Canon LV-7215U Service Manual
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Canon LV-7215U Service Manual

Canon LV-7215U Service Manual

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SERVICE MANUAL

By Portable Document Format
LV-7215U/D78-5452
LV-7215E/D78-5453
LV-7210U/D78-5462
LV-7210E/D78-5463
LV-5210U/D78-5472
LV-5210E/D78-5473
DY8-1785-471 500
PREFACE
0
1
General
2
Repair
Adjustment
3
4
Troubleshooting
Parts Catalog
Electrical Diagrams
5
5
Electrical Diagrams
6

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Summary of Contents for Canon LV-7215U

  • Page 1: Service Manual

    English Edition PREFACE General SERVICE MANUAL Repair By Portable Document Format Adjustment LV-7215U/D78-5452 Troubleshooting LV-7215E/D78-5453 LV-7210U/D78-5462 Electrical Diagrams Parts Catalog LV-7210E/D78-5463 LV-5210U/D78-5472 Electrical Diagrams LV-5210E/D78-5473 DY8-1785-471 500...
  • Page 2 CANON Multimedia Projector LV-7215U D78-5452 LV-7215E D78-5453 LV-7210U D78-5462 LV-7210E D78-5463 LV-5210U D78-5472 LV-5210E D78-5473 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 Japan North America Europe POWER PROJECTOR MULTIMEDIA PROJECTOR MULTIMEDIA PROJECTOR LV-7215J LV-7215U LV-7215E Model Name LV-7210J LV-7210U LV-7210E LV-5210J LV-5210U LV-5210E...
  • 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 Outline ..................1-1 1.3 Major Features ..................1-2 2. SPECIFICATIONS ................... 1-4 2.1 Type ......................1-4 2.2 LCD Panel ....................1-4 2.3 Optics ....................... 1-4 2.4 Video ......................
  • Page 7 3.3 Main Board Removal ................2-7 3.4 Rear Panel, AV and DVI Board Removal ..........2-7 3.5 Optical Unit Removal ................2-8 3.6 Power, Lamp Ballast, Lamp Cover SW Board Removal ......2-8 3.7 Fans Removal ..................2-9 4. OPTICAL PARTS DISASSEMBLIES ............... 2-10 4.1 Projection Lens Removal .................
  • Page 8 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 2. CONTROL PORT FUNCTIONS ..............4-6 2.1 System Control & I/O Port Table (IC801) ..........4-6 2.2 IC Bus DA Converter (M62393, IC281) Port Functions ......4-8 2.3 IC Bus I/O Expander (M62320, IC1851) Port Functions ......

  • Page 9: Part 1: General Information

    Part 1 General Information...

  • Page 10: Features

    We believe the demand in the market for 1500-2500 lumen XGA models is sure to expand, and the demand for 1500-1999 lumen SVGA models will remain constant. Using our proprietary optical expertise, Canon has developed three very competitive products, featuring outstanding illumination and compact, micro-portable class design.

  • Page 11: Major Features

    Part 1: General Information Moreover, the DVI video interface allows crystal-clear digital signal input from a DVD, and new progressive scan circuitry converts interlace video to clear progressive scan video. Depending on conditions, the lamp mode can be switched. With the reduced brightness, the fan runs at optimum speed giving a 35dB silent mode, and the "auto mode"...
  • Page 12 Part 1: General Information 35dB Silent Mode and Auto Mode These models have three selectable lamp settings: normal output (Normal), reduced output (Silent) and automatic (Auto). Normal mode puts the emphasis on brightness, quiet (35dB) Silent mode on reduced fan noise, and Auto mode matches output to the projected scene. The user can select the mode that best suits the conditions.

  • Page 13: Specifications

    Part 1: General Information 2. SPECIFICATIONS * Model variations are underlined 2.1 Type LCD Projector 1. Type 2. Product class Micro-portable Transmission LCD panel 3. Imaging Elements 2.2 LCD Panel 1. Type polysilicon active matrix TFT 2. Micro Lens [7215] Yes, [7210/5210] No Three, 16mm ×...

  • Page 14: Miscellaneous

    Part 1: General Information 6. Scanning Frequency [7215/7210] Horiz.: 15 to 100 kHz, Vert.: 50 to 100 Hz, Dot Clock: 140 MHz [5210] Horiz.: 15 to 80 kHz, Vert.: 50 to 100 Hz, Dot Clock: 100 MHz 2.6 Miscellaneous 1. Tilt Feet Up to 11.9°...

  • Page 15: Functions

    Part 1: General Information 3. FUNCTIONS 3.1 Optics Zoom/Focus These models have a 1.6× zoom lens and manual zooming and focusing. Projection Distance vs. Image Size The projection distance for these models is 1.0 to 7.7 meters. The specifications list the distance in inches (40 to 300") instead of meters.
  • Page 16 Part 1: General Information • Custom Mode This mode gives the user control to modify one of the above modes. The user custom settings can be saved. Progressive Circuit The progressive scan circuitry automatically converts interlaced scan video inputs to progressive scan.

