JVC LX-D1010G - Lcd Projector Service Manual

Lcd data projector

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SERVICE MANUAL
LCD DATA PROJECTOR
CONTENTS
SPECIFICATIONS ・・・・・・・・
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SAFETY PRECAUTIONS ・・・・・・・・
INSTRUCTION MANUAL ・・・・・・・・
1. Field Service ・・・・・・・・
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3. Before Disassembling ・・・・・・・・
4. Removing Major Parts ・・・・・・・・
5. Hyper Terminal Setting Method・・・・・・・・
7. Circuit Adjustment Method ・・・・・・・・
8. About Hidden Commands ・・・・・・・・
9. When replacement of the Main PWB Ass'y is necessary ・・・・・・・・
11. About Indicator Error Displays ・・・・・・・・
12. Entry・・・・・・・・
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No. PA012
Feb.2000

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Summary of Contents for JVC LX-D1010G - Lcd Projector

  • Page 1: Table Of Contents

    LX-D1010G SERVICE MANUAL LCD DATA PROJECTOR LX-D1010G CONTENTS SPECIFICATIONS ・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・ ・ ・ ・ Table-2 ・・・・・・・・ ・・・・・・・・ ・・・・・・・・・ ・ ・ ・ ・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・ ・ ・ ・ ・・ ・・・・・・・・・・・・・・・・・・・・ ・・ ・・ ・・ ・・・・・・・・ ・・・・・・・・ ・・・・・・・・・ ・ ・ ・ ・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・...
  • Page 2: Specifications

    LX-D1010G SPECIFICATIONS ■ ■ ■ ■ GENERAL ■ ■ ■ ■ CONTROL CONNECTORS Type LCD DATA PROJECTOR RS-232C Serial (DIN 8 pin female connector) Outside dimensions 242 × 79 × 294 mm(9.5 × 3.1 × 11.6 inch) USB terminal for Mouse Legs and lens are not included.
  • Page 3: Safety Precautions

    LX-D1010G SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 7. Isolation Check circuits and components specially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the original After re-assembling the product, always perform an isolation design unless authorized in writing by the manufacturer.
  • Page 4 LX-D1010G ■ ■ ■ ■ Warning and caution labels Labels advising of warning and caution are affixed on and in various locations of the product. Take careful notice of these during service and inspection. WARNING Risk of lethal or otherwise serious personal injury. CAUTION Risk of personal injury and damage to the product.
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  • Page 19: Field Service

    LX-D1010G PRODUCT SERVICE PROVISIONS 1. FIELD SERVICE (1) Servicing shall consist of the replacement of major PWBs. In general, there shall be no recycling of used boards. The following table shows the repair method for each part. Parts Name Repair method Parts Name Repair method Power sub PWB Ass’y...
  • Page 20 4. Ordinarily, 4 weeks should be sufficient for the completion of repair in Japan. This period may, however, be somewhat extended due to continued national holidays, 5. Repair charge consists of parts and labor plus other sundry expenses. JVC/PSD 1-2 (PA012)
  • Page 21: Packing Method

    LX-D1010G 2. PACKING METHOD When shipping, always pack projectors as described below. Cautions * * * * Do not send the projector accessory case or accessories when shipping a projector. Store these items carefully until the repairs have been completed. * * * * It is necessary to prepare the shipping cases, etc., required for shipping projectors.
  • Page 22: Before Disassembling

    LX-D1010G 3. BEFORE DISASSEMBLING 3.1. Cautions Before disassembling or reassembling a projector, always read and follow the Safety Cautions found in the front of this manual. (1) Always turn off the power before removing or re-installing parts. Also when turning off the power, wait until the cooling fan stops automatically and then turn off the power switch.
  • Page 23: Removing Major Parts

