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r
SYSTEM SCHEMATICS
A600
APRIL, 1992
v
PN-400422-02
y
Cs Commodore
J
Page 2
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 Business Machines, Inc.
1200 Wilson Drive, 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 made available solely on an as is basis, and the
entire risk as to completeness, reliability, and accuracy
is with the user. Commodore shall not be liable for any
damages 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
press permission, of editorial or pictorial content, in any
matter is prohibited.
This manual contains copyrighted and proprietary information. No part
of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any 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.
Page 3
A600 SYSTEM SCHEMATICS
TABLE OF CONTENTS
SECTION 1 — SPECIFICATIONS
SPECIFICATIONS...................................................................................................................1-1
SECTION 4 — PARTS
BOARD LAYOUT....................................................................................................................4-1
SHIPPING ASSEMBLY...........................................................................................................4-2
MAIN ASSEMBLY.................................................................................................................. 4-3
SHIPPING ASSEMBLIES.......................................................................................................4-4
MAJOR ASSEMBLIES........................................................................................................... 4-5
PCB COMPONENTS...............................................................................................................4-6
SECTION 5 — SCHEMATICS
SCHEMATIC #315987, REV. C..............................................................................................5-1
Page 4
A600 SYSTEM SCHEMATICS
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
MEMORY:
KICKSTART ROM:
MASS STORAGE MEMORY:
512KB or 1MB internal expandable with additional 1MB external (A601)
512K (V2.XX)
Internal, 3.5 inch FDD mounted on the right side.
The A600 HD will contain a 2.5" IDE HDD.
ADDITIONAL FEATURES: PCMCIA/JEIDA Standard, Memory and I/O card interface.
IDE Hard Drive Interface (2.5 " form factor)
Color Composite Video output
RF Audio/Video Output
NEW ADDITIONS
1) 8375 FAT AGNUS which supports 2 Meg. of Chip RAM
2) 8373 ECS Denise
3) Full ECS support
4) V2.XX in ROM
5) Memory and I/O card interface
6) IDE Hard Drive Interface (2.5")
7) Color Composite Video Output
8) RF Video/Audio Output
CUSTOM CHIPS
The A600 custom chip set 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
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
Page 5
A600 SYSTEM SCHEMATICS
PC CARD
PCMCIA SIGNAL DESCRIPTIONS
No. Ver. 3 No. Ver. 3
1
GND
35
GND
2 D3
36
CDT
3 D4 37
D11
4
D5 38
D12
5
D6
39
D13
6
D7 40 D14
7
CET
41 D15
8
A10 42
m
9
m
43
(RFSH)
10 A11
44
(0P1)
11 A9 45
(0P2)
12 A8
46
A17
13 A13 47 A18
14 A14 48 A19
15
WE/PSM
49 A20
16
(RDY/B5V)
50 A21
17 VCC 51 VCC
18
VPP1
52 VPP2
19 A16 53 A22
20 A15 54
A23
21 A12 55
RFU
22 A7 56
RFU
23 A6 57
RFU
24 A5 58
RFU
25
A4
59
RFU
26 A3 60
RFU
27
A2 61
m )
28
A1
62
0P 3
29 AO 63 BVD1
30 DO 64
D8
31
D1
65
D9
32 D2
66 D10
33
WP 67
CD2
34 GND
68 GND
IDE SIGNAL DESCRIPTIONS
Pin
Signal Pin Signal
1
- Host reset 2
Ground
3 + Host data 7 4
+ Host data 8
5 + Host data 6
6
+ Host data 9
7
+ Host data 5
8
+ Host data 10
9
+ Host data 4 10
+ Host data 11
11
+ Host data 3
12
+ Host data 12
13
+ Host data 2 14
+ Host data 13
15
+ Host data 1
16
+ Host data 14
17
+ Host data 0
18
+ Host data 15
19 Ground
20
Key
21
Reserved
22
Ground
23 - Host Low
24
Ground
25 -H o s t I0R
26
Ground
27 Reserved
28
+ Host ALE
29 Reserved
30 Ground
31 + Host IRQ 14
32
-H o st IO 16
33 + Host Addr 1
34
-H o s t PIAG
35 + Host Addr 0
36
+ Host Addr 2
37 -H o s t CS 0
38 -H o s t CS 1
39
-H o st SLV/ACT
40 Ground
1-2
Page 6
A600 SYSTEM SCHEMATICS
KEY COMPONENTS
Ref.
Chip
Description Part Number
U1
68000
68000 Processor 8MHz 390084-01
U2
8375
ECS Agnus A300/A500 + 390544-01
U3 8364 Paula
391077-01
U4
8373
ECS Denise
391081-01
U5
4145-20 Gayle Gate Array 391155-01
U6
ASST
ROM 256Kx16, 200ns 391304-01
U7-8 8520
Amiga VIA. 1 MHz 391078-01
U10-11
28F10
Flash Memory 128Kx8
U12 CXA1145
Sony Video Encoder 391084-01
U13 6570-30
Amiga Keyboard MPU 391079-01
U14
NE555
Reset Timer 391104-01
U16-17
ASST
Dram 256Kx16, 120ns 391105-01
U15
LF347
Bimos Op-Amp 391103-01
TL084 Bimos Op-Amp
391103-01
U28
1488
EIA Line Driver
391087-01
U29
1489
EIA Line Receiver 391086-01
X1
OSC
TTL 28.63636 MHz NTSC
325566-14
OSC
TTL 28.37512 MHz PAL
252344-01
Y451 XTAL
4.43619 MHz PAL Burst
252345-01
Y621 XTAL
3 MHz Ceramic Resonator 391156-01
X2
ASST
PAL Video Modulator
313371-05
ASST
NTSC Video Modulator 313371-01
CONNECTORS
Ref. Type
Description
Part Number
CN1
DB9P
Mouse/Joystick 1
390242-01
CN2 DB9P
Mouse/Joystick 2 390242-01
CN3
RCA-J Right Audio Output
252122-02
CN4
RCA-J
Left Audio Output
252122-01
CN5
DB23S
External Floppy
390241-03
CN6
DB25P
RS232 Serial Port
CN7
DB25S
Parallel Printer Port
390241-05
CN8 SQ DIN
Power Supply Connector 252167-01
CN9
DB23P
Video Output
390242-03
CN10
RCA-J Composite Video
252122-01
CN11 DIL-34
Internal Floppy Signal
903345-17
CN12
SIL-4 Internal Floppy Power
325516-04
CN13 MEM-30
Keyboard Membrane
390492-02
CN14
SIL-4
Internal Floppy Power
CN13
MEM-30
Keyboard Membrane
CN14
SIL-4
Keyboard Status LED’s
391314-01
CN15 PCMCIA
PC “Memory Card”
391073-01
P9 EDGE-80
Memory Bus Expansion
4-1
Page 7
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Page 8
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Page 9
A600 SYSTEM SCHEMATICS
Commodore International Spare Parts List
SHIPPING ASSEMBLIES
Commodore part numbers are provided for reference only and do not indicate the availability of spare parts from Commodore. Industry standard
parts (Resistors, Capacitors, Connectors) should be secured locally. Part number information may vary according to country, some parts may
not be available in all countries. Part Numbers are subject to change.
