Sharp DT-100 Service Manual
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Sharp DT-100 Service Manual

Multimedia projector
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Download this manual See also: Operating Manual
In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored to its original condition and only parts identical to those specified should be used.
SHARP CORPORATION

SERVICE MANUAL

MULTIMEDIA PROJECTOR
MODEL
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
S95N7DT-100//
DT-100
DT-100

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Summary of Contents for Sharp DT-100

  • Page 1: Service Manual

    DT-100 SERVICE MANUAL S95N7DT-100// MULTIMEDIA PROJECTOR DT-100 MODEL In the interests of user-safety (Required by safety regulations in some countries) the set should be re- stored to its original condition and only parts identical to those specified should be used.

  • Page 2: Table Of Contents

    DT-100 CONTENTS Page Page • SPECIFICATIONS ..........3 • OVERALL WIRING DIAGRAM ......42 • IMPORTANT SERVICE SAFETY • DESCRIPTION OF SCHEMATIC DIAGRAM .. 44 NOTES (for USA) ..........4 • WAVEFORMS ..........45 • NOTE TO SERVICE PERSONNEL ....6 •...

  • Page 3: Specifications

    Remote control, Power cord for U.S. and Canada, 3 RCA to 15-pin D-sub adaptor, Operation manual As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specifica- tion figures indicated are nominal values of production units.

  • Page 4: Important Service Safety Notes (For Usa)

    DT-100 IMPORTANT SERVICE SAFETY NOTES (for USA) Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and servicing guidelines as follows: » Use an AC voltmeter with sensitivity of 5000 ohm per WARNING volt., or higher, sensitivity to measure the AC voltage...
  • Page 5 DT-100 PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT conduite électrique ou une prise de terre branchée à la 1.

  • Page 6: Note To Service Personnel

    DT-100 NOTE TO SERVICE NOTE POUR LE PERSONNEL PERSONNEL D’ENTRETIEN 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6...

  • Page 7: Lamp Replacement

    DT-100 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6...

  • Page 8: Power Unit

    DT-100 WARNING: High brightness light source, do not stare into the beam of light, or view directly. Be especially careful that children do not stare directly in to the beam of light. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO MOISTURE OR WET LOCATIONS.
  • Page 9 DT-100 Precautions for using lead-free solder 1 Employing lead-free solder "PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.

  • Page 10: Operation Manual

    DT-100 Operation Manual...
  • Page 11 DT-100...
  • Page 12 DT-100 STANDBY button ON button For putting the For turning the power on. projector into the standby mode. MENU/HELP button For displaying adjustment KEYSTONE button and setting screens, and For entering the help screen. Keystone Correction mode. RETURN button Adjustment buttons...
  • Page 13 DT-100...
  • Page 14 DT-100...
  • Page 15 DT-100 Connection Pin Assignments...

  • Page 16: Dimensions

    DT-100 DIMENSIONS Units: inches(mm)

  • Page 17: Resetting The Total Lamp Timer

    The lamp life (percentage) can be checked with the on-screen display. Purchase a replacement lamp of type AN-100LP from your place of purchase, nearest Sharp Authorized Projector Dealer or Service Center.
  • Page 18 DT-100 Keystone correction range expansion and vertical compression adjustment function The variable range of the keystone can be expanded to over the user adjustable range by using the following RS-232C commands. In addition, the vertical compression can be adjusted. Command description...

  • Page 19: Removing Of Major Parts

    DT-100 REMOVING OF MAJOR PARTS 1. Removing the lamp door and the lamp unit 1-1. Loosen the lamp door fixing screw. Lift off the lamp door. 1-2. Remove 2 lamp unit fixing screws to detach the lamp unit. Lamp Door Lamp Unit 2.
  • Page 20 DT-100 3. Removing the main PWB unit 3-1. Remove all connectors from the main PWB unit. 3-2. Remove 2 terminal fixing screws. 3-3. Remove 3 main PWB fixing screws to detach the main PWB unit. [CW] [RC] [FA] [MO] [LF]...
  • Page 21 DT-100 5. Removing the optical mechanism unit and RC light receiver PWB 5-1. Remove 4 optical mechanism unit fixing screws to detach the optical mechanism unit. 5-2. Remove the RC light receiver PWB unit. Optical Mechanism Unit RC Light Receiver PWB 6.

