The information in this guide is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL
ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR CONSEQUENTIAL
DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS
MATERIAL.
This guide contains information protected by copyright. No part of this guide may be
photocopied or reproduced in any form without prior written consent from Compaq
Computer Corporation.
Compaq, Presario 1800 Series Registered U. S. Patent and Trademark Office.
Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation.
Windows 98 and Windows 2000 are trademarks of Microsoft Corporation.
The software described in this guide is furnished under a license agreement or
nondisclosure agreement. The software may be used or copied only in accordance with the
terms of the agreement.
Product names mentioned herein may be trademarks and/or registered trademarks of their
respective companies.
Maintenance and Service Guide
Compaq Presario 1800 Series Notebook Computer
First Edition (July 2000) Compaq Computer Corporation
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
B
EFORE YOU BEGIN
1
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Preface
This Maintenance and Service Guide is a troubleshooting guide that is used as a reference
guide when servicing the Compaq Presario 1800 Series Notebook Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario
1800 Series Notebooks without notice.
Symbols
The following words and symbols mark special messages throughout this guide.
WARNING: Text set off in this manner indicates that a failure to follow directions
in the warning could result in bodily harm or loss of life.
Å
Å
ÅÅ
CAUTION: Text set off in this manner indicates that a failure to follow directions
could result in damage to equipment or loss of data.
Ä
Ä
ÄÄ
Important: Text set off in this manner preseats clarifying information or specific
instructions.
Note: Text set off in this manner presents commentary, sidelights, or interesting
points of information.
Technician Notes
WARNING: Only authorized technicians trained by Compaq should repair this
equipment. All troubleshooting and repair procedures are detailed to allow only
Å
Å
ÅÅ
subassembly/module level repair. Because of the complexity of the individual
boards and subassemblies, the user should not attempt to make repaires at the
component level or to make modifications to any printed circuit board. Improper
repairs can create a safety hazard. Any indications of component replacement or
printed circuit board modifications may void any warranty.
2 B
EFORE YOU BEGIN
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Serial Number
1
The unit’s serial number
parts. The serial number is located on the underside of the Notebook as shown below.
is required when requesting information or ordering spare
Locating Additional Information
The following documentation is available to support this product:
•Compaq Presario 1800XL Series Notebook Computer documentation set
•Introducing Windows 98 Guide
•Introducing Windows 2000 Guide
•Service Training Guides
•Compaq Service Advisories and Bulletins
•Compaq QuickFind
•Compaq Service Quick Reference Guide
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
B
EFORE YOU BEGIN
3
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
4 B
EFORE YOU BEGIN
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Product Description
This chapter describes the features of each of the Presario 1800XL models. It also provides
illustrations of the exterior components unique to these units.
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
P
RODUCT DESCRIPTION
1
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Models and Features
Compaq Presario 1800 Series Portable Notebook Computer Models
FeatureXL180XL181XL182XL183
Display15.0" TFT15.0" TFT15.0" TFT15.0" TFT
Processor
PIII 600MHz,
256 Cache
Hard Drive6.0 GB12.0 GB12.0 GB12.0 GB
CD or DVD
6X DVD Drive6X DVD Drive6X DVD Drive6X DVD Drive
Drive
Modem
56.0 Kbps Data/
Fax with PCI
10/100TX
Networking
Integrated
Ethernet
Battery3.2 Li-Ion3.2 Li-Ion3.2 Li-Ion3.2 Li-Ion
System
64 MB PC10064 MB PC10064 MB PC100128 MB PC100
Memory
PIII 500 MHz,
256 Cache
56.0 Kbps Data/
Fax with PCI
10/100TX
Integrated
Ethernet
PIII 600 MHz,
256 Cache
56.0 Kbps Data/
Fax Int’l with PCI
10/100TX
Integrated
Ethernet
PIII 600 MHz,
256 Cache
56.0 Kbps Data/
Fax Int’l with PCI
10/100TX
Integrated
Ethernet
Compaq Presario 1800 Series Portable Notebook Computer Models
FeatureXL185XL190XL191XL192
Display15.0" TFT15.0" TFT15.0" TFT15.0" TFT
Processor
PIII 600 MHz,
256 Cache
PIII 700 MHz,
256 Cache
PIII 650 MHz
256 Cache
PIII 700 MHz
256 Cache
Hard Drive12.0 GB6.0 GB12.0 GB12.0 GB
CD or DVD
6X DVD DriveDVD Drive6X DVD Drive6X DVD Drive
Drive
Modem
Networking
56.0 Kbps Data/
Fax Int’l with PCI
10/100TX
Integrated
Ethernet
56.0 Kbps Data/
Fax with PCI
10/100TX
Integrated
Ethernet
56.0 Kbps Data/
Fax Int’l with PCI
10/100TX
Integrated
Ethernet
56.0 Kbps Data/
Fax Int’l with PCI
10/100TX
Integrated
Ethernet
Battery3.2 Li-Ion3.2 Li-Ion3.2 Li-Ion3.2 Li-Ion
System
64 MB PC100128 MB PC100128 MB PC100128 MB PC100
Memory
All models have a 3.5” Diskette Drive which use 1.44Mb Diskettes.
