Epson ELP_EMP-7350

Data Projector SERVICE MANUAL ELP/EMP-7350/5350/7250 EPSON

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INTRODUCTION This Service Manual describes of the hardware information which is necessary for the smooth repair and technical support of the DATA PROJECTOR ELP/EMP- 7350/7250/5350. The primary technologies will be supplied with Technical Information hereafter. HOW TO USE THE SERVICE MANUAL You may utilize this Service Manual for repair or diagnosis of failures at your service section. The contents are as following. Before you start the maintenance service, read every safety precautions and observe safety precautions and observe safety rules. Precautions: SAFETY, MAINTENANCE, PERSON and others. Chapter 1: Product specifications (Product General, variance with ELP/EMP-7300, list of spec. and others) VCCI RADIO REQUENCY INTERFERENCE SELF RESTRICTION This product is the type 1 information equipment and uses radio frequency energy and fully complies with the limits for the specifications in the computer information equipment radio interference regulation (VCCI rules). If not installed and used properly manufacturer's instructions, may cause interference to radio and television reception. TRADEMARK IBM and DOS/V are the trademark or the registered trademark of International Business Machines Corporation. Macintosh and Power Book are the registered trademarks of Apple Computer Inc. Windows is the trademark of Microsoft Corporation. EPSON is the trademark of SEIKO EPSON CORPORATION. NOTICES 1. This document should not be reproduced in whole or in part without the written permission of SEIKO EPSON CORPORATION. 2. Any of description in this document is the subject to change without notice in future. 3. The information and specification in this document are the most up-to-date at the time of publication. However, we are unable to guarantee the accuracy of printed material after the date of publication. In case of any mistake or lack of description, please kindly notify us to correct. 4. Any influence by utilizing the document may be out of our responsibility regardless the item 3 above. ©1999 SEIKO EPSON CORPORATION REV.A

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Record of Revisions History Issued Date Alternation REV-A 1999, Sep. 7 Preliminary Issued Memo Random Free area to memorize any important technical information here. REV.A

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PRECAUTIONS 1. MAINTAIN THE SAFETY OF OPERATORS (1) PROTECTION FROM ELECTRIC SHOCK * Whenever doing any repair work on the product, be sure to turn off the power switch and remove the electric power cable from the electrical outlet. * Whenever inevitably turning the power on to the product opening the case or cover (repair process) be sure to take off any metallic materials such as watch, cuffs, rings, and tie pins which may touch the metallic part of the product and dangerous of electric shock. (2) PROTECTION FROM ACCIDENTAL INJURY * Be sure not to touch the lamp inner housing and its circumstances after the power is turned off, they may be heated up even after the cooling down process was ended. Also make sure not to touch the light source and its circumstances during the operation of repair as turning the power on. * Make sure to protect your hands by gloves from sharp edges during assembly and disassembly. * Do not look into the light source or lens while the light is on. Protect eyes from being damaged. (3) PROTECTION FROM ACCIDENTS * Any operation should be done while the device placed on a flat and stable place to prevent the device or parts from being dropped. Be careful not to place tools and parts on the device or at your feet. * Whenever doing any repair work on the product, be sure to away from a place for foreigner come across in order to prevent the product from being used in incomplete condition or accidental near miss. Be sure not to leave the product during any repair work. * Be sure to use the attached power cable when you supply the power to the product. REV.A