  • Page 17: Image Signals

    Part 1: General Information 3.3 Image Signals Computer Input Digital or analog computer displays are compatible. Computer Displays will not be detailed her, but there are signal frequencies and computer displays that are not compatible. (See the user manual for details.) •...

  • Page 18: Mechanisms And System

    Part 1: General Information 3.4 Mechanisms and System Lamp Mode Selection The lamp current can be selected. Normal Silent Auto LV-7215/7210 200 W 150 W Automatic control LV-5210 185 W 160 W Automatic control * The LV-5210 uses a 200W lamp, but it is limited as shown to reduce heating. Normal mode gives priority to brightness.
  • Page 19 Part 1: General Information Power Management The power management function can be set so that the lamp automatically turns off if no image signals have been input for a set time and the projector has also not been operated. The time can be set between 1 and 30 minutes. The initial setting is ON, and either ON or OFF is set according to a setting screen.

  • Page 20: Accessories, Etc

    Used to connect the analog RGB signal from a computer, etc. USB Cable 4.2 Replacement Parts Canon Projector Lamp LV-LP18/LV-LP19 LV-LP18 for 7215/7210, LV-LP19 for LV-5210 When the "replace lamp" indicator lamp lights, replace the lamp after letting it cool.

  • Page 21: Optional Accessories

    3RCA-Dsub15 Cable LV-CA32 Necessary for equipment with Component Output (RCA × 3) This cable is added for these models. Canon Ceiling Mount LV-CL08 For mounting the projector hanging from the ceiling. * A professional should be consulted about ceiling installation.

  • Page 22: Descriptions

    Part 1: General Information 5. DESCRIPTIONS 5.1 Optics The lens is a newly designed wide zoom lens, LCD panels with a large aperture ratio of 0.79" (0.80" for publication) and a 200 Watt UHP lamp giving as very bright image from a compact package.

  • Page 23: Image

    Part 1: General Information 5.2 Image Progressive Scan By utilizing the "scan Converter IC" to it fullest, the image and progressive scan are improved. * Compared to the LV-7555, the progressive functions are limited. Start-up Display Customizing (Logo capture) In these models the portion of the flash memory is reserved for "logo capture", making it possible to save any image as data for use as the start-up screen.

  • Page 24: Design

    Part 1: General Information 5.5 Design The design concept of Canon's multimedia projectors is a 3-dimensional form, which has the precise, tension look of an optical apparatus-likeness is inherited. Furthermore, the design gives a sociable light impression which is simple and has a transparent feeling.

  • 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 provides 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. Fuse 2.1 Fuse A fuse is located inside of the projector.

  • Page 28: Warning Temperature And Power Failure Protection

    Part 2: Repair Information 2.4 Warning Temperature and Power Failure Protection The projector will be automatically turned off when the internal temperature of the projector is abnormally high, or the cooling fans stop spinning, or the power supplies in the projector are failed. •...
  • Page 29 Part 2: Repair Information [RECOMMENDATION] We recommend not to use the projector in dusty, smoky places. Using it in dusty place may cause the poor picture quality. When using under the dusty or smoky conditions, dust may accumulate on the LCD panel and lens inside it, and may resultantly be projected on the screen together with the picture.

  • Page 30: Mechanical Disassemblies

    Part 2: Repair Information 3. 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 the CAUTION original otherwise it may cause loss of performance and product safety.

  • Page 31: Cabinet Front, R/C Board, Fn902, Sp901 Removal

    Part 2: Repair Information 3.2 Cabinet Front, R/C Board, FN902, SP901 Removal 1. Remove 2 screws A (M3×8), 3 screw B (M2.5×6) and disconnect terminal “K8D” on the Main Board. 2. Pull the Cabinet Front forward off and remove 1 screw C (T3×6) to take the R/C Board and remove 4 screws D (T2×6) to take a speaker "SP901".

  • Page 32: Main Board Removal

    Part 2: Repair Information 3.3 Main Board Removal 1. Remove 7 screws A (M2.5×6) and 2 screws B (M2.5×6). 2. Remove a shield cover (black) and disconnect terminals “K8N”, “K6L”, K8H”, “K8P”, K5B”, “K5G”, “K5R”, K6J”, “K8R” and “K8S” on the Main Board. 3.

  • Page 33: Optical Unit Removal

    Part 2: Repair Information 3.5 Optical Unit Removal 1. Remove 6 screws A (T3×8) and disconnect terminal “K6A” on the lamp ballast board. 2. Pull the Optical Unit upward off from the cabinet bottom. Fig. 2-9 3.6 Power, Lamp Ballast, Lamp Cover SW Board Removal 1.

  • Page 34: Fans Removal

    Part 2: Repair Information 3.7 Fans Removal 1. Remove 1 screw A (T3×8) and remove fan “FN903”. 2. Remove 4 screws B (T3×8) and 2 screws C (T3×10), and take the fan cover-A and fan “FN904”. 3. Remove 1 screw D (T3×8) and take the fan duct-A and fan “FN906”. 4.

