Canon LV-7105E/D78-5133 User Manual Page 1

SERVICE MANUALEnglish EditionLV-7105U/D78-5132LV-7105E/D78-5133By Portable Document Format1General0PREFACE2Repair3Adjustment4Troubleshooting5Parts Cat

Part 4: Troubleshooting4-22

Part 5PartsCatalog

PARTSCATALOGMultimedia ProjectorLV-7105U REF.NO.D71-5132LV-7105E D71-5133Power ProjectorLV-7105J D71-5131

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Page 1PARTS LISTREF.NO. D78-5131D78-5132D78-5133NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS*1 DY4-6096-000 C 1 COVER, TOP*2 DY4-6098-000 C 1 CO

7050505050484848484844444444624545454545454569227576778079782163Page 2CANON LV-7105J REF. No. D78-5131LV-7105U D78-5132LV-7105E D78-5133

Page 2PARTS LISTREF.NO. D78-5131D78-5132D78-5133NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS21 DY4-6029-000 C 1 HOLDER, INTEGRATOR IN22 DY4-6030

(80)(77)(78)(75)717281(76)(79)668268677374(69)73656164(63)Page 3CANON LV-7105J REF. No. D78-5131LV-7105U D78-5132LV-7105E D78-5133

Part 1GeneralInformation

Page 3PARTS LISTREF.NO. D78-5131D78-5132D78-5133NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS61 DY4-6050-000 C 1 PRISM, PBS(63) DY4-6052-000 C 1

A100A001A200A2800A1800A600SP901SW904FN905FN901IL901L901L902L903F601POWERP. C. B .A901SW902A1000FN902FN904FN903LP900Page 4CANON LV-7105J REF. No. D78-

Page 4PARTS LISTREF.NO. D78-5131D78-5132D78-5133NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS*A001 DY4-6114-000 C 1 PCB ASS'Y, AUDIO*A100 DY

U-1U-2V-1V-2W-1 X-1ZPage 5CANON LV-7105J REF. No. D78-5131LV-7105U D78-5132LV-7105E D78-5133

Page 5PARTS LISTREF.NO. D78-5131D78-5132D78-5133NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKSU-1 DY4-6072-000 C 1 REMOTE CONTROLLER, LV-5100U-2 D

Page 6PARTS LISTREF.NO. D78-5131D78-5132D78-5133PAGE NEW SYMBOL PARTS NO. QTY PAGE NEW SYMBOL PARTS NO. QTY1 53 CY2-8231-000 2 1 28 DY4-6036-000 12 50

Page 7PARTS LISTREF.NO. D78-5121D78-5122D78-5123PAGE NEW SYMBOL PARTS NO. QTY1 *c DY4-6097-000 11 *2 DY4-6098-000 11 *4 DY4-6099-000 11 *6 DY4-6100-00

Part 6ElectricalDiagrams

1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM1. The parts specification of resistors, capacitors and coils are expressed in designatedcode. Pl

Part 6: Electrical Diagrams6-2Mark Type numberR 1S2076A,1S2473,1N4148AA 1S2076A,1S2473,1SS133,1N4148● DiodeMark Type number-- 2SC536 2SC945A 2SC1815 2

AKCBEC2C1B1 B2ECCBEKACBEB2B1C1C2EEBCB2B1C1C2EB2B1C1C2E1E2KAAAKKKAKACBECBECBE123456Index12NIndexIndex12N213(IN)(OUT)(GND)214213Index1NIndex1NIndex1NInd

A1LAMP REPLACEWARNINGREADYPOWERKEY SWPOWER LEDTEMP LEDREADY LEDFAN DRIVE-SWS/VIDEO-SWPC/AV-SWFAN CONTROL1FAN CONTROL2LAMP ONKEY SWTEMP WARRLAMP ERRS-S

A2AC CORDC618ASSY PWB, MAINASSY PWB, AVASSY PWB, POWERASSY PWB, R/CASSY PWB, COMPONENTQ671IC01P.F.CONTROLTSW611Q6611Q641K3CK6JK3DK6KK3MK3N1-36-810-119

A3(SCH_MP6PA/PP6PA)INTAKE FANEXHAUST FANINTAKE FANINTAKE FAN13VCCVOUTGNDRCPRE AMP13MUTE1GNDOUTF. B .FILTERINVOLAUDIO AMP8SP-OUTVOL_CONTAUDIO_INSP-RET.