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2. SAFETY MAINTENANCE (1) ELECTROSTATIC DISCHARGE * Whenever doing any repair work on the product, be sure to wear the wristband and the electrostatic mat with grounding. When replacing any electric components (Board and Optical engine), it is recommended to touch the electrostatic plastic bag of the component to the metallic part of the product once before take the component out from the plastic bag. (2) LIMITATION OF PARTS * Use only authorized or supplied parts from EPSON for the replacement of mechanical parts including the lamp inner housing, air filter and so on. * Use only the power cable and the interface cables attached with the product. (3) Others * Visually checks the distortion or dirt at the connectors of the power cable. If dirty, clean off, and if distorted, replace the cable in order to avoid firing by the flush over phenomenon. * When plug the internal connector cables or the interface cables, be sure to fully plug into the connectors unit until it stack to the connector edge. * Whenever doing removal of parts or repair work on the product, make sure that the work is done in a clean room, free of dust and dirt in order to keep the optical element away from dirt. 3. REQUIREMENT FOR THE SERVICE PERSON Authorized person should have the following knowledge and skill for the maintenance of ELP/EMP-7350/7250/5350. * Need to sufficiently understand the operation and the descriptions of this service manual. * Need to have the basic knowledge of electricity (safety operation, circuit diagram, electrostatic, and else...) * Need to be trained by EPSON authorized maintenance training program and to have a certain technique as a service engineer. 4. OTHERS * Any questions on the ELP/EMP-7350/7250/5350's service including supply of the service parts or contents of the document would like to be contacted to the below address. Any technical information about amendments is occasionally available as Technical Information. SEIKO EPSON CORPORATION ADDRESS; 4897 OH-AZA SIMAUCHI,MATSUMOTO-SHI, NAGANO-KEN, 390-8640 JAPAN TEL: +81-263-48-5437 FAX: +81-263-48-5680 ATTN: VD Customer Support Group REV.A

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Contents Chapter 1 Product Specifications 1.1 PRODUCT GENERAL ...................................................................... 1-1 1.2 VARIANCE WITH ELP/EMP-7300.................................................... 1-1 1.2.1 Component .............................................................................. 1-1 1.2.3 ESC/VP.................................................................................... 1-2 1.3 SPECIFICATIONS LIST.................................................................... 1-3 1.4 CAPABLE COMPUTERS' MODE LIST............................................. 1-5 1.5 CAPABLE TV SIGNAL MODE LIST.................................................. 1-6 1.6 EXPLANATION OF AFTER SERVICE INFORMATION ............... 1-8 REV.A

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Chapter 1 Product Specifications

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1.1 PRODUCT GENERAL ELP/EMP-7350/7250/5350 DATA PROJECTOR is such model that ELP/EMP-7300 was changed in respect of Light Valve, Ballast/Lamp and some circuit Boards. Mechanism, optical system and others are common with ELP/EMP-7300. So please handle the relative repair service with referring to Service Manual for ELP/EMP-7300. 1.2 VARIANCE WITH ELP/EMP-7300 1.2.1 Component Of all the components of ELP/EMP-7350/7250/5350, every part except the following parts and units are common with ELP/EMP-7300. Table 1-1. List of different parts (Comparison between ELP/EMP-7300 and 7350/7250/5350) Part name Remarks 7350 7250 5350 Optical engine involving Light Valve involving Light Valve involving Light Valve Light Valve R XGA 1.3” High aperture Common with 7200 Common with 5300 LCD with MLA XGA 1.3” with out MLA SVGA 1.3” with out MLA Light Valve G ditto ditto ditto Light Valve B ditto ditto ditto Lamp 150 W UHE Projection Lens New design Common with 7300 Power Supply unit A involving Ballast Board Assembly Ballast Board Assembly Pulse drive Exhaust Fan DC Brush less motored, with out thermostat Exhaust Fan Guard New additional parts MJ Board Assembly New design for 7350/7250/5350 PJ Board Assembly New design for 7350/7250 New design for 5350 MA Board Assembly New design for 7350/7250 ditto Operation Panel New design for 7350/7250/5350 IF Panel V With difference in indication Remote Focus Ring Focus Ring 72 Common with 7300 Lens Cap Unit Lens Cap Unit 72 Common with 7300 Logotype Plate Indicated name of each MODEL. Rating Label ditto JAN Code Label ditto Serial No. Label A ditto Master Carton ditto The Light Valves are incorporated in the optical engine. The Optical engine is to be supplied as one unit. Expensive adjustment equipment is required to repair the internal optical engine so that such items are to be repaired at the exclusive factory in Japan. REV.A 1-1