  • Page 22: The Optical Unit Outline

    DT-100 THE OPTICAL UNIT OUTLINE Layout for proper setup of the optical components and parts (top view) (Schematic diagram) Projection lens Illumination lens 2 Illumination lens 1 Reflection mirror Plastic Lens Color wheel Lamp UV Glass Rod Integrator Item Function Lamp Light source.
  • Page 23 DT-100 If shading shown in Figure 1 appears on the screen after replacing DMD, turn the adjustment screw of the optical engine to adjust the lighting area of DMD. 1. Loosen the adjustment lever fixing screw 1. After adjusting the lighting area with the adjustment lever 2, tighten the adjustment lever fixing screw 1.

  • Page 24: Electrical Adjustment

    DT-100 ELECTRICAL ADJUSTMENT Adjusting point Adjusting conditions Adjusting procedure » Make the following settings. EEPROM 1. Turn on the power (with the initialization Press S2551 to call the process mode and execute lamp on) and warm up the "SS2" on SS menu.

  • Page 25: G-Bright

    DT-100 Check items Adjusting point Adjusting conditions Adjusting procedure Adjustment of 1. Check the fixed value. 1. Select the following group RGB brightness and subjects. Fixed value : 127 Group : CONFIRM/AD Subject : R-BRIGHT G-BRIGHT B-BRIGHT (Process GAMMA interlock) Adjustment of 1.

  • Page 26: V-B-Os

    DT-100 Adjusting point Adjusting conditions Adjusting procedure Adjustment of 1. Feed split color bar. 1. Check the fixed value. Video Tint 2. Select the following group Fixed value : 128 and subject. Group : CONFIRM/VIDEO Subject : V-HUE Adjustment of 1.
  • Page 27 DT-100 Adjusting point Adjusting conditions Adjusting procedure RS232C opera- 1. Connect the unit and a PC 1. Send a command from the PC, and check it func- tion check with the RS232C cable. tions correctly. Model name and 1. Select the following group.
  • Page 28 DT-100 » Adjustment mode process menu 1st Layer 2nd Layer Default 1st Layer 2nd Layer Default INFO VERSION MODEL ADJUST CW/Auto KS CW-INDEX VER. PATTERN K-SENS RGB50 AD/DLP R-CONT CORSS G-CONT STEP B-CONT COLOR R-GAIN G-GAIN LAMP CURRENT B-GAIN HISTORY1...
  • Page 29 DT-100...

  • Page 30: Trouble Shooting Table

    DT-100 TROUBLE SHOOTING TABLE Checking the basic operation Has P1701 come off or is it Does the power LED light Fully insert the connector. loose? up or flash in red or green? Does the set function with its keys or the remote Go to "Main PWB check".
  • Page 31 DT-100 Main PWB check Is 6 V applied to TL1702 Go to "Power supply and 13 V to TL1703? ballast PWB check". Check IC1742 and Is approx. 6 V applied to peripheral circuits. TL1742? Is 1.5 V applied to Check IC1741 and TL1741? peripheral circuits.
  • Page 32 DT-100 DMD system check Check P2501 for breakage and solder crack and peripheral resistance for solder crack. Check SC9101 for breakage and solder crack. Is there any vertical stripe (block noise) on the Is the screen all black? The main PWB and DMD PWB are in poor contact.
  • Page 33 DT-100 Power supply PWB check Is 6 V applied to pins (7) and (8) of the connector P704? Is 13 V applied to pins (3) Check peripheral circuits of and (4) of the connector IC703. P704? Does the lamp turn on? Check the main PWB.
  • Page 34 DT-100 Are connectorsP701 and Securely insert the connectors. P702 fully inserted? Is AC voltage between 100 Replace F701. − 240 V applied to both ends of C707? Is the bimetal broken? Press the red button on the bimetal. (Connection between 1 and...
  • Page 35 DT-100 Checking the lamp light-up Go to "Check when the Does the lamp turn on lamp turns off soon after when the power is turned turning on". Securely insert the Is the lamp tight in the connectors. socket? Has the FPC cable to...
  • Page 36 DT-100 Check when the lamp turns off soon after turning on Have connectors P1703, Securely insert the P1721, P1722, P1723 and connectors. P1724 come off or are they loose? Is each cooling fan Check the cooling fan. rotating? Check peripheral circuits of Is approx.

  • Page 37: Rgb

    DT-100 RGB and component signal check Send component signal or RGB signal of 1080i (or 720P) from INPUT 1 or INPUT 2. Select INPUT 1 or INPUT 2 using keys on the main unit or the remote control. Is image displayed...
  • Page 38 DT-100 S-VIDEO (INPUT 3) VIDEO (INPUT 4) check check Send S-Video signal (color Send VIDEO signal from signal) from INPUT 3. INPUT 4. Use buttons on Select INPUT 3 using keys the main unit or the remote on the main unit or the control to select INPUT 4.
  • Page 39 DT-100 - M E M O -...

