BenQ VL3735 Service Manual
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BenQ VL3735 Service Manual

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Applicable Country & Regions:
Europe
Product Service Manual – Level 2
Service Manual for BenQ:
LCD TV / VL3735 / PAL
< 9J.M7375.BAE >
Notice:
For RO to input specific "Legal Requirement" in specific NS regarding to responsibility and liability
statements.
Please check BenQ's eSupport web site, http://esupport.benq.com, to ensure that you have the most
recent version of this manual.
First Edition (August, 2006)
© Copyright BenQ Corporation 2006. All Right Reserved.
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Summary of Contents for BenQ VL3735

  • Page 1 Notice: For RO to input specific “Legal Requirement” in specific NS regarding to responsibility and liability statements. Please check BenQ’s eSupport web site, http://esupport.benq.com, to ensure that you have the most recent version of this manual. First Edition (August, 2006)

  • Page 2: Table Of Contents

    Content Index ABBREVIATIONS & ACRONYMS ......................3 ABOUT THIS MANUAL ......................... 4 INTRODUCTION ........................... 5 GENERAL DESCRIPTIONS........................7 RELATED SERVICE INFORMATION....................7 PRODUCT OVERVIEW.......................... 8 ............................10 PECIFICATIONS ..............................52 ACKING ...........................53 USTOMER CCEPTANCE DISASSEMBLY/ASSEMBLY ........................56 ............................56 XPLODED ..........................58 ISASSEMBLY SSEMBLY LEVEL 1 COSMETIC / APPEARANCE / ALIGNMENT SERVICE .............

  • Page 3: Abbreviations & Acronyms

    Abbreviations & Acronyms A/D Converter Analog to Digital Converter BenQ BenQ Corporation Digital Television Electromagnetic Interference HDMI High Definition Multimedia Interface NTSC National Television System Committee On Screen Display Phase Alternating Line RS232 Interface Between Data Terminal Equipment and Data...

  • Page 4: About This Manual

    About This Manual This manual contains information about maintenance and service of BenQ products. Use this manual to perform diagnostics tests, troubleshoot problems, and align the BenQ product. Important Only trained service personnel who are familiar with this BenQ Product shall perform service or maintenance to it.

  • Page 5: Introduction

    Introduction This section contains general service information, please read through carefully. It should be stored for easy access place. Important Service Information RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS. The RoHS (Restriction of Hazardous Substance in Electrical and Electronic Equipment Directive) is a legal requirement by EU (European Union) for the global electronics industry which sold in EU and some counties also require this requirement.
  • Page 6 Compliance Statement Caution: This Optical Storage Product contains a Laser device. Refer to the product specifications and your local Laser Safety Compliance Requirements.

  • Page 7: General Descriptions

    This Service Manual contains general information. There are 3 levels of service: Level 1: Cosmetic / Appearance / Alignment Service Level 2: Circuit Board or Standard Parts Replacement Level 3: Component Repair to Circuit Boards Related Service Information BenQ Global Service Website:http://support.benq.com/front/benqmain.asp eSupport Website:http://bqpgsr.benq.corp.com/customize/asplogin.asp...

  • Page 8: Product Overview

    Product Overview V37C is an 37" diagonal LCD TV with aspect ratio of 16:9 which supports up to 1920*1080 pixels per frame and can be compatible with HD 60Hz signal input. This LCD TV is very thin completely free from electromagnetic distortion. So you can install it just about any place. You can simply place it on a table, hang it on the wall.
  • Page 9 – Aspect Ratio control – 3:2 pull down recovery – 2:2 pull down recovery – Front panel control (7 buttons, power, CH+/-, Vol +/-, Menu, Input) – Power on/standby indicator (ON-Green/Standby-Red) – Backlight of panel can be auto-adjusted by ambient light sensor –...

