Canon LV-X2U/D78-5352 Service Manual
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Canon LV-X2U/D78-5352 Service Manual

Canon LV-X2U/D78-5352 Service Manual

Canon power projector lv-x2j d78-5351; lv-s2j d78-5361, multimedia projector lv-x2u d78-5352; lv-s2u d78-5362; lv-x2e d78-5353; lv-s2e d78-5363
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SERVICE MANUAL

By Portable Document Format
LV-X2U/D78-5352
LV-X2E/D78-5353
LV-S2U/D78-5362
LV-S2E/D78-5363
DY8-1785-351 500
0
PREFACE
General
1
2
Repair
Adjustment
3
4
Parts Catalog
Electrical Diagrams
5

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Summary of Contents for Canon LV-X2U/D78-5352

  • Page 1: Service Manual

    English Edition PREFACE General SERVICE MANUAL Repair By Portable Document Format Adjustment LV-X2U/D78-5352 Parts Catalog LV-X2E/D78-5353 Electrical Diagrams LV-S2U/D78-5362 LV-S2E/D78-5363 DY8-1785-351 500...
  • Page 2 CANON Power Projector LV-X2J D78-5351 LV-S2J D78-5361 CANON Multimedia Projector LV-X2U D78-5352 LV-S2U D78-5362 LV-X2E D78-5353 LV-S2E D78-5363 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 PREFACE 1. Service Manual Composition This manual contains information on servicing the product. It has the following sections. Part 1 General Information Provides the basic information needed to understand the product. Operating instructions are not included. Refer to the product's instruction book if necessary.
  • 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 Major Features ..................1-2 2. SPECIFICATIONS ................... 1-3 2.1 Type ......................1-3 2.2 LCD panel ....................1-3 2.3 Optical box ....................1-3 2.4 Mechanism ....................
  • Page 7 4.3 Main Board and Sub-Board Removal ............2-7 4.4 Power Supply Unit and Fan (FN903) Removal ........2-7 4.5 AV Unit and Fan (FN907) Removal ............2-8 4.6 Lamp Ballast Unit Removal ..............2-8 4.7 Optical Unit, Fan (FN901) and Fan Louver Removal ......2-9 4.8 Air Duct and Fan Removal ...............

  • Page 8: Part 1: General Information

    Part 1 General Information...

  • Page 9: Features

    In addition, the newly developed LCD panel improves efficiency of using light, and the Canon's original optical box with a 3P prism provides the same level of brightness as the previous model at a lower cost.

  • Page 10: Major Features

    Newly-developed 1.4× wide zoom lens The wide projection lens is equipped with a ×1.4 power-driven zoom that is the highest magnification in the industry by using the Canon's latest optical design technology. The 100" screen size is supported in the range 2.8 to 4.0m.

  • Page 11: Specifications

    Part 1: General Information 2. SPECIFICATIONS (Model-specific items are underlined.) 2.1 Type Micro-portable LCD Projector 2.2 LCD panel 1. Type : Polysilicon active matrix TFT LV-X2: with microlens; LV-S2: with no microlens 0.7 model (4:3 aspect ratio) × 3 2. Size/number: LV-X2: 1024 ×...

  • Page 12: Connectors

    (A power cord for Japan, United States or Europe is supplied.) 2.9 Replacement Parts 1. Canon replacement lamp (LV-LP15) (LV-X2) Recommended lamp replacement time: 1000 hours * Time when residual rate of 50% and illuminance maintenance rate of 50% are maintained 2.

  • Page 13: Options

    Part 1: General Information 2.10 Options 1. Remote control with mouse laser LV-RC01 2. Mouse control cable LV-CA25 (PS/2), LV-CA26 (serial), LV-CA27 (ADB) 3. Canon ceiling mount fitting LV-CL06 Hanger for ceiling mount...

