Canon LV-5200U Service Manual
Canon LV-5200U Service Manual

Canon LV-5200U Service Manual

Power projector
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SERVICE MANUAL

By Portable Document Format
LV-5200U/D78-5382
LV-5200E/D78-5383
DY8-1785-381 500
PREFACE
0
1
General
2
Repair
Adjustment
3
4
Troubleshooting
Parts Catalog
5
Electrical Diagrams
6

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Summary of Contents for Canon LV-5200U

  • Page 1: Service Manual

    English Edition PREFACE General SERVICE MANUAL Repair By Portable Document Format Adjustment LV-5200U/D78-5382 Troubleshooting LV-5200E/D78-5383 Parts Catalog Electrical Diagrams DY8-1785-381 500...
  • Page 2 CANON Power Projector LV-5200U D78-5382 LV-5200E D78-5383 SERVICE SMANUAL...
  • Page 3 Technical Documents Application This CD-ROM is issued by Canon Inc. for qualified persons to learn technical theory and product repair. This CD-ROM covers all localities where the products are sold. For this reason, there may be information in this CD-ROM that does not apply to the product sold in your locality.
  • Page 4 Internally, they are identical. The accessories bundled with the product may differ from country to country. Main Marketing Area North America Europe MULTIMEDIA PROJECTOR MULTIMEDIA PROJECTOR Model Name LV-5200U LV-5200E LV-5200U LV-5200E...
  • Page 5 3. Tools & Test Equipment The following tools and equipment are required to perform disassembly, reassembly and adjustment. 1) Special Tools None 2) General Purpose Tools (Commercially available, but can be purchased with the following numbers.) Description Tool No. Specification Remarks Ball Driver CY9-5002-000...
  • Page 6: Table Of Contents

    CONTENTS Page Part 1: General Information 1. FEATURES ...................... 1-1 1.1 Development Objectives ................1-1 1.2 Product Overview ..................1-1 1.3 Main Features ..................1-2 2. SPECIFICATIONS ................... 1-3 2.1 Type ......................1-3 2.2 LCD Panel ....................1-3 2.3 Optics ....................... 1-3 2.4 Images .....................
  • Page 7 3.5 Lamp Ballast Unit Removal ..............2-6 3.6 Filter Board Removal ................2-6 3.7 Power Box Cover and Fans (FN901, FN906) Removal ......2-7 3.8 Optical Unit Removal ................2-7 3.9 Power and P.F. Board Removal .............. 2-8 3.10 Fan (FN905) Removal ................2-9 3.11 Fans (FN902, FN903, FN904) Removal ..........
  • Page 8 3.5 Optical Adjustment Setting ..............3-18 4. TEST POINTS AND LOCATIONS ..............3-19 Part 4: Troubleshooting 1. TROUBLESHOOTING ..................4-1 1.1 No Power ....................4-1 1.2 No Picture ....................4-3 1.3 No Sound ....................4-5 1.4 Lens Motor Problems ................4-6 2.
  • Page 9: Part 1: General Information

    Part 1 General Information...
  • Page 10: Features

    To boost overall competitiveness, the need to strengthen the lineup is urgent. Thus, Canon aims to enrich the product lineup and expand its market share by committing to types of products that are price-competitive in this product class.
  • Page 11: Main Features

    Part 1: General Information 1.3 Main Features SVGA features 1700 ANSI lumens and a contrast ratio of 400 : 1 With the advantages of the LV-7350 fully utilized, 0.8-type panels were combined with a highly efficient 180-watt UHP lamp to achieve 1700 ANSI lumens. In addition, the new type of SVGA panel of 800 ×...
  • Page 12: Specifications

    Part 1: General Information 2. SPECIFICATIONS 2.1 Type Projector 1. Type: 2. Product class: Ultra Portable class Transmitting LCD panel 3. Imaging element: 2.2 LCD Panel 1. Type: Polysilicon-TFT active matrix 16 mm × 12 mm (0.8", 4:3 aspect ratio ), 3 panels 2.
  • Page 13: Mechanisms

    Part 1: General Information 2.6 Mechanisms Can be adjusted to raise the main unit a maximum 1. Adjustable feet, bottom front: of 15.6º 4 cm × 3 cm, 1 W, Monaural 2. Built-in speaker: 2.7 Connectors (For further details, see "Connectors" in section 9.) 1.
  • Page 14: Functions

    Part 1: General Information 3. FUNCTIONS 3.1 Optics Electromotive zoom and focus (same projection lens as the LV-7350) The wide, telephoto zoom rate is 1.5×. Electromotive zooming is done within this range, and projection size is variable. In addition, focus is similarly electromotive, making appropriate position alignment possible.
  • Page 15 Part 1: General Information • Cinema (for video input) This function raises domains of low brightness, thus improving their reproducibility. It has the effect of improving the reproducibility of dark scenes, which often occur in movies and the like. • Custom mode Makes it possible to adjust any of the aforementioned with an additional ±8 stages, enabling the user to fine-tune reproducibility according to preference.
  • Page 16: Image Signal

    Part 1: General Information 3.3 Image Signal Computer input • System mode Accommodates XGA, SVGA and VGA signals. Input can be analog or digital (DVI). For real SVGA projection, 0.8-type LCD panels with 800 × 600 pixels are used. Digital compression technology makes high-quality XGA projection possible. •...
  • Page 17 Part 1: General Information Sound muting (remote control function) Use the [MUTE] button on the remote control to turn sound off and on. * The built-in 1-watt output speaker reproduces sound from PCs or videos in monaural. Power management This function can be set so that the lamp automatically turns off if no image signals have been input for a set time (5 min.) and the projector has also not been operated.
  • Page 18: Accessories

