Contents; Technical Specifications; Safety Test - AMSTRAD PC1640 Service Manual

CONTENTS
Technical
Specification
Safety Tests
FD-3 Maintenance
Flow Charts
Hard Disc
Installation
Instructions
Switch Settings
Understanding bad sectors on a hard
disc
Notes
Keyboard Exploded Diagram
Keyboard
Control
PCB
Layout
Keyboard Schematic Diagram
PC1640
Electrical
Parts
List
PC1
640/SD/DD/HD20
Cabinet Drawing &
Parts
List
PC1640/SD/DD/HD20 CPU
P.C.
Board
PC1 640/SD/DD/HD20
CPU
P.C.
Board (Bottom
View)
PC1640/SD/DD/HD20
Chassis Schematic Diagram
PC1 640/SD/DD/HD20
Chassis Schematic Diagram
PC1640/SD/DD/HD20
Chassis Schematic Diagram
PC1640/SD/DD/HD20
Chassis Schematic Diagram
PC1640/SD/DD/HD20
Chassis Schematic Diagram
PC1
640/SD/DD/HD20
Chassis Schematic Diagram
PC-MD
Electrical
Parts
List
PC-MD
Cabinet &
Parts
List
PC/MD
Main/CRT/Volume
P.C.
Board
PC/MD
Chassis Schematic Diagram
-
Power Supply
PC-MD
Chassis Schematic Diagram
PC-MD
Alignment
Instructions
PC-CD
Electrical
Parts
List
PC-CD
Electrical
Parts
List
PC-CD
Alignment
Instructions
PC/CD
Chassis Schematic Diagram
•
PC/CD
Chassis Schematic Diagram
PC/CD
Main
P.C.
Board
PC/ECD
Cabinet & Parts
List
PC-ECD
Electrical
Parts
List
PC-ECD
Alignment
Instructions
PC-ECD
RGB
P.C.
Board
PC/ECD CRT
P.C.
Board
PC-ECD
Relay
P.C.
Board
PC/ECD
Main
P.C.
Board
PC/ECD
Chassis Schematic Diagram
PC/ECD
Chassis Schematic Diagram
-
PC/ECD
Chassis Schematic Diagram
Monitor
Power Supply
Monitor
-TTL
Decoder
Power
Supply
Monitor
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TECHNICAL
SPECIFICATION
Internal
Graphics
Adaptor,
fully
compatible
640K
system
unit
with
all
circuitry
on a single
motherboard
8MHz
8086
processor
Three
full-size
compatible expansion
slots
(even with hard
disc
option)
One
or
two
360K
5'A"
floppy disks or
one
floppy with a 20
Megabyte
hard disk
drive.
RS232
serial
and
parallel
interface with
standard
connectors.
Loudspeaker
with
volume
control.
Battery
back-up
real
time clock and
configuration
RAM.
Socket
for
8087 maths
co-processor
Connector
for
light
pen and/or
joystick.
Full
sized keyboard.
Numlock
and Capslock.
Keyboard
joystick port.
Two-button
mouse
with dedicated
port
on system
unit.
Choice
of
one
of
three displays (paper-white
mono,
colour,
enhanced
colour) with
standard video connector.
ECD
monitor has
.31
mm
pitch
shadow
mask.
CD
monitor has
.42mm
pitch
shadow
mask.
Internal
Graphics Adaptor
provides:
Mono(MD):
80 column
high resolution
text
with
9x14
dot characters.
EGA
compatible
Monochrome
graphics
640
x
350
lines.
Colour
(CD):
(for
use
with
CGA
and
200-line
EGA
software)
40/80 column
text
with
8x8
dot characters
in
1
6 colours.
Medium
resolution
graphics
320
x
200
lines
in
4
colours.
High
resolution
colour graphics
640
x
200
lines
in
2 or
1
6
col^
Enhanced Colour
(ECD):
40/80 column
text with
8
x
14
or
8
x
8 dot characters
in
16
colours.
High
resolution
colour graphics
640
x
200
lines
in
2 or 16
colours.
Extra-high resolution graphics
640
x
350
lines
in
16 out
of
64
colours.
oIum^
Dimensions
(approx):
Monitors (Unboxed)
PC-MD
PC-CD
PC-ECD
System
Unit
Gross Weights
(approx):
Monitors
PC-MD
PC-CD
PC-ECD
System
Unit
PC-SD
PC-DD
PC-HD
WIDTH
350mm
370mm
370mm
370mm
HEIGHT
315mm
320mm
320mm
135mm
(Boxed)
9.0Kg
13.5
Kg
13.5
Kg
DEPTH
300mm
360mm
360mm
384mm
(Unboxed)
8.0Kg
11.5Kg
11.5Kg
(Boxed)
(Unboxed)
8.9Kg
10.5
Kg
11.0Kg
Keyboard (Boxed
with
system
unit)
5.0Kg
5.
8 Kg
e^QKg
SAFETY TEST
All
monitors are tested
to
the following specifications.
1
.
Flash
Test: Test
at
1
.5kV
RMS
/
3 sec
between
the
live
and
neutral poles of
the
mains
lead
and
all
accessible metal points
on
the
exterior of
the
set.
2.
Insulation
Resistance
Test: Test
at
1
.5kV
RMS
/
3 sec
between
the
live
and
neutral poles
of
the
mains
lead
and
all
accessible metal points
on the exterior
of
the
set to
show
a resistance greater
than
4Mohms.
3.
Earth Continuity Test:
The
resistance of
the
mains
lead
shall
not
exceed
0.5ohms.
PLEASE NOTE:
When
any work
is
completed on
this
unit,
correct safety
tests
must
be
carried
out
to
ensure continued
electrical safety.
PLEASE NOTE:
All
parts
shown
with the
part
number
prefix
/'\ are Safety
Items
and must be
replaced with
similar
items having
an
identical safety specification.
All
those items
may
be purchased
direct
from
AMSTRAD
pic.
AMSTRAD
PLC
BRENTWOOD
HOUSE,
169
KINGS
ROAD,
BRENTWOOD,
ESSEX
CM14
4EF.
TELEPHONE:
0277
230222.
TELEGRAMS:
AMSELEC BRENTWOOD.
TELEX:
995417 AMSELE
G.
In
keeping
with our policy of continually
improving our
service,
and the technical
quality of
our products,
we
reserve the
right to
change component
types,
manufacturers, sources
of
supply or technical specification
at
any
time.