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1.2.2 ESC/VP ESC/VP (Epson Standard Code for Visual Products) is prepared as a command system for controlling projector via computer. Previous level command is basically upper compatible. However the commands which correspond to the projector hardware function are exclusive commands for each model. The capable projectors for each level are as follows: Table 1-2. Interchangeability list for ESC/VP Level Level The capable projector ESC/VP Level 2 ELP/EMP-3000,3300 ESC/VP Level 3 ELP/EMP-3500,5000,7000,5100,7100 ESC/VP Level 4 ELP/EMP-7300,5500,5300,7200,7500,5550,7550 ESC/VP Level 5 have not compatibility with Level 1/2/3/4, and this Level 5 is use for ELP/EMP-7350/7250/5350/8000/9000. Table 1-3 Level The capable projector ESC/VP Level 5 ELP/EMP-7350,5350,7250,8000,9000 REV.A 1-2

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1.3 SPECIFICATIONS LIST Table 1-4 Spec. list Description ELP/EMP-7350 ELP/EMP-7250 ELP/EMP-5350 Display system / Optical system Display method / Running method High aperture Poly- High aperture Poly-silicon High aperture Poly-silicon silicon 1.3" TFT LCD x 3 1.3" TFT LCD x 3 1.3" TFT LCD x 3 With MLA Full lines, With out MLA With out MLA Full lines, 12 phase block 24 phase block series series Full lines, 6 phase block series Optical method Dichroic mirror separation and prism combine method Projection image size Minimum 23 inch to maximum 300 inch Projection distance 1.2m ~ 15.7m Resolution 1024 x 768 dots x 3 800 x 600dots x 3 Projection Lens Zoom lens F2.0 - 2.3, f:55-72 mm Focus adjustment Manual Zooming adjustment Manual (1:1.3) Light Source (Lamp Type) 150 W UHE lamp (type: ELPLP09) Brightness (For blocher) 1600 ANSI lm 1200 ANSI lm 1400 ANSI lm AUDIO FEATURES Output for internal speaker Dynamic speaker (3W-8 W) x 2 (stereo) 50 to 18,000 Hz Audio out Interface External speaker 3.5 mm Stereo mini-jack Internal speaker output is stopped when mini-jack is plugged. Output signal: 0 to 500 mVrms Load impedance: 600 W Audio L/R interface Audio signal (stereo) from the video devices is separated with R (Right) and L (For Video device) (Left). Interface type: RCA jack Input signal: 500 mVrms Audio interface Host computer Audio input (stereo) (For Computer ) Interface type: 3.5 mm Stereo mini-jack Input signal: 500 mVrms/47 KW REMOTE CONTROL For controlling ELP/EMP-7350/5350/7250 operating mode and controlling Wireless remote controller host computer from ELP/EMP-7350/5350/7250. Signal is detected with internal receptor board. Control range: Within 10 m and 30 degree wide (right/left), 15 degree wide (upper/ lower) from receptor of LCP. When connecting 3.5 mm stereo mini-jack cable, external receptor of remote controller is available. (On plugging internal receptor being off.) Having conformity to REV.A 1-3

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Description ELP/EMP-7350 ELP/EMP-7250 ELP/EMP-5350 COMPUTER IMAGE SIGAL INPUT/OUTPUT Capable computer mode PC98, EGA, VGA, VESA 72/75/85, PC98, EGA, VGA, [Refer to Table 1-4] SVGA 56/60/72/75/85, VESA 72/75/85, SVGA 56/60/72/75/85, XGA 60/70/85,SXGA43i/60/70/75/85, XGA60/70/85, UXGA48i/60/65/70/75/80/85, SXGA43i/60/70/75/85, MAC 13”/16”/19”/215/85, MAC 13”/16”/19”/21 Input terminal Form:HD-15Pin (adaptive to DDC1/2B ) Output terminal Form: HD-15Pin Input/ Output Signal Analogue RGB Standard Input level 0.7Vp-p, 75 W Mac 0.7141 Vpp, 75 W (Analogue RGB adoptive Input level 0.5 to 1.0 Vpp, 75 W) Sync. Signal Separate/Composite/Sync. On Green are capable Separate Sync.: Positive & Negative 1 to 5 Vp-p Composite Sync.: Positive & Negative 1 to 5 Vp-p Sync. On Green: Sync.- Negative 0.3 Vp-p TV IMAGE SIGNAL INPUT TV Signal Method NTSC3.58, NTSC4.43, PAL, N-PAL, M-PAL, SECAM [Refer to table 1-7] Automatical discrimination (Fixed use is available.) S Video Input Input terminal Form: Mini DIN 4Pin Input signal Luminance 0.714 Vp-p, Chrominance 0.284 Vp-p 75 W S Video has priority over Composite Video. MOUSE/COM 1/2 Mouse and Serial Communication Automatically discrimination of Mouse (PS/2, Serial, ADB, 98 Bus), Serial Communication (RS-232C) Interface type: DIN 13pin POWER SUPPLY & Others Input Voltage AC100-120V/220-240V +- 10% (50/60Hz) Power Consumption Approx. 250W (Standby mode: 12W) 2.7VA (100-120V), 1.4VA(220-240V) Dimentsions 300 mm (W) x 120 mm (H) x 360 mm (D) 300 mm (W) x 128 mm (H) x 400 mm (D) include foot adjuster and lens Weight Approx. 6.2 kg EMVIRONMENT Operation/storage temperature +5°C to +35°C/ -10°C to +60°C (non condensing) Operation/storage humidity 20% to 80%/ 10% to 90% (non condensing) Operation/storage or carriage Altitude 2,286m/ 6,096m REV.A 1-4

