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Canon D78-5152, D78-5153, LV-5110E Power Supply Lines (LV-5110E/LV-5110U)

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A2

AC CORD

C618

ASSY PWB, MAIN

ASSY PWB, AV

ASSY PWB, POWER

ASSY PWB, R/C

ASSY PWB, COMPONENT

Q671

IC01P.F.CONTROL

TSW611

Q6611

Q641

K3CK6J

K3DK6K

K3M

K3N

1-3

6-8

10-11

9

LAMP BALLAST

UNIT

ASSY PWB, LINE FILTER

S-5V

S-5V

D6611

FN904

FN902

PC644PC643PC641

Q663

Q371

D634

IC656

Q611

VR01T651CONVERTERTRANSFORMERIC631SWITCHINGPOWER SUPPLY

F601

FUSE VA601 L601 L602

SW902

THERMAL

SW.

SW904

INTER LOCK

SW.

K6C

K6A

DB611 L611 D612

R612/

R613

D635

D632

8

12

3

5

410

8

7

11

9

6

12 14

7

5

C636 D653

D652

D651

K6F

1

3

PC642IC1804I/O EXPANDER

D660

Q661/

Q662

D634

FEED BACK

OVER VOLT._DET.

OVER VOLT._DET.

LAMP BALLAST SW.

Q681

S6V

12V 12V

S6V

L671

5V

5V

L683

5VD

L685

D665

15.5V1 15.5V1

15.5V

K3A K8A

23-26

11-12

35-38

15-20

7-8

29-32

53-56

2-4

7-8

13

12

11

15.5V

5V_SW

5V_SW

P-FAIL

LAMP_BST_SWLAMP_BST_SW

5VD

Q671 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

IC2681

D2681

REG.&SW

K3AK8A

Q6612

K3K

K3L

D6612

D6613

FN905

FN903

K3J

FN901

K5BB

B-LCD

PANEL

K5GG

G-LCD

PANEL

K5RR

R-LCD

PANEL

12V1

12V3

15.5V15.5V

15.5V1

P-FAIL

P-FAIL

47-50

47-50

47-54

39-42

K50AK10A

K50BK10B 9V

IC2631

5V

15.5V D2631

5V REG.

9V REG.

IC471

6VD

S5V

S-5V

S5V

S-5V D471

5V REG.

S5VD

IC2642

S6V

S5V

3.3V REG.

S3.3V

IC2601

2.5V REG.

S2.5V

IC2612

3.3V REG.

S3.3V

IC2621

5V_DV D451

3.3V REG.

3.3V

IC3302 D3301

9V REG.

5VD

IC2643 D2643

15VL D3501

Q3501

IC451

R1971

5V_SW

1

K8QK28Q

5V

5V

ASSY PWB, AUDIO

1-2

K5AK6P

12V

ASSY PWB, TEMP

1

K8GK8H

S5V

5

S5V

12V

5V

IC301

SYSTEM

CONTROL

FAN DRIVEIC1808I/O EXPANDERIC1851COMP.

19

6

32 148

208

D1831

3

D003 P-FAIL

■Power Supply Lines (LV-5110E/LV-5110U)