A600 SHIPPING ASSY
A600 SHIPPING ASSY (Continued)
530300-01
U.S.
391029-02
POWER SUPPLY BSI 240V
530300-02 CN
391029-03 POWER SUPPLY VDE 220V
530300-03
U.K. 391029-04
POWER SUPPLY SEV 220V
530300-04 GR
391029-05
POWER SUPPLY SAA 220V
530300-05
FR
327124-02 MOUSE ASSY
530300-06 IT 390925-01
CABLE 25 PIN SCART TO 23 PIN D SUB (FOR TV CONN)
530300-07 SP
364346-01 BOX ACCESSORY
530300-08
SG 364342-01
SPACER CARDBOARD
530300-09 SF
364342-02
SPACER CARDBOARD
530300-10 AU NOT USED
318143-02 GLUE WHITE
530300-11 NR 366923-01 LABEL UPC
530300-12 SD 368084-01
SEAL TAMPER EVIDENT (2 ON SINGLE PACK BOX FLAPS)
530300-13
FN
999104-01 TAPE ADHESIVE TRANSPARENT 50MM
530300-14
NE
315938-01 SOFTWARE SUB ASSY U.S.
530300-15 DN 315938-02
SOFTWARE SUB ASSY CN
530300-16
BF 315938-03
SOFTWARE SUB ASSY UK
530300-17 BD
315938-04 SOFTWARE SUB ASSY GR
530300-18
AL
315938-05 SOFTWARE SUB ASSY FR
530300-19 CEL
315938-06 SOFTWARE SUB ASSY IT
530300-20 PG
315938-07
SOFTWARE SUB ASSY SP
364055-01
BOX MASTER SHIPPING
315938-08 SOFTWARE SUB ASSY SG
364056-01 BOX PACK SINGLE
315938-09 SOFTWARE SUB ASSY SF
315995-01
MAIN ASSY US/CN
315938-10
SOFTWARE SUB ASSY NR
315995-02 MAIN ASSY GR/AU
315938-11
SOFTWARE SUB ASSY SD
315995-03 MAIN ASSY FR/BE
315938-12 SOFTWARE SUB ASSY FN
315995-04
MAIN ASSY SD/FN
315938-13
SOFTWARE SUB ASSY NE
315995-05 MAIN ASSY SP
315938-14
SOFTWARE SUB ASSY DN
315995-06 MAIN ASSY DN
315938-15
SOFTWARE SUB ASSY BF
315995-07
MAIN ASSY SEV
315938-16 SOFTWARE SUB ASSY AL
315995-08 MAIN ASSY NR
368435-01
MANUAL INTRODUCING THE A600 ENGLISH
315995-09 MAIN ASSY NE
368436-01 MANUAL INTRODUCING THE A600 GERMAN
315995-10
MAIN ASSY UK/AL
368437-01
MANUAL INTRODUCING THE A600 FRENCH
315995-11
MAIN ASSY IT
368438-01 MANUAL INTRODUCING THE A600 ITALIAN
315995-12 MAIN ASSY PG
368439-01
MANUAL INTRODUCING THE A600 SPANISH
1540025-01
BAG POLY ANTISTATIC
368440-01
MANUAL INTRODUCING THE A600 NORWEGIAN
324457-01
BAG DRYING AGENT
368441-01
MANUAL INTRODUCING THE A600 SWEDISH
364057-01 ENDCAP LEFT
368443-01
MANUAL INTRODUCING THE A600 DUTCH
364057-02
391029-01
ENDCAP RIGHT
POWER SUPPLY UL/CSA 110V
368444-01
MANUAL INTRODUCING THE A600 DANISH
4-4
Page 10
A600 SYSTEM SCHEMATICS
Commodore International Spare Parts List
A600 MAJOR ASSEMBLIES
Commodore part numbers are provided for reference only and do not indicate the availability of spare parts from Commodore. Industry standard
parts (Resistors, Capacitors, Connectors) should be secured locally. Part number information may vary according to country, some parts may
not be available in all countries.