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1.4 Capable Computers' Mode List Table 1-5. The formally supported PC Signal List N Format Timing Original H Freq. V Freq. Pixel Clock Notes o Name Standard # [kHz] [Hz] [MHz] 1 NECPC400 NECPC400 640 x 400@56Hz 24.82 56.42 21.1 2 VGAEGA DMT648A 640 x 350@85Hz 37.86 85.08 31.5 3 VGACGA 640 x 200@70Hz 31.46 70.00 4 VGA60 VGA_m3 640 x 480@60Hz 31.47 59.94 25.2 VESA Support 5 VESA72 VS901101 640 x 480@72Hz 37.86 72.81 31.5 Standard Signal 6 VESA75 DMT6475 640 x 480@75Hz 37.50 75.00 31.5 7 VESA85 DMT6485 640 x 480@85Hz 43.27 85.01 36 8 SVGA56 VG900601 800 x 600@56Hz 35.16 56.25 36 9 SVGA60 VG9006002 800 x 600@60Hz 37.88 60.32 40 10 SVGA72 VS900603 800 x 600@72Hz 48.08 72.19 50 11 SVGA75 DMT8075 800 x 600@75Hz 46.86 75.00 49.5 12 SVGA85 DMT8085 800 x 600@85Hz 53.67 85.06 56.3 13 XGA43i VGA_m4 1024 x 768@87Hz 35.52 87 44.9 14 XGA60 VG901101 1024 x 768@60Hz 48.36 60.00 65 15 XGA70A VS910801 1024 x 768@70Hz 56.48 70.07 75 16 XGA75 DMT1075 1024 x 768@75Hz 60.02 75.03 78.8 17 XGA85 DMT1085 1024 x 768@85Hz 68.68 85.00 94.5 18 SXGA60 DMT1260 1280 x 1024@60Hz 63.98 60 108 19 DMT126A 1280 x 960@60Hz 60.00 60 108 20 SXGA70 DMT1170 1152 x 864@70Hz 63.85 70.01 94.5 21 SXGA75 DMT1175 1152 x 864@75Hz 67.50 75.00 108 22 DMT1275 1280 x 1024@75Hz 79.98 75 135 23 DMT127A 1280 x 960@75Hz 75.00 75 126 24 SXGA85 DMT1185 1152 x 864@85Hz 77.09 85 121.5 25 DMT1285 1280 x 1024@85Hz 91.15 85 157.5 26 DMT128A 1280 x 960@85Hz 85.94 85 148.5 27 SXGA43i DMT1243 1280 x 1024@87Hz 46.43 87 78.75 28 UXGA48i DMT1648 1600 x 1200@56Hz 62.50 56 135 Un-support for EMP- 29 UXGA60 DMT1660 1600 x 1200@60Hz 75.00 60.00 162 5350 30 UXGA65 DMT1665 1600 x 1200@65Hz 81.25 65.00 175.5 31 UXGA70 DMT1670 1600 x 1200@70Hz 87.50 70.00 189 32 UXGA75 DMT1675 1600 x 1200@75Hz 93.75 75.00 202.5 33 UXGA80 DMT1680 1600 x 1200@80Hz 100.0 80.00 216 34 UXGA85 DMT1685 1600 x 1200@85Hz 106..25 85.00 229.5 35 MAC13” MAC_13C 640 x 480@66Hz 35.00 66.67 30.2 CP 36 MAC16” MAC_16 832 x 624@75Hz 49.11 75.09 55 37 MAC19” MAC_19 1024 x 768@75Hz 60.24 74.93 80 CP 38 MAC19”60 MAC_1960 1024 x 768@59Hz 48.19 59.28 64 CP 39 MAC21” MAC_21 1152 x 870@75Hz 68.68 75.06 100 CP Notes CP : Composite Sync, OG : Sync on Green REV.A 1-5