2 P
RODUCT DESCRIPTION
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Front of Unit
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
#Description#Description
Display Release Latches
1
Display
2
Power (On/Off) Button
3
Keyboard
4
TouchPad
5
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Integrated Speakers
6
Left TouchPad Button
7
Scroll Up/Down Button
8
Right TouchPad Button
9
Model Number
-
P
RODUCT DESCRIPTION
3
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Internet Zone Buttons and Lights
#Description#Description
AC Adapter Light
1
Caps Lock Light
2
Instant Internet Access
3
Instant E-mail Access
4
My Presario Instant Access
5
Power Button
6
Instant Search
7
Online Marketplace (US/Puerto Rico)
8
Instant Answer (outside US)
Retail Central (US/Puerto Rico)
9
Instant E-Commerce (outside US)
Num Lock Light
-
Scroll Lock Light
q
4 P
RODUCT DESCRIPTION
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Front Bezel Components
#Description#Description
Previous Track Button
1
Next Track Button
2
Sleep Status Icon
3
Power Status Icon
4
Battery Charging Status
5
Icon
DisqPlay Status Icon
6
Battery Gauge
7
DisqPlay On/Off Button
8
Volume Down Button
9
Volume Up Button
-
Play/Pause Button
q
Stop Button
w
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
P
RODUCT DESCRIPTION
5
Models: XL180, XL181, XL182, XL183, XL185,
Right-Side Components
#Description#Description
Presario 1800 Series
and XL190, XL191, XL192
Battery Compartment
1
PC Card Eject Button
2
PC Card Slot
3
Headphone Jack
4
Microphone Jack
5
Modem Port
6
Ethernet Port
7
6 P
RODUCT DESCRIPTION
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Models: XL180, XL181, XL182, XL183, XL185,
Left-Side Components
#Description#Description
Presario 1800 Series
and XL190, XL191, XL192
Security Slot
1
CD or DVD Drive
2
CD/DVD Drive Eject Button
3
CD or DVD Manual Eject Hole
4
Diskette Drive
5
Diskette Drive Eject Button
6
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
P
RODUCT DESCRIPTION
7
Models: XL180, XL181, XL182, XL183, XL185,
Underneath the Unit
Presario 1800 Series
and XL190, XL191, XL192
#Description#Description
Stand Feet
1
Serial Number
2
Memory Compartment
3
Stand Feet
4
8 P
RODUCT DESCRIPTION
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Rear Connectors
#Description#Description
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Keyboard/Mouse Port
1
AC Adapter Connector
2
Parallel Port
3
QuikDock Connector
4
Fan Vent
5
TV Out Connector
6
External Monitor Port
7
Serial Ports
8
Universal Serial Bus Port
9
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
P
RODUCT DESCRIPTION
9
Models: XL180, XL181, XL182, XL183, XL185,
QuikDock Components
#Description
1
2
Presario 1800 Series
and XL190, XL191, XL192
QuikDock Interface Connector
QuikDock Guide Posts
QuikDock Connectors
#Description#Description
Universal Serial Bus Port
1
Universal Serial Bus Port
2
Power (AC Adapter)
3
Connector
Keyboard/Mouse Port
4
Keyboard/Mouse Port
5
Parallel Port
6
Game Port
7
Serial Port
8
External Monitor Port
9
-
10/100TX Ethernet
q
S Video
w
(Composite) TV Out
e
Audio Out
10 P
RODUCT DESCRIPTION
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Specifications
Physical and Environmental
SpecificationU.S.Metric
Height
Depth
Width
Weight
with 14.1" TFT Display
with 15.0" Display
Battery Pack Power
Requirements
Nominal Operating
Maximum Average
Peak Operating
AC Power Requirements
Operating Voltage
Operating Current
Operating Frequency
Maximum Transient
Temperature*
Operating
Non-Operating
Relative Humidity
(noncondensing)
Operating
Non-Operating (tw = 38.7°C max)
Altitude
Operating
Non-Operating
Shock
Operating
Non Operating
Vibration
Operating
Non Operating
1.63 in
12.99 in
11.02 in
4.14 cm
33.00 cm
28.00 cm
7.8 lbs3.54 kg
Li-ion 3.2 AHr
W @ 14.8 V
W @ 14.8 V
W @ 14.8 V
100-240 V
0.8/0.4 A RMS
47-63 Hz (meets IEC801-4 & 5)
1kV for 50 ns
50° to 95°F
-4° to 140°F
10 to 90%
5 to 95%
0 to 10,000 ft
0 to 30,000 ft
10° to 35°C
-20° to 60°C
35 to 90%
60 to 95%
0 to 3.05 km
0 to 9.14 km
10 G, 11 ms, half sine
240 G, 2 ms, half sine
0.5 G
1.5 G
*Applicable safety standards specify thermal limits for plastic surfaces.