315995-01
MAIN ASSY US/CN
315986-02 PCB ASSY PAL
315995-02
MAIN ASSY GR/AU
315986-03 PCB NTSC 1M
315995-03
MAIN ASSY FR/BE
315992-01 LED ASSY
315995-04
MAIN ASSY SD/FN
363951-01
NAMEPLATE A600
315995-05
MAIN ASSY SP
363788-01 TOP SHIELD
315995-06
MAIN ASSY DN
363789-01
BOTTOM SHIELD
315995-07
MAIN ASSY SEV
363790-01 INSULATION SHEET
315995-08
MAIN ASSY NR
363795-01
BRACKET SUPPORT FDD
315995-09
MAIN ASSY NE
363914-01
DRIVE FLOPPY DISK 3.5"
315995-10 MAIN ASSY UK/AL
363969-01 SUPPORT HARD DISK DRIVE
315995-11
MAIN ASSY IT
366800-01 LABEL RATING & SERIAL PAL
315995-12
MAIN ASSY PG
366800-02
LABEL RATING & SERIAL NTSC
363786-01 TOP CASE 366800-03 LABEL RATING & SERIAL PAL (SUBSTITUTE)
363756-01
KEYBOARD ASSY US/CN
366800-04 LABEL RATING & SERIAL NTSC (SUB)
363756-04 KEYBOARD ASSY GERMAN
366800-05
LABEL RATING & SERIAL PAL (SUB)
363756-05 KEYBOARD ASSY FRENCH
366800-06 LABEL RATING & SERIAL NTSC (SUB)
363756-12 KEYBOARD ASSY SWEDISH/FINNISH 366800-07
LABEL RATING & SERIAL PAL (SUB)
363756-07 KEYBOARD ASSY FINNISH
366800-08 LABEL RATING & SERIAL NTSC (SUB)
363756-15
KEYBOARD ASSY DANISH
950150-01 FEET RUBBER WHITE (QTY 4)
363756-08 KEYBOARD ASSY SWISS 906800-05 SCREW 3M X 6.0MM MACH PHL PH (QTY 4) FASTEN FDD TO BOTTOM
363756-11
KEYBOARD ASSY NORWEGIAN
CASE
363756-03
KEYBOARD ASSY UK/AUSTRALIA
906883-01
SCREW 3M X 6.0MM SELF TAPPING (QTY 4) FASTEN PCB, FDD BKT TO
363756-06
KEYBOARD ASSY ITALIAN BOTTOM CASE
363756-20 KEYBOARD ASSY PORTUGUESE
364075-01 SCHEMATIC
363756-99 KEYBOARD ASSY BLANK
391033-02
LED GREEN
390251-01
JACKPOST STANDOFF (QTY 8)
391033-01 LED YELLOW
390251-03 JACKPOST STANDOFF (SUB FOR 390251-01)
391315-01 CONNECTOR HOUSING 4 POSITION
324530-02
JACKPOST STANDOFF (SUB FOR 390251-01)
391316-01
PIN
363787-01
BOTTOM CASE
903756-10
WIRE AWG *24 BLACK 200MM LG.
363899-01
RAM DOOR
903756-02 WIRE AWG *24 RED 200MM LG.
364423-01
CABLE ASSY FLOPPY DISK DRIVE
903756-03 WIRE AWG *24 ORANGE 200MM LG.
327207-02
HARNESS DISK POWER ASSY
903756-05
WIRE AWG *24 GREEN 200MM LG.
315986-01
PCB ASSY NTSC
A601 RAM EXPANSION
1580300-01 1512K 11560300-02 11M
HARD DRIVE ACCESSORIES
368681-01
INTRO MANUAL
906600-01 SCREW (QTY 4)
368712-01 MANUAL USERS 367826-01 DISK INSTALL 204
31289041 HDD ASSY 363951-02 NAMEPLATE A600HD
364435-01 CABLE HDD
4-5
Page 11
A600 SYSTEM SCHEMATICS
Commodore International Spare Parts List
PCB Components
PCB Assembly A600
Commodore part numbers are provided for reference only and do not indicate the availability of spare parts from Commodore. Industry standard
parts (Resistors, Capacitors, Connectors) should be secured locally. Part number information may vary according to country, some parts may
not be available in all countries.
1C COMPONENTS
390084-01
CPU MC68000FN8 8MHZ 68PIN PLCC
U1
390544-02
8375R0 AGNUS HR NTSC 84 PIN PLCC
U2
390544-01
8375R0 AGNUS HR PAL 84PIN PLCC
U2
391155-01
4145R0FO20 GAYLE 84PIN PLCC U5
391081-01
8375R4 DENISE HR 52PIN PLCC
U4
391077-01
8364R7 PAULA 52PIN PLCC U3
391079-01
6571R4 KEYBD UP 44PIN PLCC
U13
391078-01
8520R4 CIA 44PIN PLCC 1MHZ
U7.U8
391144-01
74HCT244 SM
U31.U32
391139-01
74F00 SM
U26
391140-01
74F27 SM
U36
391141-01 74LS74A SM PAL U33
391218-01
74F02 SM U44
391142-01
74LS245 SM
U21.U22.U41-U43.U45-
U47
391085-01
74LS157 SM
U34
391176-01 74F139 SM
U27
391099-01 74F258 SM U25
390071-03 PAL 16L8B BLANK (WILL BE USED ONLY
TEMPORARILY W/REV 0 GAYLE)
391087-01 INTERFACE MC1488D SM
U28
391086-01 INTERFACE MC1489D SM U29
391103-01 LINEAR LF347/TL084ACD SM U15
391104-01 LINEAR NE555 SM U14
391105-01 DRAM 256K X 16 80NS SM U16.U17
391304-01
ROM KICKSTART V2.0 40PIN DIP
U6
391084-01 VIDEO ENCODER CXA1145M SM U12
CONNECTORS
390241-03 D SUB 23 PIN FEMALE DB23S CN5 EXTERNAL FLOPPY
390242-03 D SUB 23 PIN MALE DB23P CN9 RGB VIDEO
390241-05 D SUB 25 PIN FEMALE DB25S
CN7 PARALLEL PRINTER
PORT
390242-01 D SUB 9 PIN MALE DB9P CN1.CN2,MOUSE/JOY
STICK
252122-01 RCA JACK YELLOW