    Mouse Control cable Use for PS/2 port. 4.2 Replacement Parts Canon's replacement lamp: LV-LP16 This lamp has a display that lights when the lamp needs to be replaced. We recommend replacing the lamp every 1,500 hours at normal mode. We recommend replacing the lamp every 2,000 hours at silent mode.
  • Page 19: Optional Parts

    This connecting cable is new for the product. Use when connecting to the video apparatus with SCART output terminals. Canon's metal fixture for suspending projector from ceiling: LV-CL05 This hanger part is used for suspending the projector from the ceiling.
  • Page 20: Precautions For Use

    Part 1: General Information 5. PRECAUTIONS FOR USE After the lamp has turned off, do not unplug the projector until its fan has stopped. Insufficient cooling is a cause of trouble. * To avoid the danger of being burned, make sure the lamp has cooled for at least 45 min.
  • Page 21: Outline Drawings

    Part 1: General Information 6. OUTLINE DRAWINGS Dimensions: (Not total length) W: 331.5 mm, D: 244.1 mm, H:89.5 mm Weight: 4.3 kg * Dimensions are the same as for the LV-7350. Fig. 1-2 1-12...
  • Page 22: Connectors

    Part 1: General Information 7. CONNECTORS On the back of the main body are input systems, output systems and control ports. Fig. 1-3 Computer input A: Mini Dsub15 pin (Image) Analog RGB input B: DVI-I29 pin (Image) Digital & analog RGB input C: Mini pin jack (Audio) Stereo input Video input...
  • Page 23: Description

    A compact, wide-angle lens, it features the industry's highest magnification. Pb-free materials have been adopted for the lens. LCD panel For this product, Canon has adopted 0.79-type LCD panels (2.0 cm diagonal) for the first time. 8.2 Image Projection screen size Although the same projection lens is used as for the LV-7350, the LCD panels are smaller.
  • Page 24: Mechanism

    Part 1: General Information 8.3 Mechanism Cooling mechanism and Silent mode In this model, the air flow mechanism is fundamentally the same as that of LV-7350. However, the lamp has been changed into 180 watts from 200 watts, as the result, the amount of heat has been decreased compared with LV-7350.
  • Page 25: Part 2: Repair Information

    Part 2 Repair Information...
  • Page 26: Safety Instructions

    Part 2: Repair Information 1. SAFETY INSTRUCTIONS The following precautions must be observed during servicing and inspection. Observe all safety precautions. Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the cabinet, on the chassis or components, as well as the precautions shown in the instruction manual during servicing.
  • Page 27: Circuit Protections

    Part 2: Repair Information 2. CIRCUIT PROTECTIONS This projector is equipped with the following circuit protections to operate in safety. If the abnormality occurs inside the projector, it will automatically turn off by operating one of the following protection circuits. Line Filter Board 2.1 Fuse Fuse...
  • Page 28: Warning Temperature And Power Failure Protection

    Part 2: Repair Information 2.4 Warning Temperature and Power Failure Protection The TEMP WARNING indicator flashes red and the projector will automatically turn off when the internal temperature of the projector exceeds the normal temperature or when stopping cooling fans or when the internal power supply lines are failed. Check the following possible causes and wait until stopping the TEMP WARNING indicator flashing.
  • Page 29: Service (Mechanical Disassemblies)

    Part 2: Repair Information 3. SERVICE (MECHANICAL DISASSEMBLIES) Mechanical disassemble should be made following procedures in numerical order. Following steps show the basic procedures, therefore unnecessary step may be ignored. The parts and screws should be placed exactly the same position as CAUTION the original otherwise it may cause loss of performance and product safety.
  • Page 30: Av, Dvi, Temp Board And Speaker Removal

    Part 2: Repair Information 3.3 AV, DVI, Temp Board and Speaker Removal 1. Remove 1 screw A (M4 × 8) to release grounding wires. 2. Pull the Rear Panel ass'y upward. 3. Remove 4 screws B (T3 × 6) and remove the AV Board. 4.
  • Page 31: Lamp Ballast Unit Removal

    Part 2: Repair Information 3.5 Lamp Ballast Unit Removal 1. Remove 1 screw A (M3 × 4) and remove SW902, and then remove 1 screw B (M3 × 6) and disconnect the Lamp Socket. 2. Remove 2 screws C (M3 × 6) to take the Lamp Ballast ass’y upward off. 3.
  • Page 32: Power Box Cover And Fans (Fn901, Fn906) Removal

    Part 2: Repair Information 3.7 Power Box Cover and Fans (FN901, FN906) Removal 1. Remove 4 screws A (M3 × 12) to take the Fan (FN906) off. 2. Remove 4 screws B (M3 × 8) to take the Fan (FN901) off. 3.
  • Page 33: Power And P.f. Board Removal

    Part 2: Repair Information Step from previous procedure. 3. Remove 6 screws C (M3 × 8) to take the Optical Unit upward upward off. To mount optical unit, mount optical unit first then mount the Lamp assembly and Lamp Cover. Optical unit Fig.
  • Page 34: Fan (Fn905) Removal

    Part 2: Repair Information 3.10 Fan (FN905) Removal 1. Remove 1 screw A (M3 × 6) and take a Washer, Spring and Interlock Interlock switch lever Switch lever. 2. Pull the Fan and duct ass’y upward, then remove the 2 screws B (M3 × 6) to take the Fan (FN905) off.
  • Page 35: Optical Parts Disassemblies

