Philips PCL304 User manual

Notebook
personal
computer
PCL304
00/02/05 6/19
Service
ervice
Service
Personal
Information
Products
-
Service
Quality
Support
PCL
304
is
a
small
size,
high
performance
notebook
computer
using
the
newest
technology.
It
is
a
80C386
based
PC/SX
with
a
high
contrast
VGA
LCD
display,
a
high
speed
40
MB
harddisk
and
a
floppy
diskette
dive:
for
1.44
MB
or
720
KB
diskette.
An
AC
adapter
is
supplied
which
both
powers
the
system
and
also
recharges
the
internal
NiCad
battery,
The
system
typically
offers
2
hours
of
battery
operations
and
is
designed
for
professionals
who
travel
fre-
quently
yet
require
a
high
performance
PC/SX.
Published
by
Consumer
Electronics
Printed
in
The
Netherlands
©Copyright
reserved
Subject
to
modification
4822
727
18379
acer
enna
LL
LL
TST
CS 55 788

Safety Precaution
There are special components used in the computer which
are important for safety. These parts are shaded on the
schematic diagram and indicated by a safety mark | On the
replacement parts list, It is essential that these critical parts
should be replaced with the manufacturer's specified parts
to prevent shock, fire or other hazards. Do not modify the ori-
ginal design without written permission of the manufacturer
or this will void the original parts and labor guarantee.
Acknowledgements
The following trademarks are the respective properties of the following trade-
mark holders:
IBM, VGA, EGA, CGA, MDA, PC-DOS, PS/2, PC/AT, PC/XT
Registered trademarks of International Business Machines Corporation
Microsoft, MS-DOS, XENIX, MS-OS/2, Windows
Registered trademarks of Mocrosoft Corporation
Hercules
Registered trademarks of Hercules Computer Technology
Centronics
Registered trademarks of.Centronics Corporation
Phoenix
Registered trademarks of Phoenix Technology Ltd.
Lotus and Lotus 1-2-3 °
Registered trademarks of Lotus Development Company
Intel, 80386, 80286, 80287
Registered trademarks of Intel Corporation
"PHILIPS CONSUMER ELECTRONICS
Personal Information Products-Service Quality Support
CS 55 789

TABLE OF CONTENTS
1. SYSTEM UNIT
4.1. Technical specifications
page
1-1
1.2.
Description
of
controls
and
terminal
sockets1-2
1.3. Input/output specification
2. GENERAL SYSTEM DESCRIPTION
2.1 Introduction
2.2. Main board
2.2.1 Processor
2.2.2 Memory
2.2.3 RAM
2.2.4 ROM
2.2.55 /O connections
2.2.6 Serial & parallel port assignments
2.2.7 Video graphics adapter
2.2.8 Video BIOS ROM
2.3 Power supply
2.3.1 Power low indicator
2.3.2 Recharging a battery
2.3.3 Power conservation
2.3.4 Standby mode
2.4 Keyboard
2.5 Video
2.6 Hard disk drive
2.6.1 Conner CP4044
2.7.‘ Floppy disk drive
2.7.1. Sony MPE-220
3 CONFIGURATIONS
3.1 System upgrades
3.2 System memory configurations
3.2.1 Expanded memory
3.2.2 Address map
4. SYSTEM UTILITY
4.1 Setup
4.1.1 Setup page
1-4
2-1
2-2
2-2
2-3
2-4
2-5
2-5
2-5
2-5
2-6
2-6
2-7
2-8
2-8
2-8
2-8
2-8
3-1
3-1
3-2
4-1
4-2
5. SYSTEM UNIT ASSEMBLY/DISASSEMBLY
5.1. Assembly/Disassembly
5.1.1 Top cover removal
5.1.2 Keyboard removal
5.1.3 Power board removal
5.1.4 Mother board removal
5.1.5 Floppy disk drive removal
5.1.6 Hard disk removal
5.2 Mechanical
5.2.1 Parts list cabinet
5.2.2 Exploded view
5.3. Interconnections
5.3.1 Wiring diagram
5-1
5-2
5-3
5-4
5-4
5-4
5-6
5-7
5-8
6.1
6.2
6.2.1
6.2.2
6.3
6.4
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.4.6
6.4.7
6.5
6.6
7.1
7.2
8.1
8.1.1
8.1.2
8.1.3
8.1.4
8.1.6.
8.1.7.
8.2
8.2.1
8.2.2
8.2.3
15-07-1991
DIAGNOSTICS
Functional testprogram
Error messages
Power On Test messages
User diagnostic messages
Outline diagnostic test
Diagnostic description
Main board
RAM diagnostics
Keyboard diagnostics
Video diagnostics
Floppy disk diagnostics
Serial port diagnostics
Printer port diagnostics
Power on selftest error codes
Tools and test equipment
VOLTAGE ADAPTER
Specifications
Parts list
CIRCUIT BOARD ASSEMBLIES (CBA)
Main board
Main board assembly
Connector pin assignment
Block diagram
CBA component layout
1. Topside
2. Bottom side
Circuit diagrams
1. AT control section
2. Processor section
3. Keyboard interface
4. . Clock & Buffer section
5. BIOS module connector
6. Memory slot circuitry
7. Supply connector
8. Keyboard controller & interface
9. VGAcontroller
10. Video DRAM circuitry
11. Buffer section
12. CRT interface & LCD connection
13. Serial & parallel interface
14. FDD & HDD circuitry
15. Connector circuitry
16. Expansion circuitry
17. VGA interface circuitry
Parts list
Troubleshoot flow chart
Power board
Power supply assembly
Connector pin assignment
Block diagram
page
6-1
6-2
6-3
6-4
6-4
6-5
6-5
6-5
6-5
6-5
6-6
6-6
8-9
8-10
8-14
8-12
8-13
8-14
8-15
8-16
8-17
8-18
8-19
8-20
8-21
8-22
8-23
8-24
8-25
8-26
8-28
8-31
8-31
8-32
CS 55 790