CN10,COLOR COM
POSITE VIDEO
252122-01 RCA JACK WHITE
CN4 LEFT AUDIO
252122-02 RCA JACK BUCK
CN3 RIGHT AUDIO
252167-01 DIN 5 PIN SQUARE
CN8 CPU POWER
325516-04
SIL 4PIN HEADER CN12,FLOPPY
POWER/LED
903345-17 DIL 34PIN HEADER W/KEY (PIN3) CN11 FLOPPY SIGNAL
391153-01 DIL 44PIN HEADER W/KEY (PIN20)
CN16 HDD
391073-01 68 PIN RIGHT ANGLE HIGH DENSITY
CN15 CREDIT CARD
390492-02 30 PIN LOCKING ZIF FFC CN13 KEYBOARD
391314-01
HEADER RT ANGLE 4 PIN POURIZED CN14 LED
TRANSISTORS AND DIODES
391145-01 TRANS JFET MPF102/PN4302 S0T23
Q321.Q331
391121-01 TRANS NPN 2N3904 SOT23
Q211 -0213,0231 -Q233,
Q511,0571,0621,0622,
Q651,Q653,(Q461 PAL)
391122-01
TRANS PNP 2N3906 SOT23
Q341 ,Q631-Q633,Q652,
Q654
391129-01 DIODE 1N4148 SOT23
D571
391128-01 DIODE 1N914 SOT23 (SUB FOR 391129-01) D571
391327-01
DIODE 1N4001 MELF D572-D576
RESISTORS - 1/8W UNLESS OTHERWISE SPECIFIED
310026-26 SM 0 OHM (1206) NTSC JUMPERS' E321 R,E331 R.R202,
R225, (R624-R626 NOT
STUFFED)
310026-26 SM 0 OHM (1206) PAL JUMPERS
E321 R.E331 R,R203
(R624-R626 NOT
STUFFED)
310026-10
SM 27 OHM (1206)
R113,R114.R152B-
R152H.E112R.E120R-
E129R.E150R
310026-01 SM 47 OHM (1206)
E253R-E256R.E577R,
E561R.E562R.E524R
RESISTORS - 1/8W UNLESS OTHERWISE SPECIFIED (Continued)
310026-12 SM 68 OHM (1206)
E131R.E132R.E251R,
E252R.E257R.E261R,
E262R.E266R.E267R,
E351 R.E353R-E358R,
E361 R.E363R-E368R,
E371R-E374R, E511R-
E523R.E525R.E551 R-
E556R.E558R.E581R-
E596R.E692R-E694R,
R151A-R151H.R152A
310026-29
SM 75 OHM (1206)
R232E, R234A-R234D
310026-05 SM 100 OHM (1206)
R237.R622.R639
310026-24
SM 120 OHM (1206) R236,R714A,R714B
310026-13 SM 150 OHM (1206) R211-R213.R233A-R233C
310026-40
SM 270 OHM (1206)
R214A.R215A.R216A
310022-22 SM 330 OHM (1206) R214F,R215F,R216F
310026-14
SM 360 OHM (1206)
R235.R321.R331
310026-15
SM 390 OHM (1206) R325.R335
310026-21 SM 470 OHM (1206)
R111,R161,R162,R515,
R659, R660, R952, R953A-
R953C
310026-11 SM 820 OHM (1206)
R224
310026-07 SM 1K OHM (1206) R101,R102,R222,R223t
R303,R304,R319,R324,
R334.R511 D,R103,R512,
R621,R654,R954A,
R954B.R231A-R231C,
R238,R214B,R215B,
R216B (R244)
310026-25
SM 1.5K (1206) R221
310026-32 SM 2K OHM (1206) R214C,R215C,R216C
310026-16 SM 2.7K OHM (1206)
R347.R571
310026-08 SM 4.7K OHM (1206) R251-R253.R348.R632,
R634,R636,R655,R951A-
951 F,R370A-370H,R651,
R719,R514,R715X
(R241)
310026-17 SM 10K OHM (1206) R322,R323,R327,R329,
R332,R333,R337,R339,
R346,R511A-R511C,
R511F,RR511I,R637,
R572,R623,R631 ,R633,
R635,R652,R653,R656,
R657.R715A-R715H,
R716-R718 (R243)
310026-23 SM 22K OHM (1206)
R345
310026-27
SM 27K OHM (1206) R459
310026-18
SM 33K OHM (1206) R232A-R232C, R349
310026-03 SM 47K OHM (1206)
R612
310026-19 SM 470K OHM (1206)
R326.R336
310026-20 SM 1M OHM (1206)
R611
310026-09 SM 10 OHM (1206)
R301.R302
310026-35 SM 6.8K OHM (1206)
(R242 FOR PAL)
310026-41 CHIP SM 1.8K (1206) (R245 FOR PAL)
R246 NTSC
310026-42 CHIP SM 180 OHM (1206)
(R236 FOR PAL)
391154-01
SM 4.02K OHM (1206) 1/8W 1%
R214D,R215D,R216D
391154-02 SM 8.06K OHM (1206) 1/8W 1%
R214E.R215E.R216E
391154-03 SM 1K (1206) 1/8W 1%
R214B.R215B.R216B
391154-04 SM 2K (1206) 1/8W 1%
R214C,R215C,R216C
391093-01 SM 1 OHM (2512) 1W 5%
R309.R405A.R405B
391093-02 SM 4.7 OHM (2512) 1W 5%
E232R, R352, R362, R406
391093-04
SM 47 OHM (2512) 1W 5%
E524R
CAPACITORS
390818-03
SM NPO 15PF (1206) (C242 PAL)
390818-04
SM NPO 47PF (1206)
E258C-E260C, E-692C,
E693C.E150C.E151-E154,
E694C
390818-05
SM NPO 56PF (1206) C245, (C241 PAL)
4-6
Page 12
A600 SYSTEM SCHEMATICS
Commodore International Spare Parts List
PCB Components (Continued)
PCB Assembly A600
CAPACITORS (Contim§9d)
390818-06
SM NP0 100PF (1206)
E231C.E251C-E257C,
E261C,E262C,E266C,
E267C, E511C-E523BC,
E525C.E551C.E552C,
E558C.E581C-E596C
390853-06
SM X7R 470PF (1206)
E351C,E353C,E354C,
E361C,E363C,E364C,
E371C-E374C, E553C-
E556C
390853-07
SM X7R 1000PF (1206)
(C243 PAL)
390853-08
SM X7R 3900PF (1206)
