Optoma EP756 User manual

1-1 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
This manual is applied to 0.7*1 DMD Color Projector with digital imaging
functionality based on Digital Micromirror Device (DMD) technology. Its the
mode of single panel, 250 watt long life HP lamp. The manual gives you a
brief description of basic technical information to help in service and main-
taining the product.
Your customers will appreciate the quick response time when you immedi-
ately identify problems that occur with our products. We expect your cus-
tomers 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.
Introduction
11
11
1

1-2 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
1-1 Product Highlights
- One panel 0.7 DMD XGA projection system with 1615 ANSI lumens, 64% uniformity (Japan)
- 250 Watt Philips HP Lamp 2,000 hrs ( ser replaceable)
- High efficiency cooling system with system acoustic noise level 37 +/- 1dB(A) (Average)
- Light weight less then 6.6 lbs
- Manual focus projection zoom lens 1.2X
- True 1024 x 768 resolution, True colors
- With up, down, left, and right screen reverse
- XGA / SVGA/ VGA / MAC / iMAC / PC98 / FM Towns / VESA compatibility with XGA compression &
120 Hz High Refresh Compatible
- Auto image re-sizing to True XGA 1024 x 768 Addressable Pixels screen
- Auto detection of computer signal input
- Auto Image ( Auto-tracking / Frequency / Position adjustment )
- Powerful enlarge and freeze function
- Automatically saves adjustments for future use
- On-screen menu with 10 languages
- On Screen lamp life timer
- Build-in full screen NTSC / PAL / SECAM video capability with S-video / Composite / Component and
HDTV terminals with 4 : 3 / 16 : 9 format
- One DVI PC-data input ( Including Analog and Digital RGB signal )
- Built-in 2 speakers with 3 Watt amplifier
- Wireless remote controller
- Adaptive voltage control fan speed

1-3 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
1-2.1 Optical Features
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1-2 Technical Speci ication
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"88.44/'47.3/m41.1"150.82/'833.2/m317.0"573.32/'849.1/m495.0
"47.87/'45.6/m0.2"312.94/'001.4/m052.1"010.14/'714.3/m240.1
"11.811/'48.9/m0.3"918.37/'051.6/m578.1"615.16/'521.5/m365.1
"84.751/'21.31/m0.4"524.89/'002.8/m5.2"120.28/'338.6/m380.2
"58.691/'04.61/m0.5"30.321/'052.01/m521.3"625.201/'245.8/m406.2
"22.632/'86.91/m0.6"836.741/'003.21/m57.3"130.321/'052.01/m521.3
"95.572/'69.22/m0.7"442.271/'053.41/m573.4"635.341/'859.11/m646.3
"69.413/'42.62/m0.8m58.691/'004.61/m0.5"240.461/'766.31/m761.4
"33.453/'25.92/m0.9"654.122/'54.81/m526.5"745.581/'573.51/m886.4
"07.393/'08.23/m0.01"360.642/'05.02/m52.6"250.502/'380.71/m802.5

1-4 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
1-2.2 Electrical Features
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1-5 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
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1-2.4 Environmental Features
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1-2.3 Mechanical Features

2-1 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
This section provides the conceptual drawing about optics of projector.
You can realize optical projection system through the following diagram
and the integral part of configuration, too.
Fundamental
Principle
22
22
2

2-2 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
2-1 Whole System Block Diagram
D-Sub
Output
S-Video
Video
Audio
DVI
D-Sub
Mouse
RS232
Input
Speaker
Front-End
oard
Inter Lock
Switch
LVPS
Module
IR Receiver
Fan
Thermal
oard
Thermal
Sensor
Formatter
oard
Module
Lamp
allast
Module
Keypad
Photo
Sensor
LAMP
Module
Color Wheel
Thermal
Switch

2-3 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
2-1.1 Front End Board Block Diagram
D-Sub output
Analog Input
Digital Input
Video Decoder
Memory
Image Process
MIS
Thermal oard
LVPS Module
DMD Module
R.G. .H.Vsync
Digital R.G. data
H.Vsync
SDA
SCL
GCLK
y (0-7)
UV (0-7)
GM-VHS
GM-VVS
GM-VPEN
GM-VCLK
Standby out
7 Sec
RESET
MCLK
DCLK
KDS (0-3)
KDR (0-2)
ERR
Standby-1
ECOMODE
LAMP Lit
Digital R.G. Data
DCLK0
DENR
DVS
DHS
LAMP ON / Lamp Lit
RESET# / Lamp Lit
RESET0 / Lamp Lit
LAMP-IN
LAMP-OUT