  • Page 35: Optical Parts Disassemblies

    Part 2: Repair Information 4. OPTICAL PARTS DISASSEMBLIES Before taking this procedure, remove Cabinet Top, Cabinet Front and Main Board following to the “Mechanical Disassemblies”. Disassembly requires a 2.0mm hex wrench. 4.1 Projection Lens Removal 1. Remove 4 screws (M2.5×8) and remove the Projection Lens. Fig.

  • Page 36: Relay Lens-Out Disassembly

    Part 2: Repair Information 4.3 Relay Lens-Out Disassembly 1. Remove 2 screws A (M2.5×5) and pull the Relay Lens-Out ass’y upward. 2. Remove 2 screws B (M2×3) to take the Lens off from the holder. Note: There is no mounting direction of the lens. Holder Relay Lens-Out Fig.

  • Page 37: Lcd Panel/Prism Ass'y Removal

    Part 2: Repair Information 4.5 LCD Panel/Prism Ass’y Removal 1. Insert the hexial driver into a hole on the cabinet bottom and loosen LCD Panel/ 1 screw A on the Prism base. Prism Ass’y 2. Loosen 2 screws B on the LCD Panel/Prism ass’y.

  • Page 38: Optical Unit Top Removal

    Part 2: Repair Information 4.6 Optical Unit Top Removal 1. Remove 4 screws A (T3×8) and 3 screws B (T3×8) to take the Optical Unit Top-A and B upward. Optical Unit Top-B Optical Unit Top-A Fig. 2-17 2-13...

  • Page 39: Locations And Directions

    Part 2: Repair Information 4.7 Locations and Directions When the optical parts in the optical unit Key No. Description mounting or assembling, the parts must be Integrator lens (OUT) mounted in the specified location and direction Prism beam splitter (PBS) as shown in figure below.

  • Page 40: Cleaning

    Part 2: Repair Information 5. 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 optical unit. WARNING Remove dust and other particles using air spray.

  • Page 41: Lamp Replacement

    Part 2: Repair Information 6. LAMP REPLACEMENT • For continued safety, replace with a lamp assembly of the same type. • Allow the projector to cool for at least 45 minutes before you open the lamp cover. The inside of the projector can become very hot. WARNING •...
  • Page 42 Part 2: Repair Information [How to reset lamp replace counter] 1. Turn the projector on, press the MENU button and the On-Screen Menu will appear. Press the Point Left/Right button to move the red frame pointer to the Setting Menu icon.

  • Page 43: Adjustment

    Part 3 Adjustment...

  • Page 44: Adjustments After Parts Replacement

    Part 3: Adjustment 1. ADJUSTMENT Memory IC replacement IC1801 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 45: 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 INPUT buttons on the projector at the same time for more than 3 seconds. The service menu appears on the screen as follows.

  • Page 46: 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 47 Part 3: Adjustment Adjustment Item Initial Value Range Input source/Description Group: 9 CXD3536R (Panel Drive System) DCK_CDAT Read Only [Addr: 0x1043] G_SUB_GAIN 71/70/61/61 0 ~ 255 [Addr: 0x2007] PC/AV/DVI/HDCP Sub Gain Adjustment [G] R_SUB_GAIN 71/70/61/61 0 ~ 255 [Addr: 0x2006] PC/AV/DVI/HDCP Sub Gain Adjustment [R] B_SUB_GAIN 71/70/61/61...
  • Page 48 Part 3: Adjustment Adjustment Item Initial Value Range Input source/Description Standard GAMMA 12 842/826 0 ~ 1023 Standard GAMMA 13 868/870 0 ~ 1023 Standard GAMMA 14 932/926 0 ~ 1023 Standard GAMMA 15 1023/1023 0 ~ 1023 Real/Cinema GAMMA 0 512/512 0 ~ 1023 Real/Cinema GAMMA 1...
  • Page 49 Part 3: Adjustment Adjustment Item Initial Value Range Input source/Description FAN_TEMP_C_WARNING 71/73 30 ~ 100 Temperature C to judge the abnormal temperature, for Lamp SVGA/XGA FAN_TEMP_B-A_WARNING 0 ~ 100 Temperature B-A to judge the abnormal temperature, for detecting clogged filter FAN_TEMP_C-A_WARNING 0 ~ 100 Temperature C-A to judge the abnormal temperature, for detecting clogged filter...
  • Page 50 Part 3: Adjustment Adjustment Item Initial Value Range Input source/Description FAN1_ADJUST_VOLT_MIN DAC Adjustment Value at minimum driving voltage for FAN1 Fan Control Adjustment FAN1_ADJUST_VOLT_MAX DAC Adjustment Value at maximum driving voltage for FAN1 Fan Control Adjustment FAN2_ADJUST_VOLT_MIN 0~255 DAC Adjustment Value at minimum driving voltage for FAN2 Fan Control Adjustment FAN2_ADJUST_VOLT_MAX DAC Adjustment Value at maximum driving voltage for FAN2...
  • Page 51 Part 3: Adjustment Adjustment Item Initial Value Range Input source/Description Group: 502 NTSC Gakaku (Composite/Svideo) at I/P ON NTSC TOTAL DOTS 0 ~ 4096 NTSC DISP DOTS 0 ~ 768 NTSC H BACK PORCTH 0 ~ 4096 NTSC V BACK PORCTH 0 ~ 4096 NTSC DISP LINE 0 ~ 576...
  • Page 52 Part 3: Adjustment Adjustment Item Initial Value Range Input source/Description HDTV DISP DOTS 0 ~ 4096 HDTV H BACK PORCTH 0 ~ 4096 HDTV V BACK PORCTH 0 ~ 4096 HDTV DISP LINE 0 ~ 4096 HDTV CLAMP 0 ~ 127 HDTV WIDTH 0 ~ 63 Group: 517 HDTV 480i Gakaku (Component)at I/POFF...
  • Page 53 Part 3: Adjustment Adjustment Item Initial Value Range Input source/Description RGB V BACK PORCTH 0 ~ 4096 RGB DISP LINE 0 ~ 4096 RGB CLAMP 0 ~ 127 RGB WIDTH 0 ~ 63 Group: 525 RGB 480p Gakaku RGB TOTAL DOTS 1309 0 ~ 4096 RGB DISP DOTS...