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The following signals are not mentioned in User’s manual but they are available on ELP/EMP-7350/7250/5350. (exclude SUN1667 for ELP/EMP-5350) Table 1-6 List of the PC Signal formally supported No Format Timing Original Standard H V Pixel Notes Name Freq. Freq. Clock [KHz] [Hz] [MHz] 1 HP1060 HP1060 1024 x 768@60Hz 47.70 60 64.1 OG 2 HP1070 HP1070 1024 x 768@70Hz 56.48 70.1 75 3 HP1075A HP1075A 1024 x 768@75Hz 62.94 74.9 84.6 OG 4 HP1075B HP1075B 1024 x 768@75Hz 60.24 75 80 5 HP1260 HP1260 1280 x 1024@60Hz 63.34 60 108.2 OG 6 HP1272 HP1272 1280 x 1024@72Hz 78.13 72 135 OG 7 HP1275 HP1275 1280 x 1024@75Hz 79.98 75 135 8 INT1160 INT1160 1184 x 884@60Hz 55.2 60 83 9 INT1176 INT1176 1184 x 884@76Hz 71.71 76 105.6 CP 10 SON1072 SON1072 1024 x 768@72Hz 57.87 71.8 75 OG 11 SON1274 SON1274 1280 x 1024@74Hz 78.86 74.1 135 OG 12 SON1276 SON1276 1280 x 1024@76Hz 81.21 76.2 140 OG 13 SUN1061 SUN1061 1024 x 1024@61Hz 65.27 61.4 92.9 CP 14 SUN1077 SUN1077 1024 x 768@77Hz 62.04 77.1 84.4 CP 15 SUN1166 SUN1166 1152 x 900@66Hz 61.80 66 92.9 CP 16 SUN1176 SUN1176 1152 x 900@76Hz 71.71 76 105.6 CP 17 SUN1267 SUN1267 1280 x 1024@67Hz 71.72 66.72 117.1 CP 18 SUN1276 SUN1276 1280 x 1024@76Hz 81.13 76.11 135 CP 19 SUN1667 SUN1667 1600 x 1280@67Hz 89.29 66.9 200 CP Notes CP : Composite Sync, OG : Sync on Green 1.5 Capable TV Signal Mode List Table 1-7. TV adaptive mode list (1) TV Mode Timing Horizontal Vertical Resolution Remarks Name Frequency[KHz] Frequency[Hz] SDTV480P TV_480P 31.47 59.94 720 x 483 (ANSI/SMPTE) SDTV480P 31.47 59.94 704 x 480 (ATSC) SDTV480I NTSC 15.73 59.94 720 x 487 (ANSI/SMPTE) SDTV480I 15.73 59.94 704 x 480 (ATSC) HDTV720P TV_720P 44.96 59.94 1280 x 720 (SMPTE) HDTV1080P TV_1080P 67.43 59.94 1920 x 1080 (ANSI/SMPTE) HDTV1080I TV_1080I 33.72 59.94 1920 x 1080 (ANSI/SMPTE) REV.A 1-6

