Canon LV-7105 Service Manual Download

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RB851

R856

R854

R853

C806

C807

C851

R857

R802

C812

C811

R1823

R1826

R1828

R804

R301

R302

C301

C302

TP802

TP801

R823

R824

R826

R827

K8Y

R852

R851

R1801

R1802

Q1801

R1803

R1809

R1808

R1807

D851

VCC

GND

IC1807_16

IC1807_17

IC851_5

IC861_3

IC861_12

IC861_9

IC861_7

IC861_5

C312

C314

R351

R346

R349

R343

TPDVS

TPDHS

TP311

TP312

R311

R314

R316

K8F

R321

TPNMI

R359

R318

VSS

VEE

INM

VDD

R334

R329

R332

TPRESET

K8F1

K8F2

K8F3

K8F4

K8F5

K8F6

D6803

D6802

D6801

SW6801

SW6806

SW6871

SW6809

SW6804

SW6803

SW6808

SW6807

SW6802

TEMP.SENS

INT OUT

+VS

GND

O.S.

SCL

SDA

C1831

C1801

C1802

C861

IC1806_19

R361

R1836

R1839

R1833

R367

R868

R869

R872

R871

RB852

R861

R862

R863

R864

R865

R866

R867

R859

R874

R873

R1842

R1841

C313

C311

K8G1

K8G2

K8G3

K8G4

R1811

C308

R309

C309

R308

R307

C307

C306

RB1801

R1843

R1844

R1846

R1847

RB1802

R1810

R336

R337

R338

R339

R1856

R1857

R820

R825

C315

K8CC

R2876

R2877

R2879

R2880

R2878

R340

R2883

R2884

R2881

C2882

X2881

C2881

R1884

R1862

R1864

Q851

Q1821

Q1822

Q1881

TPPSDA

TPPSCL

R2894

C2892

R2887

R2888

R2891

C2891

R373

R371

Q371

R1858

C1852

C1851

R1854

R1852

R1853

R1851

C1853

D1851

TPDVS2

R809

Q2851

R2853

R2851

R2852

D2851

R2871

D2864

D2861

R2872

D2852

R2855

Q2852

Q2853

R2857

D2853

R2873

D2863

R2874

D2854

R2859

R2862

R2861

C2852

R2875

C2851

D2865

R2893

R350

R1812

R1813

R1814

C351

R2870

R1868

D1831

R1848

R1996

R1994

C1991

L1961

C1961

R1966

R1963

R1965

R1969

R1992

X1961

C1965

C1966

C1963

C1962

R1960

X1951

R1955

C1951

R1952

R1953

R327

R326

R2896

R2897

R356

R353

R354

IC351_4

IC351_6

K8G

K8G5

R317

R335

R1815

IC1807_12

Q2854

TE821

R1849

R1957

R1962

RB304

RB306

RB307

RB303

RB302

RB301

R1995

C1964

C1967

R1816

D2891

R1EA1034G
;R1A41034G

1/16GJ100C

6.3EM
220WM

25KZ0.1
GQFY

1/16GJ100C

1/16GJ
10KC

25KZ0.1
GQFY

16EM
47D

1/16GJ
4.7KC

1/16GJ
68KC

1/16GJ
10KC

16EM
10D

25KZ
0.1
GQFY

J30A
00102

1/16GZ0C

J11B2940G

1/16GJ
10KC

1/16GJ
2.2KC

1/16GZ
0C

1/16GZ0C

1/16GJ
10KC

1SS355

25KZ
0.1
GQFY

1/16GJ
10KC

J30A
00102

1/16GZ
0C

1/16GZ0C

1/16GJ
1KC

1/16GJ
10KC

1/16GJ
47KC

1/16GJ
10KC

1SS355

S10B
3530G

25KZ0.1
GQFY

16EM
10D

25KZ0.1
GQFY

1/16GJ
100C

1/16GZ
0C

1/16GJ
10KC

1/16GJ100C

1/16GJ
100C

1/16GZ0C

1/16GJ
10C

R1EA1034G
;R1A41034G

1/16GZ
0C

1/16GJ100C

1/16GZ0C

1/16GJ
330C

1/16GJ
680C

1/16GJ
10KC

6.3EM
220WM

1/16GZ
0C

KZ0.01
GQFY

1/16GJ
1.3KC

25KZ0.1
GQFY

1/16GJ
560C

1/16GJ
10C

KZ0.01
GQFY

25KZ0.1
GQFY

R1EA1034G
;R1A41034G

1/16GJ
10KC

1/16GZ
0C

R1EA1034G
;R1A41034G

1/16GJ
820C

1/16GJ
10C

1/16GZ
0C

25KZ0.1
GQFY

J10EZ050G

1/16GZ
0C

1/16GZ0C

1/16GZ
0C

1/16GJ
100C

1/16GJ
10KC

1/16GJ
100C

1/16GJ
10KC

CJ33
CGQY

V10B3030G

CJ33
CGQY

1/16GJ
10KC

1/16GZ
0C

2SK536P

J30A

00102

J30A

00102

(AV)