2-4 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
2-1.2 Thermal Board Block Diagram
THERMAL OARD Interface
FAN 1-4
THERMAL
SWITCH
THERMAL
SENSOR
LM75
MAIN
OARD
KEY PAD
20P Connector to
Formatter oard
16P Connector
3P Connector *4
2P Connector
4P Connector *2
ST
ECON
KEY 7PIN
ERR_OUT
LAMPMISS
POWER 15V, 5VA
STAND Y
ERR_OUT
IR_ON

2-5 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
2-1.1 Formatter Board Block Diagram
VCC2,VOFFSET,V IAS
VERSET GENERATION
RESET ASIC
DMD
0.7 XGA
DATAPATH
FORMATTER
DPF2A
SDRAM
SDRAM A
ALLEGRO
MOTOR
CONTROL
MICRO
CONTROLLER
CONTROL
FPGA
CONFIG/
SEQUENCE
PROM
CUSTOMER INTERFACE CONNECTOR
VCC2 (DMD)
VCC2 (ASIC)
VOFFSET
V IAS
VRESET
+5V +12V
CLOCK
OSC
DPF2A CONTROL
VSYNCZ
HSYNCZ
ACTDATA
TFIELD
OLACT
SYNCVAL
LAMP CONTROL&STATUS
COLOR WHEEL INDEX
FPGA CLK
FLASH
PROGRAMMING
HEADER
IIC US
HITACHI
DOWNLOAD
HEADER
CLKIN
COLOR
WHEEL
CONTROL
COLOR WHEEL STATUS
CWRSTZ
VOLTAGE ENA LES
IAS IN
IAS/RESET CONTROL
DMD CONTROL
P US2
MENORY CONTROL A
MENORY ADDRESS A(12)
MENORY CONTROL
DMD CONTROL
COLOR
WHEEL
DRIVE
DATA (8)
VSYNCZ, RESETZ
ADDRESS (19)
M IASRST (16)
INPUTCLK
FPGA CLK
DMD CLK
SDRAM CLK
DATA(0..63)
DMD DATA(0..63)
MENORY ADDRESS A(12)
MENORY ADDRESS (12)

2-6 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
1. Lamp Module 7. Relay Lens 2
2. Lamp Cover Glass 8. Condenser
3. Color Wheel 9. DMD
4. Hollow Rod 10. Mirror
5. Relay Lens 4 11. Projection Lens
6. Relay Lens 3
2-2 Optics
2-2.1 Conceptual Drawing
2
3
1
5
4
98
6
7
10
11

2-7 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
Lamp Module The light source.
Lamp Cover Glass Protecting system components if the lamp explodes
Color Wheel Separating the light beam into and produce R.G.B colors.
Hollow Rod Making the light beam uniform.
Relay Lens Relay the object
Condenser Condensing the light beam.
DMD Module Displaying component.
Mirror Folding optical path.
Projection Lens Projecting image on the screen
2-2.2 Basic Functions

2-1 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
This section provides the package and exploded overview, replaceable
parts list and recommendatiom parts list for the portable projector. You can
place an order for correct parts in the recommendation parts list.
Mechanical
Construction
33
33
3

