Coretronic H57 User manual

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Model Name : H57
SERVICE MANUAL
Copyright September, 2004 . All Rights Reserved
Document #81D-G04-01A . P/N: 36.81D01.001
Prepared by SI :
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Prepared by TSE :
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Check by :
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Approved by :
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ThismanualispreparedforthemaintenanceserviceforH57Micro-portableXGADLPProjector.
Maintenanceproceduresdescribedinthis manual areintendedtoisolatefaulty parts andreplacetheminthe
field.It also aims to serveas a guide in procuringreplacement parts for this product.
Thismanualiscopyrightedandallrightsarereserved.Thisproductmaynot,inwholeorinpart,be
copied,photocopied,translatedorreducedto any electronicormachinereadableformwithoutprior written
consent except for copies retained by the purchaser for backup purpose.
Thismanualincludessystemoverview,majorsystemassembly,components’description,andthe
“Troubleshooting”makingexplanationsonhowtodetecterrors.Italsoincludesaflowchartforcheckingor
correctingfaults.
No warranty or representation, either expressed or implied, is made with respect to this
documentation,itsquality,performance,merchantabilityorfitnessforparticularpurpose.
Noeventthatthevendorwillbeliable for direct,indirect,special,incidentalorconsequentialdam-
agesarisingout oftheuser orinabilityto use thisproduct or documentation.
Notice:
The information found in this manual is subject to change without prior notice.Any subsequent
changesmadeto the datahereinwillbe incorporated infurtheredition.
H57ServiceManual
CopyrightJuly,2004
All Rights Reserved
ManualVersion1.0
Document #81D-G04-01A
Preface
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Table of Contents
Chapter 1 Introduction 1-1
Product Highlight 1-1
Optical Specification 1-2
Electrical Specification 1-3
Mechanical Specification 1-7
Environment 1-9
Chapter 2 Disassembly of Procedure 2-1
Disassemble Lamp Module and Elevator Foot 2-1
Disassemble Top Cover, Front Cover, Keypad Board and
IR Sensor Module 2-3
Disassemble Main Board Module, Thermal Switch 2-7
Disassemble FanGuider Module, Wind Tunnel Module, LampDriver
Module, LVPS and Interrupt Switch Module 2-9
Disassemble Color Wheel Module,Axial Fan 90x25 Module,
Lamp Fan 60*60*25 and Optical Engine Module 2-14
Disassemble Blower Fan 50*20, Thermal Sensor Board,
Interrupt Switch Module, Bottom Cover and Rear Cover 2-21
Chapter 3 Troubleshooting 3-1
EquipmentNeeded 3-1
Main Procedure 3-2
Chapter 4 Function Test and Alignment Procedure 4-1
Test Equipment 4-1
Test Condition 4-1
TestDisplay Modes and Pattern 4-2
Inspection Procedure 4-7
Chapter 5 Firmware Upgrade Procedure 5-1
EquipmentNeeded 5-1
Hardware Setup Procedure 5-1
Firmware Program Installation Procedure 5-2

H57
Chapter 6 DDC Key-in Procedure 6-1
EquipmentNeeded 6-1
Setup Procedure 6-2
DDC Key in Procedure 6-3
Appendix A 7-1
Exploded Overview 7-1
Appendix B 7-37
SerialNumber SystemDefinition 7-37
Reader’s Response 7-38
iii