    LX-D1010G 4. REMOVING MAJOR PARTS 4.1. Removing the Lamp Ass'y 4.2. Removing the Top Case Ass'y Caution (1) Remove 6 Screws C and slowly lift straight up the Top * * * * Immediately after the lamp is turned off, the Lamp Case Ass’y.
  • Page 24 LX-D1010G 4.3. Removing the Lamp Power Unit 4.4. Removing the (Main PWB, Video PWB, Inlet Switch PWB and Terminal Board) (1) Remove the Top Case Ass’y.(see 4.2) Ass'y (2) Remove 4 Hooks D and then slowly lift up the Lamp Power Unit.
  • Page 25 LX-D1010G 4.5. Removing the Main PWB Ass'y, Video (6) Disconnect the Connector E and F of the Thermal Protector and the Connector RE of the Power PWB Ass’y. PWB Ass'y, Inlet Switch PWB Ass'y (7) Remove 5 Screws J and the Inlet Earth. and Terminal Board Screws J (1) Remove the Top Case Ass’y.(see 4.2)
  • Page 26 LX-D1010G 4.6. Removing the Power Ass'y 4.7. Removing the Power PWB Ass'y and the Power Sub PWB Ass'y (1) Remove the Top Case Ass’y.(see 4.2) (2) Remove the Lamp Power Unit.(see 4.3) (1) Remove the Top Case Ass’y.(see 4.2) (3) Remove the (Main PWB, Video PWB, Inlet Switch PWB (2) Remove the Lamp Power Unit.(see 4.3) and Terminal Board) Ass’y.(see 4.4) (3) Remove the (Main PWB, Video PWB, Inlet Switch PWB...
  • Page 27 LX-D1010G 4.9. Removing the Audio PWB Ass'y and 4.11. Removing the Fan (Small) the Speaker (1) Remove the Top Case Ass’y.(see 4.2) (1) Remove the Top Case Ass’y.(see 4.2) (2) Remove 2 Screws Y and then remove the Fan (Small). (2) Disconnect the Connectors SY and SV of the Main PWB Ass’y.
  • Page 28 LX-D1010G 4.13. Removing the LCD Block 4.14. Removing the Exhaust Fan Ass'y Caution (1) Remove the Top Case Ass’y.(see 4.2) * * * * All workers should wear wristbands to prevent static (2) Remove the Lamp Power Unit.(see 4.3) electricity. LCD panels are especially prone to (3) Remove the (Main PWB, Video PWB, Inlet Switch PWB damage from static electricity.
  • Page 29 LX-D1010G 4.15. Removing the Polarizers (6) Remove the Polarizers. Polarizer for G Cautions * * * * The Polarizers are made by adhering polarizing film to a glass plate. Use caution to avoid damaging the Polarizer for B Polarizer for R film and glass plate.
  • Page 30 LX-D1010G 4.16. Adjustments after the Removing the Polarizers or PBS Ass'y Cautions (2) Adjust to balance the light on the screen and the G LCD * * * * Adjust each Mirror locations when the PBS Ass’y or Panel surfaces evenly by moving the part A in the the Polarizers have been replaced or the Optical direction of the arrow.
  • Page 31 LX-D1010G ◎ About the Lamp-on Tool Use the Lamp-on Tool when adjust or check the Optical Ass’y without the Main PWB Ass’y. This tool will be needed mainly when remove the dust on the LCD Block. Operation (1) Perform (1), (3)-(5) and (7) of 4.4. Removing the (Main (8) After finishing the work, turn off the switch of LAMP-ON.
  • Page 32 LX-D1010G Memo 4-10 (PA012)
  • Page 33: Hyper Terminal Setting Method

    LX-D1010G 5. HYPER TERMINAL SETTING METHOD ⑥ This projector uses a communication program of the When the Phone Number dialogue box opens, set the ® ® Microsoft Windows 95 Operating System to control the connection using the port where the RS-232C cable is projector, adjust the circuits and to correct the time that the connected and then click on the OK button.
  • Page 34 LX-D1010G ⑧ (3) Exiting Click on Properties in the File menu to open the Properties dialogue box, then click on Settings and set Click on the Close button in the upper right corner of the Emulation to VT-100. Setting emulation Hyper Terminal window to close Hyper Terminal.
  • Page 35: Personal Computer Connection Method

