Toshiba TLP-X4500 Service Manual
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Toshiba TLP-X4500 Service Manual

3lcd projector
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FILE NO. 330-200404

SERVICE MANUAL

3LCD PROJECTOR

TLP-X4500
Document Created in Japan Jul.,2004

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Summary of Contents for Toshiba TLP-X4500

  • Page 1: Service Manual

    FILE NO. 330-200404 SERVICE MANUAL 3LCD PROJECTOR TLP-X4500 Document Created in Japan Jul.,2004...

  • Page 2: Table Of Contents

    TLP-X4500 (P5XMLA) SERVICE MANUAL Warning The technical information and parts shown in this manual are not to be used for: the development, design, production, storage or use of nuclear, chemical, biological or missile weapons or other weapons of mass destruction; or military purposes; or purposes that endanger global safety and peace.

  • Page 3: Features

    TLP-X4500(P5XMLA) 1. Features Ultra High Brightness Partial Magnification Function Whisper Mode Equipped Keystone Distortion Correction User Memory Function Optical Lens Shift 2. Specifications Drive system TFT active matrix Liquid Crystal Panel size 2.5cm (0.99 type) Panel Number of pixels 1024 (H) × 768 (V)

  • Page 4: Names Of Each Part

    TLP-X4500(P5XMLA) 3. Names of each part Parts names Projector Control Panel KEYSTONE S-VIDEO indicator STANDBY/ON button and STANDBY/ON VIDEO indicator SEARCH M1-D INPUT ZOOM buttons indicator LENS SHIFT FOCUS ZOOM TEMP indicator FOCUS buttons RESET LAMP indicator KEYSTONE button COMPONENT...

  • Page 5: Remote Control

    TLP-X4500(P5XMLA) Remote control 1 STANDBY/ON button 20 LASER INDICATOR 21 VIDEO button LASER INDICATOR 22 RGB button 4 LENS SHIFT buttons STANDBY/ON VIDEO 23 BLANK button 24 ASPECT button 6 SEARCH button LENS SHIFT FOCUS ZOOM 25 LASER button –...

  • Page 6: Adjustment

    TLP-X4500(P5XMLA) 4. Adjustment 4-1 Before adjusting 4-1-1 Selection of adjustment Table 4-1: Relation between the replaced part and adjustment When any parts in the table 4-1 are changed, Adjustment Replaced White Color choose the proper adjusting items with the chart.
  • Page 7 When a ghost appears to the left of a vertical line, reduce the value by some steps as below.) TLP-X4500: 2 steps 2. In the same way, use DAC-P - GHOST-G: in the FACTORY MENU to adjust so that G color ghost is at a minimum.
  • Page 8 TLP-X4500(P5XMLA) 4-4 NRSH adjustment (vertical stripe adjustment) Signals for internal adjustment Adjustment procedure 1. Make this adjustment after completing the adjustment in 4-3 Flicker adjustment. 2. Use DAC-P - NRSH - R: in the FACTORY MENU to adjust so that the vertical lines spaced every 6...
  • Page 9 TLP-X4500(P5XMLA) 4-6 Color uniformity adjustment Preparations 1. Perform these adjustments after the white 6. To temporarily turn correction off, place the balance adjustment described in Section 4-5. cursor on [C.UNIF.] in the Adjust Tone menu and 2. Make a color uniformity adjustment for the press the [ ] key.
  • Page 10 TLP-X4500(P5XMLA) Adjustment procedure 1 (when a color differential meter is used) 1. First adjust [MID-L] tone [G:]. 9. Similarly, measure adjustment points [No.3] to [No.17] and adjust their color coordinates 2. Select adjustment point [No.2][G:]. When the background is not [G] monochrome, starting in order from the small number points.
  • Page 11 TLP-X4500(P5XMLA) Adjustment procedure 2 (visual inspection) 1. First adjust [MIN] tone [G:]. 6. View measurement points [No.2], [No.3], 2. Select [No.2] [G:]. [No.10] and [No.11]. Adjust the [R] and [B] of If the background is [G] monochrome, press the each measurement point so that they have the [ENTER] key on the Remote control transmitter same color as measurement point [No.1].
  • Page 12 TLP-X4500(P5XMLA) 4-7 AIR-SENSOR adjustment When the PWB assembly DRIVE or the PWB assembly DUST SENSOR is replaced, perform this adjustment after completing reassembling the projector. 1. Before this adjustment, clean the air filter and make sure the projector is compretely assembled.