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Coretronic Corporation
Chapter 1
Introduction
Thismanualisappliedto0.7”*1DMDColorProjectorwithdigitalimagingfunctionalitybasedonDigital
MicromirrorDevice(DMD)technology.It’sthemodeof single panel, 250wattlonglifelamp.
Themanualgivesyouabriefdescriptionofbasictechnicalinformationtohelpinserviceandmaintaining
the product.
Yourcustomerswillappreciatethequickresponsetimewhenyouimmediatelyidentifyproblemsthatoccur
withour products.We expect your customers will appreciate the servicethat youofferthem.
This manual is for technicians and people who have an electronic background. Send the product back to the
distributorfor repairingand do not attempt to do anythingthat iscomplex oris not mentioned in the
troubleshooting.
1-1 Product Highlights
- One 0.7" 576pDDRDMDprojection system with 850 Typical ANSI lumen
- Contrast (FOFO) : 2500 : 1 (Typical)
-250 - Watt Phillip Lamp, 1500hrs (user replaceable)
- Highefficiencycoolingsystemwithsystemacousticnoiselevel 33dBA(Average)
- NTSC/PAL/SECAMvideo capability with S-video/ composite /component, and
HDTV(480i/p, 576i/p, 720p, 1080i)
- LightWeight:8lbs.
- Autodetectionofcomputersignalinput.
- AutoImage.(Auto-tracking/frequency/positionadjustment)
- Automaticallysavesadjustmentsforfutureuse
- OnScreenlamplifetimer
- On-screenmenuwith9languages
- OneDVIPC-datainput(IncludingAnalogandDigitalRGBsignal )
- Wirelessremotecontroller
- SupportHDCPfunction

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1-2 Optical Specification
Technology Single 0.7” 576p DDRDMDchip
Resolution 1024 x 576
Brightness 1100lumens
Typicaloutput:850lumens
Contrastratio 2500:1(Typical)
Uniformity 85%
Displayable colors 16.7million colors256 shadesof gray
Colortemperature 7500oK adjustable form 6500oK - 9500oK
Lamptype 250 wattNormal and ECO-mode to 200 watts
Lamplife 2000hours fullon mode
1500hoursto 50% survivaltypicalfull on mode
3000 hours in ECO-mode
2500hours to 50%survival typical inECO-mode
Projectionlens F/2.6-2.85; f22.3-26.8 : 1.2x
Projectiondistance 1.5-10m
Throwratio 1.57~1.87 :1distance/width
Keystone correction ±16°Vertical and Horizontal
Horizontalscanrate 15 – 100 kHz

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Vertical scan rate 43 – 120 Hz
Aspect ratio 4:3 with support for 5:4 and 1.78:1 (anamorphicDVD & HDTV)
1-3Electrical specification
Computercompatibility(analoganddigital):Allresolutions supported to UXGA-UseAD9888+Silicon
Image169.
Inputconnections
-Terminal:-
DVI x 1 (DVI,Analog RGB, Component, HDTV)
Composite Video X 1.
S-Video X 1
ThreeRCAconnectorsforComponentvideo/HDTVinput
IR x 2 (Front, Top panel)
RS232SerialControl x 1 (3 pin mini din)
Power Cord x 1
Lock OneKensingtonkey lockhole
Tilt angle 7degreeswithelevatormechanism
PowerIndicator
Red:Standby
Red on & off : Cool down in progress
Green:Projection(notabnormal)
Green on & off:Warm-up in progress
WarningIndicator
Temp-Red:Highinternaltemperature
IR receivers Front and Top of projector.
PowerSwitch No toggle power switch required or wanted.

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Powersupply
UniversalAC 100-240V 50/60 Hz with PFC input.
UsedPhillip250WLamp.
Powerconsumption Standby mode - < 10 Watts 110VAC
Operational noise 33 dB(A) 250W in normal mode.
30 dB(A) 200 W in ECO-mode.
Input signal spec
Hsync Frequency 15 ~ 100 kHz
Vsync Frequency 43 ~ 120 Hz
Video Signal RGB(PC)
Analog RGB 0.7Vp-p, 75 ohm, Separate TTLH,VSync.
Analog RGB 1Vp-p, 75 ohm, Sync. OnGreen signal
Analog RGB 0.7Vp-p, 75 ohm, Composite TTLSync.
Video
Composite video 1Vp-p,75 ohm
S-video Luminance 0.714Vp-p,75 ohm
Chrominance0.286Vp-p,75 ohm

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Computer Compatibility (Analog)

