Canon LV-7105 Service Manual Download

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12V1

15.5V1

12V2

12V

15.5V1

POWER_FAIL

12V

POWER_FAIL

12V1

12V2

POWER_FAIL

15.5V

S5V

12V3

POWER_FAIL

12V3

FCNT1

1/16GJ
3.6KC

1/16GJ
1KC

16EM
100D

1/16GJ
10KC

J10EG

030G

J10EP

030G

16EM
100D

1/16GJ
10KC

1/16GZ
0C

DCB015P

1/16GJ
5.6KC

1SS355

1GJ470

KZ0.01
GQFY

16EM
100D

1GJ470

1GJ15

1GJ22

16EM
100D

KZ0.01
GQFY

1GJ22

1GJ330

16EM
100D

KZ0.01
GQFY

1GJ330

KZ0.01
GQFY

16EM
100D

1GJ330

1GJ22

1GJ15

1GJ22

1/16GJ
2KC

1/16
GJ
1.5KC

1/16GJ
4.7KC

1/16GZ
0C

1/16GJ
5.6KC

1/16
GJ
5.6KC

1/16GJ
2KC

1/16GZ
0C

1/16GJ
2KC

1/16GZ
0C

1/16GJ
2KC

1SS355

1/8GZ
000

16EM100D
;16EM100F1

1/8GJ5.6

J11LP600G

1/16GJ
1KC

1/16GZ
0C

1/16GJ
4.7KC

1/16GJ
1KC

1SS355

1/16GJ
2KC

1/16GZ
0C

1/16GJ
5.6KC

1GJ47

1GJ750

KZ0.01
GQFY

16EM
100D

1GJ750

1GJ47

1/16GJ
1KC

1/16GJ
3.6KC

1/16GZ
0C

1/16GJ
1KC

1SS355

1/16GJ
2KC

1/16GZ
0C

1/16GJ
5.6KC

1GJ47

1GJ330

16EM
100D

KZ0.01
GQFY

1GJ330

1/16GJ
3.6KC

1/16GJ
1KC

1/16GZ
0C

J11LP600G

1/16GJ
2.7KC

1GJ680

1/16GJ
2.4KC

1/16GJ
1KC

J11EA321G

1/10
GJ560

1/10
GJ150

1/8GJ5.6

16EM100D
;16EM100F1

25KZ0.1
GQFY

1SS355

25KZ0.1
GQFY

25KZ0.1GQFY

1/16GJ10C

25KZ0.1GQFY

1/16GJ2.2C

25KZ0.1GQFY

1/16GJ10C

25KZ0.1GQFY

25KZ0.1
GQFY

J11EA321G

J11LP600G

J11EA321G

25KZ0.1
GQFY

1/16GJ10C

25KZ0.1GQFY

1/16GJ2.2C

25KZ0.1GQFY

25KZ0.1
GQFY

25EM
22WR

16EM100D
;16EM100F1

2SB1204SP

;2SB1204TP

K3M1

K3M2

K3M3

K3N1

K3N2

K3N3

R2653

Q2651

R2651

R2669

Q2671

R2667

R2684

R2686

Q2691

C6616

R6616

K3N

K3M

C6614

R6614

Q6611

R6619

D6611

R6618

D2641

R2663

C2653

C2652

C2651

R2661

R2662

R2664

R2666

R2649

R2647

C2641

C2642

C2643

R2683

R2681

R2678

R2677

C2671

C2672

C2673

R2679

R2696

C2693

C2692

C2691

R2694

R2695

R2697

R2699

R2648

R2665

R2682

R2698

R2643

R2641

R2672

R2688

R2654

R2655

R2642

R2659

R2671

R2676

R2687

R2693

D2651

D2671

D2691

D2502

R2501

R2502

C2501

L2501

K3A1

K3A5

K3A9

K3A13

K3A17

K3A23

K3A31

K3A35

K3A43

K3A47

K3A3

K3A7

K3A11

K3A15

K3A25

K3A29

K3A37

K3A41

K3A49

K3A6

K3R

R6651

R6671

R6691

R6653

R6673

R6693

R6635

R6633

D2661

R6643

R6642

R6641

R6648

R6646

C2663

C2662

C2661

R6644

R6645

R6647

R6649

R6631

Q2661

R6634

R6665

R6663

D2681

R6683

R6682

R6681

R6688

R6689

R6687

R6685

R6684

C2681

C2682

C2683

R6686

Q2681

R6664

R6661

R6697

K3A

K3A53

K3A55

R2701

R2702

Q2702

R2703

R2704

K5R

K5R30

K5R31

K5R2

K5R1

K5R22

K5R23

K5R24

K5R25

K5R26

K5R29

K3R1

K3R7

K3R9

K3R11

K3R13

K3R15

K3R17

K3R19

K3R21

K3R23

K3R25

K3R27

K3R29

K3R51

R2504

R2505

L2502

C2503

C2502

C2504

D2503

C2506

C2507

R2506

