Toshiba TD-E502 Service Manual
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Toshiba TD-E502 Service Manual

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TOSHIBA TD-E502 Service Manual
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  • Page 1 TOSHIBA TD-E502 Service Manual...

  • Page 2: Table Of Contents

    Content Index ABBREVIATIONS & ACRONYMS ........................3 ABOUT THIS MANUAL ............................4 INTRODUCTION ..............................5 RELATED SERVICE INFORMATION ........................6 SPECIFICATION ..............................50 ......................50 ROCUCT SPECIFICATION ............................. 70 ACKING ......................71 ISASSEMBLY SSEMBLY APPENDIX 1 – BLOCK DIAGRAM.................... 73 APPENDIX 2 –...

  • Page 3: Abbreviations & Acronyms

    Abbreviations & Acronyms A/D Converter Analog to Digital Converter CEL LABEL China Energy Label 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 Communications Equipment Employing Serial Binary Data Interchange...

  • Page 4: About This Manual

    About This Manual This manual contains information about maintenance and service of TOSHIBA products. Use this manual to perform diagnostics tests, trouble shoot problems, and align the TOSHIBA product. Important Only trained service personnel who are familiar with this TOSHIBA 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: Related Service Information

    1.2. Not-included specification and each product spec in this spec sheet apply correspondingly to the following each country standard and requirement of Buyer Model Name Customer Market place Panel Chassis Remark TOSHIBA LIFESTYLE Japan PRODUCTS AND SERVICES S500HF44 V0 T500HVN07.6 MSD8220 Mstar Europe...
  • Page 7 3.2. Electrical Specifications Item Specification Unit Remark Resolution 1,920 x 1,080 LCD panel Response time(typ.) Aspect Ratio 16:9 Panel Brightness(Typ) cd/m Optical Panel Contrast Ratio(Typ) 3,000 Panel Contrast Ratio(Min) 2,400 Separate Sync LVDS Horizontal Sync Positive/Negative Vertical Sync Positive/Negative Graphic IR/ AV / Line(PC audio) / VGA / Input connector USB/HDMI x2/DVI /RS232 /RJ45...
  • Page 8 2. Component specRTC IC tolerance 3.3. Power sequence of Panels...
  • Page 9 3.4. Power board specification 3.4.1 General specification Item Unit Remark AC Power Voltage Note 1 Max. Input Current (S500HF44V0) Arms Based on AC 100V Standby Power Note 1: Follow Spec Label is 100V~240V Follow Power board Spec is 90V~264V 3.4.2 Control Signal (S500HF44V0) Item Unit Remark...
  • Page 10 4.5 The receiver must be operated for about 20 minutes prior to the adjustment. 4.6 General Information Item Specification Unit Note Active Screen Size inch 1095.8 (H) x 616.4 (V) Display Area D: Thickness Include Wall 1126.8(H) x 649.9 (V) x66.85 (D) Outline Dimension mount scale a-Si TFT active matrix...
  • Page 11 Fig.1 presents additional information concerning the measurement equipment and method. Values Parameter Symbol Unit Notes Min. Typ. Contrast Ratio 2,400 3,000 Surface Luminance (White) cd/m Luminance Variation δWHITE(9P) 1.33 Response Time (G to G) Color Gamut NTSC Color Coordinates 0.647 0.331 0.150 Green...
  • Page 12 4. Response time Tr is the average time required for display transition by switching the input signal for five luminance ratio (0%,25%,50%,75%,100% brightness matrix) and is based on Fv=60Hz to optimize. The response time is defined as the following figure and shall be measured by switching the input signal for “any level of grey (bright) “and “any level of gray (dark)”.