3-2 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
3-1 Package Overview

2-3 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
Replacement Parts List
metI N/P .veR noitpircseD
A00.50568.PD A EGAKCARROF757PE.P.D
1 190.20325.53 A KNALB29*801NOTRACLEBAL
2 100.60638.53 A 557PEOBMOCNNOCVALEBAL
3 200.21000.63 B SEIRESPPLROFSUDRACTNARRAW
4 100.81000.63 A ROFASUMROFNOITARTSIGER;YTNARRAWDEDNETXE
SEIRESPPL
5 100.40568.63 A 757PELAUGNILITLUMEDIUGS'RESU
6 100.50568.63 A 757PELAUGNILITLUMDRACTRATSKCIUQ
7 100.51105.24 B 41SI+03PSmm0381DROCREWOPELBAC
8 110.90205.24 B 006orPzEM2SHV-SELBAC
9 110.51708.24 B M5ACROTKCAJINIMELBAC
01 200.01105.24 B OEDIV-PPLmm0051ACRELBAC
11 100.51708.24 B mm0081ACROTKCAJINIMELBAC
21 100.01918.24 B M8.1BUS-D/EPYT"A"BSUOTP8NIDINIMELBACY
OSURAC
31 150.10035.24 B KCALB5+C3M8.1P51AGVELBAC
41 200.10438.54 A 537orPzELEBALADFHTIWRELLORTNOCETOMER
51 100.10308.64 B V5.14#YRETTAB
61 100.90125.15 A 0205-TML70.0*053*054GABEP
71 100.23638.15 A 557orPzEA12-TCCPREVOCEDIS
81 100.10638.35 A 557orPzEGABYRRACTFOS
91 100.20338.55 A 037orPzEXOBYROSSECCANOTRAC
02 200.10638.55 A 557PE223*483*424BANOTRAC
12 100.20338.65 A 537orPzEEPEXOBYROSSECCAROFNOITITRAP
22 100.10638.65 A 557orPzEEPENOIHSUC
32 100.20638.65 A 557orPzEEPEESACTFOSEDISNINOIHSUC
42 100.10000.75 A g02REIRD2OISKCAP
52 100.70638.57 A 557orPzEELUDOMPACSNELYSSAYUB

3-4 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
3-2 Exploded Overview
Replacement Parts List
metI N/P .veR noitpircseD
- 100.20568.CD A 757PE.C.D
1 100.70708.53 A 006orPzEPMAL-GNIRRAWLEBAL
2 100.40568.53 A 757PE"757PE+AMOTPO"ETALPEMANLEBAL
3 100.70638.15 A 557orPzEA12-TCLYRONREVOCPMALMTB
4100.63638.15A 557orPzEREVOCPMALROFROTALUSNI
5100.11508.16A KCALB4-8*3MHCEMNAPWERCS
6 100.31568.07 A 757PEELUDOMGNISUOHMOTTOBYSSA
7 300.61638.07 A SPILIHPROF557PEGNISUOHPOTYSSA
8 050.323A0.58 A 557orPzEKCALB5*3MHCEMF/PWERCS
9003.323A1.58kcalB03*3MhceMnaPwercS
01 200.83000.16 A 8*3Mmm06=LXEHWERCS

2-5 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
Replacement Parts List
3-2.1 Top Housing Module
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metI N/P .veR noitpircseD
- 300.61638.07 A SPILIHPROF557PEGNISUOHPOTYSSA
1 100.40638.94 B =H63DrekaepS91mm2 8WW
2 100.04518.15 A mm06*71053JM3EPAT
3 00.62638.152A 55HenecSemehTSBA+CPDAPYEK
4 100.72638.15 A 557orPzEELGNISRAELCCPSNELDEL
5 100.82638.15 A 557orPzENIWTRAELCCPSNELDEL
6 100.43638.15 A 557orPzESBA+CPKCABTENCITSALP
7 100.93638.15 A 557orPzEROTALUSNITHGILDAPYEK
8 100.60638.25 A 557orPzETFELROTALUSNIREBBURREKAEPS
9 100.70638.25 A 557orPzETHGIRROTALUSNIREBBURREKAEPS
01 100.80638.25 A 557orPzEt0155MSROTALUSNIDRAOBDMD
11 100.40118.16 A 016orPzEt0.1CCESREDLOHREKAEPS
21 300.91638.16 B SPILIHPROF557PED19ZAMUISENGAMGNISUOHPOT
31 100.22638.16 A 557orPzEREPPOCKNISTAEH
41 100.02638.07 A 557orPzEELUDOMREVOCRIKCABYSSA
51 100.60638.08 A 557orPzEDRAOBDAPYEKABCP
61 100.80638.08 A 557orPzEDRAOBREKAEPSABCP
71 050.323A0.58 A 557orPzEKCALB5*3MHCEMF/PWERCS
81 040.321A1.58 A iN4*3MHCEMNAPWERCS

3-6 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
3-2.2 Bottom Housing Module

