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HP L1735A Serivce Manual

Hp mdtv rear projection tvs fall 2005.
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HP MDTV Rear Projection TVs
Fall 2005
L1735A, L1736A, L1737A, L1798A

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   Summary of Contents for HP L1735A

  • Page 1: Service Manual

    » Contents Page Service Manual HP MDTV Rear Projection TVs Fall 2005 L1735A, L1736A, L1737A, L1798A...

  • Page 2

    Preface This manual is prepared for the maintenance service for HP's 50”, 58”, and 65” Rear Projec- tion Multi-Purpose Display Unit. Maintenance procedures described in this manual are in- tended to isolate faulty parts and replace them in the field. It also aims to serve as a guide in procuring replacement parts for this product.

  • Page 3: Table Of Contents

    Table of Contents Introduction HP MDTV Product Information Why HP High Definition? ...4 Wobulation ...5 Industrial Design ...6 MDTV Features...7 Model Information ...8 Accessories...9 Model Specifications ...10 Chapter 1 Technical Specifications Chapter 2 Disassembly Procedure Tools Needed...20 Disassemble Lamp Module...21 Disassemble Rear cover &...

  • Page 4: Why Hp High Definition

    And the next big wave—already roaring towards shore and about to break—is high definition television. HP is positioned to ride that wave with a complete lineup of high definition TVs that will swamp the competition with everything our customers want: competitive pricing, unequaled ease of use, and mind-boggling image quality.

  • Page 5: Wobulation

    ™ technology fine-tunes each individual pixel for a cleaner, sharper image. All HP HDTV models feature high contrast ratios for brighter lights and deeper darks. That means truer blacks—enhancing image sharpness and power, whether the scene is action-packed or brightly lit or darkly shadowed.

  • Page 6: Industrial Design

    Form, function, and style The HP HDTVs are as beautiful as the images they produce. Stylishly thin, the HP Plasma and LCD TVs complement any décor and take up less space than a traditional TV. And they’re remarkably easy to use;...

  • Page 7: Mdtv Features

    While all DLP ™ TVs share common characteristics, you can really see the differences in HP MDTVs in the areas of picture, sound, connectivity, styling, and ease of use. The 720p TVs—50-inch and 58-inch models—are entry-level, offering great picture quality and ease of setup.

  • Page 8

    HP MDTV models HP md5880n HP Pavilion Microdisplay 1080p TV key features: • High-definition 1080p resolution with contrast ratios up to 12,000:1 and built-in HD tuner • HP Visual Fidelity ™ technology for fine detail with warm, rich colors and natural skin tones •...

  • Page 9: Accessories

    Asian takeout joint.” HP MDTV Stand The HP TV Stand is the perfect accessory for your new HP MDTV. It’s a continuation of the sleek, clean design of your TV, and holds it at the ideal viewing height. It’s designed to discreetly yet effectively manage your cables—no more unsightly, tangled snake pit! And, the stand comfortably...

  • Page 11: Chapter 1 Technical Specifications

    Chapter 1 Specifications Technical Specification The Zappa Family of Digital TVs consists of a portfolio of four TVs. The following table high- lights the individual products. t u l t u l t u l t u l 1. Lamp i r r "...

  • Page 12: Color Wheel

    2. Panel l a t i t c l a t i t c 3. Color Wheel g i l g i l...

  • Page 13

    4. Screen Image l a t c i t , ) l c i t l a t c i t , ) l c i t , ) l c i t l a t c i t , ) l c i t l a t c i t...

  • Page 14: Video Input

    5. Input Signal Characteristics Analog RGB Input t u l i t a l i b y t i Digital RGB Input i t u i t a l i b y t i Video Input i l i S " "...

  • Page 15

    TV Input l a i i g i l a t l a i Table 1.1 s l i i r r t a l n i l t n i i r r t a l n i l t n i i r r t a l...

  • Page 16

    i g i l a t i r r i g i s l i t a l t a l i g I , s t l a t...

  • Page 17

    s l i...