0323,0333
390853-09 SM X7R 6800PF (1206) E321C.E3310,0322,0332,
E355C-E358C.E365C-
E368C
390853-01 SM X7R .01UF (1206)
C246,C26,C27,C28A,
0288,029,033,034,036,
0349, E597C.E598C,0591,
C613,C800-C803,E232C,
E263C-E265C,E524C,
E557C,E561C,E562C,
0592,07,08, (0244 PAL)
390853-04 SM X7R .047UF (1206)
0311-0314,0352
310027-02
SM Z5U .1UF (1206) 0221,0222,0362,0611,
(0321,0331,NOT
STUFFED)
390797-01 SM Z5U .33UF (1210)
C12A,C12B,013,014,
C16A,C16B,C17A,C17B,
CIA,018,02-04,021,
0211-0213,022,025,
0301,0302,0305,031,
041-043,032,0551,0552,
C5A.C5B,06,0701,0702,
0711,0804,0199,044-
047
CAPACITORS (ContliHitd)
390818-01
391097-07
391097-08
391097-04
391097-01
390101-10
390101-03
SM NPO 22PF (1206)
ALUM ELECT 10UF 25V SM (C)
ALUM ELECT 22UF 25V SM (D)
ALUM ELECT 47UF 16V SM (D)
ALUM ELECT 100UF .63V SM (D)
ALUM ELECT 1000UF 10V
ALUM ELECT 470UF 16V
E112C.E122C-E129C,
0621,0622
0214,0306,0460,0612
0303,0304,0324,0334,
0459
0821,0822
0235,0236,0239,0409
0408,0811
0237,0307
MISCELLANEOUS
391092-01
FILTER CHIP FERRITE BEAD LARGE (1812)
E301.FB991-FB993
391092-01
FILTER CHIP FERRITE BEAD MEDIUM (1206)
E231 R.E258R-E260R,
E263R-E265R.E597R,
E598R
251878-02 LINE FILTER
LF 1
391146-02 BANDPASS FILTER NTSC (F-K5-MS)
Z221
391147-02 DELAY LINE NTSC (F K5 MD)
Z222
391146-01 BANDPASS FILTER PAL (BPF K5 MS)
Z221
391147-01 DELAY LINE PAL (F KS MT)
Z222
391138-01
INDUCTOR SM 1.2UH (1206)
(L241)
391156-01 RESONATOR CERAMIC 3.00 MHZ Y621
252345-01 XTAL 4.433619 MHZ
(Y451)
325566-14
OSCILLATOR 28.63636 MHZ NTSC
X1
252344-01 OSCILLATOR 28.37516 MHZ PAL
(X1)
904150-09
SOCKET 42 PIN DIP
U6
313371-01
MODULATOR MDG VA3424 NTSC
X2
313371-05 MODULATOR MDG UD 3626 PAL
(X2)
366648-01
LABEL BAR CODE BLANK 0.5" X 1.75"
366649-01
LABEL BAR CODE BLANK 0.5" X 1.00"
4-7
Page 13
SECTION 5
SCHEMATICS
Page 14
Schematic #315987, Rev. C
Sheet 1 of 13
A600 SYSTEM SCHEMATICS
JUMPERS AND STUFF
REF
R246
R202
R625
R624
TYPE
SMT
SMT
SMT
SMT KEYBOARD/SYSTEM RESET 9
DES CRIPT ION PAGE
NTSC COLOR BURST 4
PAL COLOR BURST
KEYBOARD MPU CLOCK
4
9
SIGNAL GLOSSARY
SIGNAL
28MHZ
7MHZ
AC 23 : 1 ]
ACK DATA ACKL PLEDGE (PARALLEL PORT)
AS
AUDIN
AUDOUT
BEER
BG
r GACK
BLISS
BL IT
BR BUS REQUEST (6 80 0 0)
BUSY
CASL/U
CCK/CCKQ COLOR CLOCK / QUADRATURE ( CH IPS )
CDAC
CHNG
CLKRD/WR
COMP MONOCHROME COMPOSITE VIDEO (V IDE O)
CSYNC
CTS
□cno
DIR
DKRD
DKWD DIS K WRITE DATA ( FLOPPY )
DKWE DI SK WRIT£ ENOBLE (FLOP PY)
DMAl.
DRA C 8 :0 ]
DR D I15 :0 ]
DSR DATA SET READY ( RS232 PORT)
DT ACK DATA TRANSFER ACKNOWLEDGE (6 80 0 0)
DTR
E
EXTICK EXPANSION PRESENT / RTC TICK
F C I 2 : 0 ] .FU NCTION CODE ( 68 0 00 )
FIR EG/1
HLT
HSYNC
INDEX
I N T [ 2, 3 . 6 ]
IORFSFT I /O RESET
I PL I 2: 0]
KBC1 OCK
KBDATA KEYBOARD DATA (KEYBOARD)
KBRESET
LDS/UDS UPPEE / LOWER DATA STROBES (6 8 00 0 )
LED
LEF T/R IGHT
DESC RIPTIO N (AREA) PAGES
2 8. 63 6 3 6 MHZ MASTER CLOCK
7 .1 5 90 9 MHZ PROCESSOR CLOCK
PROCESSOP ADDRESS BUS ( 68 0 00 )
ADDRESS STROBE (6 8 00 0 )
AUDIO INPUT ( RS232 PORT)
AUDIO OUTPUT ( RS23 2 JACK)
BUS ERROR ( 6 80 0 0)
BUS GRANT (6 80 0 0)
BUS GRANT ACKNOWLEDGE (6 80 0 0)
BLIT TER SLOWDOWN (CH IP S)
CHIP MEMORY ACCESS (CH IP S)
DEVICE BUSY (PARALLEL PORT)
COLUMN ADDRESS STROBE (DRAM)
7 .1 5 90 9 MHZ QUADRATURE CLOCK ( CH IP S)
MFD IA CHANGE (FL OPPY)
READ -TIME CLOCK READ / WRITE ( RT C)
COMPOSITE SYNC (VID EO )
CLEAR TO SEND (R S232 PORT)
PROCESSOR DATA BUS ( 6 80 0 0)
L
STEP D IRECT ION (FL OPPY)
DISK READ DATA (FLOP PY)
CHIP DMA REQUEST L INE (CH IPS )
DRAM ADORESS BUS (DRAM)
DRAM DATA BUS (DRAM)
DATA TERMINAL READY ( RS232 PORT)
PERIPHERAL ENABLE CLOCK (6 8 00 0 )
FIRE BUTTON 0/1 (JO YST ICK S)
.PROCESSOR HALT (6 80 0 0)
HORIZONTAL SYNC ( VID EO )
INDEX PUI. SE ( FI OPPY )
INTERRUPT REQUEST (C HI PS )
INTERRUPT PR IOR ITY LEVEL (6 8 00 0 )
KEYBOARD CLOCK (KEYBOARD)
KEYBOARD RESET (KEYBOARD)
POWER ON LED / AUDIO FI LTER DISA BLE
LEFT RIGHT AUDIO (AUD IO)
CONNECTORS
REF .