    LX-D1010G 6. PERSONAL COMPUTER CONNECTION METHOD This projector uses a personal computer to control the projector and adjust the circuits. (1) Equipment requirements ・ Projector ® ® ・ A personal computer with a COM port and the Microsoft Windows 95 Operating System installed. Personal computers without a COM port cannot be used.
  • Page 36 LX-D1010G Memo 6-2 (PA012)
  • Page 37: Circuit Adjustment Method

    ・ LX-D1000&D1010 Adjustment Video Source software (necessary when a personal computer is used to input test signals into the projector, not necessary when using an XGA signal generator). This software can be downloaded from JS-Net*1 on the Internet. *1: http://gisa.yh.jvc-victor.co.jp/ (2) Connection Method XGA signal generator...
  • Page 38 LX-D1010G (4) Adjustment ① Connect a XGA signal generator or personal computer to the RGB-IN jack of the projector. When using a personal computer as an XGA signal generator, provide another set of personal computer to input adjustment commands (adjustment values). In short, we need two sets of personal computers in total. ②...
  • Page 39 LX-D1010G              ,                  ,                  ,           ) (PA012) 7-3...
  • Page 40 LX-D1010G [LCD panel drive adjustment circuit] Purpose of adjustment: To minimize flicker on the images 3. Flicker Symptom when adjustment is incomplete: Flicker appears in the images. Input signal Refer to the chart below *1 Perform this adjustment only when the flicker is prominent in the video after either the Main PWB Ass’y or the LCD Block has been replaced.
  • Page 41 LX-D1010G [Gamma correction circuit] Purpose of adjustment: To optimize the white balance of the images 4.1 White balance (50%) Symptom when adjustment is incomplete: Colors are added to monochrome image. Input signal No. 05 All white 50% *1 Perform this adjustment only when the Color Balance is lost of gray signal (50%) after either the Main PWB Ass’y or the LCD Block has been replaced.
  • Page 42 LX-D1010G [Gamma correction circuit] Purpose of adjustment: To optimize the white balance of the images 4.2 White balance (20%) Symptom when adjustment is incomplete: Colors are added to monochrome image. Input signal No. 06 All white 20% *1 Perform this adjustment only when the Color Balance is lost of gray signal (20%) after either the Main PWB Ass’y or the LCD Block has been replaced.
  • Page 43: About Hidden Commands

    LX-D1010G 8. ABOUT HIDDEN COMMANDS The buttons of the Operation Unit can be ] button [POWER] button [▲] button operated to acquire data concerning the projector and, when a personal computer AUTO POSITION is connected, to also change some of the POWER HIDE data.
  • Page 44 LX-D1010G 8.2 Function Menu 1) Display method ① Turn on the main power switch. ② Press [POWER] button to turn on the lamp. ③ Select the LANGUAGE of the OPTION Menu. ④ Press the key of the Remote Controller in order of [STILL], [+], [ENTER] to display the FUNCTION MENU.
  • Page 45 LX-D1010G 9. WHEN REPLACEMENT OF THE MAIN PWB ASS'Y IS NECESSARY When replacement of the Main PWB Ass’y becomes necessary, it is necessary to write the adjustments data and the lamp time etc. recorded in the old Main PWB Ass’y to the new Main PWB Ass’y. Refer to the command tables about various commands. The following information is about the LAMP TIME by way of example.
  • Page 46 LX-D1010G Adjustment Command Table Contents Read Write Data Remarks Commands Commands Range Ghost Ghost R 00~1829 00~1829[D][D] 08-0C Record the value of 2 figures of the lower part in the data. Ghost G 00~182B 00~182B[D][D] 08-0C Record the value of 2 figures of the lower part in the data. Ghost B 00~182D 00~182D[D][D] 08-0C Record the value of 2 figures of the lower part in the data.
  • Page 47: Using The Warning Acquisition Software