  • Page 54: Circuit Adjustments

    Part 3: Adjustment 2. CIRCUIT 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 55: Fan Control Adjustment

    Part 3: Adjustment 2.2 Fan Control Adjustment 1. Set the lamp mode to "Normal" and then enter the service mode. 2. Select group no. “111”, item no. “5” and set data value to “1”. 3. Connect a digital voltmeter to test point “TP12V1” (+) and chassis ground (–). Select item no.

  • Page 56: Clamp Adjustment [Av]

    Part 3: Adjustment 2.4 Clamp 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 “TPG1” (+) and chassis ground (–). 4. Select group no. “0”, item no. “0” and change data value to adjust the pedestal level and black level to be the same level.

  • Page 57: Sub Gain Adjustment [Pc]

    Part 3: Adjustment 2.6 Sub Gain Adjustment [PC] 1. Receive the 16-step grey scale computer signal with Computer2 [RGB] mode. 2. Enter the service mode. 3. Connect an oscilloscope to test point “TPG1” (+) and chassis ground (–). 4. Select group no. “9”, item no. “1” and adjust the amplitude “a” to be minimum by changing the Data value.

  • Page 58: Video Center Adjustment

    Part 3: Adjustment 2.8 Video Center Adjustment 1. Receive the 16-step grey scale computer signal with Computer2 [RGB] mode. 2. Enter the service mode 3. Connect a digital voltmeter to test point “TPG1” (+) and chassis ground (–). 4. Select group no. “10”, item no. “0” and change data value to adjust the voltage to be 7.50 ±...

  • Page 59: Black Reference Adjustment

    Part 3: Adjustment 2.10 Black Reference Adjustment 1. Receive the 16-step grey scale computer signal with Computer2 [RGB] mode. 2. Enter the service mode. 3. Connect an oscilloscope to test point “TPG1” (+) and chassis ground (–). 4. Select group no. “10”, item no. “3” and change data value to adjust amplitude “a” to be 9.8 ±...

  • Page 60: Gamma Adjustment

    Part 3: Adjustment 2.12 Gamma Adjustment [PC-gamma adjustment] 1. Receive the 16-step grey scale computer signal with Computer2 [RGB] mode. 2. Enter the service mode. 3. Connect an oscilloscope to test point “TPG1” (+) and chassis ground (–). 4. Select group no. “9”, item no. “10” and change data value to adjust amplitude “a” to be 2.2 ±...

  • Page 61: 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. 3-18...

  • Page 62: Optical Adjustments

    Part 3: Adjustment 3. OPTICAL ADJUSTMENTS Before taking optical adjustments below, remove the Cabinet Top following to the “Mechanical Disassemblies”. Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust Integrator lens or Relay lens adjustment, you need to disconnect FPC cables of LCD panels on the main board.

  • Page 63: Integrator Lens Adjustment

    Part 3: Adjustment 3.2 Integrator Lens 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 integrator White lens assy to make color uniformity in white. 1) If the shading appears on the left or right of the screen as shown in Fig.3-13, loosen 2 screws A, and adjust the slot B...

  • Page 64: Relay Lens-Out Adjustment

    Part 3: Adjustment 3.3 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 White to make color uniformity in white. If the shading appears on the left or right of the screen as shown in Fig.3-15, loosen 1 screw A, and adjust the slot B to make color...

  • Page 65: Test Points And Locations

    Part 3: Adjustment 4. TEST POINTS AND LOCATIONS Main board IC1851 IC5351 Fig. 3-16 3-22...

  • Page 66: Troubleshooting

    Part 4 Troubleshooting...

