HP 8341b - Section 6; Front Panel Rear Panel; Front Panel Theory of Operation; Introduction

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
i