S5VPC/AV_SWV-SYH-SYMUTE9VS-SWS-CS-YCB_SW5VS-5VVIDEO5VS-5V5V5VS-5VVOL_CONTPOWER_FAIL12VS/CV_SW5VCR_SWMUTECRINYINCBINS5VRESET_MS5VV-THRXDTXDMOUSE1RCS5VC

1/16GJ10KC1/16GJ10KCCD10CGQYCD10CGQYCD10CGQY1/16GJ1KC1/16GJ1KC1/16GJ1KC1/16GJ3.9KC1/16GJ3.9KC6.3EM220WM25KZ0.1GQFY6.3EM220WM25KZ0.1GQFY1/16GJ120C1/16G

R801R807R803RB851R856R854R853C806C807C851R857R802C812C811R1823R1826R1828R804R806R808R301R302C301C302TP802TP801R823R824R826R827K8Y135791113151719212325

S6V5V_SW5V_DV5V_DVCLP2APRGPSCLPSDADAC_ST5SCLK5SDATA5VOL_CONT5V_DV9VDRE7DRE5DRE6DRE4DRE2DRE1DRE0DGE3DGE5DGE7DGE0DGE1DGE2DGE4DGE6DBE5DBE3DBE7DBE6DBE4DBE

1. FEATURES1.1 Development objectivesAs multimedia capabilities become increasingly more important, the liquid crystalprojector market is showing cont

DCB015PDCB015P16EM100D1/16GJ10KC1/16GJ10KC16EM100DJ10EG030GJ10EP030GJ10EG030G16EM100DJ10EG120G1SS3556.3EM220WM6.3EM220WM25KZ0.1GQFY25KZ0.1GQFY1/16GJ10

PSDAPSCLFCNT212V115.5V112V212VFANDRIVE_SWPOWER_FAIL15.5V1POWER_FAILPOWER_FAIL12VPOWER_FAILPOWER_FAILPOWER_FAIL12V112V2POWER_FAIL15.5VFCNT115.5V S5V12V

A10(PCB_MP6PA/PP6PA) Printed Wiring Board Diagrams(LV-7105U/E)Power Board (SIDE:A) Power Board (SIDE:B)This projector is isolated from AC line by usi

A11(PCB_MP6PA/PP6PA)Component Board (SIDE:A)AV Board (SIDE:A) R/C Board (SIDE:A)“K33G”“K8A”Main BoardMain Board“K8D”Main Board“K50B”“K50A”G-LCDPanelR-

A12(PCB_MP6PA/PP6PA)Main Board (SIDE:A)PowerBoard“K6K”FN905Main Board (SIDE:B)FN903LampBallastUnitAudio AmpBoard“K6P”FN901ComponentBoard“K3R”Component

1.2 Major Features● Compact, lightweight 2.8kg/B5 file size micro-portable typeReal XGA compatible, class-leading 800 ANSI lumen output ● Supports HDT

1.3 LV-7105 Features (Details)● Brightest in the SVGA Micro Projector class - 800 ANSI Lumens1) Large screen presentation even in brightly lit confere

● Noise is cut in the absence of a signal - Blue Back function.● Impressive image size - up to 200 inches.● Reverse image function allows the unit to

Part 1: General Information1-52. LV-7105 SPECIFICATIONS2.1 Main unit1. Type: Micro-portable LCD Projector2. LCD panel: 0.7" polysilicon active ma

18. Scanning frequency: 15KHz to 100KHz for horizontal sync.50Hz to 100Hz for vertical sync.Up to 140MHz for dot clock19. Audio output: 1W monaural20.

3. NOMENCLATURE3.1 Main unitPart 1: General Information1-7Power Cord ConnectorProjection LensSpeaker Infrared Remote ReceiverLens CoverAir Intake Vent

3.2 Top controlsPart 1: General Information1-8WIDETELEPOWER MENUMODENORMALLAMPREPLACEWARNINGTEMP.READYLAMPFOCUS RINGTurn this ring to adjust the proje

3.3 Rear panel terminalsPart 1: General Information1-9COMPUTER INS – VIDEOCOMPUTERCONTROL PORTRESETAUDIOINAVY – Pb/Cb – Pr/CrAUDIO OUTVIDEORESET B

3.4 Computer Input terminalConnect the display output terminal of the computer to this terminal with the VGACable (attached).When connecting the Macin