R2507

R2508

R2509

R2510

R2511

R2512

R2513

R2514

R2515

K3R33

K3R35

K3R37

K3R39

K3R43

K3R45

K3R47

K3R49

K3R53

C2509

R2516

R2517

R2531

R2530

C2524

K3G53

K3G49

K3G47

K3G45

K3G43

K3G39

K3G37

K3G35

K3G33

R2529

R2528

R2527

R2526

R2525

R2524

R2523

R2522

R2521

R2520

C2522

C2521

K3G51

K3G29

K3G27

K3G25

K3G23

K3G21

K3G19

K3G17

K3G15

K3G13

K3G11

K3G9

K3G7

K3G1

K5G29

K5G26

K5G25

K5G24

K5G23

K5G22

K5G1

K5G2

K5G31

K5G30

K5G

K3G

K3B

K5B

K5B30

K5B31

K5B2

K5B1

K5B22

K5B23

K5B24

K5B25

K5B26

K5B29

K3B1

K3B7

K3B9

K3B11

K3B13

K3B15

K3B17

K3B19

K3B21

K3B23

K3B25

K3B27

K3B29

K3B51

C2541

R2540

R2541

R2542

R2543

R2544

R2545

R2546

R2547

R2548

R2549

K3B33

K3B35

K3B37

K3B39

K3B43

K3B45

K3B47

K3B49

K3B53

C2544

R2550

R2551

C2542

K5R19

K5R18

K5R17

K5R16

K5G19

K5G18

K5G17

K5G16

K5B16

K5B17

K5B18

K5B19

C2508

C2523

C2543

C2505

C2520

C2540

C2545

C2546

K3R3

K3G3

K3B3

K3A19

Q2701

BEFORE SW

AFTER SW

FAN

PSIG

VSSGR

VSIG1

VSIG2

VSIG3

VSIG4

VSIG5

VSIG6

VSIG7

VSIG8

VSIG9

VSIG10

VSIG11

VSIG12

HVDD

RGT

RHST

RHCLK1

RHCLK2

VSS

VSSGL

BLK

ENB

VCK

VST

DWN

PCG

VVDD

COM

TEST

R-PANEL

TEST

COM

VVDD

PCG

DWN

VST

VCK

ENB

BLK

VSSGL

VSS

HCK1

HCK2

HST

RGT

HVDD

VSIG12

VSIG11

VSIG10

VSIG9

VSIG8

VSIG7

VSIG6

VSIG5

VSIG4

VSIG3

VSIG2

VSIG1

VSSGR

PSIG

VSSGR

VSIG1

VSIG2

VSIG3

VSIG4

VSIG5

VSIG6

VSIG7

VSIG8

VSIG9

VSIG10

VSIG11

VSIG12

HVDD

RGT

HST

HCK2

HCK1

VSS

VSSGL

BLK

ENB

VCK

VST

DWN

PCG

VVDD

COM

TEST

RVSIG12

RVSIG11

RVSIG10

RVSIG9

RVSIG8

RVSIG7

RVSIG6

RVSIG5

RVSIG4

RVSIG3

RVSIG2

RVSIG1

PSIG

RCOM

PCG

GCOM

ZPSIG

GVSIG1

GVSIG2

GVSIG3

GVSIG4

GVSIG5

GVSIG6

GVSIG7

GVSIG8

GVSIG9

GVSIG10

GVSIG11

GVSIG12

DWN

VST

VCK

ENB

GHCLK1

GHCLK2

GHST

ZRGT

RGT

BHST

BHCLK1

BHCLK2

ENB

VCK

VST

DWN

BVSIG12

BVSIG11

BVSIG10

BVSIG9

BVSIG8

BVSIG7

BVSIG6

BVSIG5

BVSIG4

BVSIG3

BVSIG2

BVSIG1

PSIG

BCOM

PCG

5VZ

G-PANEL

B-PANEL

ENB

VCK

VST

DWN

RGT

HST

HCK2

HCK1

MP6AA-07

R-LCD
PANEL

IC2641

PQ20WZ11

IC2651

PQ20WZ11

IC2671

PQ20WZ11

MAIN

BOARD

"K33G"

G-LCD
PANEL

B-LCD

PANEL

MAIN

BOARD

"K33B"

IC2661

PQ20WZ11

IC2691

PQ20WZ11

FAN

FN902

FAN

FN904

MAIN BOARD

"K8A"

IC2681

PQ20WZ11

COMPONENT BOARD

12V

15.5V

MAIN

BOARD

"K33R"

(SCH_MP6PA/PP6PA)

Summary of Contents for LV-7105

Page 1: ...UAL English Edition LV 7105U D78 5132 LV 7105E D78 5133 By Portable Document Format 1 General 0 PREFACE 2 Repair 3 Adjustment 4 Troubleshooting 5 Parts Catalog 6 Electrical Diagrams To Contents DY8 17...

Page 2: ......

Page 3: ...CANON Multimedia Projector LV 7105U D78 5132 LV 7105E D78 5133 SERVICE SMANUAL...