  • Page 13: Troubleshooting

    TLP-X4500(P5XMLA) 5. Troubleshooting Check points PWB assembly REMC SPEAKERS (TEMP. SENSOR) E807 E808 EW51 TP-FS2 ESPL TP-FS E804 E806 ESPR E811 E803 P601 E802 PWB assembly DRIVE E800 E305 E805 Q801 Collector E801 E304 E303 E809 CHV34 CHV35 E302 CHV36...
  • Page 14 TLP-X4500(P5XMLA) Power can not be turned on Are voltage Disconnect input on the PWB TSW from Power unit Open assembly Drive at (circuit). And check standby mode? TSW short or open? E800 : +16.5V E800 : +15V Short E800 : +4V...
  • Page 15 TLP-X4500(P5XMLA) Lamp does not light Is the voltage at collector What is the state of Light of Q801 on the PWB assembly PWB assembly Drive LAMP indicator DK52 Drive fixed to "L" during warming-up? "L" = 0V Not light Light Change the lamp.
  • Page 16 TLP-X4500(P5XMLA) Picture is not displayed when the RGB signal is input Check at operating mode Change the Are signal IS01 on the PWB input at each pin on the assembly Signal. PWB assembly Is it repaired? Drive? TPX29 : R signal...
  • Page 17 TLP-X4500(P5XMLA) No sound Check at operating mode (Make sure the state of MUTE and Volume, and the setting of SPEAKER in OPTION menu) Are voltage input at each pin on the PWB Power unit (circuit) assembly Drive? E800 : +16.5V E800 : +15.0V...
  • Page 18 TLP-X4500(P5XMLA) Can’t communicate with computer via NETWORK terminal. Check at operating mode Does the Lamp Is the computer Make sure Network on lower right corner of the connected with the hardware between the Network connector light projector directly? computer and the projector.

  • Page 19: Service Points

    TLP-X4500(P5XMLA) 6. Service points 6-1 Lead free solder [CAUTION] This product uses lead free solder (unleaded) to help preserve the environment. Please read these instructions before attempting any soldering work. CAUTION Always wear safety glasses to prevent fumes or molten solder from getting into the eyes. Lead free solder can splatter at high temperatures (600˚C).
  • Page 20 TLP-X4500(P5XMLA) 6-2 Before replacing the LCD/LENS PRISM assembly (or LCD/PRISM assembly) You should not replace separately the parts of the liquid crystal LCD/LENS PRISM assembly because it works properly only when used together. Therefore, regarding these parts, you can either replace part, LCD/...
  • Page 21 TLP-X4500(P5XMLA) 6-4 Air filter WARNING • Please carefully read the “User’s Manual - Safety Guide. • Before caring, make sure the power switch is off and the power cable is not plugged in, then wait at least 45 minutes for the lamp to cool suffi ciently.
  • Page 22 fi rmly. Loose screws could result in damage or injury. • Use only the lamp of the specifi ed type. TLP-X4500: TLPLX45(DT00603) • If the lamp breaks soon after the fi rst time it is used, it is possible that there are electrical prob- lems elsewhere besides the lamp.
  • Page 23 TLP-X4500(P5XMLA) Replacing the Lamp If the indicators or a message prompts you to replace the lamp, replace the lamp as soon as possible. 1. Turn off the projector, and unplug the power cord. Allow the lamp Lamp cover Lamp cover knob bulb to cool for at least 45 minutes, and prepare a new lamp.
  • Page 24 TLP-X4500(P5XMLA) Replacing the Lens 5. Mount the replacement lens. 1. Slide the lamp cover lock to unlock the lamp cover and then grasp the projecting part of the (1) Align the red mark on the lens with the red mark on the lens holder and insert the lens lamp cover to lift it open.

