Toshiba P503DL Service Manual
Toshiba P503DL Service Manual

Toshiba P503DL Service Manual

Data wall projection unit

Advertisement

Quick Links

SERVICE MANUAL
DATA WALL PROJECTION UNIT
P503DL
CONTENTS
1

Advertisement

Table of Contents
loading

Summary of Contents for Toshiba P503DL

  • Page 1 SERVICE MANUAL DATA WALL PROJECTION UNIT P503DL CONTENTS...
  • Page 2: Table Of Contents

    SAFETY PRECAUTIONS FOR USER ·············································· 3 7. Function in Special mode···········································31 7-1. Auto-Adjust On-Off················································31 PRECAUTIONS FOR USE AND MAINTENANCE ···························· 8 7-2. Picture in Picture···················································31 7-3. OSD color·····························································31 GENERAL DESCRIPTIONS ····························································· 9 7-4. Power On delay ····················································31 FEATURES ·················································································· 9 7-5.
  • Page 3: Safety Precaution

    SAFETY PRECAUTION WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions on this projector. The following are the necessary precautions to be observed before servicing this chassis. 1. An isolation Transformer should be connected in the power line between the projector and the AC line before any service is performed on the projector.
  • Page 4: Safety Precautions For User

    When installing or move the equipment: WARNING Installation or transportation of this equipment shall be entrusted to vendors qualified by " Toshiba Lightning and Technology ". Installation and transportation by parties other than qualified dealers may result in injury or damage of the equipment.
  • Page 5 SAFETY PRECAUTIONS FOR USER Equipment Use WARNING Do not remove the rear cabinet cover, as there are high-voltage parts in the unit. Touching components inside may result in electric shocks. End user should not repair or reconstruct the equipment. Never attempt to do so, otherwise fire disaster or electric shocks may result. For repair, contact your dealer. Do not damage, break, modify, bend forcibly, tug, twist, bundle, place heavy weights on or heat the power cable.
  • Page 6 SAFETY PRECAUTIONS FOR USER For servicing, maintenance and inspection WARNING If dust or dirt is visible on the blades or the blade clamping face of the power plug, clean the plug or blade clamping face before connection. Otherwise, fire may occur due to lowering of insulation of the power plug. CAUTION Make a mai ntenance contract with the dealer and entrust the dealer with periodical inspection and adjustment.
  • Page 7 SAFETY PRECAUTIONS FOR USER Make sure to provide ground line from the ground terminal of the power plug. Otherwise, electric shocks may result. Always calculate the total loading of any installed equipment and ensure that the power supply, (sockets or other outlets) are suitable for the installation.
  • Page 8: Precautions For Use And Maintenance

    PRECAUTIONS FOR USE AND MAINTENANCE Request to User Plastic Screen The P503DL screen is made of a plastic material and can be easily scratched. During manufacture and packing, every care is taken to ensure that no hard objects that could scratch or otherwise cause damage are allowed to touch the screen when opening the carton box and taking out the product.
  • Page 9: General Descriptions

    GENERAL DESCRIPTIONS FEATURES Digital Light Processing (DLP ) by Texas Instruments P503DL is a projection unit using the Texas Instruments’ Digital Mirror Device (DMD) optical element. The DLP , Digital Light Processing engine is constructed with the DMD chip, with XGA resolution. Input capability From PC video output card, SVGA signal is best suitable but some others are also compatible.
  • Page 10: P503Dl Dimensions

    P503DL DIMENSIONS Size: mm (inch) Front Rear 1016 (40.0) 0.5 (0.02) 0.5 (0.02) Side 550 (21.7) 550 (21.7)
  • Page 11: Function Of I/O Panel

    FUNCTION OF I/O PANEL O U T DIGITAL SIGNAL LINK R G B 2 R G B I N P U T RGB 1 POWER F A N L A M P R E M O T E O U T C O N T R O L R S - 2 3 2 C VIDEO O U T...
  • Page 12: Function Of Power Panel

    FUNCTION OF POWER PANEL Note 1: The AC outlet supplies un-switched power source to a second unit in a multi-projection system. Do not use it for any other purpose. Serial connection AC INLET ( 2 ) using this power outlet must be maximum of four units including the 1st unit.
  • Page 13: Specifications

    SPECIFICATIONS Model name P503DL Type 50-inch rear projection unit Acceptable signals Refer to page 13 and page 14. Image device 1 chip XGA Digital Mirror Device Double Data Rate type Light source 100W/120W switch selectable UHP lamp Resolution 1024 x 768 dots (Include part hidden with screen frame) Brightness 500cd/m (Typ.) by 120W operation...
  • Page 14: Acceptable Signal Type