  • Page 14: Nomenclature

    Part 1: General Information 3. NOMENCLATURE 3.1 Nomenchtor: See the attached sheet (Owner's Manual, page 7). 3.2 Top controls: See the attached sheet (Owner's Manual, page 16). 3.3 Rear panel terminals: See the attached sheet (Owner's Manual, page 11). 3.4 Computer Input terminal / Control port connector: See the attached sheet (Owner's Manual, page 43).

  • Page 15: Commentary

    4. COMMENTARY 4.1 Optical System High brightness and high contrast are implemented at a low cost by a newly designed ×1.4 wide zoom lens and an improved LCD panel, combined with the Canon's unique 3P prisms. ×1.4 wide zoom lens A wide zoom lens with a short focal length of 20.3 mm and high magnification of ×1.4...

  • Page 16: Design

    Part 1: General Information Flesh color correction The image is processed so that the color of the skin of persons on the screen is real. When this function is turned on, gradations are changed to the flesh color is set to the preset value.

  • Page 17: Connection Diagram

    Part 1: General Information 5. CONNECTION DIAGRAM 5.1 Connection to the computer: See the attached sheet (Owner's Manual, page 12). 5.2 Connecting to the video equipment: See the attached sheet (Owner's Manual, page 13).

  • Page 18: Setting-Up The Projector

    Part 1: General Information 6. SETTING-UP THE PROJECTOR 6.1 Positioning the projector: See the attached sheet (Owner's Manual, page 9). 6.2 Installation precautions: See the attached sheet (Owner's Manual, page 10). 1-10...

  • Page 19: Supported Computer System Mode

    Part 1: General Information 7. SUPPORTED COMPUTER SYSTEM MODE See the attached sheet (Owner's Manual, page 23). 1-11...

  • Page 21: Part 2: Repair Information

    Part 2 Repair Information...

  • Page 22: 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 23: Lamp Replacement

    Part 2: Repair Information 2. LAMP REPLACEMENT LAMP REPLACE indicator illumination When the lamp is approaching the end of its life cycle, the LAMP REPLACE indicator (yellow) lights. If the image is dark or color is unnatural, the lamp should be replaced. The LAMP REPLACE indicator lights whenever the projector is turned ON until the lamp is replaced.
  • Page 24 Part 2: Repair Information Reset the lamp replacement monitor timer. When the Lamp Replace Counter is reset, the LAMP REPLACE Indicator (yellow) stops lighting. How to reset the lamp replacement monitor timer. 1. Turn the projector on. Press the MENU button to display the ON-SCREEN MENU. Press the POINT LEFT/RIGHT buttons to position the pointer at the setting menu icon.

  • Page 25: Circuit Protections

    Part 2: Repair Information 3. CIRCUIT PROTECTIONS This projector is equipped with the following circuit protections. 3.1 Fuse A fuse is attached to the power supply. When the LAMP indicator or the READY Fuse indicator is illuminated, the fuse is normal. Check the fuse as follows: 1.
  • Page 26 Part 2: Repair Information 2) Thermal Switch (SW902) When the internal temperature of the lamp or projector rises abnormally, the thermal switch (SW902) located in the projector turns off the power supply automatically. Reset the thermal switch manually. To reset it, unplug the AC cord from the outlet, open the top cabinet, and press the reset button.

  • Page 27: Mechanical Disassemblies

    Part 2: Repair Information 4. MECHANICAL DISASSEMBLIES 4.1 Cabinet - Top Removal Be careful not to damage Hook. Cabinet-top is being fixed with cabinet- CAUTION front by hook. Top cabinet 1. Remove five screws A and B. 2. Grasp the rear both ends of Hook Cabinet-front with both hands, and slightly pull upward.

  • Page 28: Main Board And Sub-Board Removal

    Part 2: Repair Information 4.3 Main Board and Sub-Board Removal Remove the 7 screws holding the main board and remove it. Then, remove the 3 screws holding the sub-board, and remove it. Main Board Sub-Board Fig. 2-6 4.4 Power Supply Unit and Fan (FN903) Removal Remove the 7 screws holding the power supply unit and the 2 screws holding the fan and then remove the...