  • Page 67: 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 of LED indicators are not lighting, the symptom indicates that the primary power supply circuit does not operate properly.
  • Page 68 Part 4: Troubleshooting • An abnormality occurs on the drive signals; POWER_SW signal (Power-on: H) is output from pin 1 of IC801 and input to pin 17 of IC1881, and output from pin 3 by the name of 5V_SW. LAMP_BALAST_SW1(Power-on: H) is output from pin 12 of IC1851 (D/A) and supplied to the P.F Control IC, IC621, through the IC1881, Q651, and PC643.

  • Page 69: 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 TPB1, TPB2, TPG1, TPG2, TPR1, TPR2. Check PSIG signals at test points TPPSIG and TPZPSIG. Check power supply circuit 15.5V and peripheral circuit.
  • Page 70 Part 4: Troubleshooting From previous page No picture with S-VIDEO Check AV source selecting stage; input source Check S-video signal (Y/C) on the AV board. S-C signal is applied to pin 43 of IC3101<Video Decoder>, and S-Y signal is applied on pin 44 of IC3101. S_SW signal (S-VIDEO: L) is input to pin 6 of IC2321<I/O>.

  • Page 71: No Sound

    Part 4: Troubleshooting 1.3 No Sound Check following steps. Check if the audio Check IC001 and peripheral circuit. signal is observed at Check the switching voltage at pins 9 and 10. pins 2 and 13 of IC001. pin9: L pin10: L: PC audio input pin9: L pin10: H: AV audio input Check if the audio signal is observed at...

  • Page 72: Control Port Functions

    Part 4: Troubleshooting 2. CONTROL PORT FUNCTIONS 2.1 System Control & I/O Port Table (IC801) Pin No. Name Function Name Function Action PE5/D5 POWER_SW Power_SW "H": On PE6/D6 SCL 5 IIC Bus 5 SCL “L”: active PE7/D7 LAMP_SW Lamp LED “H”: On PD0/D8 DATA0...
  • Page 73 Part 4: Troubleshooting Pin No. Name Function Name Function Action RESET Reset Input Reset at “L”-> “H” Nonmaskable Input “H”: Fixed STBY STBY Standby XTAL XTAL X'TAL Input EXTAL EXTAL X'TAL Output Write Enable Input “H”: Enable Operation Mode Control2 “H”: Fixed PF7/Ø...

  • Page 74: Ic Bus Da Converter (M62393, Ic281) Port Functions

    Part 4: Troubleshooting 2.2 IC Bus DA Converter (M62393, IC281) Port Functions Pin No. Name Function Action Reset Fixed “H” IIC SCL Active “L” IIC SDA Active “L” Not used Not used Not used Not used VrefL D/A converter lower ref. voltage Connected to GND VrefU1 D/A converter upper ref.

  • Page 75: Parallel Bus Da & I/O Port Functions

    Part 4: Troubleshooting 2.5 Parallel Bus DA & I/O Port Functions IC REF. NO Signal Name Function Note IC2321 CS_IN TC74LCX541 Not used SC_SW Scart Selection SIgnal input L: Scart on S_SW S-Video Selection Signal input L: S-Video on CARD_IN Imager Card Signal input L: Imager on W_LAN_IN...

  • Page 76: Waveform

    Part 4: Troubleshooting 3. WAVEFORM CVBS <K3Y-51> Y signal <IC3101-5> C signal <IC3101-7> HSYNC signal <IC3101-9> VSYNC signal <IC3101-4> GHS signal <TGHS_1> GVS signal <TGVS> DHS signal <TDHS> DVS signal <TDVS> R-S&H signal <TPR1> G-S&H signal <TPG1> B-S&H signal <TPB1> PSIG signal <TPPSIG/TPZPSIG>...

  • Page 77: Ic Block Diagrams

    Part 4: Troubleshooting 4. IC BLOCK DIAGRAMS AD8075 <Selector, IC201> AN7513 <Audio-Output, IC5601> 4-11...
  • Page 78 Part 4: Troubleshooting AN5870 <RGB,SYNC-SW, IC1201, IC5201> BA7078 <Sync Separator, IC5341> 4-12...
  • Page 79 Part 4: Troubleshooting BA7655<Audio Control, > IC5001 CXA7005R <D/A, S/H-LCD Driver, > IC501, IC1501, IC530, IC1531, IC561, IC1561 4-13...
  • Page 80 Part 4: Troubleshooting CXD3536 <LCD Driver, IC401> FA5502 <P.F. Control, IC621> 4-14...
  • Page 81 Part 4: Troubleshooting M62392, M62393 <D/A, IC6271, IC281> ML60851 <USB Driver, IC9801> 4-15...
  • Page 82 Part 4: Troubleshooting STR-Z2156 <Power Switching Control, IC631> TB1274<Video Decoder, IC3101> 4-16...
  • Page 83 Part 4: Troubleshooting TC90A69F <Y/C Separator, IC2101> 4-17...

