Compaq Value Microportable Projector MP1400 Manuale utente

SERVICE MANUAL

This manual is prepared for the maintenance service for the Compaq MP1400 Micro-portable

ColorDMD Projector. Maintenance procedures described in this manual are intended to isolate faulty

parts and replace them in the field. It also aims to serve as a guide in procuring replacement parts for

this product.

This manual is copyrighted and all rights are reserved. This product may not, in whole or in

part, be copied, photocopied, translated or reduced to any electronic or machine readable form without

prior written consent except for copies retained by the purchaser for backup purpose.

This manual includes system overview, major system assembly, components’ description, and

the “Troubleshooting” making explanations on how to detect errors. It also includes a flow chart for

checking or correcting faults.

No warranty or representation, either expressed or implied, is made with respect to this

documentation, its quality, performance, merchantability or fitness for particular purpose.

No event that the vendor will be liable for direct, indirect, special, incidental or consequen-

tial damages arising out of the user or inability to use this product or documentation.

✍NOTICE :

The information found in this manual is subject to change without prior notice.

Any subsequent changes made to the data herein will be incorporated in further

edition.

AllRightsReserved

Manual Version 1.0

Document #817-G04-01A

Preface

SERVICE MANUAL

✽ Table of Contents ✽

I. Introduction 1-1

1-1 Technical Specification 1-2

1-2 Environmental Specification 1-4

II. Fundamental Principle 2-1

2-1 Projector Controls and Indicators 2-2

2-2 Optics 2-4

2-3 System BlockDiagram 2-6

III. Mechanical Construction 3-1

3-1 Package Overview 3-2

3-2 Exploded Overview 3-4

3-3 Field Replacement Unit (FRU) List 3-10

IV. The Procedure of Disassembly 4-1

4-1 Disassemble Lamp Module 4-2

4-2 Disassemble Right Housing 4-3

4-3Disassemble Keypad Board 4-4

4-4 Disassemble DC-DC Converter 4-5

4-5 Disassemble Electronic Module from Left Housing 4-6

4-6 Disassemble Main Board and DMD Board 4-7

4-7 Disassemble Fan, Ballast and Elevator Module 4-8

V. The Function of Boards 5-1

5-1 Main Board (Side A) 5-2

5-2 Main Board (Side B) 5-4

5-3 DMD Board (Side A) 5-8

5-4 DMD Board (Side B) 5-10

5-5 DC-DC Converter (Side A) 5-14

5-6 DC-DC Converter (Side B) 5-16

5-7 KeyPad Board 5-17

SERVICE MANUAL

VI. Troubleshooting 6-1

6-1 EquipmentNeeded 6-2

6-2 Main Procedure 6-2

VII. Function Test & Alignment Procedure 7-1

7-1 Product 7-1

7-2 Test Equipment 7-1

7-3 Test Condition 7-1

7-4 Test Display Modes & Pattern 7-2

7-5 Function Test and Alignment Procedure 7-5

VIII.Specifications 8-1

8-1 Lamp Specification 8-2

8-2 DC-DC Power Specification 8-4

8-3 ScreenDefects 8-8

IX. DDC Key-In Procedure 9-1

9-1 Equipment 9-1

9-2 Procedure 9-1

X. Firmware Upgrading Procedure 10-1

10-1 Equipment 10-1

10-2 Setup Procdure 10-2

10-3 Upgrading Procdure 10-2

XI. Appendix 11-1

11-1 SerialNumberDefinition 11-1

SERVICE MANUAL

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Chapter I

Introduction

This manual is applied to Compaq MP1400 Microportable Projector with digital imaging func-

tionality based on Digital MicromirrorDevice (DMD) technology. It’s the mode of single panel, UHP

lamp and 800*600 resolution. The manual gives you a brief description of basic technical information to

help in service and maintaining the product.

Your customers will appreciate the quick response time when you immediately identify problems

that occur with our products. We expect your customers will

appreciate the service that you offer them.

This manual is for technicians and people who have an electronic background. Send the product

back to the distributor for repairing and do not attempt to do anything that is complex or is not mentioned

in the troubleshooting.