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SystemController PIXELWORKS PW463
VideoCompatibility Standards
NTSC - M (3.58 MHz), 4.43 MHz
PAL - B, D, G, H, I, M, N
SECAM - B, D, G, K, K1, L
HDTV - 480i/576i ; 480p/576p ; 720p ; 1080i
Intelligent Zoom Byusing“PIXELWORKS”chipstoprovideexcellentqualityzooming.
ControlKeyPad 1. Power 2.Menu 3. Enter 4. Up 5.Down 6.Right 7.Left
Computer Compatibility (Digital )

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Weight
Approximate8lbs
Unit dimension (W X D X H)
Innerdimension335*250*100(mm)
Projectorcontrolkeypad
Power/standby,Directional keys, enter,source,menu
Cooling System
Advancedairflow
Threefanswithlowsystemacousticnoiselevel
Temperaturecontrolcircuitswithadaptivevoltagecontrolfanspeed
FrontSide
ProjectionZoomLens
OneIRreceiver window
Rear Side
One S-Video Input
OneCompositeVideoInput
3RCARGBsinput
AC inlet; type IEC-C14
OneIRreceiver window
Kensingtonkeylockhole
OneDVI-I fordigitalRBG&Analog RGB
Left Side None.
Right Side Outletvents
1-4Mechanical Specification

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Top Side
Keypad
LEDindicators
OneIR Receiver
Bottom
One elevator foot, one fix foot and one adjustable foot
Onelampcover
Inletvent
Spec.andwarninglabels
Lamphousing
Lamp couldbechangedbycustomer,butshouldfollowthe user manualinstruction.
ReplaceableLampshouldbeprovided by Coretronicor its authorizedagencies
TiltAngle 7degreeswithelevatormechanism
Keystone correction
±16°Vertical and Horizontal
Color White
Materials
IDhousingwould be plastic part.
AZ91DMgAlloyforsomeOptic Engine parts.
LampDoorProtection
Lamppower supply shut offautomaticallywhendooropen.

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1-5 Environment
Temperature
Operating 5 — 35°C
Storage -20 — 60°C
MaximumHumidity
Operating 5 — 35°C, 80% non-condensing
Storage -20 — 60°C, 80% non-condensing
Acoustic noise level
33dB(A)(Typical, 23 ± 2¢J) withwind tunneldesign
33 dB(A) 250WNormal mode.
30 dB(A) 200 W in ECO-mode.
FollowISO-7779regulationsoundpressurelevelAweightingmeasurement
Lamplife
-1500hours typical,50% survivalrate
Altitude
Operating 0~2,500 ft 5°C~35°C
2,500~5,000 ft 5°C~30°C
5,000~10,000 ft 5°C~25°C
Storage 40,000 ft (Max)

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Chapter 2
Disassembly Procedure
The Front Side The Rear Side
2-1 Disassemble Lamp Module and Elevator Foot
Step1: Turnunit to bottom side. Remove Lamp Cover and unscrew three screws to pull out Lamp Module.
LampCover
LampModule

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Step2: Unscrew two screws to detach the Elevator Foot from Bottom Cover.
ElevatorFoot

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2-2 Disassemble Top Cover, Front Cover, Keypad
Board and IR Sensor Module
Step1: Unscrew eight screws and then turn the unit to the top side to lift Top Cover.
Step2: Unplugthree wires to separateTop Cover from themain unit.

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Step3: Separate Front Cover from Top Cover by pressing two tenons.
TopCover

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Step4: Unscrew two screws to take off IR Sensor.
Front Cover
IR sensor Module

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Step6: Take offTopIRSensorModulefrom Rear Cover andseparateIRSensorfromAnti-lightMylar.
Step5: Unscrew three screws and unplug the wire to remove the Keypad Board, Keypad Button
and FPC.
Keypad Board
FPC
IR sensor
Keypad Button
Anti-light Mylar

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Coretronic Corporation
2-3 Disassemble Main Board Module and Thermal
Switch
Main Board Module
Step1: Unplugnineconnectorsandunscrewfourscrews.
Step2: Unscrew four hex screws from Rear Cover to remove Main Board.