  • Page 10: Specifications

    Specifications 1 Operational specification 1.1 Environment 1.1.1 Temperature PERATING DEGREES ELSIUS OPERATING DEGREES ELSIUS 1.1.2 Humidity -Operating 10% to 95% non-condensing -Non-operating 10% to 95% non-condensing 1.1.3 Altitude test - Operating 6000 feet about sea level @ 30 ℃ for 4 Hrs 10000 feet about sea level @ 25 ℃...
  • Page 11 45.5 ≦ W<79.4 Test Orientation: 1 conner, 3 edges, 6 Faces. After drop test,no abnormality on function /apperance. Weight ( Kg ) BenQ Spec.Height (cm) 0 - 9 > 9 - 18 > 18 - 27 > 27 - 45 >...
  • Page 12 -A flat drop with impact on the top After test, there is no electrical and mechanical damage permitted. Totally : 1 Corner , 3 Edges, 6 Faces 1.2.3 Vibration Test (Unpackaged, Non-Operating) 5~200Hz at 1.04g rms FREQUENCY (Hz) SPECTRUM LEVEL (g /Hz) 0.0185 0.0300...
  • Page 13 C) Test method: 1)Sample & Sensor Contents Half sine Needs Jig to fix it. Sensor Attached to the center point of LCD TV front side. 2) Method: a)Operating the product under normal condition to check: *Performance *Appearance & mechanical structure. b)Check for any problem in electric operation &...
  • Page 14 The subject product must withstand 8KV for contact discharge and 15KV for air discharge of Electrostatic Discharge and meet the acceptance criteria as specified in BenQ ESD specification. 1.5 Safety Requirements The display unit complies with the following safety standards and specifications.
  • Page 15 1.7 Acoustical Noise 1. Place the sample on a desk which is 0.75 m high. set the microphone to apart 0.3 m from the UUT. 2. To run the diagnostic signal for operation evaluation. 3. To disconnect the UUT from signal 4.
  • Page 16 SIGNAL RED VIDEO GREEN VIDEO BLUE VIDEO Self-test (Cable detector) RED GND GREEN GND BLUE GND PC5V SYNC GND DDC DATA (SDA) HORIZONTAL SYNC(H+V) VERTICAL SYNC DDC CLOCK (SCL) b) HDMI 1.0 Input cable : HDMI to HDMI cable HDMI to DVI-D cable Compatibility: 1.
  • Page 17 2.1.2 Signal Level a) Analog input Level 0.7 volt ± 5% Impedance 75 ohm. TDR scan needed for both D-SUB cable and interface board. b) HDMI input Differential Voltage Level 100~1200 mvolt Common Voltage Level 3~3.2625 volt Connection Impedance 100 ohm. ± 15% Termination Impedance 100 ohm.
  • Page 18 2.4-5.5V, and low level will be 0-0.2V. (3) Video Signal Level The video signal when terminated with an idea 75ohm termination will have a range of 0V to 0.7V (normal), and its full scale output will be 0.7V and black level will be between 0V and 0.1V.
  • Page 19 under these conditions, the monitor cannot cause damage to the source. (2) Video modes Mode tolerance LCD TV recognizes preset modes within a range of ± 0.5KHz for horizontal frequencies and within ± 0.5Hz for vertical frequencies. 2.1.6 PC and HDMI signal support timing a) PC Horizontal Pixel...
  • Page 20 720p 1280x720p 16:9 861A HDTV 1080i 1920x1080i 16:9 861A HDTV 1080p 1920x1080p 16:9 861A HDTV 2.1.7 Power management DPMS mode power consumption: under 15 W. 2.1.8 HDMI certification (1) Must be compliance of HDMI1.0 compliance test by ATC (Matsushita or Silicon Image) to get HDMI logo.
  • Page 21 AV1 = SCART 1 (CVBS, RGB) SIGNAL Signal Level Impedance Tuner Audio Output Right 0.5 Vrms <1K Ohm Audio Input Right 0.5 Vrms >10K Ohm Tuner Audio Output Left 0.5 Vrms < 1K Ohm Audio Ground Blue Video Ground Audio Input Left 0.5 Vrms >10K Ohm Blue Video Input...
  • Page 22 Function Switching 0~2V : RF or other AV >10K Ohm 4.7~7V:SCART 4x3 9.5~12V:SCART 16x9 Ground Ground Comms. Data Ground CHROMA input 0.3V 75 Ohm Video Ground Blanking Ground CVBS Video output 75 Ohm CVBS Video or LUMA Input 75 Ohm (sync input for RGB mode) Common Ground 2.2.2 Signal Support Timing...
  • Page 23 (1) When a full page RGB is to be inserted regardless of pin 8 or pin 16, the user will toggle AV inputs and select AV1 RGB: (A) the horizontal position will be offset to get a full page RGB centred . (Use Philips monoscope pattern in RGB mode as reference).
  • Page 24 2.3 AV3, AV4: CVBS & S-Video video signal 2.3.1 Connector pin definition S-Video Input SIGNAL LUMA CHROMA 4-pin S-VIDEO female The S-Video signal should be auto-detected if a S-Video cable is plugged (S-Video has priority over CVBS). Composite Video and Audio Input 1.
  • Page 25 15.734 4.43NTSC 15.734 PAL-M 15.625 PAL-N 2.3.4 Auto detected The CVBS/S-video signal should be auto-detected if cable is plugged in. Then OSD will skip the non-plugged input source. But the S-Video signal should be priority over CVBS. 2.3.5 AVX power manager N.A.
  • Page 26 2.4.3 Mono, stereo and multi-sound standards Sound Carrier Mono Stereo Bilingual Analog Single FM BG FM BG FM BG FM DKK’ FM DKK’ FM DKK’ FM I FM I FM I AM L/L’ Dual FM BG FM BG FM BG FM DKK’...
  • Page 27 and provide the user with the means to control the sound source possibilities. (3) Sound Processing The sound modes available are defined according to the receiver configuration, type of sound received and the sound information selected (automatically or by the user) as the output to the loudspeaker(s), in the following table.
  • Page 28 The selected sound information values are given below: Mono Channel = L + R (stereo forced to Mono) Sound 1 or Sound 2 [dual mono(bilingual)] Sound 1 or Sound 2 (from AV mode ) Sound 1 or Sound 2 or Sound 3 (Nicam 3) Stereo Channel = L and R (either from Two sound carrier FM stereo or from NICAM) 2.4.6 Channel installation...
  • Page 29 (3) Auto Up-date Installation The TV will be able to search automatically for new stations. (4) Direct Frequency Access The user can attempt to tune the set on a station by directly entering the frequency, if known. (5) Manual Installation In a pre-set transmission standard, the user has the possibility to search for a particular station at any Tuner accessible frequency.
  • Page 30 (3) Y Input for YCrCb or YPrPb. Component audio pin define : (1) Audio Input, right channel, for YCrCb or YprPb (2) Audio Input, left channel, for YCrCb or YPrPb 2.5.2 Signal level Video Signal Level Y:1Vp-p, negative, Cb&Cr : 0.7Vp-p, Pb&Pr: 0.7Vp-p. Impedance 75 Ohm.
  • Page 31 2.5.4 Auto detected The Component signal should be auto-detected if cable is plugged in Y input connector. Then OSD will skip the non-plugged input source. 2.6 Teletext (For EU model only) The user has selected the teletext display and is navigating the teletext system. The TV system supports the insertion a news flash or a subtitle box from the teletext decoder on top of the live video (fast blanking function required).
