A600_System_Schematics_1992-04_Commodore_text.pdf

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Produced
By:
Commodore
International
Spare
Parts
GmbH
Braunschweig,
West
Germany
SYSTEM
SCHEMATICS
A600
APRIL,
1992
PN-400422-02
INTERNATIONAL
EDITION
COMMODORE
"INTERNATIONAL
EDITION"
SERVICE
MANUALS
CON-
TAIN
PART
NUMBER
INFORMATION
WHICH
MAY
VARY
ACCORDING
TO
COUNTRY.
SOME
PARTS
MAY
NOT
BE
AVAILABLE
IN
ALL
COUNTRIES.
Commodore
1200
Wilson
Drive,
Business
Machines,
Inc.
West
Chester,
Pennsylvania
19380
U.S.A.
Commodore
makes
no
express
or
implied
warranties
with
regard
to
the
information
contained
herein.
The
infor-
mation
is
is
made
available
solely
on
an
as
is
basis,
and
the
entire
risk
as to
completeness,
reliability,
shall
not
with
the
user.
Commodore
in
connection
with
the
use
of
the
information
contained
herein.
The
listing
of
any
available
replacement
part
herein
does
not
constitute
in
any
case
a
recommenda-
tion,
warranty
or
guaranty
as
to
quality
or
suitability
of
such
replacement
part.
Reproduction
or
use
without
ex-
be
liable
for
and
accuracy
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or
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This
manual
contains
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No
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may
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or
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means,
electronic,
mechanical,
photo-
copying,
recording
or
otherwise,
without
the
prior
written
permission
of
Commodore
Electronics
Limited.
Copyright
©
1992
by
Commodore
Electronics
Limited.
All
rights
reserved.
Printed
in
U.S.A.
A600
SYSTEM
SCHEMATICS
/">
SECTION
1
TABLE
OF
CONTENTS
—
SPECIFICATIONS
1-1
SPECIFICATIONS
SECTION
4
—
PARTS
4-1
BOARD LAYOUT
SHIPPING
ASSEMBLY
MAIN
ASSEMBLY
SHIPPING
ASSEMBLIES
MAJOR
ASSEMBLIES
4-2
4-3
4-4
4-5
PCB
COMPONENTS
SECTION
5
—
SCHEMATICS
SCHEMATIC
#315987,
REV.
C
4-6
5-1
A600
SYSTEM
SCHEMATICS
r~\
SPECIFICATIONS
INTRODUCTION
The
A600
is
a
feature
enhanced
version
of
the
A500
personal
computer,
in
a
smaller
case
with
no
numeric
keypad.
FEATURES
CPU:
7.16MHz
68000
NTSC
7.09
MHz
68000
PAL
1MB
external
(A601)
MEMORY:
KICKSTART
ROM:
512KB
or
1MB
512K
(V2.XX)
internal
expandable
with
additional
MASS
STORAGE
MEMORY:
Internal,
3.5
inch
FDD
mounted
on
the
a
2.5
"
right
side.
The
A600
HD
will
contain
IDE
HDD.
card
interface.
ADDITIONAL
FEATURES:
PCMCIA/
JEIDA
IDE
Hard
Standard,
Memory
and
I/O
"
Drive
Interface
(2.5
form
factor)
Color
Composite
Video
output
RF
Audio/Video
Output
NEW
ADDITIONS
f~s
1)
8375
FAT
AGNUS
ECS
ECS
in
which
supports
2
Meg.
of
Chip
RAM
2)
8373
3)
Full
Denise
support
4)
5)
V2.XX
ROM
card
interface
")
Memory
and
I/O
IDE
Hard
6)
7)
8)
Drive
Interface
(2.5
Color
Composite
Video
Output
RF
Video/Audio
Output
CUSTOM
CHIPS
has
been
repackaged
in
PLCC
form
for
surface
mounting
application.
The
A600
will
use
the
8375
2MB
Fat
Agnus,
the
8373
ECS
Denise
and
the
8364R7
Paula
Chip
which
remains
functionally
unchanged.
Lastly,
the
A600
will
use
an
enhanced
version
of
the
5719
Gary
chip
called
Gayle,
which
supports
the
memory,
I/O
The
A600
custom
chip
set
card
interface
and
the
IDE
Hard
Drive
interface.
EXTERNAL
SYSTEM
I/O
External
floppy,
Serial,
Parallel,
Mouse,
Joystick,
Stereo
Audio
Ports
—
these
Ports
remain
unchanged
from
their
A500
counterparts.
1-1
A600
SYSTEM
SCHEMATICS
r>
PC
CARD
PCMCIA
SIGNAL
DESCRIPTIONS
No.
1
Ver.
3
No.