  • Page 13 5. OSD functions Default Value Layer 1 Layer 2 Layer 3 Layer 4 Componen Hdmi Hdmi DVI VGA USB Standard/Dynami Picture Style c/sRGB/Custom/ Dynamic Dynamic Dynamic Dynamic Dynamic Dynamic Dynamic 画像スタイル Cinema Contrast 0~100 コントラスト 0~100 Brightness 0~100 ブライトネス 0~100 Sharpness 0~10 シャープネス...
  • Page 14 5000K~10000K, 13000K/100K step, Color Custom Temperature 13000K 13000K 13000K 13000K 13000K 13000K 13000K 5000K~10000K/10 色温度 0K step,パーソナ Color Temperature ル 色温度 Red Gain 0~2047 R ゲイン Green Gain 0~2047 13000K default RGB = (992, 1024, 1058) G ゲイン Blue Gain 0~2047 B ゲイン...
  • Page 15 4:3 , 16:9 and dot by dot. c. other source : If overscan is Auto, option is 4:3, 16:9, zoom, cinema, dot by dot. If overscan is OFF, option is 4:3 , 16:9 and dot by dot. If multi-display is active, aspect ratio will change to 16:9 and gray overscan item, set overscan as OFF.
  • Page 16 Surround Sound On/Off サラウン オン/オフ ドサウン ド Speaker Internal/External スピーカ Internal Internal Internal Internal Internal Internal Internal 内部/外部 ー Audio Only On/Off 音声のみ オン/オフ Audio Line In/HDMI 1 Source Line in Line in HDMI 1 HDMI 2 Line in Line in Line In/HDMI 1 音源...
  • Page 17 3. If user change source by input source OSD or RS232/LAN command, source will keep at user selected source(Don’t care Priority setting at this time until user selected source signal is lost ). If user selected source signal is lost, PID will search the active input source according to the setting of Signal Priority Check.
  • Page 18 (Off means uart communication is changed to VGA Control port.(RD debug) Off/ RS232/ LAN Setting RS232 means uart communication is changed to オフ/RS232/LAN 制御設定 RS232C port. LAN means uart communication is changed to LAN port.) (Set the standby mode of LAN IC. Standby ECO means LAN IC is not workable when PID is at Mode...
  • Page 19 English/ French/German/Spanish/Ital Menu ian/Swedish/Japanese/CN_ Language Chinese English メニュー言 英語/フランス語/ドイツ 語 語/スペイン後/イタリア 語/スウェーデン語/日本 語/簡体中文 Time Format 12 Hour/24 Hour 12-Hour 時刻の形式 12 時間制/24 時間制 Year 2015~2046 2015 Month 1~12 Clock 2015/2/25 04:14 PM 1~31 時計 2015/2/25 04:14 PM Hour 0~23 Minute 0~59 Logo Display Enable/Disable...
  • Page 20 -Delay time = Number of Monitor ID × 0.3 sec. -For example, as for the display in which Monitor ID was set as 5, power supply is turned on after 1.5 sec. Model Name TD-E502 モデル名 SW Version ソフトウェ System ex.
  • Page 21 5.1 LED indication 5.2 OSD control Panel (Keypad) Item Specification Remark MENU Show menu OSD Source Change to input source VOLUME + Volume up VOLUME - Volume down Select ▲ OSD cursor up scroll Select ▼ OSD cursor down scroll POWER( ) Power ON/OFF...
  • Page 22 5.3 OSD IR Remote control...
  • Page 23 5.4 Remote controller Key Item Specification Remark POWER Power ON/OFF PICTURE Picture mode DIGI Key 1 Use in IR Daisy Chain Mode DIGI Key 2 Use in IR Daisy Chain Mode DIGI Key 3 Use in IR Daisy Chain Mode DIGI Key 4 Use in IR Daisy Chain Mode DIGI Key 5...
  • Page 24 Item Specification Remark backward Backward Play Play media forward Forward PIP on/off No function Previous previous Stop Stop play Pause Pause media Next next 6. Connecter Pin Assignment Item Description Remark IR IN IR signal input(Infrared) Note 1 (3.5mm Mini Jack) IR OUT IR signal output(Infrared) AV in...
  • Page 25 Note1：IR Input/ IR Pass-Though / Line Input /Line Out Audio Input Line Out Pin No Name Pin No Name Left signal Left signal Right signal Right signal IR Input IR Pass-Though Pin No Name Pin No Name IR IN Select IR Out Select +3V3 No function...