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Table 1-8. TV adaptive mode list (2) TV Mode Carrier Vertical Scanning Remarks Frequency Frequency Line (MHz) (Hz) (pcs) NTSC3.58 3.580 60 525 General NTSC (Japan, (M-NTSC) USA and others) PAL 4.434 50 625 General PAL (Europe, (B/G/H/I-PAL) South East Asia and others) SECAM 4.406 / 50 625 *1 (France, East Europe 4.250 and others) NTSC 4.43 4.434 60 525 *2 N-PAL 3.582 50 625 (Argentine, Uruguay, Bolivia) M-PAL 3.572 60 525 (Brazil) PAL-60 4.434 60 525 *2 [Additional explanation] On air method is shown with Color method-NTSC/PAL/SECAM and broadcasting standard-N/M/B/G. *1 SECAM has "L" and "B/G/H" methods. These ones vary each other in respect of polarity of horizontal sync. signal and voice modulation method. *2 NTSC4.43 and PAL60 are what are output when NTSC software is reproduced on VCR of PAL spec. Then the NTSC data is to be output in PAL spec. NTSC4.43 has transmission method of NTSC and the carrier frequency is 4.43MHz as well as PAL. PAL60 has transmission method of PAL and the vertical frequency is 60Hz as well as NTSC. Either ones have source of M-NTSC so that they have 525 pcs of scanning line for each. REV.A 1-7

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1.6 Explanation of After Service Information In the event pressing Help and Menu buttons at the same time about for 5 seconds, After Service Information is shown. This information is shown in English regardless of the selected language. 1.6.1 Contents of such information (1) Sync. Frequency; H: kHz /V: Hz (2) Sync. Polarity; H/ V [Positive] or [Negative] (3) Sync. Mode; [Separate Sync.] ,[Composite Sync.] or [Sync-on- green] (1), (2) and (3) are shown only in case computer is used as the relative source. (4) Detected Comp. Mode; (Refer to Table 1-4 and 1-5) (5) Total Operation Time; Hour (time is still added after replacing lamp.) (6) Lamp Replacement; Times (7) Lamp ON; Times (8) Engine Type (9) Software version REV.A 1-8

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July 19, 1999 SEIKO EPSON, VDCSG Exploded Diagram for EMP/ELP-7350/5350/7250 ( 1/2 ) Ver.1.01 8006. Screw [CB 4x9] 8005. Screw [CP(o) 3x6] 1800. Upper Case Unit 8002. Screw [CBP-tite 3x8] 200. Handle 1701. Main Board Assembly 8008. Screw 8003. Screw [CBB-tite 4x14] [CCP-tite 3x10] 300. Power Supply Block 8003. Screw [CBB-tite 4x14] 8005. Screw [CP(o) 3x6] 8002. Screw [ CBP-tite 3x8] 700.Audio Speaker Unit 8001. Screw 400. Optical Engine [CBP-tite 3x12 ] 406. Safety Switch 100. Lower Case Unit

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August 1, 1999 SEIKO EPSON, VDCSG Exploded Diagram for EMP/ELP-7350/5350/7250 (2/2) Ver.1.02 8005. Screw [CP(o) 3x6] 8010. Screw [CP(S-P1) 3x25] 402. Filter Flame B 1803. Operation Panel 302. Ballast Board Assembly 403. Intake Fan 1802. Operation Panel 408. Board Spacer 301.Power 8005. Screw [CP(o) 3x6] Spring Supply Unit 305. Speaker L 500. Zoom Ring 8005. Screw 600. Focus Ring [CP(o) 3x6] 8005.Screw [CP(o) 3x6] 303. Receptor Board Assembly 2000. Lens Cap Unit 105. Foot Lever L 8009. Screw [CPB-tite 2x4] 404. Lamp Inner Housing 801. Rear Case 2100. Logotype Plate 108. Mini Cramp 8007. Screw [CP 3x6] 8005. Screw 706. Shield Gasket [ CP(o) 3x6] 1900. Inter Face Panel V 8005. Screw 702. Speaker R [CP(o) 3x6] 8012. Screw 103. Foot Unit 703. Audio Board [CBP-tite 3x30] Assembly 108. 8011. Screw 803. Exhaust Fan [CBP-tite 3x15] 705. Radiation 8005. Screw 110. Lamp Cover 104. Front Foot Sheet [CP(o) 3x6] 810. PJ Board Rubber Unit 704. Spring 811. Video-IF 401. Air Filter Cover 106. Foot Lever R 809. MJ Board 701. Audio Speaker Fixing Plate 8005. Screw 808. AJ Board [CP(o) 3x6] 807. IF Board Fixing Plate