    Part 2: Repair Information 4. OPTICAL PARTS DISASSEMBLIES Before taking this procedure, remove Cabinet Top and Main Board following to the "Mechanical Disassemblies". Disassembly requires a 2.0mm hex wrench. 4.1 Projection Lens Removal 1. Remove the Front Panel following to "Front Panel Removal" on "Mechanical Disassemblies".
  • Page 36: Condenser Lens Disassembly

    Part 2: Repair Information 4.3 Condenser Lens Disassembly 1. Remove 2 screws A (M2.5 × 6) and pull the Condenser Lens ass’y upward. 2. Remove 4 screws B (M2 × 4) to take the Lens off from the holder. Condenser Lens Holder * Lens should be placed as the flat surface side comes to the holder side.
  • Page 37: Relay Lens-Out Disassembly

    Part 2: Repair Information 4.5 Relay Lens-Out Disassembly 1. Remove 2 screws A (M2.5 × 6) and pull the Relay Lens-Out ass’y upward. 2. Remove 2 screws B (M2 × 4) to take the Lens off from the holder. Note: There is no mounting direction of the lens. Holder Relay Lens-Out Fig.
  • Page 38: Polarized Glass-Out/Pre-Polarized Glass Removal

    Part 2: Repair Information 4.7 Polarized Glass-Out/Pre-Polarized Glass Removal 1. Remove 4 screws A (M2.5 × 4) and take the LCD/Prism ass’y off upward from the optical unit. 2. Remove each screw B and take the glass off upward. Note: Model LV-7355 has a pre-polarized glass for the green and blue panel are mounted in front of the polarized glasses as Fig.2-23.
  • Page 39: Locations And Directions

    Part 2: Repair Information 4.9 Locations and Directions When the optical parts in the optical unit mounting or assembling, the parts must be mounted in the specified location and direction as shown in figure below. Key No. Description Mirror (W) Integrator lens (OUT) Prism beam splitter (PBS) Dichroic mirror (B)
  • Page 40: Lcd Panel/Prism Ass'y Replacement

    Part 2: Repair Information 5. LCD PANEL/PRISM ASS'Y REPLACEMENT IMPORTANT NOTICE on LCD Panel/Prism Ass'y Replacement LCD panels used for this model can not be replaced separately. Do not disassemble the LCD Panel/Prism Ass'y. These LCD panels are installed with precision at the factory. When replacing the LCD panel, should be replaced whole of the LCD panels and prism ass'y at once.
  • Page 41: Note On Lcd Panel/Prism Ass'y Mounting

    Part 2: Repair Information 5.2 Note on LCD Panel/Prism Ass'y Mounting After replacing or installing the LCD Panel/Prism ass'y, please make sure to Top View obtain the best focus in both TELE and WIDE zoom. If the focus adjustment is required, please adjust the positioning of LCD Panel/Prism Ass'y by following below procedure.
  • Page 42: Cleaning

    Part 2: Repair Information 6. CLEANING After 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 WARNING optical unit.
  • Page 43: Lamp Replacement

    Part 2: Repair Information 7. LAMP REPLACEMENT • For continued safety, replace with a lamp assembly of the same type. Service Parts No.: LV-LP16 (DY5-0253-000) • Allow the projector to cool for at least 45 minutes before you open WARNING the lamp cover.
  • Page 44 Part 2: Repair Information How to check lamp used time The LAMP REPLACEMENT indicator will illuminate when the total lamp used time Lamp Age reaches 2000 hours. 0100 The total lamp used time is calculated by Normal HOURS using the below expression, 0025 Eco: HOURS...
  • Page 45: Part 3: Adjustment

    Part 3 Adjustment...
  • Page 46: Precautions For Adjustment

    Part 3: Adjustment 1. PRECAUTIONS FOR ADJUSTMENT Memory IC Replacement IC351 on the main board stores the data for the service adjustments, and should not be replaced except for the case of defective device. If replaced, the re-adjustments are required following to the "Electrical Adjustments".
  • Page 47: Service Adjustment Menu Operation

    Part 3: Adjustment 1.2 Service Adjustment Menu Operation To enter the service mode To enter the "Service Mode", press and hold the MENU and IMAGE button on the projector at the same time for more than 3 seconds. The service menu appears on the screen as follows.
  • Page 48: Service Adjustment Data Table

    Part 3: Adjustment 1.3 Service Adjustment Data Table These initial values are the reference data written from the CPU ROM to memory IC when replaced new memory IC. The adjustment items indicated with " " are required to readjust following to the "Electrical adjustments". Other items should be used with the initial data value.
  • Page 49 Part 3: Adjustment Initial Item Name Device YCbCr Video Detail NTSC V-Line Color Shading Correction Setting (G_OFFSET 11) CXD3526GG G-Vertical Line Color Shading Correction V-Line Color Shading Correction Setting (G_OFFSET 12) CXD3526GG V-Line Color Shading Correction Setting (B_OFFSET 1) CXD3526GG B-Vertical Line Color Shading Correction V-Line Color Shading Correction Setting (B_OFFSET 2) CXD3526GG...
  • Page 50 Part 3: Adjustment Initial Item Name Device YCbCr Video Detail NTSC VPC3230 SGAIN VPC3230 SHIPMENT Shipment setting Restore the user control data to the initial value when this value changes 0 to 1. VPC3230 for SCART Brightness of the RGB/YUV VPC3230 Contrast of the RGB/YUV VPC3230...
  • Page 51 Part 3: Adjustment Initial Item Name Device YCbCr Video Detail NTSC Expand Ratio (Vertical) 50Hz PIXEL RGB PAL Expand Ratio (Horizontal) 50Hz PIXEL Position (Horizontal) 50Hz PIXEL Position (Vertical) 50Hz PIXEL Expand Ratio (Vertical) 50Hz PIXEL 1080i_50Hz Expand Ratio (Horizontal) 50Hz PIXEL Position (Horizontal) 50Hz PIXEL...
  • Page 52: Electrical Adjustments