  • Page 32 2.7 Audio monitor / Earphone output Ω Ω > > < < < < > > < < 2.7.1 Audio monitor output Signal (1) Level <=500mVrms (2) Impedance < 1kΩ (3) 3.5mm phone plug is used for stereo audio signal output. 2.7.2 Earphone output (1) power L/R Max.
  • Page 33 certain time set by the user. 2.8.2 Picture Features (1) Picture Control Each video input (ATV, AV1, AV2, AV3, AV4, HDMI, Component1/2 ) has a separate set of brightness, contrast and color but sharpness is stored by program. PC inputs have a separate set of brightness, contrast, phase, V position, and H position.
  • Page 34 2.9.1.3 Rated Frequency It is normal for 50Hz or 60Hz and single phase. 2.9.1.4 Frequency Range The power supply shall operate with an input frequency from 47 Hz to 63 Hz. 2.9.1.5 Steady AC Current Maximum steady state input current is less than 4A (RMS) at 200Vac input and maximum load.
  • Page 35 47~63Hz. Note8. Without PFC, but must be reserve passive PFC. Note9. If design to adopt local vendor MOSFET, PWM IC, Output rectifier, please discuss with BenQ RD. 2.9.2.4 Stability The power supply is unconditionally stable while operating within its normal operating specific 2.9.2.5 Turn On Delay Time ( Power On Time )
  • Page 36 output voltage Is in 1.2.2 range. Step load : changed for a 25% step load. The slew rate of load change: 1A per microsecond. Duty of step load: 50% Transient frequency range: 100Hz to 1KHz 2.9.2.8 Protection 2.9.2.8.1 Over Voltage Meet Safety regulation.
  • Page 37 2.10 Closed Caption (for US Model Only) N.A. in E.U. version 2.11 V-Chip (for US Model Only) N.A. in E.U. version 3. Functional specification All the tests to verify specifications in this section must be performed under the following standard conditions unless otherwise noted. The standard conditions are: -Temperature : 25 +-5 degree Celsius -AC line input voltage : 200Vac to 240Vac, 50Hz or 60Hz -Checking display mode: All the presenting modes.
  • Page 38 Coordinate 0.300 0.330 0.360 Green 0.260 0.290 0.320 0.570 0.600 0.630 Blue 0.120 0.150 0.180 0.030 0.060 0.090 White 0.250 0.280 0.310 0.260 0.290 0.320 Response Rise (G to G) Time (ms) 85/85/85/85 Viewing angle by CR≥5 White variation δW 1.
  • Page 39 for which CR 10. See figure below: Normal θ Ф = 90 Ф Ф = 180 Left Ф = 0 Right Ф = 270 Down 6. Response time Tf measures the transition time of L1 relative luminance from white to black state, from 90% to 10% (see graph below) Tr measures the transition time of L1 relative luminance from black to white state, from 10% to 90% (see graph below)
  • Page 40 2 Bright dots ≦ 0 dots 3 Dark dots ≦ 6 dots 4 Total dots defect ≦ 6 dots 5 Continuous Two continuous bright dots(in vertical, horizontal direction) : Not defect allowed Three continuous bright dots (in vertical, horizontal direction) : Not allowed Two continuous dark dots (in vertical, horizontal direction) : ≦...
  • Page 41 3.2.3 Audio Output Connector: RCA connector * 5 Signal: R output, L output, and Subwoofer output. 1.) L, R => Reach 500mV(RMS) @500mV(RMS) input, 1KHz 2.) SPDIF => 0.5~1.0V, biphase-mark-code 3.2.4 Headphone Jack 30mW/32 @500mV(rms) input Ω 3.3 Key pad control 3.3.1 Power key Push this button to turn the whole system on.
  • Page 42 3.4 Remote Controller...
  • Page 43 Power: Press this key to turn ON/OFF power of TV set. ▲▼ Move highlight up and down on OSD to select desired function. These keys can be used to select character at manual installation mode. These keys can be used to select character at manual installation mode. Select/Enter highlight part on OSD.
  • Page 44 Sleep timer setup (OFF→30→60→90→120 minutes): Press this key to set up sleep timer. Default value is OFF. If sleep timer is set up already, press this key to display rest of time. Keep pressing to reset sleep timer. For example, if sleep timer still has 23 minutes left, press this key to set up like following 23→OFF→30→60→90→120.
  • Page 45 Press this key to go to next page of teletext Press this key to go to previous page of teletext Press this key to go to index page of teletext MENU Press this key to display OSD function. Press again to exit OSD function. At OSD function, use this key to go back upper level of menu.
  • Page 46 DPMS, Frequency, Phase, H. Position, V. Position , Auto Timers ,Backlight ,Reset to Default OSD flow chart Please refer to document MRS 9J.M7375.BAE C0-001-000 4. Physical Specifications 4.1 Physical Dimension & Appearance 4.1.1 Overall Dimensions: ITEMS Specification TV set 27(KG) LCD_TV weight TV set Footprint W×D...
  • Page 47 Fig(1) Physical Dimension 4.2 Construction and Materials on outer surface ITEMS Specification Material ABS94-V0 Texture Polish #800 <8 Heat Defection Temp. 65°C Flame Retardant Pkg None Flammability 94 V0 Color See Fig. 2 Appearance Color Definition.
  • Page 48 Fig. 2 Appearance Color Definition 4.3 Base ITEMS Specification TV set *295 4.4 Marking & Labels 4.4.1 Reference Label (Rear panel) (1) Reference numbers (2) Manufacture data (3) Agency Approvals (4) Power Ratings...
  • Page 49 4.4.2 Controls & Connectors (1) AC power cord input: abbreviated labels (2) User's Controls: standard print 4.5 Assembly Specification ITEMS Specification Gap LCD Panel/bezel Gap spec please refer to C321 document Gap front/rear cover 0.5<gap<1.5mm Gap between other plastic parts <1.0mm Step in the same plastic <0.8mm...
  • Page 50 4.6 Packaging 4.6.1 Carton Dimension: 1130 mm (W) *330 mm (D) * 889mm (H) 4.6.2 Shipping Weight: 31.0 kg 5. Maintainability Specification 5.1 General & Requirements 5.1.1 Installation: From outside of unit with standard tools and documentation provided to user. 5.1.2 Periodic Maintenance: No periodic maintenance is required.
  • Page 51 5.2.2 Component Level Component: Less than 30 minutes 5.3 Accessibility 5.3.1 General: All panels, covers, and major assemblies are removable without disruption of permanent mounting or fasteners. 5.3.2 Outside Cabinet, access to the following elements -Operating Controls -Power Connector 5.3.3 Cover Removal, Access All sub assemblies and internally adjustable components may be accessed by removing the stand and the rear cover .