  • Page 84: Part 5 Parts Catalog

    Part 5 Parts Catalog...
  • Page 86 Multimedia Projector LV-7215 / 7210 / 5210 U REF.NO.D78-5452 / 5462 / 5472 LV-7215 / 7210 / 5210 E D78-5453 / 5463 / 5473 Power Projector LV-7215 / 7210 / 5210 J D78-5451 / 5461 / 5471 PARTS CATALOG CONTENTS Page1: Mechanical parts Page2: Optical parts Page3: Optical &...
  • Page 87 Page 1 REF. No. D78-5451/5461/5471 CANON LV-7215/7210/5210 J D78-5452/5462/5472 LV-7215/7210/5210 U D78-5453/5463/5473 LV-7215/7210/5210 E S1-1(M3x8) S1-1 S1-2(M3x6) S5(M2.5x6) S6(T3x8) S1-2 S7(T3x6) S1-1 S1-2...

  • Page 88: Parts List

    FILTER, DUST B DY5-0366-000 PANEL, FRONT L DY5-0367-000 PANEL, FRONT R DY5-0368-000 PANEL, SIDE DY5-0369-000 COVER, SIDE DY5-0014-000 PLATE, CANON LOGO DY5-0371-000 HOLDER, POWER UNIT DY5-0372-000 COVER, DUCT TOP LCD DY5-0373-000 COVER, DUCT BOTTOM LCD DY5-0374-000 COVER, DUCT FRONT DY5-0375-000...
  • Page 89 Page 2 REF. No. D78-5451/5461/5471 CANON LV-7215/7210/5210 J D78-5452/5462/5472 LV-7215/7210/5210 U D78-5453/5463/5473 LV-7215/7210/5210 E...
  • Page 90 Page 2 PARTS LIST REF NO. D78-5451 / 5461 / 5471 D78-5452 / 5462 / 5472 D78-5453 / 5463 / 5473 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS DY5-0385-000 LENS, CONDENSOR OUT DY5-0387-000 LENS, RELAY IN DY5-0389-000 LENS, CONDENSOR, R DY5-0390-000 LENS, CONDENSOR, B DY4-6055-000...
  • Page 91 Page 3 REF. No. D78-5451/5461/5471 CANON LV-7215/7210/5210 J D78-5452/5462/5472 LV-7215/7210/5210 U D78-5453/5463/5473 LV-7215/7210/5210 E (PL-R) (PL-G) (PL-B)
  • Page 92 Page 3 PARTS LIST REF NO. D78-5451 / 5461 / 5471 D78-5452 / 5462 / 5472 D78-5453 / 5463 / 5473 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS LV-7215 DY5-0386-000 PRISM/LCD ASS'Y DY5-0431-000 PRISM/LCD ASS'Y LV-7210 DY5-0434-000 PRISM/LCD ASS'Y LV-5210 DY5-0388-000 LENS, RELAY OUT...
  • Page 93 Page 4 REF. No. D78-5451/5461/5471 CANON LV-7215/7210/5210 J D78-5452/5462/5472 LV-7215/7210/5210 U D78-5453/5463/5473 LV-7215/7210/5210 E KEY SW FUSE MAIN POWER BALLAST LAMP SW FN904 FN902 FN905 SP901 LF901 FN901 FN903 SW902 FN906 LP901 CABLE2: MAIN(K8A)- KEYSW(K68A) CABLE3: MAIN(K8D)- RC(K28D) CABLE4: BALLAST(CB2)
  • Page 94 Page 4 PARTS LIST REF NO. D78-5451 / 5461 / 5471 D78-5452 / 5462 / 5472 D78-5453 / 5463 / 5473 NEW SYMBOL PARTS NO. CLASS DESCRIPTION REMARKS BALLAST DY5-0407-000 LAMP BALLAST ASS'Y LV-7215/7210 BALLAST DY5-0438-000 LAMP BALLAST ASS'Y LV-5210 CABLE1 DY5-0408-000 CABLE, LAMP BALLAST...
  • Page 95 Page 5 REF. No. D78-5451/5461/5471 CANON LV-7215/7210/5210 J D78-5452/5462/5472 LV-7215/7210/5210 U D78-5453/5463/5473 LV-7215/7210/5210 E LABEL1 Ｚ-1 ①・・・・・・・・・・    使用上のご注意 ②・・・・・・・・・・ 電源の切り方   ③・・・・・・・・・・ LABEL2 Ｙ...
  • Page 96 Page 5 PARTS LIST REF NO. D78-5451 / 5461 / 5471 D78-5452 / 5462 / 5472 D78-5453 / 5463 / 5473 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS DY5-0030-000 STRAP, LENS CAP DY5-0403-000 BAG CARRYING DY5-0404-000 REMOTE CONTROLLER DY5-0405-000 COVER, REMO-CON BATTERY CY2-8293-000 POWER CORD, AC120V...
  • Page 97 Page 6 PARTS LIST REF NO. D78-5451 / 5461 / 5471 D78-5452 / 5462 / 5472 D78-5453 / 5463 / 5473 PAGE SYMBOL PAGE SYMBOL PARTS NO. PARTS NO. DY5-0350-000 DY5-0391-000 DY5-0351-000 DY5-0394-000 DY5-0352-000 DY5-0395-000 DY5-0353-000 DY5-0396-000 DY5-0354-000 DY5-0397-000 DY5-0355-000 DY5-0401-000 DY5-0430-000 DY5-0402-000...
  • Page 98 PARTS LIST Page 7 REF NO. D78-5451 / 5461 / 5471 D78-5452 / 5462 / 5472 D78-5453 / 5463 / 5473 PAGE SYMBOL PAGE SYMBOL PARTS NO. PARTS NO. DY5-0030-000 DY5-0403-000 DY5-0404-000 DY5-0405-000 CY2-8293-000 CY2-8299-000 CY2-8295-000 DY5-0406-000 CY2-8288-000 LABEL1 DY4-6337-000 LABEL2 DY5-0069-000...