    Part 3: Adjustment 2. ELECTRICAL ADJUSTMENTS The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following adjustments except requiring the CAUTION readjustments in servicing otherwise it may cause loss of performance and product safety.
  • Page 53: Fan Voltage Adjustment

    Part 3: Adjustment 2.2 Fan Voltage Adjustment 1. Set the lamp mode to "Silent" with the menu function. 2. Enter the service mode and select item no. "74". Set data value to "1". 3. Connect a digital voltmeter to test point "TP12V1" (+) and chassis ground (-). Select item no.
  • Page 54: Gain Adjustment [Pc]

    Part 3: Adjustment 2.5 Gain Adjustment [PC] 1. Receive the 16-step gray scale computer signal with Computer [Analog RGB] mode. 2. Enter the service mode. 3. Connect an oscilloscope to test point "TP505R" (+) and chassis ground (-). 4. Select item no. "4" and adjust the amplitude "a" to be minimum by changing the Data value.
  • Page 55: Gain Adjustment [Component]

    Part 3: Adjustment 2.7 Gain Adjustment [Component] 1. Receive the 16-step gray scale component video signal [480i] with Video [Y, Cr, Cb] mode. 2. Enter the service mode. 3. Connect an oscilloscope to test point "TP505R" (+) and chassis ground (-). 4.
  • Page 56: Gamma Gain Adjustment [Av]

    Part 3: Adjustment 2.9 Gamma Gain Adjustment [AV] 1. Receive the 16-step gray scale composite video signal with Video [Video] mode. 2. Enter the service mode. 3. Connect an oscilloscope to test point "TP505R" (+) and chassis ground (-). 4. Select item no. "13" and adjust the amplitude "a" to be 4.0 ±0.1V by changing the Data value.
  • Page 57: Signal Offset Adjustment [Pc]

    Part 3: Adjustment 2.11 Signal Offset Adjustment [PC] 1. Receive the 16-step gray scale computer signal with Computer [Analog RGB] mode. 2. Enter the service mode. 3. Connect an oscilloscope to test point "TP503G" (+) and chassis ground (-). 4. Select item no. "10" and adjust the amplitude "a" to be 2.4 ±0.1V by changing the Data value.
  • Page 58: Note On White Uniformity Adjustment

    Part 3: Adjustment 2.14 Note On White Uniformity Adjustment If you find the color shading on the screen, please adjust the white uniformity by using the proper computer and "Color Shading Correction" software supplied separately. 3-13...
  • Page 59: Optical Adjustments

    Part 3: Adjustment 3. OPTICAL ADJUSTMENTS Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the "Mechanical Disassemblies" Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust Condenser lens, Condenser lens-out or Relay lens adjustment, you need to disconnect some connectors and FPC cables of LCD panels on the main board.
  • Page 60: Condenser Lens Adjustment

    Part 3: Adjustment 3.2 Condenser Lens Adjustment 1. Turn the projector on by a state of without FPC cables. 2 Project only green light on the screen. 3 Adjust the adjustment base of condenser lens assy to make color uniformity in green. Green 1) If the shading appears on the left or right of the screen as shown in Fig.
  • Page 61: Condenser Lens-Out Adjustment

    Part 3: Adjustment 3.3 Condenser Lens-Out Adjustment 1. Turn the projector on by a state of without FPC cables. 2. Project green and blue lights on the screen. 3. Adjust the adjustment base of condenser lens-out assy to make color uniformity in Cyan cyan.
  • Page 62: Relay Lens-Out Adjustment

    Part 3: Adjustment 3.4 Relay Lens-Out Adjustment 1. Turn the projector on by a state of without FPC cables. 2. Project all of lights on the screen. 3. Adjust the adjustment base of relay lens assy to make color uniformity in white. White 1) If the shading appears on the left or right of the screen as shown in Fig.
  • Page 63: Optical Adjustment Setting

    Part 3: Adjustment Fig. 3-19 3.5 Optical Adjustment Setting 1. Remove the 8 screws on the main board. 2. Connect the connectors as shown above using three extension cables. 3. Turn the projector on and perform optical adjustment. These cables are used to run the fan. If they are not connected, the CAUTION protection circuit is activated to prevent the projector from starting.
  • Page 64: Test Points And Locations

    Part 3: Adjustment 4. TEST POINTS AND LOCATIONS Main board TP6241 TP6221 TP6201 TP3501 TP3531 Fig. 3-20 3-19...
  • Page 65: Troubleshooting

    Part 4 Troubleshooting...
  • Page 66: No Power

    Part 4: Troubleshooting 1. TROUBLESHOOTING 1.1 No Power This projector provides a function which can be specified a defective area simply by indicating the LEDs on the control panel. Connect the AC cord and press the Power button once and then check the LED indication. When all the LED indicators are not lighting, the symptom indicates that the primary power supply circuit does not operate properly.
  • Page 67 Part 4: Troubleshooting • An abnormality occurs on the drive signals; 5V_SW signal (Power-on: H) is output from pin 146 of IC301 to Q661, IC65A through Q301 on the Main board and Q662, Q65B and Q65C on the Power board. FANDRIVE signal (Power-on: H) is output from pin 14 of IC1804 to IC671 and IC681 through Q672 and Q682 on the Power board.
  • Page 68: No Picture