Page 4: ...mpany names described in this CD ROM are the registered trademarks of the individual companies Copyright Canon Inc retains the copyright to all data contained on this CD ROM Reproduction publication i...

Page 5: ...about the tools required and their application Part 3 Adjustment Provides information for disassembly reassembly and adjustment of the product about the tools required and their application Part 4 Tro...

Page 6: ...Cross point 2 CY9 5005 000 Assembly Disassembly II Description Specifications Remarks Digital Multi meter 1mV 500V DC Electrical Adjustment Video Signal Generator Color Bars and Gray Scale Electrical...

Page 7: ...Projection Lens 1 13 4 3 Hybrid gamma correction 1 14 4 4 Fan speed control 1 14 5 CONNECTING 1 16 5 1 Connection to the computer 1 16 5 2 Connecting to the video equipment 1 17 6 SETTING UP THE PROJE...

Page 8: ...17 7 LAMP REPLACEMENT 2 18 Part 3 Adjustment 1 BEFORE ADJUSTMENTS 3 1 1 1 Adjustments after Parts Replacement 3 2 1 2 Service Adjustment Menu Operation 3 3 1 3 Service Conditions 3 4 1 4 Service Adju...

Page 9: ...IONS 4 9 2 1 System Control I O Port Functions 4 9 3 WAVEFORMS 4 11 4 IC BLOCK DIAGRAMS 4 14 Part 5 Parts Catalog Part 6 Electrical Diagrams 1 PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM 6 1 2...

Page 10: ......

Page 11: ...Part 1 General Information...

Page 12: ......

Page 13: ...solution The diversity of presentation machines does not stop there however every manufacturer of liquid crystal projectors offers compact portable inexpensive models equipped with a 0 7 inch liquid c...

Page 14: ...lly detects PC vertical and horizontal scan frequencies 2 Video color system Automatically detects system NTSC PAL SECAM NTSC4 43 PAL M PAL N can be selected from menu bar 3 Tracking Auto Imaging func...

Page 15: ...ted with offsets up to 15 degrees A simple operation gives a square image without adjusting the height of the projector Gamma Correction To avoid washed out whites and murky blacks the user can contro...

Page 16: ...he ceiling or used as a rear screen projector Reduced lamp problems Replace Lamp Indication 1 The replace lamp indicator shows when it is time for a change 2 Lamp replacement by the user is simple The...

Page 17: ...0 8 Contrast ratio 300 1 9 Horizontal resolution 550 TV lines 10 Projection lens 28 8 to 34 5mm 1 1 7 to 1 9 x1 2 11 Lens shifting U D ratio 12 1 12 Elevation adjustment UP by 7 5 13 Size of projectio...

Page 18: ...89mm x 90 5mm x 322 7mm 7 44 x 3 56 x 12 70 Including adjustable feet and lens 26 Net Weight 2 8Kg 6 17 lbs 2 2 Connectors 1 Computer input Signal input HDB 15 pin x 1 Audio input Mini stereo jack x 1...

Page 19: ...1 7 Power Cord Connector Projection Lens Speaker Infrared Remote Receiver Lens Cover Air Intake Vent Zoom ring Focus Ring Foot Lock Latch Exhaust Vent Air Intake Vent Air Intake Vent Lamp Cover Air F...

Page 20: ...ashes green in Power Management mode LAMP INDICATOR This indicator is dim when the projector is turn on And bright when the projector is stand by mode LAMP REPLACE INDICATOR This indicator turns to ye...

Page 21: ...terminal CONTROL PORT Mini DIN 8 pin type When controlling the computer with the Remote Control of this projector connect the mouse port of the computer to this terminal COMPUTER AUDIO INPUT Mini ste...

Page 22: ...ect the mouse port of the personal computer to this terminal This terminal does not adapt the PC98 type mouse port Part 1 General Information 1 10 5 1 2 3 4 10 9 6 7 8 15 14 13 11 12 Red Input Ground...

Page 23: ...in Digital Zoom mode NO SHOW BUTTON Used to turn the picture into black image AUTO IMAGE BUTTON Used to operate Auto Image function POWER BUTTON VOLUME BUTTON COMPUTER BUTTON Use to select Computer in...

Page 24: ...ntrol is approximately 5m 16 4 and 60 in front of the projector Precautions Prevent the direct sunlight or strong light from lighting apparatus from striking the infrared remote receiver on the projec...

Page 25: ...special mercury silver color that is easy to see in dim light and also serves as a design accent point 4 2 Projection lens The newly developed zoom optics system which has XGA compatible F1 7 specs T...

Page 26: ...level 39dB during normal operation There are two temperature sensors sensor 1 measuring ambient room temperature and sensor 2 measuring the temperature in the area of the LCD panels The outputs of the...

Page 27: ...ormation 1 15 Fan Drive Voltage 13V 12V 11V 10V 9V 27 C 41 C 47 C Room Temperature Sensor 1 Sensor 2 35 C 37 C 49 C 51 C 55 C 57 C Unit shutdown Temperature Fan Noise 39dB Fan Noise 43dB Intake Fan Ex...