Contents

Main SERVICE MANUAL Page Page Page PREFACE 1. Service Manual Composition 2. Model Differences 3. Tools & Test Equipment CONTENTS Part 1: General Information III Part 2: Repair Information Part 3: Adjustment IV Page Page Page Page 1. FEATURES 1.1 Development objectives Fig. 1-1 LV-5110 1-1 1.2 Major Features 1-2 1.3 LV-5110 Features (Details) 1-3 1-4 1-5 2. LV-5110 SPECIFICATIONS 2.1 Main unit 2.2 Connectors 2.3 Accessories 1-6 2.4 Other specifications 3. NOMENCLATURE 3.1 Main unit Fig. 1-2 1-7 3.2 Top controls Fig. 1-3 1-8 3.3 Rear panel terminals Fig. 1-4 COMPUTER IN 1-9 S VIDEO 3.4 Computer Input terminal Fig. 1-6 1-10 3.5 Control port connector Fig. 1-5 3.6 Remote control Fig. 1-7 1-11 3.7 Operating range Fig. 1-8 1-12 4. COMMENTARY 4.1 External appearance design 1-13 4.2 Hybrid gamma correction 4.3 Fan speed control Fig. 1-9 1-14 5. CONNECTING 5.1 Connection to the computer Fig. 1-10 MAC Adapter AUDIO OUT 5.2 Connecting to the video equipment 1-16 Video Source (example) Fig. 1-11 6. SETTING-UP THE PROJECTOR 6.1 Positioning the projector Fig. 1-12 1-17 6.2 Installation precautions Page Page Page Page Page 1. SAFETY INSTRUCTIONS 2-1 2. CIRCUIT PROTECTIONS 2.1 Fuse Fig. 2-2 [How to replace the fuse] 2.2 Thermal Switch 2.3 Warning Temperature and Power Failure Protection Possible causes Fig. 2-3 2.4 Air Filter Care and Cleaning 2-3 2-4 3. MECHANICAL DISASSEMBLIES 3.1 Cabinet Top Removal Fig. 2-5 3.2 Cabinet Front and Speaker Removal 2-5 Page 3.5 AV and Component Board Removal Fig. 2-8 3.6 Line Filter Board Removal 2-7 Fig. 2-9 3.7 Lamp Ballast Unit Fan (FN905) Removal Fig. 2-10 3.8 Power Board Removal Fig. 2-11 2-8 3.9 Optical Unit and Fan (FN901) Removal Fig. 2-12 3.10 Audio Amp. Board Removal 2-9 3.11 Fans (FN902, FN903, FN904) Removal Fig. 2-14 3.12 AC Inlet Assy Removal 2-10 Fig. 2-15 4. OPTICAL PARTS DISASSEMBLIES 4.3 Integrator Lens Assy Disassembly Fig. 2-18 Fig. 2-19 4.4 Relay Lens Assy Disassembly 2-12 4.5 Polarized Glass-in Assy Disassembly 4.6 Polarized Glass-out Assy Disassembly 2-13 Fig. 2-20 Fig. 2-21 Page 5. LCD PANEL/PRISM ASSY REPLACEMENT 5.1 LCD Panel/Prism Assy Removal 2-15 Fig. 2-23 5.2 Note on LCD Panel/Prism Assy Mounting Mounting Procedure Fig. 2-24 2-16 6. CLEANING Cleaning with air spray Disassembly cleaning 2-17 2-18 7. LAMP REPLACEMENT Fig. 2-25 Procedure How to reset the lamp replacement monitor timer Service Parts No.: DY4-6108-000 Description: Lamp Assy LV-LP10 Lamp Age 0123 Hours Page Page Page 1. BEFORE ADJUSTMENTS 3-1 Caution to memory IC replacement Caution of Main Board replacement (in the case IC302 is not defective) 3-2 1.1 Adjustments after Parts Replacement Electrical Adjustments Disassembly / Replaced Parts Optical Adjustments : Adjustment necessary 1.2 Service Adjustment Menu Operation To enter the service mode Fig. 3-1 3-3 To adjust service data 1.3 Service Conditions Fan Control Setting Procedure Service Conditions: 1.4 3-5 Service Adjustment Data Table No. Adjustment Item RangeInitial Value Description 3-6 No. Adjustment Item RangeInitial Value Description 2. ELECTRICAL ADJUSTMENTS [Adjustment condition] 2.1 Output Voltage Adjustment 2.2 Fan Voltage Adjustment 3-7 2.3 PC-Offset Adjustment 2.4 PC Gain Adjustment 2.5 Component Gain Adjustment 2.6 AV Gain Adjustment 2.7 NRS Adjustment 2.8 Signal Center Adjustment 2.9 PC/AV Gamma Off Adjustment 2.10 PC/AV-Video Adjustment-1 2.11 PC/AV-Video Adjustment-2 2.12 S/H Clock Adjustment 2.13 Common Center Adjustment 2.14 White Balance Adjustment 2.15 Black Balance Adjustment [PC black balance adjustment] [AV blackbalance adjustment] 2.16 Note on White Uniformity Adjustment 3-15 3. OPTICAL ADJUSTMENTS Fig. 3-12 Fig. 3-11 3.1 Contrast Adujstment [R/G/B-contrast adujstment] 3.2 Integrator Lens Adujstment [Adjustment]] 3-17 3-18 Fig. 3-13 Fig. 3-14 3.3 Relay Lens Adjustment [Adjustment] 3-19 Fig. 3-15 3-20 4. TEST POINTS AND LOCATIONS Fig. 3-16 K5C IC6901 IC202 Page Page 1. TROUBLESHOOTING 1.1 No Power 4-1 1) Periphery of chassis 2) Power board 3) Main board 4) Component board 4-2 Page 4-4 INDICATOR Fig. 4-1 IC301 SYSTEM CONTROL IC1806 7 control P.F.C. Interlock switch LAMP.DET LAMP SW. Switching power supply 1.2 No Sound 1) Main board MAIN BOARD Fig. 4-2 4-6 1.3 No Picture 1) AV board 2) Main board 4-7 4-8 VIDEO Cr/Pr Cb/Pb MAIN BOARD 2. CONTROL PORT FUNCTIONS 2.1 System Control & I/O Port Functions 4-9 4-10 4-11 3. WAVEFORMS 4-12 4-13 Page Page Page Page Page Page MB40988PFQ<D/A COnverter, IC2200> 4-20 AV9155C <PLL, IC1961> Page Page Page Page Page Page Page Page 1 * Page 2 Page (77) Page 3 Page Page 4 * * Page Page Page 6 PARTS LIST Page 7 Page Page Page 1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM Coil Reading 6-1 Capacitor Reading 6-2 Diode/Transistor Type Reading Example 1/2 D J 10K B Example 6 W K 8.2 Example 1/2 C K 1M Resistor Reading 2. PIN DESCRIPTION OF DIODE, TRANSISTOR AND IC Index 6-3 Index Index K: Cathode A: Anode C: Collector B: Base E: Emitter Circuit Block Diagram (LV-5110E/LV-5110U) A1 IC1809 LAMP REP LED MUTE LAMP REP LED R-LCD Power Supply Lines (LV-5110E/LV-5110U) A2 ASSY PWB, AV 12V ASSY PWB, AUDIO Schematic Diagrams LV-5110U/E A3 SW904 SW902 LP900 VR01 AV BOARD 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A4 TC7W53FU-(TE12L) 5.7V IC6901 EPM3128ATC100-10 IC3801 TWM7000-162020 (SCH_MK6PA/PK6PA) G/Y B/Cb/Pb PLL KEY SWITCHES A6 MEMORY CONVERTER (IC2200) "K33R" "K33G" "K33B" B-SAMPLE G-SAMPLE A8 GND6 6VD FAN 6VD 15.5V COMPONENT BOARD 12V1 AFTER SW FAN MK6AA-07 Printed Wiring Board Diagrams (LV-5110U/E) CAUTION