  • Page 29: Av Unit And Fan (Fn907) Removal

    Part 2: Repair Information 4.5 AV Unit and Fan (FN907) Removal Remove the 5 screws holding the AV unit AV unit and the 3 screws holding the fan and remove the AV unit and fan. FN907 Fig. 2-8 4.6 Lamp Ballast Unit Removal Remove the 6 screws and then remove Lamp ballast the lamp ballast unit.

  • Page 30: Optical Unit, Fan (Fn901) And Fan Louver Removal

    Part 2: Repair Information 4.7 Optical Unit, Fan (FN901) and Fan Louver Removal 1. Remove 8 screws and remove the FN901 optical unit. 2. Remove 3 screws and remove the fan and louver. Louver Optical unit Fig. 2-10 4.8 Air Duct and Fan Removal Duct FR Remove the screws and parts as follows:...

  • Page 31: Lens And Panel Prism Assembly Removal

    Part 2: Repair Information 4.9 Lens and Panel Prism Assembly Removal Remove 4 screws and remove the lens. Remove 3 screws and remove the panel prism assembly. 1. Never disassemble the panel prism assembly. Do not subject to any strong shock. Otherwise, the assembly gets damaged. CAUTION 2.

  • Page 32: 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 WARNING to darken or color to blur. If this occurs, clean the inside of optical unit. Remove dust and other particles using air spray.

  • Page 34: Part 3: Adjustment

    Part 3 Adjustment...

  • Page 35: Precautions For Adjustment

    Part 3: Adjustment 1. PRECAUTIONS FOR ADJUSTMENT 1.1 Service Mode Circuits are adjusted on the service mode screen. To enter the service mode Service mode Normal mode To enter the service mode, press and hold Press "MENU" and "IMAGE" or the "MENU"...

  • Page 36: Service Mode Adjustment Items

    Part 3: Adjustment 1.3 Service Mode Adjustment Items Adjustment Input Mode Adjustment Description Item No. No specification Component 2.3. Red signal center DC voltage adjustment 2.3. Green signal center DC voltage adjustment 2.3. Blue signal center DC voltage adjustment 2.4. Red contrast adjustment 2.4.

  • Page 37: Ic Adjustment Data

    Part 3: Adjustment 1.4 IC Adjustment Data Service S2 E Default NAME Device Address Video Detail YCbCr NTSC R-VIDEOCNT M62398P/FP G-VIDEOCNT M62398P/FP Signal center DC voltage adjustment B-VIDEOCNT M62398P/FP R-SubGain CXD3526GG 2004h G-SubGain CXD3526GG 2005h Contrast adjustment B-SubGain CXD3526GG 2006h R-SubBright CXD3526GG 2007h...
  • Page 38 Part 3: Adjustment Service S2 E Default YCbCr Video NAME Device Address Detail NTSC Sensor Stop TempNodeReal 10-90 Shut Down1 TempNode 10-90 Shut Down2 TempNode 10-90 Shut Down3 TempNode 10-90 Shut Down2-1 TempNode 0-50 Shut Down3-1 TempNode 0-50 OverTempCount TempNode SensorErrorCount TempNode TempDeltaErrorCount...
  • Page 39 Part 3: Adjustment Service S2 E Default YCbCr Video NAME Device Address Detail NTSC Expand Ratio (Vertical) 720p Expand Ratio (Horizontal) 720p For Component mode Position (Horizontal) 720p Position (Vertical) 720p Expand Ratio (Vertical) 1035i Expand Ratio (Horizontal) 1035i For Component mode and RGB HDTV 1035i Position (Horizontal) 1035i Position (Vertical) 1035i Expand Ratio (Vertical) 1080i...
  • Page 40 Part 3: Adjustment Service X2 E Default NAME Device Address YCbCr Video Detail NTSC R-VIDEOCNT M62398P/FP G-VIDEOCNT M62398P/FP Signal center DC voltage adjustment B-VIDEOCNT M62398P/FP R-SubGain CXD3526GG 2004h G-SubGain CXD3526GG 2005h Contrast adjustment B-SubGain CXD3526GG 2006h R-SubBright CXD3526GG 2007h 10:0 G-SubBright CXD3526GG 2008h...
  • Page 41 Part 3: Adjustment Service X2 E Default Video NAME Device Address YCbCr Detail NTSC SensorErrorCount TempNode TempDeltaErrorCount TempNode TempDeltaEnableRange TempNode 48-160 48:3ºC - 160:10ºC 0.0625ºC/step Sampling TempNode 3:1.5sec - 9:4.5sec 0.5sec/step n × 30Sec Cooling Time TempNode InitialLevel TempNode 80-255 InitialTime TempNode 1-30...
  • Page 42 Part 3: Adjustment Service X2 E Default NAME Device Address YCbCr Video Detail NTSC Expand Ratio (Vertical) 60Hz Expand Ratio (Horizontal) 60Hz RGB NTSC Position (Horizontal) 60Hz Position (Vertical) 60Hz Expand Ratio (Vertical) 50Hz Expand Ratio (Horizontal) 50Hz RGB PAL Position (Horizontal) 50Hz Position (Vertical) 50Hz Expand Ratio (Vertical) 50Hz...

