Heathkit H9 - INTRODUCTION; OPERATION

Pase2
@
TABLE
OF CONTENTS
INTRODUCTION.
OPERATION
Local Function Keys
Special
Function Keys.
Control Characters
HoId Screen .. . .
SYSTEM
CONSIDERATIONS
Heathkit
Computer System Interface
Standards
General
Interfacing
READIUSTMENT
Brightness
Focus
Centering
Height
width
Repeat Rate
.
Cleaning
SPECIFICATIONS
TROUBLESHOOTING
Troubleshooting
Charts.
.. . .
Troubleshooting
Waveforms .
Shipping Information
4
5
8
B
10
L2
26
26
26
27
28
30
30
32
CIRCUIT DESCRIPTION
BasicOverview.. ....47
PowerSupply .......48
Video
Circuits
.......
48
CharacterGenerator
.....,..50
KeyboardCircuitBoard
....54
RAM
and Counter ...
55
Timing and Processing
Unit
(TPU)
.. . . .. 57
Input/Output
(I/O)
... 66
SEMICONDUCTOR IDENTIFICATION
ComponentNumberlndex
........68
PartNumberlndex
...71
ROM
and PLA Programs
..
....... 85
X-RAY Views ...
(Illustration
Booklet, Page
74-23)
SCHEMATIC....
Fold-in
WARRANTY....
.. Insidefrontcover
CUSTOMER
SERVICE
.... Insiderear
cover
33
35
43
46