8.2.4
8.2.5
8.2.6
8.2.7
8.3
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
9
9.1
9.1.1
9.1.2
9.1.3
9.2
9.2.1
9.2.2
9.2.3
9.3
9.3.1
9.3.2
9.3.3
9.4
10
10.1 -
CBA component layout
1. Top side
2. Bottom side
Circuit diagrams
1. Power management
2. Drive circuitry
3. Stabilizer circuitry
Parts list
Troubleshoot flow chart
Keyboard
Keyboard assembly
Scan code
Connector pin assignment
CBA component layout
1. Top side
2. Bottom side
Circuit diagram
Parts list
DEVICES
Hard disk drive
PCL304 HDD assembly specification
Pin assignment
Installing instructions
Floppy disk drive
FDD assembly specification
Pin asignment
Installing instructions
LCD assembly
Specifications
Theory of the LCD operation
Pin asignment
Battery pack
MODIFICATION
General information.
CS 55 791
8-45
8-47
8-48
9-6
10-1

1 SYSTEM UNIT
1.1 Technical specifications
General.
Adapter:
Mains voltage
Mains frequency
Max output power
System:
Ambient temperature :
Relative humidity
Altitude
Weight
Dimensions
LCD:
Type
Dot pixels
Dot size
Dot pitch
Display area
Display mode
Charater mode
Graphics mode
90-270 V (Universal)
48-63 Hz
22 Watt (Cont)
+5 to +35C
20% to 80%
8.000 ft.
3.03 kg
280x220x50 mm (WxDxH)
VGA B/W LCD with backlight
640 x 480
0.24 x 0.24 mm
0.27 mm
180 x 1383 mm (WxH)
VGA mode (CGA/EGA/MDA emul)
80 columns x 25/43 lines
40 columns x 25/43 lines
640 x 480 dots
Specification
Processor
Coprocessor
Clock Speed
Extended Memory
Display
Sound
Floppy Disk Drive
Hard Disk
Keyboard
External Key
PS/2 Mouse Port
Serial Port
Parallel Port
Video Port
Internal Modem port
External Floppy
Expansion Bus
AC Power
Main Battery
80386SX 16MHz
80387SX (option)
16 MHz or 8 MHz, sOftware se-
lectable
3 MB, 5 MB
640x480 pixels LCD panel,
IBM VGA compatible
Buzzer
3.5", 1.44 MB, double side,
high density floppy disk drive
3.5", 42.9 MB hard disk with 29
ms average access time.
79/80 keys, 101/102-key key-
board compatible
Numeric Keypad or IBM com-
patible keyboard, 6-pin female
mini DIN connector
PS/2 Mouse, 6-pinfemale mini
DIN connector
1 asynchronous serial RS-
232C port,,9-pin male D-sub
connector
Centronics-type parallel port,
25-pin female D-sub connector
15-pin female D-sub connector
for external monitor; IBM VGA
compatible
20-pin male connector for inter-
nal 2400 bps modem (option).
External Floppy Disk Drive
port, Disk Drive 25-pin female
D-subconnector.
Provides a 16-bit interface to
the Notebook system, 96-pin
male D-sub connector
90V-270V full range adapter
4.8V, 5.0Ahr NiCd battery pack
with over-charge protection
CS 55 792

