HP Omnibook 300 425 430 530 Service Manual

5OmniBook 300OmniBook 425OmniBook 430OmniBook 530the flash disk versionOne slot available withthe hard disk versionthe flash disk versionOne slot available withthe hard disk versionthe hard disk versiondrivePre-installedSoftwareMS©
 Windows 3.1*MS DOS©
 5.0*MS Word 2.0*MS Excel 4.0*LapLink RemoteAccess™Phone BookAppointment BookHP Financial CalculatorMS©
 Windows 3.1*MS DOS©
 5.0*MS Word 2.0*MS Excel 4.0*LapLink RemoteAccess™Phone BookAppointment BookHP Financial CalculatorMS©
 Windows 3.1MS DOS©...

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7DescriptionPart NumberOB300OB425OB430OB5301Standoff0380-40602Screw M2x4.6mm (T6)0515-23963Mouse5061-43904Arm Eject Mouse SpringF1030-000165Pivot Door SpringF1030-000266Spring Card EjectF1030-000297Mouse Latch SpringF1030-000308Mylar Mouse ShieldF1030-200019Door BatteryDoor Battery (10 pack)F1030-60912Door Battery (silver)F1052-4001210Pivot DoorPivot Door (PCMCIA) AF1030-40013Pivot Door (PCMCIA) BF1030-40014Pivot Door (PCMCIA) LeftF1052-4000711Door Modem BlankF1030-4001612Door RAMF1030-4001713Rubber...

Part 2
Troubleshooting
· OmniBook Self Test
· Troubleshooting Flowchart 

10OmniBook Self-Test
The OmniBook Self-Test provides on-board hardware and firmware diagnostics.  To operate the
self-test, perform the following steps:
1.  Save all files and close all applications:  The OmniBook is reset at the end of the self-test.
2.  Turn the OmniBook OFF.
3.  Press and hold the [Esc] key and press [ON].  You will hear a short three-tone beep.
4.  Self Test will initialize and start.
5.  To run a test:
Highlight the test name and press [ENTER].
Highlight the test name and press...

11Figure 3 - Serial Loop Back ConnectorFigure 4 - Parallel Loop Back Connector 

12Troubleshooting Flowchart
The following series of flowcharts is intended as a guide for troubleshooting the OmniBook 300,
425, 430, and 530.  Each technician should still rely on personal experience and supplemental
knowledge when diagnosing a problem.
These tips should be kept in mind when referencing the troubleshooting flowcharts:
· Use the Main Troubleshooting Flowchart to isolate the problem to a particular area.
· Use the additional individual troubleshooting flowcharts to narrow down the problem...

13Main Troubleshooting FlowchartSTARTEliminate all
obvious physical
problems?Isolate damage.
Refer to repair
process NoGet user
information:
Name
Telephone number
Unit serial number
Repair historyOB units power
light comes on?See Power
Source
flowchartSingle beep
during boot-up?See Boot-
up
flowchartSee  DOS or
Windows?Memory OK? (No
memory errors)Hard disk
operates OK?See Hard
Disk
flowchartSee
something in
display?See Display
flowchartSee
Memory
flowchartSee Hard
Disk
flowchartUnit has at least 1-
1/2...

14Main Troubleshooting Flowchart (continued)Parallel port
operates correctly?See Parallel
Port flowchartSerial port
operates
correctly?See Serial
Port
flowchartExternal VGA
operates correctly?See Serial
Port
flowchartPCMCIA cards
operate correctly?See PCMCIA
flowchartIf you still have
a problem, its
in software or in
a part of the
unit not covered
by these
flowcharts.A
Yes
Yes YesNo
No
No
NoInfrared port
operates correctly?See IR
flowchart
YesNo