    ACCEPTABLE SIGNAL TYPE The following are acceptable input signal types. Projection unit automatically distinguishes mode according to frequency of input signal. All the signals accepted are displayed on screen with 1024x768 dot by internal resolution converter. The Digital Signal Link function may not support NTSC/PAL/SECAM signal supplied from RGB-1 and RGB-2 input terminal.
  • Page 15 ACCEPTABLE RGB INPUT SIGNAL TIMING Following are acceptable RGB input signal timings which have been tested by Toshiba. These are timings checked on the RGB input terminals of projection unit. If signal supplied is not exactly the same as one of the followings but is simile to one, it may be accepted by adjustment of projection unit.
  • Page 16: Connection At A Multi-Projection System

    XGA50 1024 x 768 1024 1344 40.30 50.0 54.163 XGA60 1024 x 768 1024 1344 48.363 60.004 XGA70 1024 x 768 1024 1328 56.476 70.069 XGA75 1024 x 768 1024 1312 60.023 75.029 78.75 XGA85 1024 x 768 1024 1376 68.677 84.997 94.5 MAC19 1024 x 768...
  • Page 17 Note: Maximum length of the RS232C cable in total length is about 20-30 meters. If the length becomes much more than its specification, the communication error may occur. When some miss-reading of commands start to occur, then use better quality wire than its standa rd may reduce trouble and possible to extend the communication wire length.
  • Page 18 screen lock is un-locked and open before attaching the screen. This is an example of 4 sets attached together by 2x2 configuration. When 4 sets are combined together with the screws fastened, a gap between cubes becomes small and also stable for entire wall. The internal locking screws need to be fastened while front screen has removed, carefully watching frame of each cubes.
  • Page 19: Disassemble

    DISASSEMBLE 1. HOW TO REPLACE THE LAMP Turn off the power switch and disconnect AC cord. Make loose 3 screws at the lamp door. Open Lamp door as right picture arrows show. 3) Rotate Locking Lever as shown as arrow (1) below. 4) Gently pull the lamp housing to the right as picture below, Lamp door screws...
  • Page 20: Air Filter

    AIR FILTER Air filter needs to be maintained periodically by washing it or replace when the filter is damaged. 1) Turn off the power switch and remove one screw. 2) Lift up and pull the air filter case from its pocket as arrow in the picture shows.
  • Page 21: Location Of Key Components And Function Module

    4. LOCATION OF KEY COMPONENTS AND FUNCTION MODULE D L P? ? ? ? (1)..? ? ? ? ? DLP Light Engine This illustration indicates the key components (2)..D M D ? ? ? ? (1) Projection Lens (3)..
  • Page 22 WIRING BETWEEN FUNCTION BLOCKS Note: Colors of drawing are not Representing the color of wires Note: 100W/120W lamp power selection ** selection of lamp power while lit will damage lamp** At the left side of the optical engine, there is a slide switch located and indicated that the lamp power switch is set to 100W position.
  • Page 23: Light Engine Block

    6. LIGHT ENGINE BLOCK CAUTION Be careful to prevent the ESD (Electro Static Discharge) before touching the DLP Engine. If ESD happened, important key components including DMD device may easily damaged. This electro-static destruction will not be covered by Texas Instruments guarantee. For ESD prevention, use conductive wrist strap and connect the wire to the metal frame of the projection engi ne.
  • Page 24: Engine Mount Adjustment Preparation

    ADJUSTMENT Locate the screw at the lens barrel to adjust focus Rotate thumb screw to counter clockwise, then move the screw head to and fro to rotate so that lens focus can be adjusted. Tighten the same screw to clockwise to fix the adjustment. Engine mount adjustment preparation Before doing Engine Mount mechanical adjustment, it is better to adjust an electronic position adjustment at the center.
  • Page 25 4) Picture rotation adjustment Make loose of (J) screw and rotate the screw (A) and (B) to the same amount but the opposite direction so that picture rotation can be changed. If rotated to the same direction Vertical position will change. Tighten (J) after the adjustment.
  • Page 26: Electronics Adjustment Or Setting

    Upper portion Pin-cushion adjustment This adjustment is to bent the mirror and make the adjustment, do not over do it. This adjustment is easy to do while cube is not assembled to wall but even assembled, it is possible to perform removing the screen of the cube, attached on it. Important Notice: Do not exceed the adjustment too much, when mechanism comes to an end of its adjustment area, there is no stopper mechanism provided and further forcing to do so will make fatal damage to the...
  • Page 27: Input Signal Selection

    This remote control is compatible for most of Toshiba data-wall display cube. The GUI of cube commander is also similar layout of the push buttons so that once the position of these key pads are getting familiar, both can be used without any difficulty.
  • Page 28: Adjust Mode

