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Packard Bell Manuals
Desktop
PB250
Technical manual
Packard Bell PB250 Technical Manual
Volume 2
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Technical manual
(236 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Controls and Indicators
PB250 P Ow er Supply Control Panel
Power Supply
Flexowriter Keyboard
Flexowriter Controls and Indicators
Installation Requirements
PB250 Computer Space Requirements
Maintenance and Troubleshooting
PROBE I Diagnostic Routine
Memory Mode
PROBE I Diagnostic Routine, Program Listing
PROBE ID D Iagnostic Routine (Flow Diagram)
Operation
Troubleshooting
Adjustment of Read Amplifier
Delay Line Adjustment
Test P Oints
Test Point Functions
Command Format
Data Format
Oscilloscope Format
Specifications
Parts List
PB250 Computer Assembly Parts List
PB250 Assembly
Logic Diagrams
Module Locations in Logic Diagrams
Module Locations
Engineering Drawings
Schematic
Schematic
Schematic
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cpb
1
TECHNICAL MANUAL
Volume 2
PBC 1002
Re vis
ion 1
Packard Bell C<>mputer
A
SUB
SIDI
AR
Y
0~
P
A CKARD 9
£1..1.. El..ECT,.ONICS
1905 ARMACOST AVEN
UE
•
LOS ANGELES 25.
CALIFORNIA
Ma
r
ch
16,
1962
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Table of Contents
Troubleshooting
MAINTENANCE AND TROUBLESHOOTING
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TROUBLESHOOTING
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