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Toshiba TLP510U Service Manual

3lcd data projector
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FILE NO. 330-9706
SERVICE MANUAL
3LCD DATA PROJECTOR
TLP510U, TLP511U
TLP510E, TLP511E
TLP511U
PRINTED IN JAPAN, Nov., 1997
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  • Page 1 FILE NO. 330-9706 SERVICE MANUAL 3LCD DATA PROJECTOR TLP510U, TLP511U TLP510E, TLP511E TLP511U PRINTED IN JAPAN, Nov., 1997...

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ..............i IMPORTANT PRECAUTIONS ............i IMPORTANT SAFETY INSTRUCTIONS ........ii SECTION 1 PART REPLACEMENT AND ADJUSTMENT PROCEDURES 4. ELECTRICAL ADJUSTMENT ..........1-12 1. LOCATION OF MAIN PARTS ..........1-1 2. LOCATION OF PC BOARDS ............ 1-1 4-1.

  • Page 3: Location Of Main Parts

    SECTION 1 PART REPLACEMENT AND ADJUSTMENT PROCEDURES 1. LOCATION OF MAIN PARTS TLP511U/E PC300 Camera Unit Assembly P100 Thermal Lead Switch PC302 FL Lamp B180 Lamp House SC01 Arm Position Detection Switch Z100 Exhaust Air Fan E200 Optical Mirror Box P800 Main Power Block Inter Lock Switch P200 Speaker...

  • Page 4: Disassembling

    CAUTIONS BEFORE STARTING SERVICING Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a proper grounding treatment as required. Many screws are used inside the unit. To prevent missing, dropping, etc. of the screws, always use a magnetized screwdriver in servicing.
  • Page 5 3-1-3. Drive PC Board and F-REM PC Board Digital PC board 1. Remove 1 screw (1) and remove reinforcement metal plate. 2. Remove 6 screws (2) securing drive PC board. 3. Remove 3 flexible cables (3) from LCD panel and 2 flexible cables (4) from the rear side.
  • Page 6 3-1-6. Optical Box and Air Suction Fan Screws (2) 1. Remove drive PC Board. (Refer to Fig. 3-1-3.) 2. Remove lamp house assembly. (Refer to Fig. 3-1-5.) 3. Remove 2 screws (1) and remove PC board holder Main power bracket. supply block 4.

  • Page 7: Main Unit (2) - Optical Box

    3-2. Main Unit (2) – Optical Box 3-2-3. LCD Block, LCD Plate and LCD Panel Note: 3-2-1. Lens • Do not touch the LCD panels with your bare fingers. 1. Remove optical box. (Refer to Fig. 3-1-6.) Wear white cotton gloves when working with the panels. 2.
  • Page 8 < How to mount a new LCD > < Service jig > 1. When mounting a red LCD, mount it on the red LCD • Focus adjust jig : 23974761 plate (No.23796019) or when mounting a blue LCD, mount it on the blue LCD plate (No.23796018) so that the FPC section faces upward and main unit side faces downward.
  • Page 9 5. If the focus or raster geometry is changed, when 6. Feed a white raster signal through RGB connectors tightening the screws holding the LCD mount, loosen and turn on the power of the projector. (If a signal the screws slightly and readjust. generator which provides a white raster signal is not available, turn on the power without connecting the 6.
  • Page 10 11. Fill a quick dry adhesive at joint of the LCD mount. In 12. Leave the LCD block until the adhesive is hardened this case, sufficient care will be necessary so that the for a required time. In this case, place a thin paper on adhesive does not stick to the LCD panel surface or the LCD block to prevent dusts from entering.
  • Page 11 < Green LCD adjustment > 7. If the focus or raster geometry is changed, when 1. Confirm connection of the LCD panel (if not con- tightening the screws holding the LCD mount, loosen nected, connect the LCD to the connector of the PC the screws slightly and readjust.

  • Page 12: Document Camera Section (Tlp511U/E)

    3-3. Document Camera Section 6. Remove rubber packing (7) and filter (8) from camera assembly. (TLP511U/E) 3-3-1. Camera Section Cover 1. Remove 5 screws (1) and remove camera section cover. Screws (4) Connector Screws (5) Camera video PC board Connector Rubber Stay (6) packing (7)
  • Page 13 3-3-5. Switch PC Board and Inverter PC Board 1. Remove document camera. (Refer to Fig. 3-1-1.) Screws (2) Lower FL cover 2. Remove arm assembly. (Refer to Fig. 3-3-5.) 3. Remove 1 screw (1) and pull out inverter PC board FL lamp unit from base cover.