    Part 4: Troubleshooting 1.2 No Picture Check following steps. No picture with all of Check signal processing stage and LCD driving stage; input sources Check RGB S&H signals at test points TP501B, TP502B, TP503G, TP504G, TP505R, TP506R. Check PSIG signals at test points TP3501 and TP3531. Check power supply circuit 15.5V SWD and peripheral circuit.
  • Page 69 Part 4: Troubleshooting From previous page No picture with all of Check PC/AV source selecting stage and processing stage; computer input sources Check IC5201, PC/AV RGB SW, and IC8201, A/D conversion and peripheral circuit. Check IC5321, IC5331, PC/AV Sync selection IC, and peripheral circuit.
  • Page 70: No Sound

    Part 4: Troubleshooting 1.3 No Sound Check following steps. Is the audio signal Check PC/AV-audio switching circuit. observed on the Check IC001, audio-sw IC, and peripheral circuit. AUDIO-OUT terminal? PC/AV_SW5 (PC:L) signal is applied on pin 10 of IC001 through Q041. MUTE5 signal (Mute:H) is applied on pin 9 of IC001 output from pin 12 of IC1803 through IC1351, buffer IC.
  • Page 71: Lens Motor Problems

    Part 4: Troubleshooting 1.4 Lens Motor Problems Check following steps. Both of ZOOM and Check the power supply (7VMCI) circuit, IC5501 and IC5551 and FOCUS motors are peripheral circuit. Check Key SW board. not functioning. Check the ZOOM motor control circuit. Only ZOOM motor is Zoom motor is controlled by signal ZOOM +, - output from not functioning.
  • Page 72: Chassis Block Diagrams

    Part 4: Troubleshooting 2. CHASSIS BLOCK DIAGRAMS 2.1 Chassis Over View B-PANEL G-PANEL R-PANEL D0-7 A0-A17 TXD,RXD IC6301 SYNC-SW IC5351 INVERTER IC5341 G-SYNC IC5331 DVI-SW IC5321 PC/AV-SW IC5311 PC1/PC2-SW IC5001 AUDIO-AMP. IC001 AUDIO-SW DVI-I D-SUB AUDIO Fig. 4-2...
  • Page 73: Inputs & Video Signal Processing Stage

    Part 4: Troubleshooting 2.2 Inputs & Video Signal Processing Stage IC8051 IC8061 IC8071 BUFFER BUFFER BUFFER IC6301 SYNC-SW <TC74LCX244> IC8001 IC8201 DVI-I/F IC3101 <> <THC63DV161> VIDEO DECIDER <VPC3230> IC5351 INVERTER IC5341 SYNC.SEP <BA7078> IC5331 IC5201 DVI-SW <TC4052> PC/AV RGB-SW <AN5870> IC5321 PC/AV-SW <BD7600>...
  • Page 74: Lcd Panel Driving Stage

    Part 4: Troubleshooting 2.3 LCD Panel Driving Stage IC3561 IC441 IC431 IC421 IC411 IC401 BUFFER BUFFER BUFFER BUFFER LCD DRIVER <CXD3526> Fig. 4-4...
  • Page 75: Audio Signal Processing Circuit

    Part 4: Troubleshooting 2.4 Audio Signal Processing Circuit AV BOARD PC/AV_SW5 MUTE5 AUDIO-IN Q021 SP901 AUDIO-IN Q051 Q031 Q041 Q013 AUDIO Q014 Q011 MUTE5 Q012 K10T 21-22 19-20 17-18 D0-D7 MUTE: H D0-D7 PC: H AV: L PSCL MAIN BOARD VOL_CTL PSDA Fig.
  • Page 76: Motor Driving Circuit

    Part 4: Troubleshooting 2.5 Motor Driving Circuit FOCUS IC5551 PSCL FOCUS DRIVE FOCUS+,- <BA6287> PSDA ZOOM IC5501 11,12 D0-D7 ZOOM DRIVE <BA6287> ZOOM+,- MAIN BOARD POWER BOARD Logic Table of Drive ICs (IC5501,IC5551) Input Output Operation Forward drive Reverse drive Braking Mode Open Open Standby Mode Fig.
  • Page 77: System Controls

    Part 4: Troubleshooting 2.6 System Controls IC7801 <M62392> IC1351 BUFFER IC1803 IC1804 IC1806 IC1813 IC1822 IC1823 <TC74LCX574> <TC74LCX574> <TC74LCX574> <TC74LCX574> <TC74LCX541> <TC74LCX541> IC301 SYSTEM CONTROL <PW164B-10> Fig. 4-7 4-12...
  • Page 78: Power Supply & Protection Circuit

    Part 4: Troubleshooting 2.7 Power Supply & Protection Circuit FAN CONTROL CIRCUIT Q65B Q65C Q662 15.5V AUDIO AUDIO AUDIO AUDIO 9VMCI 9VMCI 5V_SW POWER_FAIL FANDRIVE IC631 POWER OSC. <STR-Z5156> IC611 P.F.CONTROL <FA5502> IC1804 IC1813 IC1822 SW-OUT SW-OUT SW-IN IC301 SYSTEM CONTROL <PW161B-10>...
  • Page 79: Fan Control Circuit

    Part 4: Troubleshooting 2.8 Fan Control Circuit FN901 D69D Q671 FN902 15.5V D69C Q67Q FN903 D67D Q67A D67Q IC671 D69B FN906 FN905 FN904 Q69A Q672 POWER_FAIL Q681 Q68Q D69A D68D Q68A D68Q IC681 Q682 Q66A POWER BOARD 13-14 19-20 21-22 11-12 IC1804 FANDRIVE I/O-SW...
  • Page 80: Control Port Functions