  • Page 18

    y t i . s t i f i t i n i t l t n I c i f r i f i g i t n I t i n f i c i l a s l i l a t B "...

  • Page 19: Audio System

    6. Audio System i f i t i l t i l i f i t i l 7. Physical z i r 2 / i 3 / i s l i i l a...

  • Page 20: Tools Needed

    Chapter 2 Disassembly Procedure Tools Needed...

  • Page 21: Disassemble Lamp Module

    Disassemble Lamp Module Remove Easy Door Module. Unscrew 2 screws and then remove Lamp Cover (as 2 red circles show). Lamp Cover...

  • Page 22

    Loosen 3 screws and then remove the Lamp Module. Lamp Module...

  • Page 23: Disassemble Rear Cover & Power Supply Module

    Disassemble Rear Cover and Power Supply Module Unscrew 10 screws and then remove the Rear Cover. Rear Cover...

  • Page 24

    Unscrew 4 screws (step 1), unscrew 1 screw (step 2), unsrew 8 screws (step 3), unplug 9 connectors (step 4) to remove Power Supply Module. Step 1 Step 3 Step 1 Step 2 Step 4...

  • Page 25

    Unscrew 4 tenons shown in the red circle to remove Ballast from LVPS. Ballast LVPS...

  • Page 26: Disassemble System Fan, Main Board Module & Amplifier Board

    Disassemble System Fan, Main Board Module and Amplifier Board Unscrew 2 screws to remove System Fan. XHD4 Model: HD4 Model:...

  • Page 27

    2. Unscrew 3 screws (step 1), unscrew 5 screws (step2 & step 3) (shown in the yellow square), unplug 17 connectors (XHD4)/ 16 connectors (HD4) (shown in red circle) to remove Main Board Module. XHD4 Model: Step 1 HD4 Model: Step 1 Step 2 &...

  • Page 28

    3. Lossen 4 tenons to remove Amplifier Board from Main Board Module. 4. Unscrew 14 screws (shown in red circle), 2 hex screws (shown in yellow square) to remove Main Board Cover from Main Board Module.

  • Page 29

    5. Unscrew 2 screws to remove Cable Card Accessory. (for XHD4 model only) 6. Unscrew 2 Nuts (shown in yellow square) and 5 screws (shown in red circle) to re move Tuner Board. 7. Lossen 2 tenons to remove Audio Board. 8.

  • Page 30: Disassemble Engine Module

    Disassemble Engine Module Disconnect 3 connectors and unscrew 2 screws from the rear side of TV. Unscrew 4 screws to remove Front Cover. Note: Please use star type screwdriver. Unscrew 4 screws from Engine Module.

  • Page 31

    Unscrew 2 screws to remove the cover the Speaker. Unscrew 2 screws to remove the holding parts.

  • Page 32

    Remove 4 covers from the top of the TV first and remove 4 screws after, then the screen can be removed. Note: 1. To prevent the damage, use a sponge to support the screen. 2. Inside of the screen is brighter than outside. To gently remove the Engine Module, cover the lens with a Lens cover to preventing damage.

  • Page 33

    Unscrew 1 screw to remove Thermal Sensor. Unscrew 3 screws to remove Engine Fan.

  • Page 34

    Disassemble Speaker Module and Keypad Board. Unscrew 8 screws and lossen 4 connectors to remove Speaker Module. 2. To remove Keypad Board, unscrew 4 screws and 1 connector.

  • Page 35: Main Procedure

    Chapter 3 Troubleshooting Main Procedure...

  • Page 36: Power Troubleshooting

    Power Troubleshooting...

  • Page 38: Image Performance Troubleshooting

    Image Performance Troubleshooting...

  • Page 39: Sound Troubleshooting

    Sound Troubleshooting...

  • Page 40: Remote Control Troubleshooting

    Remote Control Troubleshooting...

  • Page 41: Function Test

    Chapter 4 Alignment & Function Test Procedure Action Reference c i t g i l ) * ( a l l * : 1st step ** : 2nd step *** : 3rd stepstep Hot Key - Factory Menu: Press “Source”, “-”, “CC”, “SAP” to enter Factory Menu.