  • Page 52: Packing

    Packing...

  • Page 53: Customer Acceptance

    Note: If BenQ defect undefined failure, and it judged that is reduce the merchandise ability, BenQ CM Inform this defect. After that parties make communication and decide how to solve.
  • Page 54 CLASSIFICATION OF DEFECTIVES A defective is a product, which contains one or more defects. The defective will be classified into following classes: Critical defective A critical defective contains one or more critical and may also contain major and/or minor defects. Major defective A major defective contains one or more defects and may also contain minor defects but contains no critical defect.
  • Page 55 . Visual inspection shall be down with the distance from eyes to the sample 45 cm. . Display mode: Primary mode SXGA 60Hz 11. TEST EQUIPMENTS 11.1 BenQ PCs with BenQ display adapter or other specific display adapter, which is agreed upon by both parties 11.2 Test program by BENQ 11.3 Power saving test tool...

  • Page 56: Disassembly/Assembly

    Disassembly/Assembly Exploded View...

  • Page 58: Disassembly / Assembly

    Disassembly / Assembly Disassembly Parts: Rear Case/Main BD/Power BD/ Audio BD/ Connector BD/IR BD/Front AV/Foil Disassembly Part Sub- Description step Rear Case Disassembly Rear Case Main BD Power BD Keypad+Senser Side AV BD Foil Side AV BD Remove Side AV BD PWR BD Remove PWR BD...
  • Page 59 Keypad BD Remove Keypad BD Sensor BD Sensor BD Remove Sensor Foil Remove the foil Main BD Main BD Remove Main SHD...
  • Page 60 Remove screws on connectors Remove main BD...
  • Page 61 Disassembly Parts: Keypad/Button/Decorated plate Disassembly Part Sub- Description step Keypad BD Remove rear case Button Decorated Plate Speaker Remove Side AV BD Speaker CVR Speaker CVR Remove the rubberand black tape Remove keypad...
  • Page 62 Disassembly Parts: Bezel/Panel Disassembly Part Step Description Bezel Remove Base Panel Remove rear case Remove Front AV BD...
  • Page 63 Remove side CVR Remove the tape which fix the keypad wire Remove Keypad wire...
  • Page 64 Remove screws between bezel and (main frame+panel) Panel Remove side BKT Remove screws on top and bottom side of main frame...
  • Page 65 Remove LVDS wire Main Frame Panel Remove Inverter-PW wire*2 on panel...
  • Page 66 Remove Gasket*4 on panel Bazel Remove Keypad BD Remove the Speaker Remove the Speaker cover...
  • Page 67 Disassembly Part: Base CVR Disassembly Part Sub- Description step Base CVR Remove Base Remove CVR Base Remove CVR Hinge...

  • Page 68: Level 1 Cosmetic / Appearance / Alignment Service

    Level 1 Cosmetic / Appearance / Alignment Service Visual Inspection & Cleaning PART I. VISUAL INSPECTION 1.0 Inspection distance for different zone: and timing to inspect Zone A: Front view of the bezel. Zone B: a) Top view and right view of the bezel. b) Front view of base stand. Zone C: Other areas can be defined as zone C.
  • Page 69 1.1 Appearance Inspection Criteria A 級面 (A surface ) B 級面 (A surface ) C 級面 (A surface ) 規格 (Spec) 允許數 (Number of defect) 允許數 (Number of defect) 允許數 (Number of defect) 面積 cm 23”~ 27”<~ 23”<~ 27”<~ 23”<~ 27”<~ ( Area cm ≦...
  • Page 70 Scratch: 刮傷(Scratch): 每個檢查面允許缺點數 目視 & 當製程無法 Defects of specified area 避免則以限度樣品 Visual Inspection, 區域 寬 / 長 ＞ 兩不良點間允許最 Ruler & when scratch Zone Width / Length 10*10 cm 50*50 70*70cm 100*100cm 100*100cm ≦ ≦ 小距離 is unable avoid by Minimum distance make condition, then Of two points...
  • Page 71 Step between different plastics <1.0mm LCD module centering Viewable area cannot be hidden by the front bezel Description Class Packing 1.1 Wrong packing material Major 1.2 Carton damaged (over 6cm dia). Wet, badly taped or stapled, product will not Major arrive in good condition at customer 1.3 Carton damaged (3cm to 6cm dia), badly taped or stapled, product will arrive in Minor...
  • Page 72 Description Class 3.12 Finishing of piece parts will not arrived in good condition at the customer Major 3.13 The step between the plastic>1.0 mm Major 3.14 Gap between other plastic parts is over spec (refer to PS1) Major 3.15 Wiring or fixing cord comes out of cabinet or jammed Major 3.16 Auxiliary material used during production not removed Major...
  • Page 73 5.6 Poor wire routing, which is no concerned on EMI Minor 5.7 Cold soldering/loose connections (Electrical) Major 5.8 Wires and mechanical structure do not meet UL/CSA or TUV Critical 5.9 Wrong parts, broken component, not safe Critical 5.10 Component burn Critical...
  • Page 74 PART II. OPERATIONAL INSPECTION CRITERIA 2.1 TEST PATTERN PATTERN TEST ITEM FULL WHITE H - Size, V - Size Light Output – Measuring the 9 points average Brightness uniformity check Impurity, dot check OFFSET, TILT FULL R, G, B, Window pattern Impurity, dot check, mura Full White/Black Contrast ratio, dot check, blemish check...
  • Page 75 PATTERN TEST ITEM 256/32/16 Gray Gray Check Check color temperature Including warm; cool; neutral; user General-1 pattern Performance/function check Performance/function check N-test Performance/function check TV-pattern-square Performance/function check The grid can’t be overlapped...
  • Page 76 Scrat pattern- horizontal color bar Performance/function check Scart pattern-digital scan_ADC1 Performance/function check Scart pattern-vertical gray bar color bar Performance/function check Scart DVD Picture Performance/function check TV-pattern- horizontal color bar Performance/function check TV-pattern-vertical gray bar & color bar Performance/function check...
  • Page 77 TV-pattern-digital scan_ADC1 Performance/function check TV and Scart function – Teletext Function check 2.2 Test content Test Condition TEST ITEM Input Equipment VGA480 / Gen 1 H - Size, V - Size Cross-talk Timing VESA1024 / 256 gray scale Gray scale check D-SUB Timing APPLE16 / BLUE180 MURA...
  • Page 78 PAL disk Picture quality Output = PAL 4.43MHz / 50 Hz Y Cb Cr L-R balance check Sound quality Use PAL B/G system 1. Vertical color bar FM Germany stereo or FM Mono 2. Square pattern Contrast TV channel list choice 4 3.
  • Page 79 2.3 Specification: Item Pattern Condition Specification H size Contrast: Preset 1920X1080 Brightness: Preset (819.36) V size Contrast: Preset 1920X1080 Brightness: Preset (460.89) Light Output Contrast: Max. 800 cd/m (Typical) (W/O PMMA) Brightness: Max. 550 cd/m (Typical) Brightness & Contrast: Preset Max.
  • Page 80 2.4 OPERATIONAL INSPECTION CRITERIA: Description Class Warm up time 1.1 After switching on the product the appearance of the picture takes more than 3 Major sec. 1.2 After appearance of the picture, picture quality is not acceptable after more than 5 Major 1.3 No display Major...
  • Page 81 Remote control testing distance Test condition Specification 測試項目 0˚ ± 30˚...
  • Page 82 PART III INSPECTION CRITERIA 3.1 Panel electrical inspection specification: (AUO panel) Inspection Item Specification 1 Line defect Can’t be seen. 2 Random dot defect Bright dot ≦ 0 dots Dark dot ≦ 7 dots 3 Total dots defect ≦7 dots 4 Continuous defect Two continuous bright dots ≦...
  • Page 83 3.2 Appearance specification 3.2.1 Judgment conditions 1) To be a distance about 45cm in front of LCD TV unit, judge the visual appearance with human’s eyes. 2) If there is any question while judging, check the panel again while operating. 3.2.2 Appearance inspection specification AUO panel Judge area...
  • Page 84 3.3 Timing table 3.3.1 PC system Incoming display mode (Input timing) Resolution Horizontal Frequency Vertical Dot Clock Remark (Hz) Frequency (Hz) Frequency (MHz) 640X480 31.469 59.94 25.175 800X600 37.90 60.317 40.00 VESA 1024X768 48.4 60.00 65.00 VESA 1080X1024 64.0 60.00 108.00 VESA 3.3.2 Video &...
  • Page 85 Appearance S P E C S P E C Spec A: Gap between Panel and Cover frame: 0.3 ≤gap ≤1.5 mm Spec B: Gap between Bezel and Cover Rear: 0 ≤ gap ≤1.2 mm Spec C: Step between Cover rear and Cover Av Box: step ≤0.5mm Gap between Cover and Cover Av Box : 0.7≤...