1/16GZ
0C

25KZ0.1
GQFY

1/16GJ
1KC

1/16GJ
10KC

1/16GJ
1KC

25KK
0.047
GQBY

1/16GJ
2.2KC

1/16GJ
10C

1/16GZ
0C

10KZ1U
GQFY

1/16GJ
20KC

1/16GJ
12KC

1/16GJ
100C

1/16GJ
10KC

10KZ1U
GQFY

J30A

00102

1/16GZ
0C

1/16GJ
4.7KC

1/16GJ
390C

UDZ12B

1/16GZ0C

SML-210PTKG

SML-210YTLG

1/16GZ0C

UDZ12B

1/16GJ
1KC

DTC114

EKAP

DTC114

EKAP

1/16GJ
1KC

UDZ12B

1/16GZ0C

SML-210LTMG

1/16GZ0C

UDZ12B

1/16GJ
1KC

1/16GJ
4.7KC

1/16GJ
3.9KC

25KZ0.1
GQFY

1/16
GZ0C

25KZ0.1
GQFY

SML-210LTMG

1/16GJ
10KC

1/16GJ
10C

25KZ0.1
GQFY

1/16GJ
22KC

1/16GJ
4.7KC

1SS355

1/16GZ
0C

25KZ0.1
GQFY

L2A7

3R3MG

25KZ0.1
GQFY

1/16GJ
10KC

1/16GZ
0C

1/16GJ
10KC

1/16GJ10C

V10B4140G

25KZ0.1
GQFY

4EM
470D

1/16GJ
6.8KC

V10B4470G

1/16GJ
100C

KZ0.01
GQFY

1/16GJ
10KC

1/16GZ
0C

J10EG050G

1/16GZ
0C

1/16GJ
10C

1/16GJ
820C

J30A
00102

1/16GZ
0C

R1EA1004G

;R1A41004G

R1EA1004G

;R1A41004G

R1EA1004G

;R1A41004G

R1EA1004G

;R1A41004G

R1EA1004G

;R1A41004G

R1EA1004G

;R1A41004G

1/16GJ
47C

CJ15
CGQY

1SS355

SCLK

DAC_ST5

IRM_ST5

DAC_STLOBE

IRM_STLOBE

FAN_CONT2_5

FAN_CONT1_5

TXD

S5VD

SDATA

SDATA5

SCLK5

FAN_CONT1

FAN_CONT2

M_SCL

M_SDA

S5VD

SCL_IN

IIC_SW

A11

A12

A14

A17

A19

D15

D14

ROMOE

A10

A13

A15

A16

A18

ROMWE

D13

D12

D11

D10

S3.3V1

K01

K02

K03

READY_LED

LAMP_REP_LED

TEMP_LED

POW_LED

MUTE

IO_RESET

D14

D13

D12

D11

D10

Y/G_SW

FAN_CONT2

FAN_CONT1

VHDREN

PC/AV_SW

FANDRIVE_SW

S3.3V1

D15

D14

D13

D12

D10

D11

CS1

K11

K12

K13

POWER_FAIL

LAMP_ERR

K14

S-SW

CB_SW

S3.3V1

RXD

BOOTWE

SCLK

SDATA

DAC_STLOBE

S&H_STLOBE

IRM_STLOBE

CG_FILT

VFIELD_SW

CS0

D15

D14

D13

D12

D11

D10

D15

CS0_A

A14

A15

A13

A17

A10

A16

A12

A11

BHEN

CS1

CS0

ROMOE

ROMWE

RAMOE

RAMWE

D15

D13

D14

D12

D11

D10

INTR

DGE1

DRE7

DGE0

DRE5

DRE6

DRE4

DRE1

DRE3

DRE2

DRE0

GRE7

GRE6

GRE5

GRE3

GRE2