CN 1
CN2
CN3
CN4 RC A-J
CN5
CN6 DB25P RS232 SERIAL PORT 7
CN7 DB25S PARALLEL PRINTER PORT
CN8
CN9 DB23P VIDEO OUTPUT
CN 1 0 RC A-J COMPOSITE VIDEO
CN 1 1
CN 1 2 S I L -4 INTERNAL FLOPPY POWER 8
CN 1 3
CN 1 4 S I L -4 INTERNAL FLOPPY POWER 8
CN 1 3
CN I 4 S I L -4
CN 1 5 PCMCIA
P9
TYPE DESCR IPTION
DB9P MOUSE/JOYSTICK 1 5
DB9P MOUSE/JOYSTICK 2
RCA-J RIGHT AUDIO OUTPUT
DB23S EXTERNAL FLOPPY
SQ DIN
D IL -3 4
MEM-30 KEYBOARD MEMBRANE
MEM-30 KEYBOARD MEMBRANE 9
EDGE-8C
SIGNAL
LPEN
MTR
MTRO MOTOR ON - DRIVE 0 (F LOPPY)
MOV/MOH MOUSE 0 QUADRATURE V/H (JOY STI CKS )
MlV/ M1H
OVL
OVR
PIXELSW
POTOX/OY
P OT IX / IY
POUT
PPDI 7 : 0 ]
RAMEN
REGEN C HIP REGISTER ENABLE (C HIP S)
RASO/1 ROW ADDRESS STROBE (DRAM)
RDY
RESET
R G A I 8 : l] REGISTER ADDRESS BUS (CH IP S)
R/ G/B
R I
ROMEN ROM ENABLE (ROM)
RTS
RST
RXD
RW
SEL
SEL C 3: 0 ]
SIDE
STEP
TRKD
TXD TRANSMIT DATA ( RS232 PORT) U29 1489 E I A LINE RECEIVER
VMA VALID MFMORY ADDRFSS ( 6 8D Q0 )
VPA
VSYNC VERTICAL SYNC (VID EO ) OSC TTL 2 8 .3 7 51 2 MHZ PAL
WE WRITE ENABLE (DRAM)
WPROT WRITE PROTECT SENSE (F LOPPY)
XCLK EXTERNAL GENLOCK CLOCK (VI DEO )
XCLKFN
XRDY
LEFT AUDIO OUTPUT 5
POWER SUPPLY CONNECTOR
INTERNAL FLOPPY SIGNAL
KEYBOARD STATUS L ED ’S 9
PC "MEMORY CARD" l 1
MEMORY BUS EXPANSION
DESCR IPTION (AREA)
LIGHT PEN TRIGGER ( JOYS TICK S)
MOTOR ON (FLOPPY)
MOUSE 1 QUADRATURE V/H ( JOY STIC KS)
OVERLAY ROM OVER RAM
OVERRIDE SYSTEM DECODING
GENLOCK P IXEL SWITCH (VI DEO )
POT LIN ES 0 X/ Y (JO YSTI CKS)
POT LI NES 1 X/Y (JO YSTI CKS)
PAPER OUT (PARALLEL PORT)
PARALLEL PORT DATA (PARALLEL PORT)
RAM ENABLE (CH IPS ) U1
ORIVE READY (FLOPPY)
GENERAL RESET
RED / GREEN / BLUE (VI DEO )
RING INDICA TE ( RS232 PORT) U7- 8
REQUEST TO SEND ( RS232 PORT)
PROCESSOR RESET (6 80 00 ) U l 3 657 0-3 6 AMGIA KEYBOARD MPU 9
RECEIVE DATA ( RS 232 PORT)
PROCESSOR READ/WRITE (68 0 00 )
SELECT (PARALLEL PORT)
DRIVE SELECT ( ELOPP-Y )
SIDE SELECT (F LOPPY)
STEP IN/OU T COMMAND (F LOPPY)
TRACK ZERO SENSE (FLOPPY )
VALID PERIPHERAL ADDRESS (6 8 00 0 )
EXTERNAL CLOCK ENABLE ( VID EO )
EXTERNAL DATA READY
** CREDIT CARD AND IDE STUFF? **
PAGE
5
8
7
13
6
4
8
9
12
PAGES
KEY COMPONENTS
Rr'
U2
U3
U4
U5 4 14 5-2 0
U6 ASST
U 10-11 28F1 0
U 1 2
U 1 4 NE555
U16 -17 ASST
U 1 5
U28 1488 E I A LI NE DRIVER
XI
Y45 l
Y621
X2 ASST PAL VIDEO MODULA TE
CHIP
680 00
837 5
8364
837 3 ECS DENISE
852 0 AMIGA V IA . 1 MHZ
CXA 1 145
LF34 7
TL084 BIMOS OP-AMP ALT
OSC
XTAL
XTAL
ASST NTSC VIDEO MODUlAiOR
DESCR IPTION
68 000 PROCESSOR. 8MHZ 2
ECS AGNUS A30 0/A S0 0+
PAULA
GAYLE GATE ARRAY
ROM 256 KX 16. 200 NS
FLASH MEMORY 128KX8
SONY VIDEO ENCODER
RESET TIMER
DRAM 25 6K X16 . 120 NS
BIMOS OP-AMP
TTL 2 8 -6 36 3 6 MHZ NTSC 2
4.4 361 9MH Z PAL BURST
3MHZ CERAMIC RESONATOF
PAGE
2
5
4
2 .8 .1 1
10
7
10
4
9
3
5
7
7
ALT
4
9
4
4
5-1
Page 15