  • Page 86: Software/Firmware Upgrade Process

    Software/Firmware Upgrade Process The procedure of update new software list below. download cable "RS232 <=>D-sub" 1. Use download cable to connect PC and LCDTV D-sub input. 2. Select file "FlashUpgrader.exe". 3. Mode => flash, options => Reset Target After Download. 4.

  • Page 90: Adjustment / Alignment Procedure

    Adjustment / Alignment Procedure 1. Preparation : (1) Setup input timing SVGA2(38.879K, 60.317Hz) & 32-Grays pattern. (2) Enter factory OSD. (3) Enter the Auto Turn on mode. (4) Power off the monitor, then power on again. (5) Setup unit and keep it warm up at least 1hour. (6) Backlight should set to “...
  • Page 91 4. YPbPr ADC Calibration : (1) Setup input timing HDTV720P & “SMPTE Color Bar (0 IRE, 75% Color)” pattern component connectors. (2) Setup “source” to “YpbPr”. (3) Select 16:9 format. (4) Enter factory OSD. (5) Enter the “ADC CAL….” page and run “Calibration” function. (6) Execute “Input SMPTE 75 color bar for 720P”...
  • Page 92 Table 1-2 Color temp item P-C/V-C @factory OSD Cool Color 7800°K temperature 0.270±0.01 0.280±0.01 Table 1-3 Color temp item P-W/V-W @factory OSD Warm Color 12000°K temperature 0.295±0.01 0.311±0.01 (3) Table 2 : default value of internal gain and RGB drive & offset: Color temp item @factory OSD Neutral...
  • Page 93 (4) Table 3 : limit value of RGB drive & offset: Color temp item P-N/ @factory OSD Neutral Neutral Color 9300°K 9300°K temperature Red drive 115~145 120~150 Green drive Blue drive Red offset 118~132 118~132 Green offset Blue offset 6. Video Color adjustment : (1) Input source set the AV3 (CVBS) Video input.
  • Page 94 Cool Neutral R Neutral G Neutral B Neutral R Neutral G Neutral B 7. PC Color adjustment : (1) Input source set the PC input. (2) set the picture to standard mode at user OSD. (3) Enter factory OSD, select Image Processor Tuning, select color Temp. (4) Set the drive to maximum, measure in this condition the maximum luminance (Ymax).
  • Page 95 Besides, you can get the software version information on this page. showing picture as below:...
  • Page 96 10. EMI Debug Solution Report C:\Documents and Settings\holio...

  • Page 97: Level 2 Circuit Board And Standard Parts Replacement

    Level 2 Circuit Board and Standard Parts Replacement System Block Diagram Vl3735 uses HD V2 (1920x1080) LCD Panel to display image.. This LCD TV can accept the following input sources: (1) HDMI connector (2) D-SUB connector (3) PC audio jack (4) Component (5) SCART (Full &...
  • Page 98 (8) Audio(L/R) (9) Analog TV Tuner (PAL) As shown in the system block diagram, there are 6 boards in the system. The PCB are listed as followed, (1) Main Board (2) Video Board (3) Keypad Board (4) Power board (5) IR and Light sensor board (6) Side AV Board...

  • Page 99: Troubleshooting

    Troubleshooting 1. System Trouble Shooting Flow Chart Power On OK? Check Power BD. Check wire connection between power board and main board. Check LVDS cable connection between main board and LCD panel. Backlight OK? Check wire connection between power board and inverter board. Check LVDS cable connection between main board and LCD Check MODULE_ON on the main BD.
  • Page 100 2. Main board trouble shooting (1) Main: REMOTE 1. Check U19 reset successful? POWERON 2. J12 pin 11, signal OK? 1. U16, U17,U18 OK? Image OK? 2. Check U17 Pin16 with 180Mhz 3. Check L101 is 2.5V ok? 1. check U5 and U10 PC D-sub OK? 1.
  • Page 101 3. Video board trouble shooting guide S-video is OK? 1. Check L42, L13. 2. Check R100, C75, C27,C28, 3. Check U4,R90,R95,R93,Q7,R97 Composite is 1. Check L41,C25,C26,L12 2. Check U4, R107,R92,C73. 3. Check R101,R91,Q10,R102 1. Check L9,C19,C221,L5,L6,L7 SCART is OK? C15,C16,C17,C218,C219,C220. 2.
  • Page 102 4. IR Board trouble shooting flowchart LED OK? 3. Check LED1,R8,R9 4. Check R6,R7 IR OK? 1. Check J2 pin 10 ,+5VS 2. U2 is OK ?? 5. Keypad trouble shooting flowchart Keypad OK? 1. Check J2 2. Check L2 (+3.3V), R3,R4 6.