  • Page 43: Electrical Adjustments

    Part 3: Adjustment 2. ELECTRICAL ADJUSTMENTS 2.1 Fan Voltage Adjustment Measuring equipment ....Digital voltmeter Test point ......TP66A - ground Enter the service mode. 1. Set adjustment item to "76". Set data value to "1". (Fan voltage minimum) 2. Set adjustment item to "94". Set data value to "1". 3.

  • Page 44: Signal Center Dc Voltage Adjustment

    Part 3: Adjustment [For LV-S2U / LV-S2E] Item no. Adjustment part Adjustment value DC level-A in a figure 3.8V ± 0.1 V-DC.0 DC level-B in a figure 10.0V ± 0.5 V-DC. Fig. 3-3 2.3 Signal Center DC Voltage Adjustment Measuring equipment ....Digital voltmeter Input mode ......Computer Input signal ......16-step gray scale Enter the service mode.

  • Page 45: Contrast Adjustment

    Part 3: Adjustment 2.4 Contrast Adjustment Measuring equipment ....Oscilloscope Input signal ......16-step gray scale Enter the service mode. Adjust part A of the signal waveform at each test point to the minimum with the VOLUME +/- button. 1. Enter computer input mode and input a 16-step gray scale signal. Item No.

  • Page 46: Gain (Signal Amplitude) Adjustment

    Part 3: Adjustment 2.5 Gain (Signal Amplitude) Adjustments Equipment......Oscilloscope Input signal ......16 step gray scale signal Enter the Service mode. Adjust the amplitude of part A to be below value for each test point by the Volume + or - button.

  • Page 47: Flicker Adjustment

    Part 3: Adjustment 2.6 Flicker Adjustment Input mode ......Computer Input signal ......1-dot line computer signal Enter the service mode. Minimize flicker on each color screen with the VOLUME +/- button. Item No. Screen Red screen Green screen Blue screen 2.7 White Balance Adjustment Input signal ......16-step gray scale Enter the service mode.

  • Page 48: Color Shading Correction

    Part 3: Adjustment 2.9 Color Shading Correction If you find color shading on the screen, perform color shading correction. To do this, use a proper computer and "Color Shading Correction" software. The software is supplied with this service manual. * This model LV-X2/S2 does not need optical adjustments. Replace the following units: PART NO.

  • Page 49: Test Points Locations

    Part 3: Adjustment 3. TEST POINTS LOCATIONS TEST POINTS LOCATION TP-66A TP-R1 TP-SIG1 TP-G1 TP-B1 VR5601 ASSY PWB MAIN Fig. 3-6 3-15...