3.6 Remote controlPart 1: General Information1-11VOLUMEPOWERD.ZOOMKEYSTONEVIDEOMENUMUTEP-TIMERNO SHOWFREEZEAUTO IMAGENORMALCOMPUTERONALL OFFD.ZOOM BUT

3.7 Operating rangePoint the remote control toward the projector (receiver's window) when pressing thebuttons.Maximum operating range for the rem

4. COMMENTARY4.1 External appearance designThis product follows the same design concept and coloring as the earlier models, LV-7325/LV-7320 to establi

● All lenses are made from lead-free glassAll lenses are made from environmentally friendly lead-free glass.4.3 Hybrid gamma correctionHybrid gamma co

Part 1: General Information1-15Fig. 1-9

5. CONNECTING5.1 Connection to the computerPart 1: General Information1-16COMPUTER INS – VIDEOCOMPUTERCONTROL PORTRESETAUDIOINAVY – Pb/Cb – Pr/CrA

5.2 Connecting to the video equipmentPart 1: General Information1-17COMPUTER INS — VIDEOCOMPUTERCONTROL PORTRESETAUDIOINAVY — Pb/Cb — Pr/CrAUDIO

CANON Multimedia ProjectorLV-7105U D78-5132LV-7105E D78-5133SERVICESMANUAL

6. SETTING-UP THE PROJECTOR6.1 Positioning the projectorThis projector is designed to project on a flat projection surface.The projector can be focuse

Part 1: General Information1-19in blurred images.6) Screen and room brightnessDo not install the projector where sunlight or lighting directly strikes

7. SUPPORTED COMPUTER SYSTEM MODEThe projector judges the incoming signal from the connected personal computer andautomatically selects the appropriat

Part 2RepairInformation

1. SAFETY INSTRUCTIONSPart 2: Repair Information2-1WARNING:The chassis of this projector is isolated (COLD) from AC line by using the converter transf

2. CIRCUIT PROTECTIONSThis projector is equipped with the following circuit protections to operate in safety. Ifthe abnormality occurs inside the proj

2.3 Warning Temperature and Power Failure ProtectionThe TEMP WARNING indicator flashes red and the projector will automatically turn offwhen the inter

Part 2: Repair Information2-4CAUTIONDo not operate the projector with the air filter removed. The dust isstuck on the LCD panel and the mirror, and it

3. MECHANICAL DISASSEMBLIESMechanical disassemble should be made following procedures in numerical order.Following steps show the basic procedures, th

Technical DocumentsApplicationThis CD-ROM is issued by Canon Inc. for qualified persons to learn technical theory and productrepair. This CD-ROM cove

3.3 Main Board Removal1. Remove 9 screws and remove the main board upward.3.4 Fuse Removal1. Remove a screw and pull the line filter cover upward and

3.5 AV and Component Board Removal1. Remove 3 screws A and FPC cables, and then take the component board off upward.2. Remove a screw B and a groundin

3.7 Lamp Ballast Unit Fan (FN905) Removal1. Disconnect the thermal switch sockets.2. Remove a screw A and disconnect the lamp socket.3. Remove 2 screw

3.9 Optical Unit and Fan (FN901) Removal1. Remove 2 screws A and the thermal switch.2. Remove a screw B anddisconnect the lamp socket.3. Remove 7 scre

3.11 Fans (FN902, FN903, FN904) Removal1. Remove 4 screws A and 3 screws B and remove the duct cover and fans (FN902 and FN903).2. Remove 2 screws C a

4. OPTICAL PARTS DISASSEMBLIES4.1 Projection Lens Removal1. Remove the Cabinet top and cabinet front following to “Mechanical Disassemblies”.2. Remove

4.3 Integrator Lens Ass’y Disassembly1. Remove the cabinet top, front and main board following to “MechanicalDisassemblies”.2. Remove 2 screws A and t

4.5 Polarized Glass-in Ass’y Disassembly1. Remove the cabinet top, front, main and component boards following to “MechanicalDisassemblies”.2. Remove e

4.7 Locations and DirectionsWhen the optical parts mounting or assembling, the parts must be mounted in thespecified location and direction. Please fo

5. LCD PANEL/PRISM ASS’Y REPLACEMENT5.1 LCD Panel/Prism Ass’y Removal1. Remove the cabinet top, front andmain board following to“Mechanical Disassembl