GRE1

GRE4

GRO6

GRO5

GRO7

GRE0

GRO1

GRO2

GRO3

GRO4

GGE7

GRO0

GVS

GGE3

GGE5

GGE6

GCLK

GGE4

GHS

GPENSOG

GGO5

GGE0

GBLKSPL

PDEN

GGO0

GGO4

GGE1

GGE2

GBE7

GGO6

GGO7

GGO3

GGO2

GGO1

-S

5V_SW

3L_EN

DGE3

DGE2

S3.3V1

S2.5V

SCANMODE

DTCLK

DTMB

PTSTEN

S3.3V1

GFBK

ADCDE

GCOAST

PORTA1

PORTA0

(IC301 127PIN)

(IC301 6PIN)

(IC301 81PIN)

(IC301 13PIN)

TXD

RXD

PORTB3

PORTA3

EXTINT

INTR

(IC301 142PIN)

S3.3V1

ODEV

VFIELD

VFIELD_SW

PW_VFIELD

NMI

RESET

ROMWEH

ROMWEL

S3.3V1

VCC

GND

RESET

NMI

ROMWEH

ROMWEL

S3.3V1

PORTB1

S3.3V1

(IC301 147PIN)

K01

K02

K03

K14

K13

K12

K11

S5V

S/CV_SW

480I_SW

S3.3V1

S_CLK

S_DATA

S&H_STL

SCLK

SDATA

S&H_STLOBE

3L_EN

S3.3V1

CR_SW

CTS/V

CTS33

S3.3V1

RESET_M

S5V

S3.3V1

LIM_OFF

LAMP_ERR

S3.3V1

S5V

LAMP_ON

S3.3V1

S5VD

LAMP_SW

LAMP_POW

5VD

S5V

S3.3V1

LAMP_REP_LED

TEMP_LED

POW_LED

READY_LED

S5V

PC_ON

7114ON

S5V

POWER_FAIL

LAMP_BALLAST

S3.3V1

M_SCL1

M_SCL

LAMP_ON

PF_LAMPDOWN

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

191

192

193

194

195

196

197

198

199

200

245

246

247

248

249

250

251

252

253

254

255

256

VSS

SDA

SCL

TEST

VDD

CS0_A

CS0_B

IO_RESET

<TOP_VIEW>

On-Off

Normal

Left

Select

Down

Right

Mode

SW6801

SW6871

SW6809

SW6808

SW6807

SW6806

SW6804

SW6803

SW6802

(IC1808)

(IC1803)

(IC301 135P)

(IC301 78P)

(IC5201)

(IC5101 27P)

(IC6101)

(KEW SW)

)

(IC301 133P)

(IC301)

(IC811 39P)

(IC1801 1802 801 811,K8Y)

(IC301 80P)

(IC301 5P)

(IC301 4P)

(IC301 148P)

(IC301 3P)

(IC1808 8P)

(IC6101 56P)

(IC5101 49P)

(IC301 15P)

(IC1804 14P)

(K50A)

(KEW SW)

(IC5201)

(IC5282 5P)

(IC321 ,IC5201)

(IC5281 16P)

(IC431 1P)

(IC471 57P)

(IC1806 18P)

(IC1806 17P)

(IC851 13P)

(IC851 11P)

(IC851 2P)

(IC1806 16P)

(IC1806 14P)

(IC851 4P)

(IC1806 15P)

(IC3301)

(IC2200)

)