Page 28: ...pe Speaker Stereo Audio Amplifier Control Cable for Serial Port Optional Serial Port PS 2 Port Audio Output Audio Input CONTROL PORT AUDIO OUT COMPUTER AUDIO IN COMPUTER IN ADB Port Control Cable for...

Page 29: ...Output Component Video Output Video Cassette Recorder Video Disc Player Video Source example Component video output equipment DVD Player HDTV etc S Vdeo Cable Not supplied Audio Cable RCA Mini Stereo...

Page 30: ...nses mirrors and other optical parts resulting in impaired image quality Also do not install the projector in high or low temperature locations 3 Operating temperature range 5 C to 35 C 4 Storage temp...

Page 31: ...blurred images 6 Screen and room brightness Do not install the projector where sunlight or lighting directly strikes on the screen If sunlight or light from lighting strikes on the screen image will a...

Page 32: ...19 SVGA 6 800 x 600 37 90 61 03 SVGA 7 800 x 600 34 50 55 38 SVGA 8 800 x 600 38 00 60 51 SVGA 9 800 x 600 38 60 60 31 SVGA 11 800 x 600 38 00 60 51 ON SCREEN DISPLAY RESOLUTION H Freq kHz V Freq Hz...

Page 33: ...Part 2 Repair Information...

Page 34: ......

Page 35: ...AND PROPERLY SECURED 4 Before replacing the cabinet cover thoroughly inspect the inside of the cabinet to see that no stray parts or tools have been left inside Before returning any projector to the...

Page 36: ...There is the thermal switch SW902 inside of the projector to prevent the internal temperature from rising abnormally When the internal temperature reaches near 100 C turn off the AC main power supply...

Page 37: ...WARNING indicator still continues to flash there may be defects on cooling fans or power supply circuits Please check fan operation and power supply lines referring to the Power Supply Lines Chart 2 4...

Page 38: ...The air filter is small parts Take care that children don t eat or swallow it We recommend to avoid dusty smoky place for operating the projector Using in dusty place may cause the picture of poor qu...

Page 39: ...f forward 4 Pull the Cabinet Top upward while opening the arrow indicated part of it toward outside 3 2 Cabinet Front and Speaker Removal 1 Remove 4 screws 2 top and 2 bottom A and take the cabinet fr...

Page 40: ...9 screws and remove the main board upward 3 4 Fuse Removal 1 Remove a screw and pull the line filter cover upward and then replace the fuse if required Part 2 Repair Information 2 6 Fig 2 6 Fig 2 7 Ma...

Page 41: ...s y off upward 3 6 Line Filter Board Removal 1 Remove a screw A and remove a grounding lead 2 Remove 2 screws B and take the line filter ass y off upward 3 Remove the line filter board from line filte...

Page 42: ...rom the lamp ballast unit and remove 4 screws D and take the lamp ballast board off from the holder 5 Remove the fan FN905 from the holder 3 8 Power Board Removal 1 Remove 2 screws A and take the powe...

Page 43: ...ews D and fan FN901 3 10 Audio Amp Board Removal 1 Remove a screw A bottom side and 2 screws B and then pull the power unit holder upward 2 Remove 2 screws C and take the audio amp board off from the...

Page 44: ...Remove 2 screws C and fan FN904 and remove 2 screws D and fan holder 3 12 AC Inlet Ass y Removal 1 Remove a screw A and a grounding lead 2 Remove 2 screws B and pull the AC inlet ass y upward Part 2...

Page 45: ...semblies 2 Remove 4 screws and remove the Projection Lens 4 2 Optical Unit Top Removal 1 Remove the Cabinet top front main board component boards and power unit cover following to Mechanical Disassemb...

Page 46: ...ator lens 4 4 Relay Lens Ass y Disassembly 1 Remove the cabinet top front main and component boards following to Mechanical Disassemblies 2 Remove 2 screws A and take the relay lens ass y off upward 3...

Page 47: ...hex driver and take the LCD Panel Prism ass y off upward from the optical unit 3 Remove each screw and take the each polarized glass out off upward Part 2 Repair Information 2 13 Hook Polarized Glass...

Page 48: ...c mirror G 4 Prism Ass y PBS 15 Condenser lens 5 Condenser lens OUT 16 Polarized glass OUT R 6 Dichroic mirror R 17 Polarized glass OUT G 7 Mirror R 18 Polarized glass OUT B 8 Condenser lens R 19 Pola...

Page 49: ...e replaced whole of the LCD panels and prism ass y at once After replacing LCD Panel Prism ass y please check the following adjustments Check the Integrator Lens Adjustment and Relay Lens Adjustment f...

Page 50: ...dure 1 Loosen 4 screws A on the LCD Panel Prism ass y with 2 0 mm hex driver 2 Turn the projector on and project the image with WIDE zoom and adjust the FOCUS control to obtain the best focus 3 Turn t...

Page 51: ...er long periods of use dust and other particles will accumulate on the LCD panel prism mirror polarized glass lens etc causing the picture to darken or color to blur If this occurs clean the inside of...