  • Page 103: Level 3 - Component Repair To Curcuit Boards

    Level 3 - Component Repair to Curcuit Boards Theory of Circuit Operation 1. Main Board In the main board circuits, it contains Audio amplifier (TPA3100D2), AD converter (AD9883), HDMI receiver (SII9011), Video decoder (SAA7117/AE), de-interlace with Scalar (PW318C). 1.1. Overview 1.
  • Page 104 1.2 Graphic Port Input circuit A/D converter circuit +3.3VPVDD_ADC C522 PLL Loop Filter 82N K R419 C523 2.7K 8200P K R420 PC_VSO 3 R421 PC_HSO 3 IN0CST 6 R422 R423 IN0CMP 6 +3.3VD_ADC +3.3VDD_ADC C524 0.1U K IN0B[2..9] IN0B[2..9] 2,6 RN45 ADBE0 IN0B2...
  • Page 105 G(1) +5VS 5V_CBL +3.3V_HDMI BAV70LT1G A(1) D(3) J(3) S(2) 5V_E2P K(2) +3.3V_HDMI 5V_CBL 5V_CBL 5V_E2P PWR5V 0.1U K 4.7K 4.7K R333 NM_1K HDMI_HPD AT24C02N-10SU-1.8 NM_2N3904S DDC(HDMI) TP43 TP44 SHELL1 HP DET TP45 HDMI_SDA HDMI_DDC_SDA HDMI_DSDA TP46 SHELL3 DDC DATA HDMI_SCL HDMI_DDC_SCL HDMI_DSCL TP47...
  • Page 106 1.3 Video port input circuit – SAA7117 Video decoder Circuit R116 0 SDA_VD 3.3VD_7117 R117 0 SCL_VD R118 EN_VD R119 RST_VD R120 R121 0 +5VS IN1HS (2A, 0.1 OHM, 0603) 1.8VD_7117 1.8VA_7117 TP51 3.3K R122 0 IN1VS SDA_VD R123 C168 C170 C171 Z220...
  • Page 107 This LCD TV can use RS232 download connector to download new software or control this LCD TV by RS232 commands. The RS232 transceiver U3 is used to transmit/receive RS232 signals between MCU and download connector. 5. IR receiver: The front IR receiver accepts IR signal from front side direction. The carrier frequency is 38kHz.
  • Page 108 1.6. DC to DC converter circuit – SI-8008 Because the PW318C is need a lot of power for its core (1.8V) and memory (2.5V). We use the DC to DC converter SI-8008 to provide the function which is converted the 5Vs to 1.8Vs and 3.3Vs.
  • Page 109 interface. It can be provided 4 S-video/composite inputs, 3 composite inputs and 3 S-video/composite outputs. We use it to multiplex AV1~4 and TV signals to output to main board. 9V_MUXOUT pin voltage R242 5.6K J C231 1U K DVI_AU_L (push-pull) Z220 = 4.5V R243...
  • Page 110 2.3 Audio processor – MSP4411K Audio processor Circuit +5VA Z220 0.1U K R152 R153 12K J SIF IN From TU R154 C104 C106 C101 C102 910P J C100 390P J 0.01U K 12P J 12P J TV_SIF BC848B C103 1000P J C105 470P K +5VA R155...
  • Page 112 2.4 PAL tuner – THOMSON FE6234B PAL tuner Circuit SUB_SCL1_TU SCL_CONN 1,4,5 AGC(int) SUB_SDA1_TU SDA_CONN 1,4,5 FM Ant-in 100P J 100P J Z220 +5V_TU +5V-T 0.1U K 100P J 0.01U K 220U 16V +5V-T 1000U K +5V_TU 33V_TU 0.022U K +33V LL4148 ZD28...
  • Page 113 3. DTV module connector reserved 3.1. Overview 2K01033040 DTV_SPDIF TP174 TP175 L120 Z120 DTV_SPDIF DTV_MO_Y 3 TP176 DTV_DL_RX TP177 TP178 L121 Z120 (PC-->DTV_CPU) DTV_DL_RX DTV_MO_PB 3 TP179 DTV_DL_TX TP180 TP181 L122 Z120 (DTV_CPU-->PC) DTV_DL_TX DTV_MO_PR 3 TP182 DTV_CM_RX_OUT TP183 TP184 (PW318 -->...

  • Page 114: Circuit Schematics

    Circuit Schematics...

  • Page 129: Pcb Artwork

    PCB Artwork...

  • Page 149: Appendix 1 - Screw List /Torque

    Appendix 1 – Screw List /Torque SCREW DESCRIPTION Q’TY TORQUE WHERE USE Q’ty (KG-CM) 8F.00010.161 SCRW TAPTILE TRS W/EXT M4*8L Main Frame Power cord to ground 8F.1A72A.120 SCRW MACH PAN M6*12L B-NI 11-13 Hinge to Main Frame 8F.1G726.100 SCRW MACH PH W/FL M4*10L Panel to Main Frame B-NI Panel to Side Mount...

