HP LT3700 User's Manual
Contents
1. O invent Illustrated Parts amp Service Map HP LT3700 37 Inch LCD High Definition Television 2007 Hewlett Packard Development Company L P The information contained herein is subject to change without notice HP shall not be liable for technical or editorial errors or omissions con tained herein Intel Pentium Intel Inside and the Intel logo are trademarks or registered trademarks of the Intel Corporation and its subsidiaries in the U S and other countries Ist Edition June 2007 Document Number 454401 001 Key Specifications Resolution Brightness Contrast ratio Viewing angle Response time Expected lifetime Scalar Supported input Connectivity Speakers Tuning Power supply Power consumption Panel manufacturer Boards 1 Main board assy including 455594 001 Main board Cable Main board to power supply 2 Inverter board assy including 455597 001 Inverter boards Master and slave Cables Master and slave 3 Control board assy including 455601 001 Control board LVDS cable Ribbon cables 2 4 Keypad Infrared assy including 455604 001 Keypad buttons Keypad PCA board Infrared board Cable Main board to keypad 1 1366 H x 768 V 500 cd m2 1000 1 178 degrees 6 ms 60 000 hours Trident PX66 480i 480p 720p 10801 1080p HDMI only AV in 2 Component In YPbPr 2 HDMI 3 S Video In 2 Antenna In2. 1 PC VGA In 1 Analog Audio In L R 5 Pe Audio In 1 RS 232c 1 USB Port 1 Audio Out 1 SPDIF Out 1 2x 10W 1 way ATSC NTSC Clear QAM 120 V AC 60 Hz 220W LPL Covers mounting stand Misc parts 1 Stand neck assy including 455588 001 1 Power supply assy including 455591 001 Stand neck Power supply l Repair screw kit Cable Power supply to main board Stand base 452085 001 2 Speakers L and R and wire connectors 452108 001 2 Back cover bucket 452093 001 3 Front bezel including speaker cover 452115 001 3 Mesh bracket board cover 452098 001 Remote control 452113 001 4 Internal support wall mount 452097 001 Cable clamp 452127 001 5 I O bracket with AC inlet 452126 001 VGA cord 453143 001 iNOER OWA Whole unit head only 451705 001 Power cord 8121 0740 Repair screw kit includes 452128 001 1 Screw hex I 4 40 O 4 40 L7 NI 2 Screw pan W FLT SPG M3 8L NI 4 Screw T M4 P0 7 8L NI SAE1018 4 W37A Screw speaker M3X10 2 Screw M3X0 5 6L black ZN 4 Screw M3 6L P T black ZN 4 Screw M4 6L M black ZN W32A 10 Screw M4 10L P T black ZN W32A 4 Screw M5 15L M black ZN W32A 8 Screw tap flat M4 10L NI 4 Not shown HP LT3700 37 Inch LCD High Definition Television 454401 001 1 J E page Component Placement ee eocyve e eeweur sy er eecsene eee ee eee ee eeee
3. 18 4 pins ROHS Audio power CN12 11 pins ROHS Keypad and IR control connect to keypad board and IR board LED Indicators all on main board Indicator Blink Frequency Failure Part Amber and aqua LED blinking 1 sec interval MCU Host link error Amber LED blinking 1 sec interval TAFE does not respond Aqua LED blinking 1 sec interval Tuner does not respond Amber LED blinking 2 sec interval Digital Demodulator does not respond Aqua LED blinking 2 sec interval Audio process does not respond Amber and aqua LED blinking 2 sec interval More than two I2C devices error POWER Power button turns on the TV or places it in standby mode MENU Menu displays the on screen display OSD or closes the OSD menu SELECT SELECT starts the Auto Sync function for a connected PC signal In an OSD menu selects the highlighted item in the OSD SOURCE Source SRC selects the input Menu In an OSD menu this functions as a back button or moves you up one item or menu level CH Channel CH selects the next or previous channel In an OSD menu CH press these buttons to move up or down in the menu VOL Volume VOL raises or lowers the sound level In an OSD menu press VOL these buttons to move right or left in the menu or to adjust an item LED Indicator e Amber TV is powering on light turns off after about 30 se
4. conds left e HP Aqua Blue TV is off but plugged into the power source e No light TV is on or AC power cord is disconnected Remote Control Sensor Receives the signal from the remote control Right SimpleMenu Main Sub1 Sub2 Options Picture Mode Vibrant Standard Studio User Brightness Contrast Saturation Hue Sharpness Color Temp Cool Standard Warm Aspect Ratio Auto 16 9 Mode 4 3 Mode Zoom 1 Zoom2 Panorama PC Auto Sync Audio Mode Voice Standard Music Other Auto Volume On Off Virtual Surround Off Theater Music Hall Speaker On Setup Caption On Off On Mute Default Settings Reset Wiring Diagram ene Main Board Main Board to KP and IR Speaker to Main Board IR Speaker HP LT3700 37 Inch LCD High Definition Television 454401 001 SU to panel Speaker page 2
5. eee eee eee eee eee eee ee eeee s seeee seeeee eee ween fe I O Connectors Name Description HDMI VGA Audio Input Digital High Definition Input Video Input Connector with HDCP Type A e HDMI 1 with HDMI audio in L and R e HDMI 2 HDMI3 Audio L and R must be set to PCM at the source across HDMI VGA monitor input with audio L R line in e Digital Optical in Dolby Digital or PCM format S PDIF e Audio Output L and R stereo analog RCA ANT Cable in RF input 75 ohm unbalanced F type for VHF UHF CATV in Component High Definition Input e 1 Y Pb and Pr and audio L and R e 2 Y Pb and Pr and audio L and R Serial RS 232 Serial input Commercial use only Standard Definition Input e AV Input 1 S Vid Video and Audio L and R e AV Input 2 S Vid Video and Audio L and R Service Port USB For firmware upgrade use TV Indicators and Controls No Description No Description 1 Main board 5 Speaker right 2 Keypad board 6 Power supply unit board 3 IR board 7 AC socket 4 Speaker left 8 Inverter Main Board Layout CN19 CN15 CNi8 GNtiz2 ia I a F i ra J i i aa a pono OP a TU TEL B HY LU UL LU LL do U iil Connector Specification Description CN19 13 pins ROHS Power supply from power converter board CN114 CN15 28 pins ROHS LVDS output signal Between main board and panel CN
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