(K3D)(IC451)

)

(IC301 77P)

(IC6101)

(IC6101 108P)

(IC6101)

(IC201 55P)

(IC6101 103P)

(IC7221 4P)

(IC201 28P)
(IC6101 113P)

(IC201 141P)

)

(IC851 861)

(IC301)

(IC301 65P)

(IC1808,IC1809 1P)

(IC1802 1P 6P)

(IC801 28P K8Y 29P)

(IC801 11P K8Y 28P)

(IC811 17P)

(IC811 41P)

)

(IC811 40P)

)

(IC301)

(IC301 136P)

(IC301 66P)

(IC301)

(IC861 6P)

(K5A K50B)

(IC1806 12P)

(IC1806 13P)

(IC1806 12P)

(IC851 6P IC861 4P)

(IC851 8P IC861 2P)

(K8A)

(IC3801 17,18P)

(IC3871 12P)

(IC3871 10P)

(IC3841 4P)

(IC431 2P IC471 58P)

(IC431 3P IC471 59P)

(K8A)

TEMP.SENS IC

ICE

RTS5

(IC851 17P)

(K50B)

(IC1807 18P)

VCC

GND

(IC2882 ,IC2883)

(IC401 12PIN)

VREF

VIN

OUT

VCC

GND

(K8C)

READY

LAMP

REPLACE

WARNING

TEMP.

POWER

LAMP

(YELLOW)

(RED)

(GREEN)

(IC1803 13P)

(IC1803 14P)

(IC1803 15P)

(IC1803 16P)

(IC6101 48P)

IO_RESET

(IC1901 ,IC1902 ,IC1903)

(IC202 ,IC1901 ,IC1902 ,IC1903)

)

ICE

VDD

GND

REF

CLK

MCKEXT

(IC2881 6P)

(IC1808 6P)

SCHMITT

GND

VCC

GND

VCC

MP6PA-04

SCAN

CONVERTER

(IC301)

IC801

MBM29LV800TA90NB787B

IC861

TC74LCX244FT

IC851

MC74HCT244ADT

HD74HCT244TV

SN74HCT244PWR

IC302

24LC16BT/SN-T

IC811

IDT71V016S15PHTR

SRAM

FLASH

ROM

IC1991

TC7SZ125FU

IC1961

AV9155C

PLL

IC1951

ER-ICS502MT

IC1802

TC7W32FU(TE12L)

IC1801

TC7SH04FU-(TE85L)

SN74AHC1G04HDCKR

IC351

TC74LCX14FT

HD74LVC14T

IC1831

LM76CHMX-5

TEMP

SENSOR

IC312

TC7W126FU

-(TE12L)

IC311

PST573IM

IC301

PW164-10RK

SCAN

CONVERTER

SYSTEM CONTROL

IC1807

TC74LCX574FT

IC1851

M51206FP

IC1808

TC74LCX541FT

IC1809

TC74LCX541FT

IC321

TC7W53FU-(TE12L)

IC2881

PIC12C508A

-04/SM

IC2882

SN74AHCT1G14DBVR

LAMP

BALLAST

MAIN BOARD

DIGITAL

VIDEO

DECODER

(IC5101)

DIGITAL

RGB

MATRIX

(IC1601)

SCAN

CONVERTER

IC301

DIGITAL

RGB

MATRIX

DIGITAL

RGB

MATRIX

D/A

CONVERTER

D/A

CONVERTER

IC2200

GHS

GVS

TEMP BOARD

"K8H"

MEMORY

TPDVS

TPDHS

1.4V

3.4V

2.0V

3.4V

1.4V

3.4V

0V
0V
0V

3.3V

0V
0V
0V

3.4V

5.3V

3.4V
3.4V
3.4V
3.4V
3.4V
3.4V
3.4V

0.1V

3.4V

1.7V

3.4V

IC1803

TC74LCX574FT

IC1804

TC74LCX574FT

IC1806

TC74LCX574FT

3.4V

3.3V
3.3V
0.1V

3.4V

3.4V
3.4V

3.4V

3.4V
0V
0V
0V
0V

0V
0V

(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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