  • Page 50: Option Resistors

    Part 3: Adjustment 4. OPTION RESISTORS This model is decided the Option Resisters on the main board as shown below list. If these resistors are not proper, the set does not operate correctly. CAUTION Refer to the parts list for order. Location Value R1840 / R1840A...

  • Page 51: Circuit Block Diagram

    Part 3: Adjustment 5. CIRCUIT BLOCK DIAGRAM Main Board AV Board IC7102 PC/Component IC8201/2/3 IC201 Video Switch Buffer A/D Converter R(4) PC-RGB Computer In G(5) B(11) CR/R(1) CR/R(7) CB/B(9) CB/B(15) Y(6) Y, Pb, Pr Video Y/G(8) Y/G(22) Pb(12) Component In Pr(3) IC7101 IC5101...

  • Page 52: Power Supply Lines

    Part 3: Adjustment 6. POWER SUPPLY LINES Lamp Ballast AC In Power Unit Interlock Switch Thermostat Switch PE:Power Error Line Main Unit IC822 IC822 IC301 K56N D5610 IC1804 15.5V D6601-7 Power ON/OFF Q6603 (FAN Drive) D5601 D5611 Sub Unit K56M For Panel IC5611 D2502...

  • Page 53: Power Source List Of Ic

    Part 3: Adjustment 7. POWER SOURCE LIST OF IC Type Volt Pin No. Location Type Volt Pin No. Location (Main Unit) (Main Unit) IC4801 3.3V IC1822 IC4802 IC1823 IC4803 IC1825 IC3801 IC1826 IC3871 IC301 IC3841 2.5V IC301 IC871 IC6101 IC881 3.3V IC6101 IC891...
  • Page 54 Part 3: Adjustment Type Volt Pin No. Location (Sub Unit) SYNC 5V IC7271 IC7272 SWD 3.3V IC401 SWD 2.5V IC401 SWD 15.5V/5V IC1501 IC1531 IC1561 IC501 IC531 IC561 SYNC 5V IC7271 IC7272 SWD 3.3V IC401 SWD 2.5V IC401 SWD 5V 20,21 IC3561 IC410...

  • Page 55: Troubleshooting

    Part 3: Adjustment 8. TROUBLESHOOTING When the projector does not light, check the projector following procedure. Connect project power cord into AC outlet. Check if Lamp Indicator lights in red and Ready Indicator lights in green. Both are not lighting. Check power cord connected properly and Lamp Replacement cover is closed.
  • Page 57 Part 4 Parts Catalog...

  • Page 59: Part 4: Parts Catalog

    Multimedia Projector LV-X2U / LV-S2U REF.NO.D78-5352 / D78-5362 LV-X2E / LV-S2E D78-5353 / D78-5363 Power Projector LV-X2J / LV-S2J D78-5351 / D78-5361 PARTS CATALOG CONTENTS Page1: Mechanical parts Page2: Optical parts & Electorical parts Page3: Electorical parts Page4: Cable & Label Page5: Attached parts...
  • Page 60 Page 1 LV-S2J CANON LV-X2J REF. No. D78-5351 D78-5361 LV-S2U LV-X2U D78-5352 D78-5362 D78-5353 D78-5363 LV-S2E LV-X2E...
  • Page 62 Page 2 LV-S2J CANON LV-X2J REF. No. D78-5351 D78-5361 LV-S2U LV-X2U D78-5352 D78-5362 D78-5353 D78-5363 LV-S2E LV-X2E FN901 SW904 FN906 FN902 FN905 FN904...
  • Page 64 Page 3 LV-S2J CANON LV-X2J REF. No. D78-5351 D78-5361 LV-X2U LV-S2U D78-5352 D78-5362 D78-5353 D78-5363 LV-S2E LV-X2E A300 A400 A1000 FN907 A901 A601 SP901 FUSE FN903 SW902 A2800...
  • Page 68 Page 5 LV-S2J CANON LV-X2J REF. No. D78-5351 D78-5361 LV-X2U LV-S2U D78-5352 D78-5362 D78-5353 D78-5363 LV-S2E LV-X2E...

