............
G-8
Equipment Required
..........................................................
G-8
Procedure
..................................................................
G-8
AS KEYBOARD
&
A7 LOWER KEYBOARD
ASSEMBLY-LEVEL
TROUBLESHOOTING
...................................................
G-10
Annunciators
...............................................................
G-10
A6 KEYBOARD INTERFACE ASSEMBLY-LEVEL TROUBLESHOOTING
............
G-11
Equipment Required
.........................................................
G-11
Procedure
..................................................................
G-11
Front Panel Block Diagram
.................................................
G-13
Front Panel Major Assemblies
Location
Diagram
..................................
G-15
HP 8340B/41B
Table of
Contents
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