Tandberg 9100 X 9200 XD Service Manual

Page 2

LOGIC CIRCUITS DESCRIPTION

All paragraphs in the first half of the book are valid for the 9000 series.

CONTENTS
Paragraph Page
1.0 Logic circuit types and triggering

methods ......................... 3
2.0 General description ................ 7
3.0 Operating modes .................. 11
4.0 Table of operating sequences ......... 19

Circuit diagram logic, model 9000X . . . 21
Circuit diagram logic, model 9100X

and 9200XD ..................... 22
The signal path to stop from power on . 23
The signal path to play from stop ..... 24

MECHANICAL AND ELECTRICAL ADJUSTMENTS

All paragraphs in the other half are valid for models 9100X and 9200XD.

CONTENTS
Paragraph Page
1.0 Dismantling ...................... 25
2.0 Regular maintenance ............... 26
3.0 Mechanical servicing ............... 27
4.0 Tape-path adjustments ............. 30
5.0 Erase and bias circuits .............. 32
6.0 Head alignment four track ........... 33
7.0 Head alignment, without test tape,

four track ....................... 35
8.0 Head alignment, two tracks .......... 35

9.0 Modification from'four to two tracks . . 36

10.0 Changing from 220 V/50 Hz to
115 V/60 Hz .................. .. .. 36

11.0 Changing the photo-electric end-stop. . . 37

Adjustments table, model 9100X
and 9200XD ..................... 38

Circuit diagrams and printed boards,
model 9100X and 9200XD .......... 39