Ver.
3
GND
D3
D4
D5
D6
D7
GET
A10
0E
A11
2
3
4
5
6
7
8
35
36
37
38
39
40
41
GND
CUT
D11
9
10
11
42
43
44
D12
D13
D14
D15
CE2
(RFSH)
(0P1)
12
13
14
15
16
A9
A8
A13
A14
45
46
47
48
49
50
51
(0P2)
WE/P5M
(RDY/BS7)
A17
A18
A19
A20
A21
17
18
VCC
VPP1
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
19
20
21
22
23
24
52
53
54
55
56
57
58
VCC
VPP2
A22
A23
RFU
RFU
RFU
RFU
RFU
RFU
(REG)
25
26
27
28
29
30
59
60
61
A0
DO
D1
r>
31
32
33
D2
62
63
64
65
66
67
68
OP3
BVD1
D8
D9
D10
WP
GND
CD2
34
GND
IDE
SIGNAL
DESCRIPTIONS
Pin
1
Signal
Pin
reset
Signal
3
5
7
9
11
-
Host
+
Host
+
Host
2
4
6
8
Ground
data
7
data
6
+
Host
+
Host
data
8
data
9
13
15
17
19
21
+
Host
+
Host
+
Host
+
Host
+
Host
+
Host
Ground
data
5
data
4
data
3
10
12
14
data
2
data
1
16
18
20
22
24
26
28
30
32
34
36
38
40
data
+
Host
data
10
+
Hostdata11
+
Host
data
12
+
Host
data
13
+
Hostdata14
+
Host
data
15
Key
Ground
Ground
Ground
Reserved
23
25
27
29
31
-
Host
Low
-Host
I0R
Reserved
Reserved
+
Host
ALE
Ground
33
35
37
39
+
Host
IRQ
14
+
Host
Addr
1
+
Host
Addr
-
Host
CS
-HostSLV/ACT
-HostIO
16
-HostPlAG
+
Host
Addr
-HostCSI
Ground
2
1-2
A600
SYSTEM
SCHEMATICS
/*>
/*S
KEY
COMPONENTS
Ref.
CONNECTORS
Part
Chip
Description
Number
Ref.
Type
Description
Part
1
Number
U1
U2
U3
U4
U5
U6
U7-8
U10-11
68000
8375
8364
8373
4145-20
68000
Processor
8MHz
ECS
Agnus
A300/A500
+
Paula
390084-01
390544-01
391077-01
391081-01
391155-01
CN1
ECS
Denise
Gayle
Gate
Array
ASST
8520
28F10
ROM
256Kx16,
200ns
VIA.
1
391304-01
391078-01
391084-01
Amiga
MHz
U12
U13
U14
U16-17
CXA1145
6570-30
Flash
Memory
128Kx8
Sony
Video
Encoder
Amiga
Keyboard
MPU
NE555
Reset
Timer
391079-01
391104-01
391105-01
391103-01
391103-01
391087-01
CN2
CN3
CN4
CN5
CN6
CN7
CN8
CN9
CN10
CN11
CN12
CN13
CN14
CN13
CN14
CN15
P9
DB9P
DB9P
RCA-J
RCA-J
Mouse/Joystick
390242-01
390242-01
Mouse/Joystick 2
Right
Audio
Output
Left
Audio
Output
252122-02
252122-01
DB23S
DB25P
DB25S
External
Floppy
390241-03
390241-05
252167-01
390242-03
252122-01
903345-17
325516-04
390492-02
RS232
Serial
Port
Parallel
Printer
Port
SQDIN
DB23P
RCA-J
DIL-34
SIL-4
Power
Supply
Connector
Video
Output
Composite
Video
Internal
Floppy
Signal
Internal
Floppy
ASST
LF347
U15
U28
U29
X1
TL084
1488
1489
Dram
256Kx16,
120ns
Bimos
Op-Amp
Bimos
Op-Amp
EIA
Line
Driver
EIA
Line
Receiver
Power
MEM-30
SIL-4
Keyboard
Membrane
Internal
Floppy
Power
391314-01
391073-01
MEM-30
SIL-4
Keyboard
Membrane
391086-01
Y451
Y621
X2
OSC
OSC
XTAL
XTAL
ASST
ASST
TTL
28.63636
MHz
NTSC
TTL
28.37512
MHz
PAL
4.43619
MHz
PAL
Burst
3
MHz
Ceramic
Resonator
PAL
Video
Modulator
NTSC
Video
Modulator
325566-14
252344-01
252345-01
391156-01
313371-05
313371-01
PCMCIA
EDGE-80
Keyboard
Status
LED's
PC
"Memory
Card"
Memory
Bus
Expansion
4-1

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