    Part 4: Troubleshooting 3. CONTROL PORT FUNCTIONS 3.1 System Control & I/O Port Table IC Ref No. Pin/Name Signal Name Function Note IC301 PortA0 ROMWEL For ICE PortA1 ROMWEH For ICE PortA2 BOOTWE For ICE PortA3 DDC_CK NVRAM I2C CLK for DDC PortA4 5V_SW Power ON/OFF...
  • Page 81 Part 4: Troubleshooting IC Ref No. Pin/Name Signal Name Function Note IC1813 LAMP_BST_SW Boost ON/OFF ON: High PC1/PC2_SW PC1(RGB)/PC2(RGB) Selection PC1(RGB): Low MNTOUT_SW Monitor Out Selection Monitor Out: Low CXD_WP NVRAM Write Protect for CXD3526 Protect: High EDIDEN DDC Projector/PC Selection Projector: Low IC1814 S/PRESET...
  • Page 82: Waveforms

    Part 4: Troubleshooting 4. WAVEFORMS VIDEO-IN <TPV3143> HS signal <TPHS> VS signal <TPVS> DHS signal <TPDHS> DVS signal <TPDVS> S&H-B <TP501B/TP502B> S&H-G <TP503G/TP504G> S&H-R <TP505R/TP506R> PSIG <TP3501> PSIG <TP3551> 4-17...
  • Page 83: Ic Block Diagrams

    Part 4: Troubleshooting 5. IC BLOCK DIAGRAMS AD8075 <Selector, IC201> AD8183ARU <Selector, IC1201> AN7513 <Audio-Amp, IC5001> 4-18...
  • Page 84 Part 4: Troubleshooting AD9884AKS <A/D, IC8201> AN5870SB <RGB-SW, IC5201> 4-19...
  • Page 85 Part 4: Troubleshooting AV9155C <Clock Driver, IC1301> 2XCPU SCLK20-22 OUTPUT BUFFERS CLOCK 14.318MHz crystal REFERENCE CLOCK 14.318MHz KBCLK 14.318MHz OUTPUT PERIPHERAL BUSCLK BUFFERS CLOCK FDCLK COMMCLK POWER-DOWN AGND BA6287 <Motor Drive, IC5501, IC5551, IC5561> 4-20...
  • Page 86 Part 4: Troubleshooting BA7078 <Sync Separator, IC5341> CXA7000R <D/A, S/H-LCD Driver, IC501, IC1501, IC530, IC1531, IC561, IC1561> 4-21...
  • Page 87 Part 4: Troubleshooting CXD3526GG <LCD Driver, Timing Generator, IC401> FA5502 <P.F. Control, IC611> 4-22...
  • Page 88 Part 4: Troubleshooting LA7217 <Sync Separator, IC5361> M62392 <D/A, IC3561> 4-23...
  • Page 89 Part 4: Troubleshooting M62393 <D/A, IC281, IC7801> NJM2284M <Switch, IC2101> 4-24...
  • Page 90 Part 4: Troubleshooting PW164B-10 <System Control & Scan Converter, IC301> STR-Z2156 <Power Switching Control, IC631> 4-25...
  • Page 91 Part 4: Troubleshooting VPC3230D <Video Decoder, IC3101> 4-26...
  • Page 92: Part 5 Parts Catalog