  • Page 40: Block Diagram

    DT-100 BLOCK DIAGRAM...
  • Page 41 DT-100...

  • Page 42: Overall Wiring Diagram

    DT-100 OVERALL WIRING DIAGRAM P3502 RH-HXA015WJPZ B+3.3VA TEMP1-AD POWER...
  • Page 43 DT-100 DUNTKD139FMF7 PHOTO...

  • Page 44: Description Of Schematic Diagram

    DT-100 DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. Voltages at test points are measured at the supply voltage of AC 220V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.

  • Page 45: Waveforms

    DT-100 WAVEFORMS...

  • Page 46: Schematic Diagram

    DT-100 SCHEMATIC DIAGRAM Ë MAIN UNIT-1/8 iXB589WJ iXB589WJ...
  • Page 47 DT-100...
  • Page 48 DT-100 Ë MAIN UNIT-2/8...
  • Page 49 DT-100...
  • Page 50 DT-100 Ë MAIN UNIT-3/8...
  • Page 51 DT-100...
  • Page 52 DT-100 Ë MAIN UNIT-4/8...
  • Page 53 DT-100...
  • Page 54 DT-100 Ë MAIN UNIT-5/8...
  • Page 55 DT-100...
  • Page 56 DT-100 Ë MAIN UNIT-6/8...
  • Page 57 DT-100...
  • Page 58 DT-100 Ë MAIN UNIT-7/8...
  • Page 59 DT-100...
  • Page 60 DT-100 Ë MAIN UNIT-8/8...
  • Page 61 DT-100...
  • Page 62 DT-100 Ë DMD UNIT-1/3...
  • Page 63 DT-100...
  • Page 64 DT-100 Ë DMD UNIT-2/3...
  • Page 65 DT-100...
  • Page 66 DT-100 Ë DMD UNIT-3/3...
  • Page 67 DT-100...
  • Page 68 DT-100 Ë BALLAST POWER UNIT...
  • Page 69 DT-100...
  • Page 70 DT-100 Ë BALLAST CONTROL UNIT...
  • Page 71 DT-100 4 5 8...
  • Page 72 DT-100 Ë PHOTOSENSOR UNIT...
  • Page 73 DT-100 Ë R/C UNIT...