Page 52: ...G MENU will appear 2 Press the POINT DOWN button and a red arrow icon will appear Move the arrow to Lamp age and then press the SELECT button The message Lamp replace monitor Reset is displayed 3 Sele...

Page 53: ...he accumulated illumination time of the lamp reaches 1000 hours This is to indicate that lamp replacement is required You can check the accumulated illumination time of the lamp by following procedure...

Page 54: ......

Page 55: ...Part 3 Adjustment...

Page 56: ......

Page 57: ...nt When IC302 is replaced with new one the CPU writes down the default data of the service adjustments to the replaced IC refer to the service adjustment table As these data are not the same data as f...

Page 58: ...tment Component gain adjustment AV gain adjustment PSIG Adjustment Signal center adjustment PC Gamma off video adjustment PC AV signal adjustment 1 PC AV signal adjustment 2 S H clock adjustment Commo...

Page 59: ...ter or button and change the data value by pressing the pointer or button Refer to the Service Adjustment Data Table for further description of adjustment item no and data value To return to the norma...

Page 60: ...rocedure below Fan Control Setting Procedure 1 Enter to the service mode 2 Select adjustment item no 29 and change data value to 0 to 1 Now the cooling fans operate in maximum 3 Exit from the service...

Page 61: ...ol spec 18 DAC RGB GAIN SUB CONTRAST 20 20 0 63 Sub CONT refer to DAC IC Control and User control spec 19 S H B CK 17 0 255 Display Blue test pattern where Service No2 setting position 20 S H G CK 18...

Page 62: ...ion Horizontal 480i 520 308 Position Vertical 480i 393 309 Expand Ratio Vertical 575i 21 For Component mode and RGB PAL 310 Expand Ratio Horizontal 575i 25 311 Position Horizontal 575i 519 312 Positio...

Page 63: ...follows 1 Connect a digital voltmeter to pins 1 and 3 of K6C 2 Adjust the voltage by using VR01 as following AC Input Reading 230V 380V 2V 120V 372V 2V 2 2 Fan Voltage Adjustment 1 Connect a digital v...

Page 64: ...ssis ground 8 Select item no 277 and change data value to adjust the pedestal level and black level to be same level 2 4 PC Gain Adjustment 1 Receive the 16 step gray scale computer signal 2 Set to CO...

Page 65: ...value to adjust a to be 1 05 0 01Vp p Component G gain adjustment 5 Connect an oscilloscope to test point TP2221G and chassis ground 6 Select item no 273 and change data value to adjust a to be 1 05 0...

Page 66: ...select item no 30 and change data value to adjust a to be 1 05 0 01Vp p 2 7 PSIG Adjustment 1 Receive the 16 step gray scale computer signal 2 Set to COMPUTER mode 3 Connect an oscilloscope to test p...

Page 67: ...e to be 7 30 0 05V by using VR563 2 9 PC AV Gamma Off Adjustment PC gamma off adjustment 1 Receive the 16 step gray scale computer signal 2 Set to COMPUTER mode 3 Connect an oscilloscope to test point...

Page 68: ...be 4 00 0 01Vp p R video adjustment 6 Connect an oscilloscope to test point TP501R and chassis ground 7 Enter to the service mode and select COMPUTER mode 8 Select item no 13 and change data value to...

Page 69: ...ale video signal 6 Set to VIDEO mode 7 Connect an oscilloscope to test point TP503G and chassis ground 8 Enter to the service mode select item no 15 and change data value to adjust b to be 1 85 0 01Vp...

Page 70: ...ance adjustment 1 Receive the 16 step gray scale computer signal 2 Set to COMPUTER mode 3 Enter to the service mode select item no 16 Red or 17 Blue and change data values respectively to make a prope...

Page 71: ...white balance at darker portion of the screen AV black balance adjustment 7 Receive the 16 step gray scale component video signal 8 Set to VIDEO Component mode 9 Select item no 9 Red or 10 Blue and c...

Page 72: ...e B Contrast project blue light only 2 Loosen a screw A Fig 3 11 3 12 on the polarized glass mounting base which you intend to adjust 3 Adjust a slots B as shown in Fig 3 11 to obtain the darkest brig...

Page 73: ...screen as shown in Fig 3 13 loosen 1 screw A with the 2 0mm hex driver and adjust a slot B to make color uniformity in yellow by turning a slot screwdriver 2 If the color shade appears on the top or b...

Page 74: ...Part 3 Adjustment 3 18 Fig 3 13 Fig 3 14 a b a b Moving of slot B Slot B A Yellow y x Moving of Slots D Slot D C Slot D C y x Yellow...

Page 75: ...of relay lens ass y to make color uniformity in white If the color shade appears on the left or right of the screen as shown in Fig 3 15 loosen a screw A with the 2 0mm hex driver and adjust the slot...

Page 76: ...531 IC3301 TP506B TP505B TP1531 TP561 TP571 IC561 TP1571 TP1401 TP6602 TP1451 TP3322 TP511 TP501 TP3321 TP502R TP501R TP6601 TP6603 TPDHS TPDVS TP531 TP541 TP504G TP503G TP5103 TP5112 TP5111 TP5101 TP...