    Part 5 Parts Catalog...
  • Page 93 Multimedia Projector LV-5200U REF.NO.D78-5382 LV-5200E D78-5383 PARTS CATALOG CONTENTS Page1: Mechanical parts Page2: Optical parts Page3: Optical parts Page4: Optical parts Page5: Electorical parts Page6: Mechanical & Electorical parts Page7: Attached parts...
  • Page 95 Page 1 LV-5200U REF. No. D78-5382 CANON D78-5383 LV-5200E...
  • Page 96 Page 1 PARTS LIST REF NO. D78-5382 D78-5383 SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS BUTTON ASS'Y, CURSOR DY5-0095-000 DY5-0240-000 PANEL, BUTTON DY5-0241-000 COVER, TOP LV-5200 DY5-0098-000 PANEL, TOP COVER DY5-0100-000 COVER, BOTTOM DY4-6171-000 LEG ASS'Y DY5-0099-000 COVER, FRONT DY4-6149-000 COVER, BACK DY5-0101-000 CAP, LENS DY4-6151-000...
  • Page 97 Page 2 LV-5200U REF. No. D78-5382 CANON D78-5383 LV-5200E...
  • Page 98 Page 2 PARTS LIST REF NO. D78-5382 D78-5383 SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS PRISM ASS'Y DY5-0265-000 DY5-0264-000 LENS, INTEGRATOR OUT LENS, CONDENSER OUT DY4-6188-000 DY4-6191-000 LENS, RELAY IN DY4-6216-000 LENS, CONDENSER, B DY4-6198-000 MIRROR, W DY4-6199-000 MIRROR, B MIRROR, R DY4-6200-000 DY5-0265-000 FILTER, UV...
  • Page 99 Page 3 LV-5200U REF. No. D78-5382 CANON D78-5383 LV-5200E 67 (Red) 68 (Green) 69 (Blue) 53-a (Red) 53-b (Green) 53-c (Blue) 53-d (G/B)
  • Page 100 Page 3 PARTS LIST REF NO. D78-5382 D78-5383 SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS CY2-8336-000 SCREW DY4-6130-000 SCREW DY4-6187-000 LENS, CONDENSER IN DY4-6188-000 LENS, CONDENSER OUT DY5-0263-000 LENS, INTEGRATOR IN DY5-0268-000 GLASS, PL IN, R DY5-0266-000 GLASS, PL IN, G GLASS, PL IN, B DY5-0267-000 DY5-0270-000...
  • Page 101 Page 4 LV-5200U REF. No. D78-5382 CANON D78-5383 LV-5200E 52-a...
  • Page 102 Page 4 PARTS LIST REF NO. D78-5382 D78-5383 SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS DY5-0111-000 SCREW DY5-0137-000 LENS ASS'Y 52-a DY5-0138-000 MOTOR ASS'Y, LENS UNIT...
  • Page 103 Page 5 LV-5200U REF. No. D78-5382 CANON D78-5383 LV-5200E FN906 A101 A101 FN901 A611 A631 FN905 SW902 FN903/FN904 A4801 A901 A901A A2801 FN902 SW904 A1000 A7000 A601 FUSE LP900 SP901...
  • Page 104 Page 5 PARTS LIST REF NO. D78-5382 D78-5383 SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS A901 DY5-0248-000 LAMP BALLAST ASS'Y A901A DY5-0247-000 CABLE, LAMP BALLAST FN901 FAN, FN901 DY4-6205-000 FN902 FAN, FN902 DY5-0249-000 FN903/904 DY5-0250-000 FAN, FN903/FN904 FN905 FAN, FN905 DY5-0251-000 FN906 DY4-6203-000 FAN, FN906...
  • Page 105 Page6 CANON LV-5200U REF NO. D78-5382 LV-5200E D78-5383 A6800 FUSE LF901 L901 / 902 L903 LABEL2...
  • Page 106 Page 6 PARTS LIST REF NO. D78-5382 D78-5383 SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS LF901 FILTER, NOISE DY5-0252-000 L901/902 DY4-6081-000 FERRITE CORE L903 CY2-8378-000 FERRITE CORE DY5-0109-000 COVER ASS'Y, MAIN DY5-0110-000 HOLDER ASS'Y, MAIN DY4-5800-000 SCREW DY5-0107-000 COVER, POWER FILTER CABLE2 MAIN(K8E) - TEMP(K48E) 6pin DY4-6333-000...
  • Page 107 Page 7 LV-5200U REF. No. D78-5382 CANON D78-5383 LV-5200E Z-1 Z-2 Y...
  • Page 108 Page 7 PARTS LIST REF NO. D78-5382 D78-5383 SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS DY5-0246-000 REMOTE CONTROLLER DY4-5859-000 COVER, REMO-CON BATTERY ADAPTER, DVI/VGA DY5-0115-000 DY5-0030-000 STRAP, LENS CAP DY5-0117-000 BAG, CARRYING DY5-0118-000 POWER CORD, AC120V DY5-0120-000 POWER CORD, AC240V CY2-8298-000 INTERFACE CABLE, VGA DY4-5909-000 CABLE, MOUSE CONTROL PS/2...
  • Page 109 Page 8 PARTS LIST REF NO. D78-5382 D78-5383 PAGE SYMBOL PARTS NO. PAGE SYMBOL PARTS NO. DY5-0095-000 DY4-6198-000 DY5-0240-000 DY4-6199-000 DY5-0241-000 DY4-6200-000 DY5-0098-000 DY5-0265-000 DY5-0100-000 DY4-6201-000 DY4-6171-000 DY5-0269-000 DY5-0099-000 DY4-6189-000 DY4-6149-000 DY4-6190-000 DY5-0101-000 DY4-6151-000 DY5-0102-000 CY2-8336-000 DY4-6130-000 DY5-0242-000 DY5-0104-000 DY4-6187-000 DY4-6172-000 DY4-6188-000 DY4-6153-000...
  • Page 110 PARTS LIST Page 9 REF NO. D78-5382 D78-5383 PAGE PAGE SYMBOL PARTS NO. NEW SYMBOL PARTS NO. A901 DY5-0248-000 DY5-0246-000 A901A DY5-0247-000 DY4-5859-000 FN901 DY4-6205-000 DY5-0115-000 FN902 DY5-0249-000 DY5-0030-000 FN903/904 DY5-0250-000 DY5-0117-000 FN905 DY5-0251-000 DY5-0118-000 FN906 DY4-6203-000 DY5-0120-000 LP900 DY5-0253-000 CY2-8298-000 SP901 CY2-8274-000...
  • Page 111: Part 6: Electrical Diagrams

    Part 6 Electrical Diagrams...
  • Page 112: Parts Description And Reading In Schematic Diagram

    Part 6: Electrical Diagrams 1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM 1. The parts specification of resistors, capacitors and coils are expressed in designated code. Please check the parts description by the following code table. 2. Some of transistors and diodes are indicated in mark for the substitution of parts name.
  • Page 113 Part 6: Electrical Diagrams Resistor Reading Example 1/2 D J 10K B Material table Tolerance table Mark Material Mark Tolerance Characteristic ±0.05 Carbon ±0.1 Example W K 8.2 Metal film Z (Carbon fuse) ±0.25 Oxide metal film B (Non-burnable) ±0.5 Solid ±1 Metal glaze...
  • Page 114: Diode, Transistor And Ic Pins

    Part 6: Electrical Diagrams 2. DIODE, TRANSISTOR AND IC PINS Diode Diode K: Cathode A: Anode Transistors/FET Transistor/FET C: Collector D: Drain B: Base G: Gate Index E: Emitter S: Source C1 C2 C1 C2 (GND) RESET (IN) (OUT) Index Index Index Index...
  • Page 115: Schematic Diagrams