  • Page 14: Electrical Adjustment

    (2) Default status setting 4. ELECTRICAL ADJUSTMENT 1) Connect computer and boot adjustment software. < Test Equipments and Test Jigs > 2) Set contrast & brightness at the default. • Oscilloscope (Refer to owner’s manual) • Digital voltmeter • Adjustment software TLP511.EXE TLP511 Control program for factory's adjustment V2.0 Exit Normal...
  • Page 15 < Adjustment Locations and Adjustment Items > 1-1. Pedestal level adjustment 1-2. Gray scale level adjustment 1-3. Video signal input level adjustment 2-3. Bias adjustment 3 PL010 Q302 Q301 Q311 TP302 TP301 Q305 Q304 Q307 T19 T20 Q515 Q309 Q308 Q705 Q702 Q502...
  • Page 16 Table 4-1-1 Test Adjust Items Input Signal Equip- Test Point Adjust Key Adjust Value Note ment 1. Input level adjustment 1-1. Pedestal level RGB signals Oscillo- T13 (R) • See the • Select and adjust until adjustment (pedestal level) scope T15 (G) illustration right.
  • Page 17 Test Adjust Items Input Signal Equip- Test Point Adjust Key Adjust Value Note ment 4. Reference adjustment 4-1. Reference RGB signals Digital T01 (R) 6V (coarse adjustment) adjustment 1 (gray scale) voltmeter T02 (G) 6V (coarse adjustment) T03 (B) 6V (coarse adjustment) 4-2.
  • Page 18 P101 with the adjustment cable, and connect the (500W x 2) Halogen lamp camera output jack to the video monitor. 4. Toshiba camera adjustment chart 4. Connect the D-SUB9 pin connector of adjustment Color bar chart (PN70909322) cable and COM1 port of the personal computer with a 5.
  • Page 19 < Service Adjustment Software Boot Up > < Adjustment Locations and Adjustment Items > 1. Start the personal computer. 4-1-1. FB adjustment 2. Check the camera power is on. 3. Boot up the adjustment software (K48ADJ). 4. Check a screen menu obtained on the computer monitor.
  • Page 20 4-1-2. CCD Adjustment 4-1-4. WB Adjustment • Test point : Video output Note: • Test equipment : TV monitor, vector scope, waveform This adjustment should be made only when the CCD is monitor replaced. Before replacing the CCD, fill in the CCD back side marking on the specified location of the Lens PCB.
  • Page 21 3. Click the button on the C gain group, and 4-1-6. Camera Shipping Adjustment Level Adjust check the luminance level of the white section is • Test point : –– automatically set to 100 ± 10%. If not, move the chart •...
  • Page 22 This page is not printed. 1-20...
  • Page 23 1-1. Replacing Subminiature "CHIP" Parts 1-1-4. Removal (Transistors, Diodes, etc.): 1. Melt the solder of one lead. 1-1-1. Required Tools: 1. Fine tipped, well insulated soldering “pencil”, about TWEEZERS 30 Watts. 2. Tweezers. 3. Blower type hair dryer. Fig. 1-1-4 1-1-2.
  • Page 24 1-2. Precautions for Part Replacement • In the schematic diagram, parts marked (ex. • Using the parts other than those specified shall F801) are critical part to meet the safety regulations, violate the regulations, and may cause troubles such so always use the parts bearing specified part codes as operation failures, fire etc.

  • Page 25: Pc Boards

    1-5. Inductor Indication ... Η Unit None µ ... µH ... mH 10µ Tolerance None ... ±5% ... ±0.1% ... ±0.25% ... ±0.5% Type Tolerance ... ±1% ... ±2% ... ±10% Fig. 1-5-1 ... ±20% Type ... Peaking For other, model name is described. 1-6.
  • Page 26 2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM VMCOM DIGITAL UNIT POWER To-DRIVE To-DRIVE LAMP LAMP POWER POWER POWER TEMP 36P FPC 3P 2P DRIVE/ Pitch 0.5mm 3.5mm S-VIDEO Stereo mini jack MICROCOMPUTER/ (Audio out) SPEAKER FAN CONTROL Pin jack AUDIO/VIDEO UNIT F-REM D-sub 9 pin (V, L, R)

  • Page 27: Parts List

    SECTION 3 PARTS LIST SAFETY PRECAUTION The parts identified by mark are critical for safety. Replace only with part number specified. The mounting position of replacement is to be identical with originals. The substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock, fire or other hazards.

  • Page 28: Exploded Views

    4. EXPLODED VIEWS 4-1. Packing Assembly Y101 A402 Y120 Y102 (TLP511E,TLP510E) Y121 (TLP511E,TLP510E) Y122 (TLP511E,TLP510E) TLP511E TLP510E TLP511U/E Y156 Y200 TLP510U/E Y156B Y101A A404 A403 Y107 Y105 Y111 A401 A410 A411 Y131 A401 Y130 Y108 Y109 Y110 Y106 Y106A A400...

  • Page 29: Remote Control Unit

    4-2. Remote Control Unit Y109 Y109A Fig. 4-2-1 4-3. Label Position TLP511U/E A308 A310 TLP511U TLP510U A302 A307 A305 A309 A301 A306 Fig. 4-3-1...

  • Page 30: Chassis Assembly

    B207 B186 B208 E200 A155 B272A B171 P800 B271 B272 PV01 B157 B270 P850 B160A B155 B157 U0015 B281 TLP510U/E U0032 E214 B100 A290 E250 A270 B153 ML010 U002 A242 A260 B153 A241 U0031 B153A B151 A240 PV01 Fig. 4-4-1...

  • Page 31: Optical Box Assembly

    4-5. Optical Box Assembly E203 E202 E210 E214 E201 Fig. 4-5-1...

  • Page 32: Arm Assembly

    4-6. Arm Assembly B430 B436 B401 B436 B391 B431 B415 B415 U099A B435 A104 A105A B330 B436 2-A201 U501 Q101 B365 A105 B427 B382 B384 B366 B427 B384 B362 B445A B361 B384 A102 B383 B381A B375 SC01 B445 B371 B373 B385 B444 B381B...
  • Page 33 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 - - 01, JAPAN...

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