Tandy 1400LT Service Manual page 4

Vl.2
.
Parts List
.................................................................................................................
6-9
MAIN PCB Assembly
.............................................................................................
6-9
POWER PCB Assembly
........................................................................................
6-16
SUB PCB Assembly
...............................................................................................
6-19
MEMORY PCB Assembly
.....................................................................................
6-20
LED PCB Assembly
...............................................................................................
6-21
LCD Unit Assembly
...............................................................................................
6-22
Mechanical and Assembly Parts
........................................................................
6-28
Keyboard Unit Assembly
.....................................................................................
6-30
FDD
...........................................................................................................................
6-23
PART VI1
.
CIRCUIT DIAGRAMS
.................................................................................
7-1
VII-1 Main PCB Circuit Diagram
...................................................................................
7-1
Vll-2 RAM PCB Circuit Diagram -RAM
........................................................................
7-18
Vll-3 LED (Upper) PCB Circuit Diagram-LED
............................................................
7-19
Vll-4 Power (SUB) PCB Circuit Diagram
....................................................................
7-20
PART Vlll PCB VIEWS
....................................................................................................
8-1
VIII-1 MAIN PCB Views
....................................................................................................
8-1
Vlll-2 POWER PCB Views
...............................................................................................
8-3
Vlll-3 UPPER PCB (LED) Views
.....................................................................................
8-4
Vlll-4 SUB PCB Vliews
....................................................................................................
8-4
Vlll-5 MEMORY PCB Views
............................................................................................
8-5
APPENDICES
Appendix A
.
LCD SPECIFICATIONS
............................................................................
A-1
1
.
2
.
3
.
4
.
5
.
6
.
7
.
8
.
Application
........................................................................................................
Composition
......................................................................................................
Mechanical Specifications
.............................................................................
Electrical Specifications
................................................................................
Interface Specifications
.................................................................................
Optical Characteristics
...................................................................................
Option
.................................................................................................................
Precautions in use
..........................................................................................
A- 1
A- 1
A-2
A-3
A-5
A-9
A-11
A-12
Appendix B
.
REPLACEMENT OF EL BACK LIGHT
...................................................
B-1
Appendix C
.
3.5 inch FDD SPECIFICATIONS
.............................................................
C-1
1
.
Introductions
....................................................................................................
C-1
2
.
Electrical Interface
..........................................................................................
C-6
4
.
Installation
.........................................................................................................
C-18
5
.
Operation Procedure
......................................................................................
C-20
6
.
Recording Format
...........................................................................................
C-21
3
.
Physical Interface
..............................................................................................
C-16
...
111