  • Page 73: Part 5: Electrical Diagrams

    Part 5 Electrical Diagrams...

  • Page 74: Parts Description And Reading In Schematic Diagram

    Part 5: Electrical Diagrams 1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM 1. The parts specification of resistors, capacitors and coils (values, power, voltage, material, characteristics, etc.) are expressed in designated code. Please check the parts description by the following code table. 2.
  • Page 75 Part 5: 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...

  • Page 76: Diode, Transistor And Ic Pins

    Part 5: 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 77: Schematic Diagrams

    I Schematic Diagrams (0.7 XGA 2nd) A2801 K28D U22B0030G R2801 LV-X2U / LV-X2E / LV-X2J J10EG040G 1/16GJ K28D1 K28D2 VOUT J10EG K28D3 R2802 D2802 1/16GJ100C 040G D2801 C2802 REMOTE KK470 C2801 GQBY 10KZ1U CONTROL GQFZ PRE-AMP ASSY,PWB,R/C SP901 A10B22900 J10EP 030G J10EP 030G...
  • Page 78 S-VIDEO/Y. VIDEO VIDEO R7101 R7102 C7101 16EM IC7101 SWITCH NJM2284MP C7102 16EM R7127 1/16GZ R7104 R7103 S/CV_SW (IC1804 17P) GND3 VIDEO (IC5101 75P) R1016 R7126 VIDEO L1001 1/16GJ 1/16GZ CG-R (IC5101 73P) ANLG L7121 R7129 1/8GZ000 R1001 R1003 1/16GZ D1001 1/16GJ 1/16GJ C1001...
  • Page 79 C5104 16KZ 3.3V 0.22GQF C5171 C5105 PC_ON 16EM KK1500 L251 IC251 L2A9 R47MG C5106 CJ390 TC74VCX125 C5170 TP51070 25KK VCLK_ON (IC301 144P) 0.047GQ RB5106 R251 R5101 C5122 1/16GZ 1/16GJ R252 16KZ R253 0.22GQF 1/16GZ 1/16GZ VUV0 VIDEO C5165 C5108 PCLK_ON (IC301 76P) R5192 16EM...
  • Page 80 K56N J10DT500G J10EP050G K8L_1 K56N1 POWER_FAIL 15.5V K8L_3 K56N2 DRE0 D5610 1SS355 K8L_5 K56N3 DRE1 K8L_7 DRE2 DRE3 K8L_9 FCNT1 K56N5 K22V K8L_11 DRE4 J10DT200G K8L_15 TPB1 DRE5 J30B K8L_17 TPB2 TPB1F 1640G DRE6 D5601 DRE7 K8L_19 TPB2F TPG1 1SS355 J30B K8L_21 TPG1F...
  • Page 81 IC9801 3.3V R9816 3.3V PDIUSB C9801 1/16GJ 3.3V R9814 1.5KC TP802 IC1351 TP801 1/16GZ R9823 J30B D12PWP 3.3V J30B 1640G Q9802 R9817 IC1801 1640G TC74LCX244FT C1351 1/16GJ 470C 25KZ IC1802 C1802 USBSW TC7SH04FUP: C807 L1301 (IC301 135P) 25KZ C1301 25KZ R802 GQFZ C1303...
  • Page 82 Sample & Hold C516 C515 L503 6.3EM220 25KZ0.1 L2A73R3MG (WM:F1) C513 C512 GQFZ L501 25KZ0.1 16EM 100D L2A9R47MG IC440 IC430 GQFZ 15.5V HD74HCT244TV HD74HCT244TV C517 10KZ1U L502 SN74HCT244PWR SN74HCT244PWR GQFZ L2A9R47MG VCOM_B R506 C511 R512 R511 R513 25KZ0.1 1/16GZ 1/16GZ C428 C427 1/16GZ...