    ・ The RS-232C cable provided with the projector. ・ Warning History Acquisition software [Pcgc7e(XGA).exe] and [pcgc7e(xga).ini] (This software ban be downloaded from Internet JS-Net: http://www.gisa.yh.jvc-victor.co.jp/. Install [pcgc7e(xga).ini] file in the Windows folder.) 2) Program startup ① Before using the RS-232C cable to connect, make sure the power supplies of the projector and personal computer are turned off.
  • Page 48 LX-D1010G 3) Warning status When the program starts, warning data will be acquired automatically from the projector and the results will be displayed. The item in which an error has occurred will be checked in the check box. If the warning data cannot be acquired correctly, the data will not be displayed in the main dialogue box.
  • Page 49: About Indicator Error Displays

    LX-D1010G 11. ABOUT INDICATOR ERROR DISPLAYS This projector has a self-diagnosis function. When a projector malfunction is detected, the operation unit indicator will indicate an error. Indicator AUTO POSITION POWER HIDE CONPUTER LAMP SOURCE VIDEO VOLUME TEMP MENU ENTER 1) Diagnosing ・...
  • Page 50 LX-D1010G Preferential Indicator Display Symptom Failure Check Point Reset Order POWER LAMP TEMP Reference Red/Green Green No power on IIC bus 1 failure (EEPROM) Main IC705 Auto ICLK0, IDA0 alternately Red/Green Orange No power on STBY power Power SD Connector Main Main STBYR5 (SD-8)
  • Page 51: Entry

    LX-D1010G 12. ENTRY Errors are checked in accordance with the following flow chart. Advance to the flow chart for the relevant item on the following pages. Start ・External checkout External checkout Checks for external problems (case damage, etc). (See page 12-2) ・...
  • Page 52 LX-D1010G 1) External checkout Perform the checks after turning off the power and Start disconnecting the power cable and connecting cables. Top Case Ass’y/Bottom Case Unit ・ Is there any damaging, deformation or cracks due to dropping, etc.? ・ Is it screwed tightly? ・...
  • Page 53 LX-D1010G 2) Internal cable connection checkout ・ Perform the checks after turning off the power and disconnecting the power cable and connecting cables. Top Case Ass’y, removal ・ Indicate the connectors as follows: CN: (Name of connector) ・ Main PWB Ass’y CN: ST Operation Unit ・...
  • Page 54 LX-D1010G 12-4 (PA012)
  • Page 55 LX-D1010G (PA012) 12-5...
  • Page 56 LX-D1010G 12-6 (PA012)
  • Page 57 LX-D1010G (PA012) 12-7...
  • Page 58 LX-D1010G 7) Video system ! ! ! ! Check the Lamp lighted. ! ! ! ! Check the indicator lights normally when the main power switch is turned on. (POWER: Green, LAMP: Green) ! ! ! ! Check that the input signal is normally and When the video does not appear normally appropriate.
  • Page 59: Lead Wire Wiring Diagram

    LX-D1010G 13. LEAD WIRE WIRING DIAGRAM Clamp the lead wires along the clamping zone shown in the diagram below. The clamping zone indicates where the lead wires are to be routed and clamped. Cautions * The inner wires are clamped so that they do not come close to heat generating or high voltage parts. After servicing route all wires in their original position.
  • Page 60 LX-D1010G Lead dress when attaching each part Put the thick lead wire from the lamp power into the gap so that it to SN never sticks out of the barrier. Do to SF to SZ not run this lead wire into the Power Ass’y in order to secure an air duct.
  • Page 61 LX-D1010G (PA012) 14-1...
  • Page 62 LX-D1010G 14-2 (PA012)
  • Page 63 LX-D1010G (PA012) 14-3...
  • Page 64 LX-D1010G 14-4 (PA012)
  • Page 65 LX-D1010G (PA012) 14-5...
  • Page 66 LX-D1010G 14-6 (PA012)
  • Page 67: Block Diagrams