    3-2. Adjust Mode Press ADJUST to enter Adjust Mode. To exit Adjust Mode press ADJUST twice (one press will request confirmation that you wish to exit Adjust Mode). 3-3. Saving adjustments Adjusted value will be memorized into its non-volatile memory when WRITE button is clicked. In case if the new adjustment value is not acceptable, simply shut off the power by rocker switch so that this new adjusted value will be erased and go back to “before adjustment”...
  • Page 29: Clock Frequency Adjustment And Phase Adjustment

    Display flat field test signal and press “cutoff” or “drive”, then adjustment is possible. In case of “offset” and “Gain” adjustments are placed at early signal process area and internal test signal is generated later stage than this adjustment, thus flat field test signal needs to generate from PC.
  • Page 30: Image Orientation

    Image, they cannot be changed. Get into Special mode by SPECIAL and 7 buttons will guide to this feature. PIP picture position can be changed by arrow keys. 3-14. Image Orientation The image orientation can be flipped up, down, left and right using the FLIP key. 3-15.
  • Page 31: Selecting I

    5-3 Selecting I.D. If using Cube Commander software simply select the two digits I.D. for the cube you wish to control. If using remote control it is necessary to press ID.SEL to access the correct menu for I.D. selection and control. If ID.ALL is pressed instead of an alpha-numeric key ‘X’...
  • Page 32: Screen Mode Lock

    The DMD element, TI Driver DDP1000 and DAD1000 form DDR chip set, a Texas Instruments products. Signal send out timing from TI driver to DMD is programmed to suit Toshiba filter wheel which is based on good color reproduction even having white portion for so called “non-flicker” ignition.
  • Page 33: Power Supply Pcb

    The lamp used is UHP 100/120W, driven by the ballast, this lamp/ballast combination is made by Philips enables to select lamp power for 100W or 120W by mechanical slide switch. Do not replace the lamp with other model, a reflector which focuses the lamp b eam is designed for DLP use, with light tunnel application.
  • Page 34 LAMP Broken ON (green) ON (green) Blink 0.2 SEC (green) Interlock ON (green) ON (green) Blink 0.5 SEC (green) FAN NG ON (green) Blink 0.2 SEC Before light the Lamp (green) Normal ON (green) ON (green) ON (green) Preparation Blink (red) ON (green) 0.5 SEC Lamp shutdown...
  • Page 35: Overall Block Diagram

    Overall block diagram Note: DVI signal Link output is converted to XGA/60 signal Note: RS232C is connected to PW166B Scaler Lamp ballast is using reduced flicker ignition system, use specified lamp listed in the parts list Note: When color balance adjustment is necessary, this is a small hint to perform. 1.
  • Page 36 Appendix-2 Control via RS-232C – Command Protocol list Table –1 RS-232C pin-connection configuration Pin No Signal name Signal items I/O (in projector) Not used Reception data Output Transmission data Input DTR* Data terminal ready Input Signal ground Ground DSR* Data set ready Output RTS** Transmission request...
  • Page 37 Apply 4 Apply custom setting 4 Apply 5 Apply custom setting 5 Apply 6 Apply custom setting 6 Apply 7 Apply custom setting 7 Apply 8 Apply custom setting 8 Apply 9 Apply custom setting 9 Table : 3 ADJUST MODE (Command to be used in ADJUST MODE) Item Contents Key(CMD**)
  • Page 38 Table 4 : SERVICE MODE (Command to be in SERVICE MODE ) Item Contents Key(CMD**) User picture effect Memory User Memory read out 0 + 1-9 Show or update Mag pattern 1-9 Switches OSD mute on or off Screen Mode Lock Switching force timing 0: no force timing A: force timing A...
  • Page 39: Trouble Shooting Hints

    Input E Input F ADJUST Exits ID MODE (return to ADJUST MODE ) ID.SEL Select ID Appendix-3 Trouble shooting hints 1. When lamp does not light a. Lamp will turn on but shut-off by itself within a short period of time This is one of the symptom when the lamp becomes to its life end.
  • Page 40 5. When color wheel motor needs to replace a. When color becomes different or will not synchronize, color wheel motor may oil or replace. b. It may be better to remove optical engine. Then follow as below pictures show. Color wheel motor black plastic Plastic cover removed cover located at the center Color wheel motor removed...
  • Page 41: Parts List

    PARTS LIST Location No Description A101 23429090 CABINET, P503DL CABINET K L-Mirror Assy S-Mirror Assy 70381150 Mirror P500DL(S) 23528376 Holder -Latch C3-803 Back-Panel Tilt Back-Panel Lamp A102 SCREEN ASSY P503DL A021 23890089 ADJUSTER, TILT TABLE A701 23067691 CARTON, CASE A702 23946322 PACKING, PACKING MATERIALS 1-SET A703...

Table of Contents