Page 77: ...Part 4 Troubleshooting...

Page 78: ......

Page 79: ...e Temp board or IC2831 on the main board may detect the abnormal temperature inside of the projector If one of these ICs detects the abnormal temperature this projector will be turned off automaticall...

Page 80: ...POWER FAIL signal is correct Pin 13 of K3D L abnormal 10 Check that the 12V is observed at test points TP6601 TP6602 and TP6603 11 Check that the LAMP_SW signal is correct Pin 4 of K8CC H On 12 Check...

Page 81: ...Memo Part 4 Troubleshooting 4 3...

Page 82: ...the LAMP_BST_SW signal at pin 12 of K3D is correct H Power ON Check that the LAMP_POW signal at pin 2 of IC2882 is correct KEY SW LAMP_BST_SW IC1803 FAN_DRIVE Abnormal H Power On H Power On H Power O...

Page 83: ...P F C circuit Check that the thermal switch TSW611 is operating If temperature at peraiphery of P F C circuit reaches 95 C TSW611 turns on TSW611 OPEN Normal Q671 Q681 IC2641 IC2681 Check that the FA...

Page 84: ...correct Pin 4 of IC001 2 Check that audio signal is observed at pin 2 of IC001 3 Check the MUTE signal at pin 3 of IC001 Pin 3 of IC001 Mute On H 4 Check that Vcc voltage 12V is applied at pins 1 and...

Page 85: ...g test points TP211 TP221R TP2211R R signal TP212 TP221G TP2221G G signal TP213 TP221B TP2231B B signal 4 Check that the signals are observed at following test points TPDHS TP3322 V Sync TPDVS TP3321...

Page 86: ...17 TP218 TP221R TP221G TP221B TPDVS TPDHS IC5251 IC5252 IC1451 IC1002 IC1001 IC5282 IC5253 TP2211R TP2221G TP2231B IC2211 IC2221 IC2231 S C S Y VIDEO H SYNC V SYNC R G B AV BOARD COMPO NENT BOARD MAIN...

Page 87: ...igh PortB5 I O Not used Fixed High PortB6 I O M_SCL IIC CLK PortB7 I O M_SDA IIC DATA IC1803 12 O Mute Mute Mute OFF High 13 O LAMP_REP_LED Lamp Replace LED Drive ON High 14 O READY_LED Ready LED Driv...

Page 88: ...put Clock ON High 15 O LIM OFF 16 O Not used 17 O Not used 18 O CTS33 RS232C Relation 19 O 480I_SW 1080i 1035i 720p Low others to High IC1808 2 I KI1 Main Key Switch 3 I KI2 Main Key Switch 4 I KI3 Ma...

Page 89: ...art 4 Troubleshooting 4 11 3 WAVEFORMS TP218 TP208 AV VIDEO TP207 TP7223 AV H SYNC TP221R TP221G TP221B VIDEO TP7224 AV V SYNC TPDHS DHS TPDVS DVS TP2211R D A R OUTPUT TP1401 TP1451 PSIG for R B and G...

Page 90: ...Troubleshooting 4 12 TP2221G D A G OUTPUT TP2231B D A B OUTPUT TP531 S H G INPUT TP501 S H R INPUT TP511 TP1501 S H R OUTPUT TP541 TP1531 S H G OUTPUT TP503G TP504G S H G OUTPUT TP501R TP502R S H R O...

Page 91: ...Part 4 Troubleshooting 4 13 TP561 S H B INTPUT TP571 TP1571 S H B OUTPUT TP505B TP506B S H B OUTPUT...

Page 92: ...Part 4 Troubleshooting 4 14 4 IC BLOCK DIAGRAMS FA5332M Power Factor Control IC01 AN5265 AUDIO OUTPUT IC001...

Page 93: ...Part 4 Troubleshooting 4 15 PW164 10RK System Control Scan Converter IC301 CXA2111R LCD Driver IC401...

Page 94: ...Part 4 Troubleshooting 4 16 M62358FP DAC IC431 CXD3503R White Uniformity Compensation IC471...

Page 95: ...Part 4 Troubleshooting 4 17 CXA2112R Sample Hold IC501 IC531 IC561 IC1501 IC1531 IC1561 STR Z2156 Power Switching Control IC631...

Page 96: ...Part 4 Troubleshooting 4 18 IDT71V016S RAM IC811 CXA2016S Sync Separator IC1021...

Page 97: ...Part 4 Troubleshooting 4 19 MC10H351ML IC1501 LM76CHMX Thermal Sensor IC1831 IC1832...

Page 98: ...200 AV9155C PLL IC1961 REFERENCE CLOCK CPU CLOCK OUTPUT BUFFERS 2XCPU CPU AGND POWER DOWN GND VDD 14 318MHz 14 318MHz SCLK20 22 3 14 318MHz crystal OE 17 18 10 8 9 12 15 16 14 13 11 19 20 3 2 7 1 6 KB...