1-2
1.2
Description
of
controls
and
terminal
sockets
Right side panel
Screen latch right
Diskette slot
Eject button
External keyboard connector
Mouse connector
Power switch
onrRwoN +
12 3 45 #6
MDA.02790
728/034
Left side panei
7. Battery compartiment
8. External Video connector
9. Screen latch left
MDA.0279
7 8 9 728/034 ‘
CS 55 793

Rear panel
10.
11.
12.
13.
14.
Battery-charger connector
External diskdrive connector (D-Shell)
Parallel port Centronics (D-Shell)
Serial port RS-232 (D-Shell)
Expansion connector
10 11 42° 43 14 Bion
Inside the Notebook
15. 80 key keyboard
16. Cover memory expansion
17. Harddisk activity LED
18. Floppy activity LED
19. Power on indicator
20. Stand-by / Charge LED
21. Stand-by / cover switch
22. VGALCD display
H
i
¢
yh
i
V\/
Mi
Wi
[[K
i
Wh
iN
\
_
on
—
o>
—
7 18 19 20 21 22 Wana
CS 55 794

1-4
1.3 Input/ouput specification
External keyboard connector (4):
Pin Description
Data
Ne
Ground
+5V DC
Clock
Ne OrNpRwonN>
Mouse connector (5):
Pin Description
Data
Nc
Ground
+5V DC
Clock
Ne
earons
Video connector (8):
Pin Description
1. Red
2. Green
3. Blue
4. Ne
5. Analogue ground
6. Analogue ground
7. Analogue ground
8. Analogue ground
9. Ne
10. Analogue ground
11. Nc
12. Ne
13. Horizontal sync.
14. Vertical sync.
15. Ne
External! diskdrive connector (11):
a
in Description
Ground
Index*
Track 0*
Write Protect*
Read Data*
Disk Change*
+5V DC
+5V DC
+5V DC
10. Drive Select*
11. Motor On*
12. Write Data*
13. Write Enable*
14. Reduce Write Curr.*
ON PAPwONM
so
15. Head Select*
16. Direction”
17. Step*
18-25 GND
CS 55 795
DATA
VIDEO CONNECTOR
CLOCK
GND
MDA.0!669
T19/019
MDA.02668
719/019

Parallel port (12):
Pin Description
1. Strobe"
2. Data 0
3. Data 1
4. Data 2
5. Data 3
6. Data 4
7. Data5
8. Data 6
9. Data 7
10. Ack*
11. Busy
12. Paper end
13. Select
14. Auto finefeed*
15. Error*
16. Initialize*
17. Select in*
18-25 GND
* Active low
Serial port RS-232C (13):
Pin
OONoOarAwWN =
Description
CD (carrier detected)
RXD (received data)
TXD (transmitted data)
DTR (data terminal ready)
GND
DSR (data set ready)
RTS (request to send)
" CTS (clear to send)
RI (ring indicator)
Supply connector (10):
Pin
1.
2.
3
Description
Va (5.6V DC +3/-6%
Vb (6.1V DC +/- 5%
POK (7.15V DC - 7.65V DC 0A - 50 mA)
Outer shield = Ground
PARALLEL CENTRONICS
SERIAL
CENTRONICS
45 711 At&
MDA.02668
719/019
CS 55 796

1-6
EXPANSION BUS CONNECTOR
Expansion Bus connector (14):
GND
RESETDRV
+ 5V
IRQ9
N.C.
DREQ2
+ 5V
OWS *
+5V
10. GND
11. SMEMW **
12. SMEMR *
18. 1OW*
14. IOR*
15. DACK3*
16. DREQ3
17. DACKi1 *
18. DREQ1
19. RFF*
20. BSYSCLK
21. IRQ7
22. IRQ6
23. IRQS
24. IRQ4
25. IRQ3
26. DACK2
27. TC
28. BALE
29. +5V
30. DOSC
31. GND
32. IOCHECK *
OONOARwON >
* — Active "low"
** — aActive "high"
CS 55 797
33.
34.
35.
36.
37.
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SDO
BIOCH
AEN
SAi9
SA18
SA1i7
SA16
SA15
SA14
SA13
SAi2
SA11
SA10
SA9
SA8
SA7
SA6
SAS
SA4
SA3
SA2
SAI
SAO
MEMCS16*
]OCS *
IRQ10
{RQ11
IRQ12
IRQ15
. IRQ14
. DACKO*
. DREQO
. DACKS5*
. DREQS
. DACK6 *
. DREQE6
. DACK7*
. DREQ7
. MASTER™*
. SBHE*
. LA23
. LA22
LA21
LA20
LA19
LA18
. LA17
MEMR *
. MEMW*
. SDB
. SD9
. SD10
SD11
$D12
$Di3
SD14
. SD15
4B AVMQ AtwD