Presario 1800XL Notebooks operate well within this temperature range.
on the power management settings, system
components such as installed PC Cards, and the
applications in use.
8 S
PECIFICATIONS
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Connector Pin Assignments
This chapter provides the pin assignments for Presario 1800 Series Notebook connectors.
For more information on connectors or external ports, refer to Rear Connectors
QuikDock Connectors
Note: The signals in all tables of this chapter are considered active high unless otherwise
indicated by an asterisk (*).
.
Parallel Connector
and
PinSignalPinSignal
1Strobe*10Acknowledge*
2Data Bit 011Busy
3Data Bit 112Paper Out
4Data Bit 213Select
5Data Bit 314Auto Linefeed*
6Data Bit 415Error*
7Data Bit 516Initialize Printer*
8Data Bit 617Select In*
9Data Bit 718-25Signal Ground
*Signal is active low.
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
C
ONNECTOR PIN ASSIGNMENTS
1
Serial Connector
PinSignalPinSignal
1Carrier Detect6Data Set Ready
2Receive Data7Ready to Send
3Transmit Data8Clear to Send
4Data Terminal Ready 9Ring Indicator
5Signal Ground
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Keyboard/Mouse Connector
PinSignalPinSignal
1Data 14+5 V
2Data 25Clock 1
3Ground6Clock 2
2 C
ONNECTOR PIN ASSIGNMENTS
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Models: XL180, XL181, XL182, XL183, XL185,
Modem Connector
PinSignalPinSignal
1Unused4Unused
2Tip5Unused
3Ring6 Unused
Presario 1800 Series
and XL190, XL191, XL192
Game Port Connector
PinSignalPinSignal
1+5V9+5V
2SWA10SWC
3RBTA11RBTC
4GND12RMSO
5GND13RBTD
6RBTB14SWD
7SWB15RMSI
8+5V
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
C
ONNECTOR PIN ASSIGNMENTS
3
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
External VGA Monitor Port
PinSignalPinSignal
1Red Analog 9+5V
2Green Analog10Ground
3Blue Analog11Monitor Detect
4Not connected12DDC2B Data
5Ground13Horizontal Sync
6Ground Analog14Vertical Sync
7Ground Analog15DDC2B Clock
8Ground Analog
S-Video Connector
Pin SignalPin Signal
1Ground3SYR
2Ground4SCG
4 C
ONNECTOR PIN ASSIGNMENTS
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
TV Out Connector
PinSignalPin Signal
1Ground3Ground
2Composite
Univeral Serial Bus (USB)
PinSignalPinSignal
1+5V3Data +
2Data -4Ground
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
C
ONNECTOR PIN ASSIGNMENTS
5
Models: XL180, XL181, XL182, XL183, XL185,
QuikDock Connector
Pin SignalPin SignalPin SignalPin Signal
1Adapter Power22Serial Port DCD 43Keyboard Clock64MIDI Output
2Adapter Power23Serial Port DSR 44Keyboard Data65Headphone
3Adapter Power24Serial Port TXD45Mouse Clock66USB Power
4Adapter Power25Serial Port RTS46Mouse Data67USB Power
5Adapter Power26Monitor DDC47Lp Select68USB Power
6Adapter Power27Monitor DDC48Lp Paper End69USB Power
7Not Connected28Monitor
8Printer Data 029V. S Y N C50Lp Busy71USB A+
9Printer Data 130Ground51Lp Error72USB B-
10Printer Data 231H.SYNC52Lp Acknowledge 73USB B+
11Printer Data 332Ground53Lp AutoFeed745V
12Printer Data 433Blue54Lp Strobe755V
13Printer Data 534Ground55Joystick Data A76Line Out Left
14Printer Data 635Green56Joystick Data B77S-Video SYR
15Printer Data 736Ground57Joystick Data C78Ground
16Lp Indicator37Red58Joystick Data D79S-Video SCG
17QuikDock
Indicator
18Serial Port
RXD
19Serial Port RI40Line Out Right61Switch C82Ground
20Serial Port
DTR
21Serial Port CTS 42Power Cycle63MIDI Input
38Ground59Switch A80Ground
39Composite TV
41Line Out
Presario 1800 Series
and XL190, XL191, XL192
Sense
49Lp Initialize70USB A-
Indicator
60Switch B81Ground
Out
62Switch D
Present
6 C
ONNECTOR PIN ASSIGNMENTS
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Battery and Power Management
This chapter describes power management and proper battery operating practices for
Presario 1800XL Notebooks. These practices include conservation of AC power and
extending the operating life of the battery. The following sections also outline proper
methods to startup and shutdown the Notebook in various situations.