  • Page 150: Appendix 2 - Code List: Ir/Rs232

    Appendix 2 – Code List: IR/RS232 RS232 Code 1. ADC CAL… …Operation Function ID No. op_PC_Calibration_Start ADC Calibration 2. Color temperature can use Red、Green、Blue Drive and Red、Green、Blue offset to adjust Video and Graphic (Warm /Cool/Normal) independently and immediately. (Set/Get) Operation Function ID No.
  • Page 151 4. Select Source: Get current Source / Change Source Operation Function ID No. Value source change EURO 0 PC 0 PC 1AV4 (REAR-CVBS) 1 AV1 (CVBS) 2AV4-S (REAR-YC) 2AV1-S (YC) 3AV3 (SIDE-CVBS) 3AV3 (CVBS) 4AV3-s (SIDE-YC) 4 AV3-S (YC) 5DVI 5 DVI 6 HDMI 6 HDMI...
  • Page 152 Brigtness: Get User Brightness value Operation Function ID No. Value op_Brightness Get User 0~32 Brightness value 9. Contrast: Get User Contrast value Operation Function ID No. Value op_Contrast Get User 0~32 Contrast value 10. DPMS Enable: Enable/Disable DPMS . Operation Function ID No.
  • Page 153 12. Default Language setting from shipment. Operation Function ID No. Value // EU ENGLISH 0 FRENCH DUTCH GERMAN 3 op_Default_Language Language setting ITALIAN from shipment SPANISH // GA ENGLISH SIM_CHINESE TRAD_CHINESE Auto: Auto Adjust position/Phase in PC mode. Operation Function ID No.
  • Page 154 Operation Function ID No. Value op_Tuner_Channel_Up_D Up/Down 0:Down Tuner Channel 1:Up 18. High Deviation set Operation Function ID No. Value op_ HDEV3 High Deviation 0:Off setting 1:On 19. Auto Scan Blanking Operation Function ID No. Value op_ Auto Scan Blanking Set Auto Scan 0:Off Blanking...
  • Page 155 21. Default Country setting for shipment. Operation Function ID No. Value //GA support the below countries: CHINA CHINAHONGKONG 1 SINGAPORE INDIA SAUDI_ARABIA ISRAEL MALAYSIA THAILAND VIETNAM INDONESIA op_Default_Co Country setting for GAOTHERS untry shipment //EU support the below countries FRANCE NETHERLAND GERMANY ITALY...
  • Page 156 23. Hotel Start Position: Set the default source for hotel mode Operation Function ID No. Value op_Hotel_Po Set the default source for sition hotel mode Position1 Position2 Position3 Position4 Position5 Position6 Position7 Position8 COMPUTER COMPOSITE_1SVIDEO_1 COMPOSITE_2 SVIDEO_2 DIGITAL HDMI HD1_VD HD1_AD HD2_VD HD2_AD...
  • Page 157 26. Bass Operation Function ID No. Value op_Bass Set Bass 0~24 (user value -12~12) 27. Audio balance Operation Function ID No. Value op_Balance Set Balance 0~24 (user value -12~12) 28. Picture preset mode Operation Function ID No. Value op_Picture_Mode Set picuture 0: Standard mode 1: Cinema...
  • Page 158 31. Audio sound type Operation Function ID No. Value op_Sound_Type Set audio av 0: Sound1 sound type 1: Sound2 2: Auto 32. Audio volume mute Operation Function ID No. Value op_Mute Set mute or 0(mute) unmute 1(unmute) 33. Audio speaker out Operation Function ID No.
  • Page 159 36. Backlight Operation Function ID No. Value op_Backlight Set Backlight 0: Bright 1: Normal 1062 2: Dark 3: Auto 37. PIP mode Operation Function ID No. Value op_PIP_Mode Set PIP Mode 0: Full screen 1063 1: Video on Graphic IR Code power source backlight...
  • Page 161 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 1 of 12 V37C Model Name: Marketing Description : 1. Preparation : (1) Setup input timing SVGA2(38.879K, 60.317Hz) & 32-Grays pattern. (2) Enter factory OSD.
  • Page 162 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 2 of 12 V37C Model Name: Marketing Description : 4. YPbPr ADC Calibration : (1) Setup input timing HDTV720P &...
  • Page 163 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 3 of 12 V37C Model Name: Marketing Description : 0.283±0.01 0.297±0.01 (Ymax-20%) ± 5% nits With Y>400 nits Table 1-2 Color temp item P-C/V-C...
  • Page 164 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 4 of 12 V37C Model Name: Marketing Description : Color temp item @factory OSD Neutral Neutral Color 9300°K 9300°K temperature...
  • Page 165 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 5 of 12 V37C Model Name: Marketing Description : (6) setup input timing to PAL with “100% white” pattern.
  • Page 166 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 6 of 12 V37C Model Name: Marketing Description : (11) Go to step (6) until the 30% and 100% White pattern meet the table 1 spec. (30% white :-10 ~ +10 , 100% white: –10 ~ +10, (Ymax-15%) ±...
  • Page 167 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 7 of 12 V37C Model Name: Marketing Description : 9. software download procedure The procedure of update new software list below. Form No: BQY0-0B-003-32(031205)
  • Page 168 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 8 of 12 V37C Model Name: Marketing Description : download cable "RS232 <=>D-sub" 1. Use download cable to connect PC and LCDTV D-sub input . 2.
  • Page 169 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 9 of 12 V37C Model Name: Marketing Description : Form No: BQY0-0B-003-32(031205)
  • Page 170 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 10 of 12 V37C Model Name: Marketing Description : Form No: BQY0-0B-003-32(031205)
  • Page 171 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 11 of 12 V37C Model Name: Marketing Description : 11. EMI Debug Solution Report Form No: BQY0-0B-003-32(031205)
  • Page 172 Product System (PS) C3-323 Alignment & Assembly 9J.M7375.BAC Subject: Part No.: Rev.: Concerns 9J.M7375.BAC-C3-323-001 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 12 of 12 V37C Model Name: Marketing Description : C:\Documents and Settings\holio Form No: BQY0-0B-003-32(031205)
  • Page 173 Product System (PS) C4-425 Trouble Shooting Guide 9J.M7375.BAT Subject: Part No.: Rev.: 9J.M7375.BAT-C4-425-00 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 1 of 3 V37C Model Name: Marketing Description : System Trouble Shooting Flow Chart Check adapter AC socket to LCD TV. Power On OK? Check cable connection between power board and main board.