  • Page 74: Printed Wiring Board Assemblies

    DT-100 PRINTED WIRING BOARD ASSEMBLIES MAIN Unit (Side-A)
  • Page 75 DT-100...
  • Page 76 DT-100 P1703 R1704 R1706 P2533 R2528 R2529 R2507 R2509 R2511 R2513 R2515 R2517 R2522 C2002 FB1708 IC2001 FB1709 C2028 R2001 C2003 R2506 R2508 R2510 R2512 R2514 R2516 R2521 R2525 C2031 C2001 R2241 C2223 R2244 R2213 C2222 C2221 R2523 R2527 C2220...
  • Page 77 DT-100 P3562 P1702 P1703 P1721 SC3581 P1705 FB3584 FB3585 R1704 R1706 L1723 L1727 R1707 FB1729 C1724 FB1728 C3591 C3586 C3588 FB1727 Q1724 D1725 P2533 R2528 R2529 R1728 FB1732 FB1731 D1726 FB1730 D2573 D2572 D2571 S2552 S2555 R1702 R1701 C1703 C1701...
  • Page 78 DT-100 MAIN Unit (Side-B)
  • Page 79 DT-100...
  • Page 80 DT-100 R3578 C3571 TH3561 R3577 D1702 C1704 C3594 D1723 D3584 R1725 D3581 D3582 D3583 C3592 Q1722 C1728 R1722 R1723 R3597 C3595 C3583 C1771 R1724 R1721 R3596 R1764 IC1762 R3595 IC3581 R1765 C1768 D1765 L1728 L1724 R3594 C2231 D1761 R1761 C1762...
  • Page 81 DT-100 P2501 Q1722 FB2251 C1768 C2254 C2231 D2231 X2251 C2232 R2520 R2232 C2233 IC2231 R2234 R2235 R2231 R2519 L2005 R2242 C2247 R2243 R2248 R2245 R2009 R2247 R2246 R3587 R2014 C1729 C2033 C2030 C2032 C2034 C2501 R2010 C2029 R2016 R2007 IC1721...
  • Page 82 DT-100 DMD Unit (Side-A) TH9102 C9102 C9101 R9103 C9507 C9313 FB9302 C9505 C9310 C9511 C9307 C9501 DMD Unit (Chip Parts Side-A)
  • Page 83 DT-100 DMD Unit (Side-B)
  • Page 84 DT-100 BALLAST POWER Unit (Side-A)
  • Page 85 DT-100...
  • Page 86 DT-100 BALLAST POWER Unit (Side-B)
  • Page 87 DT-100...
  • Page 88 DT-100 R762 R708 R711 C703 R707 C713 C705 C706 R710 R706 R703 R704 R705 C702 D705 R702 IC902 R718 D704 C708 R732 R728 R712 D722 R715 R721 R725 D706 D707 R730 R731 R763 R764 D719 D720 C903 R917 C923 BALLAST POWER Unit (Chip Parts Side-B)
  • Page 89 DT-100 FB701 R708 FB702 R707 FB704 R706 R759 R760 R758 R757 R736 C724 R735 R752 R754 R756 C723 R743 R753 C736 R755 R751 D710 IC704 R738 Q705 R737 D708 R750 C701 R742 R733 Q706 C739 R740 R748 C921 R942 R918...
  • Page 90 DT-100 BALLAST CONTROL Unit (Side-A) R7704 P7701 C7701 D7715 R7708 R7761 C7745 D7714 IC7707 C7709 C7727 R7719 R7775 R7776 D7713 C7742 C7712 C7713 C7728 R7726 C7710 R7793 R7721 D7711 C7715 IC7709 C7719 C7734 R7731 D7703 D7712 Q7707 C7717 R7720 R7723...
  • Page 91 DT-100 BALLAST CONTROL Unit (Side-B) R7702 R7703 C7735 IC7704 R7705 C7702 R7739 Q7702 R7710 C7706 Q7701 C7705 C7708 C7703 R7748 R7781 C7704 R7788 Q7711 R7728 R7713 R7756 R7718 R7711 IC7705 R7786 R7785 R7701 C7711 R7716 R7753 R7735 C7723 R7730 Q7708...
  • Page 92 DT-100 PHOTOSENSOR Unit (Side-A) PHOTOSENSOR Unit (Side-B) R1109 R1108 R1106 R1107 PHOTOSENSOR Unit (Chip Parts Side-B)
  • Page 93 DT-100 R/C Unit (Side-A) R/C Unit (Side-B)