SERVICE MANUAL

Martin 1-2

1-1 Technical Specification

Projection Panel DMD7” SVGA800*600*1

Lamp Type Baseline is 1.0mm (minimum improved 1.3mm)

Brightness > 600 lumens Goal : 700 lumens

Avg. Lamp Life in Hours 1500 hours for 1.3mm, 1000 hours minimum for 1.0 assume

use the same reflector as 1.3mm

Noise Level Under 44dBA Goal : 42dBA

Projection Lens 3.3 feet - 35.64 feet; 1 meter - 10.8 meters

Max. Weight (Unpacked) Under 4.5 lbs (without cables, handle and cap)

Max. Dimensions (W*H*D) 8*8.5*27 inches

Resolution 800*600 (SVGA)

Max. Graphics Resolution 1024*768 compression

Displayable Colors 16.7 million colors

Power Source 90 - 265 VAC, 50 - 60 Hz

Flash Upgrade RS232 to DFP adapter

Input Terminal One 15-pinD-type connector with one cable included,

one Digital FP connector with one cable included

Firmware Pixelworks 264 chip with USB,DVI, IR

SERVICE MANUAL

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Miscellaneous Firmware upgradeable throughDFP

Utilize low-cost projection lens (Y.K.) - plastic holder

Flicker free ballast power supply

Shorter Hollow integration rod

Xilinx FPGAfor 0.7 SVGA now, ASIC conversion

for 0.7SVGA-2/00

Online Documentation Multilingual User’sGuide in pdf format with reader

Presentation Utility Utility for changing resolutions including dual-display

support and turning off power-saver and screen saver

(multilingual)

Projector Display Assistant Utility for helping the user set clock, clock phase, contrast,

etc... (English only)

Video Compatibility NTSC CM, 4.43MHz

PAC (B, D, G, H, I, M, N)

SECAM (B, D,G, K, K1, L)

Computer Compatibility Horizontal Frequency : 15 ~ 60 KHz

Vertical Frequency : 48 ~ 85Hz

SERVICE MANUAL

Martin 1-4

1-2 Environmental Specification

Temperature

Sea Level : Operating 10oC ~ 40oC

Non-operating -30oC ~ 65oC

2500~5000ft : Operating 10oC ~ 35oC

Non-operating -30oC ~ 65oC

5000~10000ft : Operating 10oC ~ 28oC

Non-operating -30oC ~ 65oC

Humidity

Operating 20 to 80% relative, non-condensing

Non-operating 5 to 95% relative

Altitude

Operating 0 ~ +10,000 feet (3048m)

Non-operating 0 ~ +30,000 feet (9144m)

SERVICE MANUAL

Martin 2-1

Fundamental Principle

Chapter II

This section provides the conceptual drawing about optics of projector and basic functions in the

on-screen menu. You can realize optical projection system through the following diagram and also the

integral part of configuration.

SERVICE MANUAL

Martin 2-2

2-1 Projector Controls and Indicators

OSD Select button

Auto-image

button

OSD- and + buttons

Standbybutton

❒ON/OFF Switch

The projector shall have a AC mains power control switch visible and accessible on the

end of the projector, near the video and AC inlets.

❒Indicator LED

There shall be an LED located in the Standby button which lights green when the projector

is powered on with a stable and usable display. The color shall change from green to

yellow to indicate it is in the suspend or standby modes.

❒Projector Input Signal Selection

There is no input signal select switch on the projector itself. It is achieved either via the

projector OSD, pushing the Source button on the multimedia adapter or by pressing the

Source button on the remote control.

SERVICE MANUAL

Martin 2-3

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❒On-Screen Display Pushbuttons

There shall be three side panel buttons, a Select button, a Plus(+) button, and a Minus(-)

button, for controlling the On ScreenDisplay (OSD) which provides a means of adjusting

projector parameters.

❒Standby Function

This button is used to instantly put the projector into a “standing by” sequence. When

pressed, first the projector switches from the displayed video to the “Going to Standby”

information screen. Then, after approximately a 10-second delay, the lamp shuts off and

the color wheel stops. The fans continue to operate to cool the lamp and projector, and then

they also shut off when the internal temperature reaches a comfortable temperature. The

electronics remains powered to expeditea restart. The Standby button LED flashes for

approximately 45 seconds to indicate the projector cannot be restarted during this time.

When the Standby LEDstops flashing, the button can then be pressed so the lamp, color

wheel and fans all restart to restore full functionality.

❒Resync Button

This button is to the right of the OSD control buttons. When it is pressed, the micro-

controller shall enter a routine to remeasure the sync frequencies, optimize the clock, clock

phase and reset the size and centering of the image on the screen. The settings realized by

this function shall override any previous user settings for this mode. These shall then be

overridden by any user adjustments subsequently made through the OSD, until the next time

this button may be pressed for this mode.

❒Projector Control

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