  • Page 25: Other Care

    TLP-X4500(P5XMLA) 6-7 Other care WARNING • Please carefully read the “User’s Manual - Safety Guide”. • Before caring, make sure the power switch is off and the power cable is not plugged in. • Be cautious of high temperature. Do not touch about the lens and ventilation openings during use or immediately after use prevent a burn.
  • Page 26 TLP-X4500(P5XMLA) 6-8 Notice of AUTO adjustment Use of AUTO adjustment with the image through RGB input optimizes V_POSI, H_POSI, H_SIZE and H_PHASE automatically. In case that projected image has dark tone around its peripheral, AUTO operation sometimes makes artifacts in the image, shifts capture area and so on. Those failures are caused by period of image data is not exactly distinguished to period of blanking on signal processing.

  • Page 27: Related Messages

    TLP-X4500(P5XMLA) 6-9 Related messages When the unit's power is ON, messages such as those shown below may be displayed. When any such message is displayed on the screen, please respond as described below. Message Description CHANGE THE LAMP Lamp usage time is approaching 2000 hours. (*2) Preparation of a new lamp, and an early lamp change is recommended.

  • Page 28: Regarding The Indicator Lamps

    TLP-X4500(P5XMLA) 6-10 Regarding the indicator lamps ATTENTION • When the interior portion has become overheated, for safety purposes, the power source may be auto- matically turned off, and the indicator lamps may also be turned off. In such a case, press the "○" (OFF) side of the power switch, and wait at least 45 minutes.
  • Page 29 TLP-X4500(P5XMLA) 6-11 HIDDEN SERVICE menu To display the OSD for “HIDDEN SERVICE” menu set up. HIDDEN SERVICE By the control panel By the remote control transmitter FILTER TIME 1. Display the menu by the “MENU” 1. Display the menu by the “MENU”...

  • Page 30: Wiring Diagram

    TLP-X4500(P5XMLA) 7. Wiring diagram...
  • Page 31 TLP-X4500(P5XMLA)
  • Page 32 TLP-X4500(P5XMLA)
  • Page 33 TLP-X4500(P5XMLA)
  • Page 34 TLP-X4500(P5XMLA)
  • Page 35 TLP-X4500(P5XMLA)
  • Page 36 TLP-X4500(P5XMLA)

  • Page 37: Disassembly Diagram

    TLP-X4500(P5XMLA) 8. Disassembly diagram M : Meter screw T : Tapping screw...
  • Page 38 TLP-X4500(P5XMLA) M : Meter screw T : Tapping screw...
  • Page 39 TLP-X4500(P5XMLA) Cautions when disassembling the projector The Keyboard board is installed on the Upper case. When removing, lift carefully without excessive force to prevent damaging cables and connectors. Keyboard board E303, E304 When removing the Drive board, there might be damage to the flexible cables of LCD panels and two board- to-board connectors.

  • Page 40: Replacement Parts List

    TLP-X4500(P5XMLA) 9. Replacement Parts list PRODUCT SAFETY NOTE : Components marked with a have special characteristics important to safety. Before replacing any of there components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don't degrade the safety of the projector through improper servicing.