    Schematic Diagrams LINE FILTER TERMOSTAT INTER LOCK AC CORD (SET TO OPEN 1AV4W11B AT 100+/-5°C) 00800 LF901 SW902 SW904 U20B30101 K903S C602 C603 C604 K901S S10B3370N AC100-120V (LIVE) C601 L601 L602 S10B3590N J11B F601 275GM VA601 R601 275GM 275GM F35B 275GM :S10B5470N J11B...
  • Page 116 K10V J11MD400G PC1-R PC1-R K10V_39 C202 C201 PC1-G 25KZ 25KZ PC1-G K10V_37 PC1-B K10V_35 PC2-B R1001 R1003 Q201 R1081 C1001 R1002 R1004 IN2_R RX2+ RX2+ K10E_2 K10V_29 RX2- RX2- D1001 R1013 K10E_1 K10V_27 R201 1/16 R1082 1/16GJ R200 6.2B GZ0C INPUT R1016 100C...
  • Page 117 J10ML400G PC1-R K3V_39 K3V_37 PC1-G ADHS (IC6301 15P) K3V_35 PC1-B (IC6351 12P) L8203 ADCLK C8214 L2PD2R2MG C8216 25KZ0.1 6.3EM100 RB8251 POWER-FAIL GQFZ (WM:F1) R1EB4704G: D5281 3.3VD R1JA4704G K3V_29 RX2+ 1SS355 C8217 K3V_27 POWER_FAIL 25KZ0.1 RX2- GQFZ IC5281 K3V_23 PC1/PC2-SW5 R5284 R8218 RX1+ SI-3012LU-TL...
  • Page 118 L8051 L2PD2R2MG IC7256 3.3V TC7S66FU DPC_ON DPC_ON R7273 C8051 3.3VS 6.3EM100 (WM:F1) R7288 (IC301 222P) GFBK D_CR0 R7275 R7261 D_CR1 IC301 D_CR2 SYSTEM (IC301 25P) PDEN R7262 R7263 D_CR3 1/16GZ0C 1/16GZ0C C8053 (IC8201 41P) COASTOUT CONTROL RB8014 RB8013 RB8012 RB8011 25KZ0.1 R1EB4704G: R1EB4704G:...
  • Page 119 FAN.SENS J10QY400G J10EG060G K8S_1 K8S_2 K8E_1 K8S_3 K8S_4 TEMP ZOOM_- ZOOM_+ K8E_2 IC8801 K8S_5 K8S_6 LAMP_BST_SW FOCUS_- FOCUS_+ “K48E” K8E_3 K8S_7 SDA1_5 R8801 LM76CHMX-5 R8803 1/16GJ 1/16GJ K8S_9 FANDRIVE 10KC LAMP_BST_SW K8E_5 J10EZ SCL1_5 K8S_11 200G FANDRIVE C8803 POWER_FAIL IC5641 K8S_13 25KZ0.1 POWER_FAIL...
  • Page 120 IC1801 TP801 J30B TC7SH04FU; 1640G L1301 C1301 C1303 SN74AHC1G04HDCKR L2A7 C1302 3.3VS 25KZ 3R3MG 25KZ GQFZ 470D GQFZ 3.3VS TP802 J30B C1802 3.3VS 1640G (IC301 135P) IC1802 25KZ L1302 GQFZ TC7W00FU 1/8GZ000 C807 C1801 R802 10KZ1U 10KZ GQFZ 1/16GJ 10KC GQFZ R1309 C1311...
  • Page 121 C515 C516 10KZ1U 6.3EM 330D C513 GQFZ 25KZ0.1 GQFZ 15.5V C517 D2601 6.3KK L502 2.2GQ 1SS355 L2A9R47MG (IC7801 5P) B_VREF Q2601 POWER_FAIL VCOM_B 2SA1203Y R519 C511 R512 R511 2.5VD R513 1/16GZ 1/16GZ 25KZ0.1 POWER_FAIL 2.5VS POWER_FAIL GQFZ C2561 C2562 R2601 R2561 R2563 R2564...
  • Page 122: Printed Wiring Board Diagrams

    Printed Wiring Board Diagrams CAUTION This projector is isolated from AC line by using the internal converter transformer. Please pay attention to the following notes in servicing 1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides (secondary circuit) at the same time.
  • Page 123 MAIN (SIDE:A) P.F (SIDE:A) INTER LOCK LAMP BALLAST “A901” SW “SW904” R5324 R1201 C5312 R1208 C5326 Q5302 R1202 C1209 IC5321 R5316 Q5301 R1203 C1203 Q8002 C5281 D5321 R1211 R1212 R5332 D5324 D5281 TP12E C5323 R1213 R8005 Q7601 R5326 R5322 IC5311 R5302 C1202 C5223...
  • Page 124 MAIN (SIDE:B) P.F (SIDE:B) FB613 R614 DVI “K10W” DVI “K10V” AV “K10Y” AV “K10T” AV “K10U” PTH611 R613 C612 DB611 Q611 D614 TSW611 R62L SP901 C5311 R5317 C5321 C5325 R5306 R5307 C2101 C2102 C8101 C5224 R62P C3874 C5322 C3873 IC8001 R5318 C5207 C9791...
  • Page 125 POWER (SIDE:A) POWER (SIDE:B) D631 C642 T651 C642 R634 C639 D653 C653 C653 R635 R636 P.F. “K6E” IC651 PC642 C694 R691 C656 R657 R656 C659 C693 PC641 R641 D634 R661 Q641 PC643 R640 R643 C661 C686 C65F C692 C691 C65G EXHAUST FAN R662 L695...
  • Page 126 KEY SW (SIDE:A) SW6801 MAIN “K8A” LINE FILTER (SIDE:A) POWER D6803 D6802 D6801 L601 F601 TYPE: 215004 T4AH 250V 1AA4B10C KEYSTONE 3250C_B READY (GREEN) F601A SW6809 SW6874 LIVE SW902 SW6804 MENU LF901 SW904 NEUT SW6871 SW6803 SW6806 SW6808 LAMP REPLACE (YELLOW) C603 C602...

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