PREFACE1. Service Manual CompositionThis manual contains information on servicing the product. It has the following sections.Part 1 General Informatio

5.2 Note on LCD Panel/Prism Ass’y MountingAfter replacing or installing the LCD Panel/Prism ass'y, please make sure to obtain thebest focus in bo

6. CLEANINGCleaning with air spray1. Remove the cabinet top following to “Mechanical Disassemblies”.2. Clean up the LCD panel and polarizing plate by

Part 2: Repair Information2-187. LAMP REPLACEMENTProcedure1. Turn off the projector and disconnect the ACcord. Allow the projector to cool for at leas

RecommendationShould the air filter become clogged with dust particles, it will reduce the cooling fan’seffectiveness and may result in internal heat

Part 3Adjustment

1. BEFORE ADJUSTMENTSPart 3: Adjustment3-1IC302 on the main board stores the data for the service adjustments,and should not be replaced except for th

1.1 Adjustments after Parts ReplacementPart 3: Adjustment3-2Integrator Lens Adjustment❍ ●Relay Lens Adjustment❍ ●Contrast AdjustmentR-Contrast adjustm

1.2 Service Adjustment Menu OperationTo enter the service modeTo enter to the “Service Mode”, press and hold the MENU and NORMAL button onthe projecto

3. Tools & Test Equipment1) General Purpose Tools2) Test Equipment (Local Purchase)3) Other Equipment (Local Purchase)4) Chart/Software (Attached

1.3 Service ConditionsWhen you carry out the electrical, optical service adjustment or repairing with cabinettop removal, it should be done under the

Part 3: Adjustment3-51.4 Service Adjustment Data TablePC CV or S Y/Cb/Cr0 RGB AMP (Gamma OFF)✻45 45 0 - 63 Same as No.1of RGB AMP(Gamma ON)1 RGB AMP (

Part 3: Adjustment3-6For Fan Control283 Ter 3 0 - 31284 t 2 2 - 5 Temperature checking period, 0.5/1.0/1.5/2.0/2.5/3.0 sec.285 TaH 50 0 - 255286 T

2. ELECTRICAL ADJUSTMENTS[Adjustment condition]• Input signalVideo signal: 1.0Vp-p/75Ω terminated, 16 steps gray scale (Compositevideo signal)Componen

2.3 PC-Offset Adjustment1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.[R-Offset adjustment]3. Connect an oscilloscope to t

2.5 Component Gain Adjustment1. Receive the 16-step gray scale component video signal.2. Set to VIDEO (Component) mode.[Component-R gain adjustment]3.

2.6 AV Gain Adjustment1. Receive the 16-step gray scale video signal.2. Set to VIDEO mode.3. Connect an oscilloscope to test point “TP2221G” (+) and c

2.8 Signal Center Adjustment1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.[R-signal cneter adjustment]3. Connect a digital

2.10 PC/AV-Video Adjustment-1Presetting 1. Input the 16-step gray scale video signal and computer signal.[PC/AV-video adjustment] 2. Connect an oscill

2.11 PC/AV-Video Adjustment-2[PC-video adjustment-2] 1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.3. Connect an oscillosc

CONTENTSPagePart 1: General Information1. FEATURES...

2.13 Common Center Adjustment1. Receive the 1 dot line computer signal.2. Set to COMPUTER mode.[R-common center adjustment]3. Project the red light co

2.15 Black Balance Adjustment[PC black balance adjustment]1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.3. Enter to the se

Part 3: Adjustment3-163. OPTICAL ADJUSTMENTS3.1 Contrast Adujstment[Before adjustment]• Adjustment requires a 2.0mm hex wrench and aslot screwdriver.•

3.2 Integrator Lens Adujstment[Before adjustment]• Adjustment requires a 2.0mm hex driver and a slot screwdriver.• Remove cabinet top following to “Me

Part 3: Adjustment3-18Fig. 3-13Fig. 3-14ababMoving of slot BSlot BAYellowyxMoving of Slots DSlot DCSlot DCyxYellow

3.3 Relay Lens Adjustment[Before adjustment]• Adjustment requires a 2.0mm hex driver and a slot screwdriver.• Remove cabinet top following to “Mechani

4. TEST POINTS AND LOCATIONSPart 3: Adjustment● Main BoardIC6901K5CVR6601IC202VR2201VR401VR402IC2200IC301IC6101IC811VR502VR503VR501IC501VR561VR563VR56