Power Modes
Presario 1800XL Notebooks have three levels of low power: Hibernation, Standby, and Off.
Hibernation
Hibernation mode helps conserve battery life and protect data. The Notebook automatically
enters Hibernation mode when the battery has little power left or when the Notebook
(operating on battery power) is in Standby mode for more than one hour. As the Notebook
enters Hibernation, it automatically stores the contents of the Notebook memory to the
hard drive before shutdown. When the Notebook wakes from Hibernation, it returns to its
former state.
Note: When the Notebook enters or wakes from Hibernation mode, a Progress window is
displayed.
To activate Hibernation mode, press the Power button once.
To resume from Hibernation mode, press the Power button once.
Standby
Standby mode is a low-power mode, also referred to as Sleep mode. The Notebook
maintains system information and open files while in Standby mode. Selecting Standby
mode instead of turning off the Notebook when finished has two advantages: 1. It allows
the Notebook to wake up faster than turning it off; 2. It saves more power than the
Active-On mode.
CAUTION: Unsaved information is lost if the Notebook is turned off prior to
system wake-up, or if a power loss occurs while using the AC adapter.
Ä
Ä
ÄÄ
To activate Standby/Sleep mode, press Fn+F4 or click Start, select the Shut Down
option, and then Standby.
To resume from Standby/Sleep mode, press any key.
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
B
ATTERY AND POWER MANAGEMENT
1
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Full Off
Off mode consumes no power. However, the battery charges while the Notebook is in Off
mode if the battery is installed and the Notebook remains plugged into external AC power.
Note: Unsaved information is lost if the Notebook is shutdown without saving the data.
To activate Off mode, click the Start button on the Windows taskbar, click Shut Down,
and then select shutdown from the options.
To resume from Off mode, press the Power button once.
WARNING: The Notebook must be shutdown (Off mode) when installing or
replacing components. Follow the instructions for putting the Notebook into Off
Å
Å
ÅÅ
mode, unplug it from the outlet, and remove the battery pack (see Removing the
Battery) before servicing any parts.
Summary of Power Modes
The following table outlines entering and exiting the various power modes and the external
indicators for each mode.
Standby ModeHibernation ModeOff Mode
Automatic
Activation
Manual
Activation
Resume/Exit Press any key.Press Power button
IndicatorsPower light flashes and
*The Notebook will not automatically enter Standby or Hibernation mode if using AC power.
**Important: The Manual Shutdown procedure is not recommended unless the Standard
Shutdown is unsuccessful.
15 minutes if using
battery power* (preset
default)
Press Fn+F4 key
combination or click
Start on the Windows
taskbar, Shutdown,
and then Standby.
Moon icon appears on
status display.
When battery is low or
after 1 hour of
Standby*.
Press Power button
once.
once.
Power light is off,
screen is blank, and
Power icon does not
appear on status
display.
Standard Shutdown:
click Start on the
Windows taskbar, click
Shutdown, and then
shutdown.
Manual Shutdown**:
Press and hold down
the Power button for 4
seconds.
Press Power button
once.
Power light is off,
screen is blank, and
Power icon does not
appear on status
display.
2 B
ATTERY AND POWER MANAGEMENT
P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1800 S
ERIES
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