  • Page 99: Part 6: Electrical Diagrams

    Part 6 Electrical Diagrams...

  • Page 100: 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 101 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 102: Diode, Transistor And Ic Pins

    Part 6: Electrical Diagrams 2. DIODE, TRANSISTOR AND IC PINS Diodes Diode K: Cathode A: Anode Transistors/FETs 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 103: Chassis Block Diagrams

    Chassis Block Diagrams Chassis over view R-PANEL G-PANEL B-PANEL IC1451 DIGITAL ENHANCER IC201 IC1861 INVERTER IC5201 IC5341 IC5351 RGB/COMP-SW SYNC SEP. SYNC SEP. Y,Cb,Cr Y,Cb,Cr IC1201 PC1/PC2-SW IC5061 AUDIO OUT IC5021 AUDIO-AMP. IC5001 AUDIO CONTROL IC001 AUDIO-SW D-SUB DVI-I AUDIO...
  • Page 104 Chassis Block Diagrams Inputs & video signal processing stage IC1301 BUFFER <TC74LCX> IC5201 RGB/COMP-SW <AN5870> IC5341 IC5351 SYNC.SEP COMP.SYNC <BA7078> DET<TA1370> IC1201 IC5301 IC3101 PC1/PC2-SW SYNC-SW VIDEO DECIDER <TC4053> <AN5870> <TB1274> Y,CR,CB IC3061 RGB ANALOG <AD8074> D-SUB DVI-I DIGITAL/ ANALOG RGB S-VIDEO C-VIDEO...

  • Page 105: Lcd Panel Driving Stage

    Chassis Block Diagrams LCD panel driving stage IC2441 IC1441 IC401 BUFFER BUFFER LCD DRIVER& GAMMA CORRECTION <CXD3536> IC1391 IC1451 DIGITAL ENHANCER IC2341/IC2342 <> BUFFER I/F...

  • Page 106: Audio Signal Processing Circuit

    Chassis Block Diagrams Audio signal processing circuit Q5043 VOL_SW5 PC: L AV: H AUDIO-IN Q001 Q5041 SP901 AUDIO-IN Q002 Q5042 MUTE:L Q5001 MUTE_SP MUTE:H Q053 AUDIO Q054 Q5061 MUTE:H Q051 AUDIO_MUTE5 Q052 K10U 17-18 15-16 13-14 MUTE:H MUTE: H D0_PW D15_PW PC: H AV: L...

  • Page 107: System Controls

    Chassis Block Diagrams System controls IC281 IC6221 IC1851 <M62393> <M62392> <M62320> IC5371 BUFFER IC1881 BUFFER IC2323 IC2324 IC2321 <TC74LCX574> <TC74LCX574> <TC74LCX541> IC301 IC801 SYSTEM SUB CPU CONTROL <PW463>...
  • Page 108 Chassis Block Diagrams Power supply & protection circuit IC631 POWER OSC. <STR-Z2156> IC621 P.F.CONTROL <FA5502> Power-On:H Power-On:H IC1851 IC1881 BUFFER <M62320> IC801 SUB CPU...

  • Page 109: Fan Control Circuit

    Chassis Block Diagrams Fan control circuit Q671 FN906 15.5V D69D FN905 D67P Q672 Q67P IC671 D67Q FN904 Q67A D69B P_Fail: H Q681 FN903 FN902 D68P Q682 Q68P IC671 D68Q D69A FN901 Q68A D69C P_Fail: L Q69A P_FAIL Power Error: On SIGNAL/MODE POWER-ON STAND-BY...