  • Page 41: Rs-232C Commands

    TLP-X4500(P5XMLA) 10. RS-232C communication Connecting the cable (1) Turn off the projector and the computer power supplies. (2) Connect the CONTROL port of the projector with a RS-232C port of the computer by a RS-232C cable. Use the cable that fulfills the specification shown in the following figure.
  • Page 42 TLP-X4500(P5XMLA) Requesting projector status (Get command) (1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes)+‘00H’+‘00H’) from the computer to the projector. (2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer. Changing the projector settings (Set command) (1) Send the setting code Header + Command data (‘01H’+‘00H’+ type (2 bytes) + setting code (2 bytes))

  • Page 43: Command Data Chart

    TLP-X4500(P5XMLA) Command data chart Command data Names Operation type Header Action Type Setting code BE EF 06 00 B9 D3 02 00 07 20 00 00 Keystone V Increment BE EF 06 00 DF D3 04 00 07 20 00 00...
  • Page 44 TLP-X4500(P5XMLA) Command data Names Operation type Header Action Type Setting code ENGLISH BE EF 06 00 F7 D3 01 00 05 30 00 00 FRANÇAIS BE EF 06 00 67 D2 01 00 05 30 01 00 DEUTSCH BE EF...
  • Page 45 TLP-X4500(P5XMLA) Command data Names Operation type Header Action Type Setting code BE EF 06 00 EF F6 01 00 B3 30 05 00 BE EF 06 00 7F F7 01 00 B3 30 04 00 BE EF 06 00 4F F5...
  • Page 46 TLP-X4500(P5XMLA) Command data Names Operation type Header Action Type Setting code BE EF 06 00 0D 83 02 00 00 21 00 00 V Position Increment BE EF 06 00 6B 83 04 00 00 21 00 00 Decrement BE EF...
  • Page 47 TLP-X4500(P5XMLA) Command data Names Operation type Header Action Type Setting code BE EF 06 00 26 72 01 00 06 22 01 00 MIDDLE BE EF 06 00 D6 72 01 00 06 22 02 00 Video NR HIGH BE EF...
  • Page 48 TLP-X4500(P5XMLA) Command data Names Operation type Header Action Type Setting code BE EF 06 00 31 D3 02 00 01 20 00 00 Volume Increment BE EF 06 00 57 D3 04 00 01 20 00 00 Decrement BE EF...
  • Page 49 TLP-X4500(P5XMLA) Command data Names Operation type Header Action Type Setting code BE EF 06 00 FE 22 01 00 00 23 00 00 Large BE EF 06 00 6E 23 01 00 00 23 01 00 PinP Size Small BE EF...
  • Page 50 TLP-X4500(P5XMLA) Command data Names Operation type Header Action Type Setting code Last Ch BE EF 06 00 9E D9 01 00 18 20 10 00 M1-D BE EF 06 00 AE D4 01 00 18 20 03 00 BE EF...

  • Page 51: Block Diagram

    TLP-X4500(P5XMLA) 11. Block diagram...

  • Page 52: Connector Connection Diagram

    TLP-X4500(P5XMLA) 12. Connector connection diagram CNTH E950 1 PWB COMPONENT ESM2 EV01 E302 PWB assembly DRIVE 2 assembly 16 WIRED_RC 1 VIDEO-IN ET01 17 W_RC_SW 2 SENSOR 18 CHIME_CTL 3 CHIME CNRM ER01 Cb/Pb E806 1 PWB AUD.L 2 REMOTE1 2 assembly...

  • Page 53: Basic Circuit Diagram

    TLP-X4500(P5XMLA) 13. Basic circuit diagram Parts with hatching are not mounted.
  • Page 54 TLP-X4500(P5XMLA) Basic circuit diagram list PWB assembly SENSOR PWB assembly DRIVE 9 PWB assembly REMOTE CONTROL PWB assembly DRIVE 10 PWB assembly SW PWB assembly DRIVE 11 POWER UNIT BALLAST PWB assembly DRIVE 12 POWER UNIT CIRCHIT PWB assembly DRIVE 13...
  • Page 55 T O S H I B A C O R P O R A T I O N 1- -1, SHIBAURA 1- - CHOME, MINATO - - KU, TOKYO 105 -- 8001, JAPAN...

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