  • Page 94: Parts List

    J PQ018EN5MZPH Please call Toll-Free; 1-800-BE-SHARP IC2241 VHiW134MSQC-1Y J IC IC2261 VHiBR24L32F-1Y J BR24L32F-WE2 IC2262 RH-iXB594WJZZQ J iXB594WJ in CANADA: Contact SHARP Electronics of Canada Limited IC2263 VHiCY62146V-1Y J IC Phone (416) 890-2100. IC2561 VHiiSL83220-1Y J ISL83220ECVZ IC3001 RH-iXB589WJZZS J iXB589WJ...
  • Page 95 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD139FMF7 PACKAGED CIRCUITS X2251 RCRUAA033WJZZY J Packaged Circuit MAIN UNIT (Continued) X3351 RCRSC0170TAZZY J Crystal DIODES COILS D1721 VHDDAN202K/-1Y J DAN202K L1721 VPCUN330K1R4NY J Peaking 33µH D1722 VHDDAN202K/-1Y...
  • Page 96 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD139FMF7 C2263 VCKYCY1EF104ZY J 0.1 Ceramic C2264 VCKYCY1EF104ZY J 0.1 Ceramic MAIN UNIT (Continued) C2551 VCCCCY1HH101JY J 100p Ceramic C2552 VCCCCY1HH101JY J 100p Ceramic C2553 VCCCCY1HH101JY J 100p Ceramic C1792 VCKYCY1EF104ZY J 0.1...
  • Page 97 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD139FMF7 RESISTORS R1702 VRS-CY1JF103JY J 10k 1/16W Metal Oxide MAIN UNIT (Continued) R1703 VRS-CH1JF100JY J 10 1/16W Metal Oxide R1704 VRS-CY1JF100JY J 10 1/16W Metal Oxide C3351 VCKYCY1EF104ZY J 0.1...
  • Page 98 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD139FMF7 R3006 VRS-CY1JF473JY J 47k 1/16W Metal Oxide R3007 VRS-CH1JF101JY J 100 1/16W Metal Oxide MAIN UNIT (Continued) R3008 VRS-CY1JF102JY J 1k 1/16W Metal Oxide R3009 VRS-CY1JF000JY...
  • Page 99 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R3526 VRS-CY1JF472JY J 4.7k 1/16W Metal Oxide DUNTKD139FMF7 R3529 VRS-CY1JF273FY J 27k 1/16W Metal Oxide MAIN UNIT (Continued) R3530 VRS-CY1JF123FY J 12k 1/16W Metal Oxide R3531 VRS-CY1JF473JY...
  • Page 100 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code LUG2501 QLUGHA002WJZZ J Lug DUNTKD139FMF7 LUG2502 QLUGHA002WJZZ J Lug MAIN UNIT (Continued) LUG3101 QLUGHA002WJZZ J Lug LUG3102 QLUGHA002WJZZ J Lug FB1726 RBLN-A068WJZZY J Ferrite Bead, BLN-A068WJ AB...
  • Page 101 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD140WEF0 DUNTKD141WEF0 DMD UNIT PHOTOSENSOR Unit INTEGRATED CIRCUIT INTEGRATED CIRCUITS IC9301 RH-iXA384WJN1Q J 2503253-003 IC1101 VHiLM393A//-1Y J LM393APSR IC1102 VHPGP2S40//-1S J IC DIODES CAPACITORS D9301 VHDSFPB76//2EY J SFPA73...
  • Page 102 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code C913 VCKYCY1EF104ZY J 0.1 Ceramic DUNTKD147WEF1 C914 RC-FZA126WJZZ J 0.1 450V BALLAST POWER UNIT(Continued) Metallized Plastic Film C915 RC-KZA275WJZZ J 1000p 2kV Ceramic C916 RC-FZA126WJZZ J 0.1...
  • Page 103 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD148WEF0 DUNTKD147WEF1 BALLAST CONTROL UNIT BALLAST POWER UNIT(Continued) INTEGRATED CIRCUITS Metal Plate Resistor R907 VRS-TQ2BD100FY J 10 1/8W Metal Oxide IC7701 VHiM51995AF-1Y J IC R908 VRS-TV1JD334FY J 330k 1/10W Metal Oxide...
  • Page 104 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R7759 VRS-CY1JF100JY J 10 1/16W Metal Oxide DUNTKD148WEF0 R7760 VRS-CY1JF303JY J 30k 1/16W Metal Oxide BALLAST CONTROL UNIT(Continued) R7761 VRS-CY1JF103JY J 10k 1/16W Metal Oxide R7762 VRS-CY1JF103JY...

  • Page 105: Cabinet And Mechanical Parts

    DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS DBDYTA118WEF0 J Top Body Ass'y Not Available – Top Body — HDECPA027WJSA J Led Cover HiNDPB422WJSA J Operation Cover JBTN-A463WJSA J Power Button Not Available –...
  • Page 106 DT-100 CABINET AND MECHANICAL PARTS 11-3 11-2 11-1 2-2-3 2-2-1 2-1-4 2-1-3 2-1-1 2-1-2...
  • Page 107 DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code OPTICAL MECHANISM PARTS CCAPHA024WJSA J Lens Cap Ass'y CCHSKA019WEF1 J Optical Mechanism Unit LCHSKA019WJFW J Engine Base LHLDZA572WJKZ J Mirror Holder LHLDZA653WJKZ J Rod Holder Base LHLDZA654WJKZ...
  • Page 108 DT-100 OPTICS MECHANISM PARTS 4-29 4-32 4-29 4-12 4-29 4-26 4-16 4-29 4-29 4-29 4-13 4-11 4-25 4-29 4-14 4-29 4-31 4-34 4-36 4-28 4-22 4-35 4-17 4-30 4-18 4-33 4-36 4-23 4-19 4-29 4-24 4-20 4-21 4-27 4-15 4-31...

  • Page 109: Ë Accessories Parts

    DT-100 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING PARTS SUPPLIED ACCESSORIES (NOT REPLACEMENT ITEM) RRMCGA430WJSA J Remote Control unit SPAKCC170WJZZ – Packing Case — å X2 QACCDA007WJPZ J AC Cord for USA SPAKFA792WJZZ – Accessory Case —...

  • Page 110: Packing Of The Set

    DT-100 PACKING OF THE SET Lens cap FRONT SIDE...
  • Page 111 DT-100...
  • Page 112 DT-100 COPYRIGHT © 2005 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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