Page 99: ...Part 4 Troubleshooting 4 21 TC4053BF Switching IC5001 SAA7114H Digital Video Processor IC5101...

Page 100: ...Part 4 Troubleshooting 4 22...

Page 101: ...Part 5 Parts Catalog...

Page 102: ......

Page 103: ...PARTS CATALOG Multimedia Projector LV 7105U REF NO D71 5132 LV 7105E D71 5133 Power Projector LV 7105J D71 5131...

Page 104: ......

Page 105: ...4 42 e 52 52 47 42 42 42 42 46 46 46 46 46 46 47 47 47 25 46 47 47 35 47 46 46 29 49 49 28 47 47 27 42 42 34 24 46 31 26 41 30 41 41 41 51 43 43 43 f 41 32 23 33 g 37 53 Page 1 CANON LV 7105J REF No D...

Page 106: ...Y4 6034 000 C 1 HOLDER AC INLET 27 DY4 6035 000 C 1 HOLDER LINE FILTER BOTTOM 28 DY4 6036 000 C 1 HOLDER LINE FILTER TOP 29 DY4 6037 000 C 1 DUCT L TOP 30 DY4 6038 000 C 1 DUCT L BOTTOM 31 DY4 6039 00...

Page 107: ...70 50 50 50 50 48 48 48 48 48 44 44 44 44 62 45 45 45 45 45 45 45 69 22 75 76 77 80 79 78 21 63 Page 2 CANON LV 7105J REF No D78 5131 LV 7105U D78 5132 LV 7105E D78 5133...

Page 108: ...48 000 F 7 SCREW 48 DY4 6049 000 F 5 SCREW 50 CY2 8232 000 F 4 SCREW 62 DY4 6103 000 C 1 PRISM LCD ASS Y 63 DY4 6052 000 C 1 LENS INTEGRATOR IN 69 DY4 6058 000 C 1 LENS RELAY OUT 70 DY4 6104 000 C 1 L...

Page 109: ...80 77 78 75 71 72 81 76 79 66 82 68 67 73 74 69 73 65 61 64 63 Page 3 CANON LV 7105J REF No D78 5131 LV 7105U D78 5132 LV 7105E D78 5133...

Page 110: ...6 000 C 1 LENS CONDENSER B 68 DY4 6057 000 C 1 LENS RELAY IN 69 DY4 6058 000 C 1 LENS RELAY OUT 71 DY4 6060 000 C 1 LENS CONDENSER R 72 DY4 6061 000 C 1 MIRROR R 73 DY4 6062 000 C 2 MIRROR B 74 DY4 60...

Page 111: ...A001 A200 A2800 A1800 A600 SP901 SW904 FN905 FN901 IL901 L901 L902 L903 F601 POWER P C B A901 SW902 A1000 FN902 FN904 FN903 LP900 Page 4 CANON LV 7105J REF No D78 5131 LV 7105U D78 5132 LV 7105E D78...

Page 112: ...EMP A2800 DY4 6113 000 C 1 PCB ASS Y R C POWER DY4 6116 000 D 1 PCB ASS Y POWER F601 CY2 8376 000 D 1 FUSE 250V 4A FN901 DY4 6075 000 D 1 FAN FN901 FN902 DY4 6076 000 D 1 FAN FN902 FN903 FN903 DY4 607...

Page 113: ...U 1 U 2 V 1 V 2 W 1 X 1 Z Page 5 CANON LV 7105J REF No D78 5131 LV 7105U D78 5132 LV 7105E D78 5133...

Page 114: ...5859 000 B 1 COVER REMO CON BATTERY V 1 CY2 8293 000 D 1 POWER CORD AC120V FOR LV 7105U V 1 CY2 8295 000 D 1 POWER CORD AC240V FOR LV 7105E V 1 CY2 8299 000 D 1 POWER CORD AC100V FOR LV 7105J V 2 CY2...

Page 115: ...5803 000 11 3 65 DY4 6054 000 1 5 U 2 DY4 5859 000 1 3 66 DY4 6055 000 1 5 X 1 DY4 5909 000 1 3 67 DY4 6056 000 1 1 52 a DY4 5988 000 11 3 68 DY4 6057 000 1 1 b DY4 6010 000 1 2 3 69 DY4 6058 000 1 1...

Page 116: ...00 000 1 1 32 DY4 6101 000 1 1 37 DY4 6102 000 1 2 62 DY4 6103 000 1 2 70 DY4 6104 000 1 5 Z DY4 6105 000 1 4 A901 DY4 6106 000 1 4 FN904 DY4 6107 000 1 4 LP900 DY4 6108 000 1 4 A100 DY4 6109 000 1 4...

Page 117: ......

Page 118: ...Part 6 Electrical Diagrams...

Page 119: ......

Page 120: ...oltage Excepting electric capacitors all capacitance values of less than 1 are expressed in F and more than 1 are in pF Capacitor Reading Mark Material E Electrolytic P Electrolytic non polarized C Ce...