Schematic #315987, Rev. C
Sheet 2 of 13
A600 SYSTEM SCHEMATICS
_ I P L ( 2 :0 ) O 2-
7M H Z 02-
JDTAC KO2-
. fl S O 2-
R_ WO L
.U D S O2-
_ LD S 0 2—
_R5T O 2—
_HLT O 2—
vcc
J ^R102 Rl0J
<'ll<'lK <11
>0-
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12 c J GflCK
24 c JE EB
j o
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JS T
JL 7
ipi2
1PL1
U1
MC68000
69 4
60 3 /
61
62
63
64 C
66 P
66 1
67 6 /
66 5 /
1
Z
3 T >
5_________________________LL X
-^ OR (23: 1 )
“^OO l 15:0 )
----------------zODR D( 15: 0)
X U 1 -NOT US'D
5 64
\
4 66
4 66
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s
s 4 60
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CONTR O L FU N C T IO N S
4145ROF020A
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;.os
GAYLE
1- c-u o s
U 5
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JOHEN >-*
JTC_C 8
JE T_C S > - i
JP B B E J 8 > -^
JVE M.C1B
_000_C lfl
El 12
XJ1C
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E 12 1 I
Ik v J ,
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E 1 23
E l 24
U 2
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E12S" 2 7 ^ Jj 22
E L 27
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AGNUS HR
8375
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2 7 ^ ^ 22
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a t
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-t> _FL flSH
-t>_ R0M EN
-t> _RT C_C S
-t> _NE T_C S
—zO_SPflRE_CS
—zO _ E VEN_C IA
-t> _0 DD _ CI A
~ t> E
-^ O L 4MHZ_R
-t >l 4M H Z
-t>7 MHZ _A
- ztI>7nHZ
—zO_CDAC_A
—zO_CDflC
—2OCCK_A
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—2OCCKQ_A
—^OCCKQ
-t > RG R ( 8: l )
Q
j h
XU1
jjxci
NOTE: POL U SES 2 8 - 3 7 5 1 6 MHZ
JCCLKENO 2-
U25
.CBS l
_CBSU
J.PEN
_HSTNC
_»8TNC
_CSTHC
-Jt > DRR ( 9: 0)
—2o _ casl
—zO_CflS U
—2tI>_RAS ( 0 )
_Ht
—t> _R AS l l )
—zO_DW E
-^□ _F IR E l
—zO_HSYNC
VSYNC
—JtZ>_CSYNC
- z<C]DMflL
—20 _ I N T 3
5-2
Page 16
Schematic #315987, Rev. C
Sheet 3 of 13
A600 SYSTEM SCHEMATICS
DRD ( 15: 0) O ^ -
DRfl( OjO O 2-
W NW V Tn
------
V-
-t> BDR R( 9 :0 )
0
\
l
2
\
3
5
6
7
V
8
i A »
68 V R1S1B
i A *
68 VRl5lc
» A *
68 VR1510
i A, « 4
68 V R1S1E
i A •
68 V Rl51F
1 *
68 VR151C
i A •
68AVR151H
fifl V D 1 C9Q
i A *
68 VR151fi
0/
i/
2/
3
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s/
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^ 0
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S.2
\ 3
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^7
8
n
19
22
23
2 4
26
26
IS
NCI
30
NCO
U 1 6
DRRM
256KX16
U 17 IS OPTIGNRL . . .
WHITE SPRCE
I
\ 4 _
\ § _
\ 5 _
\ 2_
30 NCO
C-LCRS
’— C -OCRS
< _RRS
-ME
U 1 7
OPT
256KX16
—zO _ X 1 M
JDWEO 2-
_RRS ( 0 l O 2-
_RflS( 1 J O 2-
.C R SL O2-
.C RS UO 2-
.XC LK ENO 2-
CCK_RE>2-
U26 U26
U26 U26
KLUDGE
- 2<D_R0E
K V R 1!