Part 4Troubleshooting

1. TROUBLESHOOTING1.1 No Power1) Periphery of chassis1. Is fuse (F601) blown?Fuse may be opened when either the LAMP indicator or the READY indicator

3.6 Line Filter Board Removal ...2-73.7 Lamp Ballast Unit Fan (FN905) Removal ...

3) Main board1. Check that the 15.5V is observed at pins 1-3 of K3C.2. Check that the 6V is observed at pins 6-8 of K3C.3. Check that the -5V is obser

<Memo>Part 4: Troubleshooting4-3

Part 4: Troubleshooting4-4Fig. 4-1IC301SYSTEM CONTROLON/OFF BUTTON17-18161415131918146206262-5824AC INPUTFANLAMP BST_SW.LAMP POWER5V_SW.5V_SW.F601FUSE

Part 4: Troubleshooting4-55V_SW. S6V 15V 5V7P.F.C.controlP.F.C.Abnormal temperature detection insideof the projector.Abnormal temperature detection on

1.2 No Sound1) Main board1. Check that the PC/AV switching signal is correct.Pins 10 and 11 of IC5001...AV : L, PC : H2. Check that au

1.3 No Picture1) AV board1. Check that the Vcc-voltages(+5V, -5V) are applied to AV circuits.Pins 47-50 of K10A, Pins 47-54 of K10B ...5VPi

Part 4: Troubleshooting4-8Fig. 4-3TP532TP562A/DIC202DIGITALRGBMATRIXIC6101SYSTEMCONTROL&SCAN CONV.IC301D/AIC2200TIMINGCONTROLIC3301LCDDRIVERIC401R

2. CONTROL PORT FUNCTIONS2.1 System Control & I/O Port FunctionsIC Ref. NoPin/Name I/O Signal Name Function NoteIC301 PortA0 I/O ROMWEL For ICEPo

IC Ref. NoPin/Name I/O Signal Name Function NoteIC1806 12 O SCLK 3-Line Serial Clock13 O SDATA 3-Line Serial Data14 O DAC_STLOBE DAC Data Effective:

Part 4: Troubleshooting4-113. WAVEFORMSTP218TP208AV VIDEOTP207TP7223AVH-SYNCTP221RTP221GTP221BVIDEOTP7224AVV-SYNCTPDHSDHSTPDVSDVSTP2211RD/AR-OUTPUTTP1

4. TEST POINTS AND LOCATIONS...3-20Part 4: Troubleshooting1. TROUBLESHOOTING...

Part 4: Troubleshooting4-12TP2221GD/AG-OUTPUTTP2231BD/AB-OUTPUTTP531S&HG-INPUTTP501S&HR-INPUTTP511TP1501S&HR-OUTPUTTP541TP1531S&HG-OUT

Part 4: Troubleshooting4-13TP561S&HB-INTPUTTP571TP1571S&HB-OUTPUTTP505BTP506BS&HB-OUTPUT

Part 4: Troubleshooting4-144. IC BLOCK DIAGRAMS● FA5332M <Power Factor Control, IC01>● AN5265 <AUDIO OUTPUT, IC001>

Part 4: Troubleshooting4-15● PW164-10RK <System Control/Scan Converter, IC301>● CXA2111R <LCD Driver, IC401>

Part 4: Troubleshooting4-16● M62358FP <DAC, IC431>● CXD3503R <White Uniformity Compensation, IC471>

Part 4: Troubleshooting4-17●CXA2112R <Sample & Hold, IC501, IC531, IC561, IC1501, IC1531, IC1561>●STR-Z2156 <Power Switching Control, IC6

Part 4: Troubleshooting4-18● IDT71V016S <RAM, IC811>● CXA2016S <Sync Separator, IC1021>

Part 4: Troubleshooting4-19● MC10H351ML <IC1501>● LM76CHMX <Thermal Sensor, IC1831, IC1832>

Part 4: Troubleshooting4-20● MB40988PFQ<D/A COnverter, IC2200>● AV9155C <PLL, IC1961>REFERENCECLOCKCPUCLOCKOUTPUTBUFFERS2XCPUCPUAGNDPOWER-

Part 4: Troubleshooting4-21● TC4053BF <Switching, IC5001>● SAA7114H <Digital Video Processor, IC5101>