  • Page 174 Product System (PS) C4-425 Trouble Shooting Guide 9J.M7375.BAT Subject: Part No.: Rev.: 9J.M7375.BAT-C4-425-00 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 2 of 3 V37C Model Name: Marketing Description : Board trouble shooting flowchart main board Check L109, L111, L112, Q35, Q36 LED OK? Check power +5VS Check U2 and LED1 of Light Sensor board...
  • Page 175 Product System (PS) C4-425 Trouble Shooting Guide 9J.M7375.BAT Subject: Part No.: Rev.: 9J.M7375.BAT-C4-425-00 Doc. No. 9J.M7375.001 Project Code: Component Part. No.: Page 3 of 3 V37C Model Name: Marketing Description : 1. Check U61, +3.3VA, 1V8_ADC 1. Check J2, J3 of video board S-Video OK? 2.
  • Page 176 DTV_15V 3 3 U M 0 .1 U K 22/12/2005 2K01033040 To DTV Module SIDE-AV / DTV INPUT Screw Holes BenQ Corporation Optical Points Project Code Model Name OE M /ODM Model Name 9J.M7375.001 V 37C < O EM/ODM> Title...
  • Page 177 STANDBY MODE: 0V (PWR_ON = LO) +5VS 0 .1U K D-SUB INPUT DTV_DL_RX M CU_RX RX D DTV_DL_TX BenQ Corporation L : PW318B MCU_TX H : DTV DL Project Code Model Name OE M /ODM Model Name 9J.M7375.001 V 37C <...
  • Page 178 V B_U 3.3U K COMPONENT SWITCH C8 4 C8 5 C8 6 C8 7 4 7 U 16V BenQ Corporation 8 2P J 8 2P J 8 2P J Project Code Model Name OE M /ODM Model Name 9J.M7375.001 V 37C <...
  • Page 179 HDMICL K R102 - 0.1U (16V) IN0 CL K 5,7 TP197 R329 ZD20 ZD21 BenQ Corporation - 1000p (50V) 2 B 1 0 323031 TZMC5V1 TZMC5V1 Pr oject Code Mo d el Name O EM/O DM Model Name Reset#: HardWare Reset (Low Reset) 9J.M7375.001...
  • Page 180 0 .1 U K 0 .1 U K 0 .1 U K 0 .1 U K 0 .1U K 0 .1U K 0 .1 U K BenQ Corporation + 3 .3 VD_ADC + 3 .3 VPVDD_ADC Z220 Z220 19mA TYP. 8mA TYP.
  • Page 181 0 .1U K 0 .1 U K 0 .1 U K 0 .1 U K 0 .1 U K 0 .1U K Z220 BenQ Corporation (2A, 0.1 OHM, 0603) Project Code Model Name OE M /ODM Model Name 9J.M7375.001 V 37C <...
  • Page 182 DVAA18_318 DCLK PLL 1.8V POWER 3V3D_318 * POWER/GROUND C251 Z200 (0402) (175mA) 1 U K U1 5E BenQ Corporation C252 2 20U 16V Project Code Model Name OE M /ODM Model Name Put these 9J.M7375.001 V 37C < O EM/ODM>...
  • Page 183 M MD28 M D28 M MD29 M D29 128Mb R183/R186-->open M MD30 M D30 M MD31 M D31 BenQ Corporation K 4 H5 6 1638F-UCCC RN3 2 R MA4 CPU&SCALAR: R MA10 MA10 Project Code Model Name OE M /ODM Model Name...
  • Page 184 NOT WORK AT STANDBY MODE) U2 0 B SN20 R220 R2 21 C289 RESETn R290 NM_0 BenQ Corporation S DA _ CONN S DA2 0 .1 U K 3V3D_318 +5VS Project Code Model Name OE M /ODM Model Name G690L293T71F 4.7K...
  • Page 185 CPU&SCALAR R237 6.8K M ODULE_ON 2N3904S C294 * TTL OUTPUT 3 3 U M G(1) S(2) BenQ Corporation Project Code Model Name OE M /ODM Model Name 9J.M7375.001 V 37C < O EM/ODM> Title M A IN B OARD Size P CB Re v.
  • Page 186 S CL _ CPU 4 ,5,9 INTERFACE:VIDEO, KEY, INT _SENSOR 7 IR/LED, LIGHT SENSOR Z600 A DC0 _KPD 9 Z600 A DC1 _KPD 9 BenQ Corporation C312 C313 C314 C3 15 Z D1 6 Z D1 7 Project Code Model Name...
  • Page 187 220U 25V C335 C407 +3.3VS L67 Z220 +2.5VS <Spec> 47U 16V 22U 16V L101 R326 <Spec> <Spec> C340 BenQ Corporation GND_POWER 1U K C336 C337 Project Code Model Name OEM/ODM Model Name G953-25T6UF 10U M 220U 16V R257 C339 9J.M7375.001 V37C <OEM/ODM>...
  • Page 188 Audio Output / Speaker : 8 ohm/15W Gain 1 Gain 0 Amplifier Gain Audio Input ; Vrms Audio Input : Vp-p 1.06 Vrms 3 Vp-p BenQ Corporation 0.524 Vrms 1.482 Vp-p Pr oject Code Mo d el Name O EM/O DM Model Name 9J.M7375.001 V37C <OEM/ODM>...
  • Page 189 NM_4.7K 1. Motor On/Off => "L" Motor Reverse NM_2N3904S C389 TP193 R288 NM_4.7K NM_0.1U K MotorControl_forward NM_2N3904S +5VA BenQ Corporation Project Code Model Name OEM/ODM Model Name 9J.M7375.001 V37C <OEM/ODM> Title NM_BAV99 NM_BAV99 MAIN BOARD Size P CB Rev. Document Number R ev.
  • Page 190 0.1U K 100U 16V 0.1U K +5VA +15/12VJ R237 C216 C217 Z1000 SIDEAV_SDET 470P K 470P K BTB INTERFACE BenQ Corporation Project Code Model Name OEM/ODM Model Name 9J.M7375.001 <OEM/ODM> V37C Title VIDEO BOARD Size PCB Rev. Document Number R ev.
  • Page 191 220P J 220P J 220P J SCART2 - Y(CVBS)/C Screw Holes SCART 1/2 INPUT/OUTPUT Optical Points HOLE-V8 HOLE-V8 HOLE-V8 HOLE-V8 BenQ Corporation Project Code Model Name OEM/ODM Model Name 9J.M7375.001 <OEM/ODM> V37C Title VIDEO BOARD Size PCB Rev. Document Number R ev.
  • Page 192 NM_0 100K DTV_SPDIF 1 220P J 220P J +5VA 2N3904S ZD26 ZD27 TP87 TZMC5V1 TZMC5V1 R_T1 74LVC1G04GW BenQ Corporation 74LVC1G04GW AUDIO_R_LINE Z1000 P=15mm, H=15mm Project Code Model Name OEM/ODM Model Name 100K 9J.M7375.001 <OEM/ODM> 220P J 220P J V37C TP88 0.1U Z...
  • Page 193 +9V_TU Z220 4.7 J (Io = 0.22A ,max) +5V_TU PAN-EU TUNER Connecting TU GND and MSP GND 1N6478 (1W) (1A) BenQ Corporation NJM7805DL1A-TE1_PB F 0.1U K 47U 16V 47U 16V Project Code Model Name OEM/ODM Model Name 0.1U K 9J.M7375.001 <OEM/ODM>...
  • Page 194 5.6K J 1U K R140 SCL_CONN 1,4,6 SIDEAV_AUD_L R141 1U K IN5=SCART 3 SIDEAV_S_Y R142 5.6K J 1U K SIDEAV_AUD_R BenQ Corporation 1U K R143 DTV_CVBS 1 R144 0.01U K SIDEAV_S_C Project Code Model Name OEM/ODM Model Name R145 9J.M7375.001 <OEM/ODM>...
  • Page 195 C152 10U M SC2_LOUT 2 To SCART2 R192 C153 10U M SC2_ROUT 2 SOUND DECODER/PRE-AMP R193 R194 R195 R196 BenQ Corporation 100K 100K 100K 100K AUDIO_R_PHONE C156 C157 AUDIO_L_PHONE Project Code Model Name OEM/ODM Model Name 1000P J 1000P J 9J.M7375.001...
  • Page 196 IN4A AU_SEL_A0 CNT1 AUD_MB_L 6 OUTA PC_AU_R C209 0.1U K IN1B C210 0.1U K AUD_MB_R 6 DTV_AU_R IN2B OUTB BenQ Corporation COMP_R1 C212 0.1U K IN3B COMP_R2 C213 0.1U K IN4B C215 AU_SEL_A1 CNT2 47U 16V Project Code Model Name...

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