Page 121: ...Chip type Example 1 2 D J 10K B Example 6 W K 8 2 Example 1 2 C K 1M Resistor Reading Characteristic Z Carbon fuse B Non burnable Resistance value Tolerance see below table Material see below table Ra...

Page 122: ...1 2 N 2 1 3 IN OUT GND 2 1 4 2 1 3 Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N 2 1 3 1 2 3 2 1 3 RESET GND Vdd 5 3 D G S D G S K Cathode A Anode C Collector B Base E Emitter D Drain G...

Page 123: ...OMITY CORR IC3301 TIMING CONTROLLER IC3391 BUFFER I O EXPAND RC SIGNAL IN MOUSE TXD TXD RXD KEY CONTROL POWER NORMAL VOLUME AUTO IMAGE MENU MODE P UP P DOWN P LEFT P RIGHT ENTER RC PREAMP COMPUTER IN...

Page 124: ...4 7 8 13 12 11 15 5V 5V_SW 5V_SW P FAIL LAMP_BST_SW LAMP_BST_SW 5VD Q2701 IC2641 15 5V1 D2641 D2501 REG SW IC2651 D2651 REG SW 12V2 IC2671 D2671 REG SW IC2661 D2661 REG SW 12V IC2691 D2691 REG SW 12V...

Page 125: ...VCA J20B 00100 J20B 00100 J10EM 020N 4A250V TCSL 275GM 0 22 UVCA F35B 0880N 275GM 0 22 UVCA 275GM 0 22 UVCA 400KK 1000XH J10EM 020N J30B1260N KZ0 1FA 1 10GZ 0 0 KK680 BA 1 10GJ22K KZ0 1FA CJ68 GA 1 10...

Page 126: ...100C KZ0 01 GQFY AH 1 16GJ 2 2KC 1 16GJ 10KC 6 3EM 220WM 6 3EM 220WM AJ 1 16GJ 1KC 1 16GJ 10C 1 16GF 62C 1 16GZ 0C 1 16GZ 0C AH 1 16GJ 2 2KC 6 3EM 220WM 1 16GJ 10KC J10EG030G KZ0 01 GQFY AJ KZ0 01 GQF...

Page 127: ...VHS VSS VDD OUT CLK GCLK VCLK S3 3V1 HS ADCDE1 MHSI MVSI VHS VVS MVSI MHSI ADCDE1 CLK Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 CB0 CB1 CB2 CB3 CB4 CB5 CB6 CB7 HS DCLK TMS PDEN COASTOUT TCK TDO S3 3V2 ADCDE1 COASTOUT...

Page 128: ...C_SW M_SCL M_SDA PORTB1 LAMP_BST SW SCL_IN 5V_SW 3L_EN IO_RESET BOOTWE DGE4 DBE0 DGE3 DBE1 DGE7 DGE5 DBE4 DBE6 DBE2 DGE6 DEN DBE7 DBE5 DBE3 DVS DHS DCLK PTSTEN A19 A18 DGE2 A B C D E F G H J K L M N P...

Page 129: ...Z 0C 1 16GZ 0C 25KZ 0 1GQFY 25KZ 0 1GQFY 6 3VM 100E 16EM10D 1 16 GJ 10KC 1 16GZ 0C 1 16GZ 0C 1 16GZ0C 1 16GZ0C 1 16GZ0C 1 16GZ0C 1 16GJ 1 5KC 1 16 GJ1KC 1 16GJ 1KC 1 16 GJ390C 1 16 GJ1KC 25KZ 0 1GQFY...

Page 130: ...09 R2608 R1975 R3373 R3382 R3383 R3384 R3372 R3386 R3371 R3381 C3381 VR6601 R6655 R6658 R6602 R6605 R6604 Q6601 R6606 Q6602 R6607 C6601 R6603 R6613 R6650 R6600 R6656 C2606 C2626 C2641 R3360 TP6601 TP6...

Page 131: ...25 K3R27 K3R29 K3R51 R2504 R2505 L2502 C2503 C2502 C2504 D2503 C2506 C2507 R2506 R2507 R2508 R2509 R2510 R2511 R2512 R2513 R2514 R2515 K3R33 K3R35 K3R37 K3R39 K3R43 K3R45 K3R47 K3R49 K3R53 C2509 R2516...

Page 132: ...circuit at the same time 2 Do not shorten the circuit between hot and cold sides 3 The grounding lead must be connected to the ground of the same circuit when measuring of volt ages and waveforms CAUT...

Page 133: ...t Board SIDE A AV Board SIDE A R C Board SIDE A K33G K8A Main Board Main Board K8D Main Board K50B K50A G LCD Panel R LCD B LCD Main Board K33R Main Board K33B FN902 FN904 Component Board SIDE B AV Bo...

Page 134: ...K6K FN905 Main Board SIDE B FN903 Lamp Ballast Unit Audio Amp Board K6P FN901 Component Board K3R Component Board K3A K10B K10A AV Board Power Board K6J Component Board K3G Temp Board K8H R C Board K2...

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Canon LV-7105, Service Manual

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