  • Page 44

    (1)Press SOURCE button on the remote Keypad control and choose source to test Component 2 . (2)Connect to DVD component signal (1)Press SOURCE button on the remote Remote control and choose source to video 2. Control test (2)Connect to DVD composite signal Check if the keypad function work well.

  • Page 45: Adc Calibration

    ADC Calibration ADC - YPbPr Calibration Input “SMPTE”Test patter (Figure 1) from generator to TV component port. (component 1 or 2 is ok) TV set to Factory Menu. Use cursor on the remote to move to “ADC Calibration” setting. Like Figure 2. Press “OK”...

  • Page 46: Optical Alignment

    4-4 Optical Alignment e t I e t I c t i t l u : t h : t h n i l i f o t ' n , n i a t l c i t g i l , e l t i n n i l...

  • Page 47: Equipment Needed, Usb Upgrade Function Overview, Usb Flash Disk Usage

    Chapter 5 Firmware Upgrade Procedure Equipment Needed Software : - Zappa Projection Firmware Hardware : - Zappa Projection TV - USB Flash Disk USB Upgrade Function Overview Zappa builds in USB OTG chip for F/W upgrade purpose; user just put F/W hex code into USB Flash Disk, and then plug it to USB receptacle of TV, system will upgrade the F/W to appropriate unit.

  • Page 48: Upgrade Led Indication

    Upgrade Unit MTV512 CSC1220 VGA EDID HDMI EDID Pixel Works DTV Boot Code BOOTROM DTV Module You can put all of above files into disk or individual file that depend on what unit you want to upgrade. And driver will follow the upgrade sequence to upgrade each unit. About VGA EDID and HDMI EDID, you can put all of model’s EDID code in one USB Flash Drive, USB will according to product ID in EDID EEP ROM to choice correct EDID code.

  • Page 49: Usb Upgrade Procedure, Error Handling

    USB Upgrade Procedure 1. Put F/W hex code to USB Flash Disk. 2. TV power state at Standby mode. 3. Plug USB Flash Disk to USB receptacle of TV. 4. LED rotates. (Except MTV512 Unit) 5. Waiting for POWER LED flash or all LED off (MTV512) 6.

  • Page 50: Setup Procedure, Tools Needed

    Chapter 6 EDID Upgrade Procedure 1. Tool Needed: Hardware : IBM compatible PC that minimum CPU requirement is Pentium III 800 D8330 Card (PCI Interface, see notice 3-1) D8330 Interface Cable (see notice 3-1) DVI to HDMI cable, like this Software Tool: OS need Microsoft Windows 98/NT/2000/XP D8330 Display Data Channel Testing System (see notice 3-1)

  • Page 51

    M5820 Model: ZP5820_VGA.DDC for EDID-analog ZP5820_HDMI.DDC for EDID-digital M5880 Model: ZP5880_VGA.DDC for EDID-analog ZP5880_HDMI.DDC for EDID-digital M6580 Model: ZP6580_VGA.DDC for EDID-analog ZP6580_HDMI.DDC for EDID-digital 2 files, These files you should put them in C:\Program Files\DynaColor\DDC\data directory 2-3. Turn off protection for DDC upgrade. Press “Ch +” first, then press “Power” after. Hold the both buttons simultaneously, let go, then press “Power”.

  • Page 52

    Double- click “DDC” icon to execute D8330 Display Data Channel Testing System. (about install “DDC” software please reference D8330 Display Data Channel Testing System user’s manual) Then, you can see the picture: Select “Working Model” to ZP5880_VGA. If can’t find the ZP5880_VGA, (please see notice 3-2)

  • Page 53

    You can see this picture: Then key in Serial Number. (see notice 3-3) After press “Enter” key in your keyboard to execute. It will show “PASS” Information like this picture.