2-7 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
Replacement Parts List
metI N/P .veR noitpircseD
- 100.31568.07 A 757PEELUDOMGNISUOHMOTTOBYSSA
1 100.51638.24 A 557PESPVLOTTSALLAB82#P0.1NIP5.A.W
2 100.60638.24 A 557orPzEREWOPTSALLAB-SPVL02#NIP2A.W
3 100.10000.15 A 08-JY-GPEITELBAC
4 100.04518.15 A mm06*71053JM3EPAT
5 100.70568.15 A 757orPzEt5.0PPRESPVLROFROTALUSNI
6 100.32638.15 A 557orPzESBA+CPPMALCREVOCROTCENNOC
7 100.42638.15 A 557orPzESBA+CPTNEVEDIS
8 100.04638.15 A 557orPzEt0.1ENOCILISROTALUSNITHGILREVOCPMAL
9 100.84638.15 B 557orPzECPREVOCTCETORPEDIS
01100.92000.16iN8D*5*3MhceMnaPwercS
11 100.72918.16 A OSURACnZ-REHSAW
21 100.51638.16 A 557orPzEREPPOCmm85=LRECAPSXEH
31 100.42638.16 B 557orPzEt8.0CCESTEKCARBTEKCOSREWOP
41 100.11568.07 A 757PEELUDOMROTCENNOC
51 100.21568.07 A 757PEELUDOMENIGNELACITPOYSSA
61 100.42568.07 A 757PEB71-TCGSHMTBYLNOYSSA
71 100.12638.07 A 557orPzEELUDOMREVOCRITNORFYSSA
81 100.62638.07 A 557orPzEELUDOMNAFLAIXAYSSA
91200.20638.57H F557PESPVL+CFPYLPPUSREWOPYSSA
02 00.60638.573A 557PEELUDOMROTAVELEYSSAYUB
12 050.323A0.58 A 557orPzEKCALB5*3MHCEMF/PWERCS
22 080.323A1.58 A KCALB8*3MHCEMNAPWERCS
32 050.422C1.58 A *4MHCEMNAPWERCS5 REHSAWHTOOT/WROLOC
42050.323A4.58A KCALB5*3MHCEMTALFWERCS
52 060.623A4.58 A KCALB6*6.2MHCEMTALFWERCS

3-8 EP757 SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix
metI N/P .veR noitpircseD
- 100.21568.07 A 757PEELUDOMENIGNELACITPOYSSA
1 100.20638.24 B 557orPzE42#P0.2NIP42A.W
2 100.30638.24 A 557orPzETNORFRI62#P3A.W
3 100.61638.24 A 557PEmm001=L0.1=HCTIPNIP01CFFELBAC
4 100.50638.24 A 557orPzE62#P0.2NIP4A.W
5 100.80638.24 A 557orPzEKCABRI62#P3A.W
6 100.10108.15 A 5-BCSSTROPPUSRECAPS
7 100.81638.15 A 557orPzEt5.0PPRFTSALLABROFROTALUSNI
8 100.91638.15 A 557orPzESBA+CPESABGNIRMOOZ
9 100.02638.15 A 557orPzEA91-TCSBA+CPGNIRSUCOF
01 100.12638.15 B 557orPzEA91-TCSBA+CPREVOCTNORF
11100.83638.15t5.0PPRFrotalusnIthgiLenignE
21 100.34638.15 A 557orPzEt3.0PPRFRALYMDRAOBROTCENNOC
31 00.44638.152A 557PEt0.5REBBURTROPPUSDRAOBNIAM
41 100.50638.25 A 557orPzEREBBURENOCILISGNIRMOOZ
51 100.41638.16 A 557orPzEt8.0CCESTEKCARBTSALLAB
61 100.81638.16 A 557orPzEREPPOCmm04=LRECAPSXEH
71 100.51568.07 A 757orPzEELUDOMDRAOBLAMREHT
81 100.61568.07 A 757PEELUDOMENIGNE
91 100.20568.08 G 65HDRAOBDNETNORFABCP
02 050.323A0.58 A 557orPzEKCALB5*3MHCEMF/PWERCS
12 030.226A4.58 A OSURACKOLYNKCALB3*2MHCEMTALFWERCS
22 520.121AY.58 A iN5.2*7.1MPATDAEHTALFWERCS
32050.32100.58A iN5.5L*5H5.0*3MHCEMXEHWERCS
42 100.90638.08 A 09=DI557orPzEDBROSNESLAMREHTABCP
3-2.3 Optical Engine Module

Replacement Parts List