-t>_ BWE
- 2C>_BRflS ( 0 )
~ 2 7 ^ R 1 5 2 0
no
- m
U27
“^ V r152F
£. 1 52
47 P F
E15 1
47 P F
~ r
-t> _BR RS( 1 )
-t> _B CR SL (0)
-^ O.B CR S K 1 )
- 2o _bcrsu ( 0)
—IT>_BCRSU ( 1 )
[El 5 4
E l 5 3
47 P F
47 P F
T
£ 1 6 0
73 3 U F
T J 7 ~
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1 1 1
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73 3 U F | "
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OPT
T T T "
i 1 1
U 1 7
OPT
1 1 1
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33 UF
OPT
DECOUPLING
5-3
Page 17
Schematic #315987, Rev. C
Sheet 4 of 13
DRD( IS i O IO 2-
RGR ( 8 = 1 J O 2-
C C K O 2-
_CS Y N C O 2-
_C D fl C O 2-
7 M H Z _ flO ?-
C20 i
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/ 1 4
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/ 1 2
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47 P F *
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46
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48
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losca
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loses
|0SC4
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DENISE HR
:-F8
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IRC-Fl
nov
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33 11
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31 l b
30 1 /
29
28
27 b
26 d
ID 36
> 19
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-^ O M IV
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1R1
4
1R2 1 Y2
b
1R3
1R4
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2R3
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8 2 0 >
------
VV RF F
T
< R 2 2 4
----
A600 SYSTEM SCHEMATICS
II
1
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R 2 3 4 6
— r v £ - * > = l G
R 2 3 4 C
— r / g r - ^ B
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PRL GOODIES
4 .43619MHZ
-------
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RU010
VIDEO
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TUNE |3
MODULATOR
5-4
Page 18
Schematic #315987, Rev. C
Sheet 5 of 13
A600 SYSTEM SCHEMATICS
NOTE: LED OFF. FIL TERS BYPASSED
5-5
Page 19
Schematic #315987, Rev. C
Sheet 6 of 13
A600 SYSTEM SCHEMATICS
_ySY N C O z—
_H S Y N C 0 2—
_CSYNC_BCI>2—
R( 3:0 *-
G( 3 ; O 2—
B( 3 1 0 2-
B IC D O 2-
A B O 2-
AG O 2-
A R O 2-
.XCLKEM <□ *-
XC L K O 2-
vccTvcc
R25lbR252^R253^
< 4 .7 K < 4 . 7 K < 4 . 7 K
VIDEO GU
CN9
jo s c k _ b
OP IX EL SW
NOTE: GROUND INTERCONNECTION NEAR AUDIO JA CKS.
DB23S
J
5-6
Page 20
Schematic #315987, Rev. C
Sheet 7 of 13
A600 SYSTEM SCHEMATICS
5-7
Page 21
Schematic #315987,
Sheet 8 of 13
Rev. C
A600 SYSTEM SCHEMATICS
_ M T R 0 2-
.S E LO O 1-
.DK WD O2-
DK WE O2-
_KB_RESET1Z>2-
FLOPPY LOGIC
F L O P P Y F U N C T I O N S ^
11 c
.... y 5
11 c
70 c
J uno _m non
„ HE 4 L 4 L . . 0 F 0 2 0
69
GAYLE
63 C
JtBRESET _DBMEB
FLOPPY POWER
-t> _MT RX
J2O _ M TR 0
^OJD KWDB
-20_ DK WE B
_CHNG<C?-
-------------
----------------
--------------------
-----------------------
.1 NDEX<Z^
_ S E L 0 O 2--------------------------------------------
_S E L 10 2
1—•«
1—•
_M T R 0O2-
D IR O 2-
^ S TE P O 2-
.DKW DBO2-
.DKW EBO2-
_TRK0<Zf-
.WP ROT O2-
_DKR 0<H2-
_S ID E O 2-
_ R O Y O L
-020
-022
-024
-028
-030
-032
-034
INTERNAL FLOPPY Q ^ ^
DB23S
+ 1 2 V -1 2 V
EXTERNAL FLOPPY
5-8
Page 22
Schematic #315987, Rev. C
Sheet 9 of 13
A600 SYSTEM SCHEMATICS
DECOUPL ING
5-9
Page 23
Schematic #315987, Rev. C
Sheet 10 of 13
A600 SYSTEM SCHEMATICS
fl ( 23 : 1 ) 0 * -----------------------------
J E D 1
_R0 MEN O2-
Ja_
Sa_
sfc
ROM
f u 6 „.
| ; : i : : : :
6 2 4 0 8 ° ds
hbt tc io n ”
- * i «4 04
- ~ n 03
i f 01
k j !
-C _cs j u t
30
26 1
21 1
n i
»
26
02
J
FLASH MEMORY
O D ( 15 :0)
FLASH AND U37 IS OPTIONAL
PROGRAMMING VOLTAGE
+ 12 V + 12 V
FUNNY INVERTERS
DECOUPLING
5-10
Page 24
Schematic #315987, Rev. C
Sheet 11 of 13
A600 SYSTEM SCHEMATICS
MEMORY CARD
C N 1 5
5-11
Page 25
Schematic #315987, Rev. C
Sheet 12 of 13
A600 SYSTEM SCHEMATICS
MEMORY EXPANSION
DRD ( 15:0)0*
BDRfil 9 : 0) 0 *
RGfl(8:l ) 0 *
Dl 15 : 0 ) 0 *
(=1(23:1 ) 0 *
.BCflSUl 0 ) 0 *
.BCflSLl 1 )0 *
_BRflS(0)O*
_B W E O *
IDE DRIVE
C N 1 6
*<3_BCflSL( 0)
*<a_BCflsu( i)
*<D_BRnS( 1 )
*<a_ROE
_I O R D O *
_R TC_ CSO*
XI M O *
■*O_SP0RE_CS
■*0_ IN T 6
*<DRIGHT
■*0_T E S T
■*O..RESET
■*<G_I0WR
*0 _ SE N S E
5-12
Page 26
Schematic #315987, Rev. C
Sheet 13 of 13
POWER INPU
LINE FILTE R
A600 SYSTEM SCHEMATICS
BUS" TERMINATION
vcc
R951R
. R S T O 2-
- L D S O * 4 " 7 k V r 9 51 0
. U D S O ^ - i G V
R _ . N 0 2-
4 • 7K. 1 B
—
4 -7K V R951C
4 -
4 .7 K VR951F
15
--------
VR951E
GW
{]
NOTE: HEAVY LINES INDICATE A
SINGLE POINT CONNECTION
GROUNDED HOLES , NO .
CN 1
tLE^iLo CN2
C N 5
G % 2 2 <,C N 7
f c v 5 o C N 9
tf i% 2 S . C N 1 5
CN6
V6
• VI 1
nV 1 2
V7
nV 1 3
V8
nV 1 4
V9
V10Ih V 15
I PL ( 2 : 0 ) O 2-
D T R C K O 2
\o
V
\ 2
_
I N T 6 <jp
_INT2<CD2
R952
47 0
R953A
t A 2
47 0 V RS53B
1 A 2
47 0 V R953C
1 A 2
47 0 v
R954R
R954D
IK
n
"T
n
11
5-13
Page 27
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