  • Page 54

    From now, you have finished the DDC-analog data update. If you want to continue update DDC digital data, please don’t power off your TV. Then go to 2-5 procedure. 2-5. DDC-digital data update Here is communication cable installation method: (There are two DDC ports, finish one at the time) Please check your TV in the power on mode (it means the power light indicator in the front keypad is green)

  • Page 55

    Select “Working Model” to ZP5880_HDMI. If can’t find the ZP5880_HDMI, (please see notice 3-2) Execute “ “ function button in the left area. You can see this picture: Then key in Serial Number. (see notice 3-3)

  • Page 56: Notice

    After press “Enter” key to execute. It will show “Pass” Information like this picture: From now, you have finished the DDC-digital data update. Note: There are 2 DDC ports need upgrade. 2-6. Turn on the “Protection” for DDC upgrade, then press “Vol -” + “Menu” simultaneously. 3.

  • Page 57

    3-2. ZP5880_VGA.DDC, ZP5880_HDMI.DDC they including DDC data, it’s text file. It’s provided by Coretronic. It should put in C:\Program Files\DynaColor\DDC\data dictionary. If you got error in here, please call Coretronic Customer Service Center. 3-3. If you key in incorrect serial number or TV doesn’t power on. You will show this picture.

  • Page 58

    Appendix A Exploded Overview- 1...

  • Page 59

    Exploded Parts List – 1 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item Lamp/interlock warning label Open/close bushing Wire Clip TDY 8-1...

  • Page 60

    Exploded Overview- 2...

  • Page 61

    Exploded Parts List – 2 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item Handle, V0-11 RP58 EPE Bag RP58 carton enclosure...

  • Page 62

    Exploded Overview- 3...

  • Page 63

    Exploded Parts List – 3 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item RP58 product label Wiring assembly DVI formatter board to main...

  • Page 64

    Exploded Overview- 4...

  • Page 65

    Exploded Parts List – 4 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item RP I/O connector label RP wire mount WAS-1 Spacer support SCE-11 “pin good”...

  • Page 66

    Exploded Overview- 5...

  • Page 67

    Exploded Parts List – 5 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item Wiring assembly main board to IR receiver...

  • Page 68

    Exploded Overview- 6...

  • Page 69

    Exploded Parts List – 6 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item Handle V0-11 PE bag 1830x1600x0.08mm RP50 carton enclosure...

  • Page 70

    Exploded Overview- 7...

  • Page 71

    Exploded Parts List – 7 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item Sanyodenki axial fan RP wire mount WAS-1...

  • Page 72

    Exploded Overview- 8...

  • Page 73

    Exploded Parts List – 8 The following parts list is FOR REFERENCE ONLY, as not all parts/assemblies are available for ordering on HP’s parts ordering web sites (CSN/Consumer Support Ordering and HP PartSurfer). Item RP Control buttons PCBA keypad board...

  • Page 74: Appendix B System Serial Number Definition

    Appendix B System Serial Number Definition...

  • Page 75

    Appendix C by shining colored light onto a digital micromirror device (DMD) impregnated with small, movable mirrors. Each micromirror is responsible for an individual pixel and can oscillate several thousand times per second. The process reduces “pixelation” by increasing “active area” of the pixel. Major advantages: excellent, bright picture with good black quality;...

  • Page 76

    Odd lines 1080i Even lines 1080i 1080p De-Interlacer Odd lines 1080i Electronic program guide HP entertainment products, such as the Digital Entertainment Center and Media Center PC, that displays chronological, and automatically updated, program listings. F-G-H HD televisions (see illlustration above) with native support for at least 720p is considered an HDTV.

  • Page 77

    DVI. HDCP (high-definition content protection) encryption in high-definition signals that prevents unlawful duplication. HP’s HD demo tapes have HDCP encoded. HDTV ATSC tuner An internal or external over- the-air tuner that receives high-definition television signals.

  • Page 78

    Terrestrial HD See “Over-the-air HD.” Thumbnail view A feature on HP microdisplay TVs that gives you a snapshot view via nine window panes showing what is connected to the TV. Per- mits quick, simple change between each source through remote control.

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  • naseer Mar 27, 2016 02:35:
    Service code I have been made his first day