    LX-D1010G 15. BLOCK DIAGRAMS (PA012) 15-1...
  • Page 71: Parts List

    LX-D1010G PARTS LIST Packing and Accessory Assembly 2, 3, 4, 5, 6, 9, 10 13, 14, 15, 17, 18, 19 Packing Parts List PART No. PART NAME, DESCRIPTION PART No. PART NAME, DESCRIPTION M-802B716O10 ACCESSORY CASE M-802B755O10 PACKING CASE (LX-D1010G) M-246C383O10 AC POWER CORD M-831D190O10 PACKING SHEET M-246C383O20 AC POWER CORD (for Europe)
  • Page 72 LX-D1010G Final Assembly M 1 × 6 × 2 × 1 × 1 × 2 × 2 15 16 × 4 × 6 × 2 × 1 × 1 × 1 Parts-2 (PA012)
  • Page 73 LX-D1010G Parts List (Final Assembly M 1 ) REF No. PART No. PART NAME, DESCRIPTION M-759A003O40 TOP CASE ASS'Y M-669D561O20 SCREW×6 M-439C049O60 OPERATION UNIT - INLET EARTH M-669D329O10 SCREW×2 - METAL BOARD A M-669D564O30 SCREW×1 M-935D529O01 PREAMP PWB ASS'Y M-669D564O30 SCREW×1 -...
  • Page 74 LX-D1010G (Main PWB, Video PWB, Inlet Switch PWB and Terminal Board) Ass’y M 2 Soldering × 1 × 4 × 3 × 2 × 1 × 2 × 3 Parts List (Main PWB, Video PWB, Inlet Switch PWB and Terminal Board Ass’y M 2 ) REF No.
  • Page 75 LX-D1010G Power Ass’y M 3 × 1 × 2 Parts List (Power Ass’y M 3 ) PART No. PART NAME, DESCRIPTION PART No. PART NAME, DESCRIPTION - SUB POWER HOLDER M-935C921O01 POWER SUB PWB ASS'Y M-669D329O10 SCREW×1 M-621C827O10 POWER HOLDER (F) -...
  • Page 76 LX-D1010G Audio Ass’y M 4 ×2 ×1 Parts List (Audio Ass’y M 4 ) REF No. PART No. PART NAME, DESCRIPTION M-480P052O10 SPEAKER M-650P200O60 SCREW×2 - AUDIO HOLDER M-935C923O01 AUDIO PWB ASS'Y M-669D329O10 SCREW×1 Parts-6 (PA012)
  • Page 77 LX-D1010G Memo (PA012) Parts-7...
  • Page 78 LX-D1010G Optical Ass’y M 5 × 2 × 2 × 8 × 2 × 2 × 2 × 2 × 1 × 4 × 3 × 2 × 2 × 6 Parts-8 (PA012)
  • Page 79 LX-D1010G Parts List (Optical Ass’y M 5 ) REF No. PART No. PART NAME, DESCRIPTION FAN (Small) M-499D007O70 SCREW×2 M-669D212O30 - OPTICAL COVER M-669D540O20 SCREW×6 SCREW×8 M-669D212O10 M-499D008O10 THERMAL PROTECTOR SCREW×2 M-669D220O10 M-499D007O10 LCD BLOCK M-669D329O10 SCREW×3 BLOWER (Intake) M-499D007O50 SCREW×2 Attached to No.10 -...
  • Page 80 LX-D1010G Inside of the Optical Ass’y M 6 Install Direction Light source side (Lamp side) POLARIZER(R, G, B) Plane Plane Uneven Film side Projection lens side Parts List (Inside of the Optical Ass’y M 6 ) REF No. PART No. PART NAME, DESCRIPTION M-499D007O80 PBS ASS’Y M-499D007O40 POLARIZER (R, G, B)
  • Page 82 VICTOR COMPANY OF JAPAN, LIMITED Projection System Department 1644 Shimotsuruma, Yamato, Kanagawa, 242-8514, Japan LX-D1010G Printed in Japan VP 0002...

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