  • Page 110: Schematic Diagrams

    Schematic Diagrams TERMOSTAT (SET TO OPEN AT 90+/-5°C) SW902 POWER FACTOR CORRECTION S10B5540N S10B5540N AC CORD POWER C611 C613 1000KK LF901 400GK 1000NH LENS U20B30101 2.2DV AC100-120V (LIVE) C601 C601 L601 L601 C602 C602 F601 VA601 R601 275GM 275GM AC200-240V F35B DB611 1 (LIVE)
  • Page 111 C202 C201 25KZ 25KZ R1001 R1003 Q201 C1001 L1001 R1002 R1004 C200 IN2_R 6.3EM K10V 220WM D1001 R1013 J11MD400G R201 1/16 1/16GJ R200 6.2B GZ0C 100C PC1-R R1016 R231-R233 R231 R202 K10V_39 1/16GJ PC1-R 1/16GJ 1/16GZ0C 1/16GZ0C 1/16GZ0C 100C 1.5KC Q1001 R205 K10V_37...
  • Page 112 D1281 1SS355 J10ML400G P_FAIL P-FAIL PC1/PC2 RGB/COMP K3V_39 PC1-R IC1281 R1284 PC1-G 1/16GJ SI-3012LU-TL K3V_37 390KC PC1-B K3V_35 R1285 C1202 R1201 C1283 C5202 R5201 1/16GF 10KZ1U 1/16GJ 25KZ0.1 100KC R1281 10KZ1U 1/16GJ GQFZ GQFZ 1/16GJ GQFZ T12V 15.5V K3V_29 RX2+ C1282 R1286 R1283...
  • Page 113 "K3V" DIGITAL R228 PTA6 R229 S3.3VAD PTA7 C236 C229 C231 C232 C233 L202 C228 25KZ0.1 25KZ0.1 25KZ0.1 25KZ0.1 25KZ0.1 L2PF2R2MG 25KZ0.1 GQFZ GQFZ GQFZ GQFZ GQFZ GQFZ C237 6.3EM220WM :6.3EM220F1 C226 C227 R223 L203 1/16GJ L2PF2R2MG 16KK0.082 KK8200 470C C6215 C6218 6.3EM100 C239...
  • Page 114 ROMWE IC2371 S3.3V S3.3V IC2341 TC7SZ08FU-(TE85L) R2302 R2303 C2341 R2372 R2341 TC74LCX245FT R2343 1/16 1/16 1/16GZ0C 1/16 1/16 25KZ0.1 GZ0C GZ0C R2381 1/16GJ3.3KC RAMWE GZ0C GZ0C GQFZ DIR_IN J30B RAMOE A1_PW 1640G D_R0 BHEN_N R2371 1/16GZ0C R2342 ROMOE D_R1 D0_PW 1/16 D0_PW D8_PW...
  • Page 115 S3.3V Q1821 R1821 1/16GJ 536P 4.7KC H8_SDA1 H8_SDA1_5 C6202 J10EZ120G 6.3EM L6201 K8A_1 47WM L2PD3R3MG :L2PF3R3MG R6858 Q1822 R1822 IC6211 K8A_2 1/16GJ C6203 K8A_3 R6857 536P 4.7KC M62392FP 25KZ0.1 D6201 1/16GJ H8_SCL1 H8_SCL1_5 R6859 GQFZ K8A_4 1/16GJ R6853 4.7KC R6281 1/16GJ100C K8A_5 Q6844...
  • Page 116 R2561 C2561 C2562 R2563 R2564 D2561 1/8GZ 1/16GJ 1/16GJ 16EM100 25KZ0.1 (D:F1) GQFZ 1SS355 270C 270C P-FAIL 15.5V P_FAIL D2562 1SS355 R2562 1/16GJ IC2566 270C R2567 R2568 R-PANEL R2566 C2566 C2563 C2564 16KZ 16EM100 25KZ0.1 (D:F1) GQFZ 2.2FA IC1401 J11EA321G TC74ACT240FT 3.3V C1401...

  • Page 117: 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 118 MAIN (SIDE:A) LAMP BALLAST “CB2” FN902 KEY SW “K68A” 1AA4B10C3630A R1812 Q1823 Q691 R6604 Q1821 Q1827 C6672 C1811 R6632 R6631 IC1801 R6601 C4811 C68P R1813 R6603 D4812 TP12V2 R1814 R69B R1811 R4861 Q6843 R691 R1889 R1824 R1884 R4834 R692 R1822 C6632 R1355 R1886...
  • Page 119 MAIN (SIDE:B) POWER “K6R” SP901 IC2801 C2802 R2801 C2803 R2802 R1834 R1823 R1821 R1826 C6671 C4808 C6631 C6202 R851 D2892 L6201 R1457 IC1811 R847 C6641 D3882 C857 D3884 R2447 FN901 RB1460 R572 R826 R9806 R1477 R569 C9806 RB1459 C6664 R561 R9822 R453 R562...
  • Page 120 POWER (SIDE:A) POWER (SIDE:B) LF901 L601 VA601 R611 TERMOSTAT PTH611 R612 “SW902” C612 R62T C613 C62T D62R C62F R62R R62M C62E C614 C62C R62B R62C C62B R62D R659 PC642 C641 MAIN “K8R” PC641 R636 FB693 LAMP BALLAST “CB1” DS643 C634 R/C (SIDE:A) LAMP COVER SW (SIDE:A) R/C (SIDE:B)
  • Page 121 KEY SW (SIDE:A) 1AA4B10C3810A A SIDE D6802 MENU SW6808 C6802 R6811 R6809 P-UP SW6807 POWER IMAGE D6804 SW6811 P-RIGHT SW6803 R6806 SW6801 R6818 R6819 R6837 P-LEFT R6836 D6833 SELECT SW6804 SW6806 SW6809 R6821 R6802 C6803 C6801 D6803 R6808 D6831 D6832 P-DOWN INPUT D6801...

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