  • Page 83: Printed Wiring Board Diagrams

    I Printed Wiring Board Diagrams CAUTION (0.7 XGA & SVGA 2nd) 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 84 Main Board (SIDE:A) Main Board (SIDE:B) FN906 FN902 R/C Unit K28D Speaker Sub Unit FN901 K72Y C3811 K66D K66C K72S K66B L7121 IC7206 IC7101 R7152 TP7104 C7102 IC7203 C005 C010 TP7106 R7154 TP7201 R7101 R7147 D6602 R7171 C7151 R7106 Q7172 R7176 R7172 C012...

  • Page 85: Schematic Diagrams (0.7Svga 2Nd)

    I Schematic Diagrams (0.7 SVGA 2nd) A2801 K28D U22B0030G R2801 J10EG040G 1/16GJ K28D1 LV-S2U / LV-S2E / LV-S2J K28D2 VOUT J10EG K28D3 R2802 D2802 1/16GJ100C 040G D2801 C2802 REMOTE KK470 C2801 GQBY 10KZ1U CONTROL GQFZ PRE-AMP ASSY,PWB,R/C SP901 A10B22900 J10EP 030G J10EP 030G...
  • Page 86 R7101 R7102 VIDEO C7101 S-VIDEO/Y.VIDEO 16EM IC7101 SWITCH NJM2284MP C7102 16EM R7127 1/16GZ R7104 R7103 GND3 S/CV_SW (IC1804 17P) R7126 VIDEO (IC5101 75P) 1/16GZ R1016 VIDEO L1001 1/16GJ R7129 (IC5101 73P) CG-R ANLG L7121 1/16GZ 1/8GZ000 R1001 R1003 D1001 C1001 GND2 R7128 1/16GJ...
  • Page 87 3.3V C5104 16KZ C5171 0.22GQF L251 16EM IC251 L2A9 C5105 R47MG KK1500 TC74VCX125 TP51070 VCLK_ON (IC301 144P) C5170 25KK 0.047GQ R251 R5101 C5106 C251 C5122 1/16GZ 1/16GJ 16KZ CJ390 R252 25KZ0.1 R253 0.22GQF 1/16GZ GQFZ 1/16GZ VIDEO C5165 C5108 R5192 16EM KK1500 PCLK_ON...
  • Page 88 J10DT500G K8L_1 K8L_3 DRE0 K8L_5 DRE1 K8L_7 DRE2 K8L_9 DRE3 K22V K8L_11 DRE4 J10DT200G K8L_15 DRE5 TPB1 J30B K8L_17 TPB1F DRE6 TPB2 1640G K8L_19 TPB2F TPG1 DRE7 J30B K8L_21 TPG2 TPG1F 1640G DRE8 K8L_23 TPG2F TPR1 DRE9 J30B MUTE (IC1803 12P) TPR2 TPR1F 1640G...
  • Page 89 IC9801 3.3V R9816 3.3V C9801 1/16GJ TP802 PDIUSB 3.3V R9814 1.5KC TP801 J30B IC1351 1/16GZ R9823 D12PWP 3.3V J30B 1640G Q9802 R9817 IC1801 1640G C1351 1/16GJ TC74LCX244FT 470C 25KZ TC7SH04FUP: IC1802 C1802 USBSW C807 L1301 (IC301 135P) 25KZ C1301 25KZ R802 GQFZ C1303...
  • Page 90 C516 C515 L503 6.3EM220 25KZ0.1 L2A73R3MG (WM:F1) C513 C512 Sample & Hold GQFZ L501 25KZ0.1 16EM 100D L2A9R47MG GQFZ IC440 IC430 15.5V HD74HCT244TV HD74HCT244TV C517 10KZ1U L502 SN74HCT244PWR SN74HCT244PWR GQFZ VCOM_B L2A9R47MG R506 C511 R512 R511 AFTER SW R513 25KZ0.1 1/16GZ 1/16GZ R2504 R2505...

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