  • Page 26 Note2：VGA In Pin No Name Pin No Name 5V (DDC) Green Blue N.C. N.C. DDC-SDA H-SYNC Red-GND V-SYNC Green-GND DDC-SCL Blue-GND...
  • Page 27 Note3：HDMI Input Pin No Name Pin No Name TMDS Data2+ TMDS Clock- TMDS Data2- N.C. TMDS Data1+ N.C. TMDS Data1- TMDS Data0+ +5 V Power TMDS Data0- Hot Plug Detect TMDS Clock+...
  • Page 28 Note4：DVI Input/DVI Output Pin No Name Pin No Name TMDS Data2- Hot Plug Detect TMDS Data2+ TMDS Data0- TMDS Data 2/4 shield TMDS Data0+ N.C. TMDS Data 0/5 shield N.C. N.C. DDC Clock N.C. DDC Data TMDS Data Clock shield N.C.
  • Page 29 Note5：USB Input Pin No Name VCC (+5V) Data - Data +...
  • Page 30 Note6：RS232C Input/RS232C Output Pin No Name N.C. N.C. N.C. N.C. N.C. N.C.
  • Page 31 Note7：RJ45 (LAN) Pin No Name TX_D1+ TX_D1- TX_D2+ TX_D3+ TX_D3- TX_D2- TX_D4+ TX_D4-...
  • Page 32 Note8：AV Input Component Composite Pin No Name Name RGB_RED RGB2_BLUE `RGB2_GREEN AV IN...
  • Page 33 7. Video specifications 7.1. General Specifications Item Unit Remark Over scan, Vertical Video Over scan, Horizontal Video Component Video Input Level (Y, C 75 ohm without Sync PC RGB Video Input Level 75 ohm without Sync PC H/V Input Level TTL Level Composite Video Input Level (CVBS, S-Video) 75 ohm without Sync...
  • Page 34 8. Audio specifications 8.1. Speaker Out Item Specifications Remark Audio Amplifier Output (8Ω Load) Maximum Audio iutput 5 W each channel @ 0.5Vrms input, 1kHz tone, THD < 10% Maximum Audio Output 5 W each channel @ 0.5Vrms input, 1kHz tone, THD < 10% THD+N vs Power 10% @ 0 ~ 0.5 Vrms input, 1 kHz tone PC input：0 ~ 1Vrms...
  • Page 35 8.2. Line out The following performance specifications are supported for analog stereo audio output： Item Specifications Remark Impedance Maximum Audio Output 0.5Vrms, 1kHz tone, THD < 1% Variable mode PC input ：0 ~ 1Vrms THD+N vs Power 1% @ 0 ~ 0.5 Vrms, 1 kHz tone THD+N vs Frequency 1% @ 70% Max power, 20 Hz ~ 20 kHz L/R Channel Crosstalk...
  • Page 36 9. Mechanical Specifications 9.1. General Specification a) S500HF44 V0 Six View Drawing...
  • Page 38 Item Content Remark Width Length Height Unit Before Packing 1133 Product After Packing 1310 Dimension Only Set 14.0 With BOX 20.5 Container 20 ft 40 ft 40ft(HQ) Individual or Loading Palletizing Quantity Front Cover : ABS MT11020 Appearance General Back Cover : ABS MT11020 b).Installation in portrait and landscape •...
  • Page 39 The following operation environment details apply when the display is installed in portrait and face up orientations. • Temperature 0 - 40°C / 32 - 104°F • Humidity 20 - 80% (without condensation) 9.2 Mechanical specification for GAP Standard Item Remark unit Cell + bezel GAP...
  • Page 40 10. Safety 10.1. Test Method 10.1.1. Performance: Display test methods follow Darwin Public Information Display test items or Customer’s spec 10.1.2. Demanded other specification Model Market Appliance Compliance Note UL/cUL UL 60950-1, 2nd Edition FCC with 740 form (FCC CSA C22.2 No. 60950-1-07, 2nd Edition logo) *The LCD Display Part-15B...
  • Page 41 10.2 Regulation Item Unit Note The models with wall mount, Force Stability – Incline Plane Tip Test without assessment Isolation Gap, AC-AC 420Vpeak (clearance) 1. Safety distance for Primary-GND components with 10N force Isolation Gap, for judgment. 420Vpeak (clearance) Primary-Secondary 2.Normal a.c.
  • Page 42 Item Unit Note to Equipment main protective <3.5 earthling terminal Sharp Edge IEC/EN/UL 60950-1/CSA C22.2 No. 60950-1-07, Safety UL/ cUL/CB/S-mark Compliance J60950-1(H22):2010 J3000(H25) FCC/PSE/CE/S-mark/RCM Class I Apparatus only. Earth Continuity Primary to PE ≤0.1Ώ at 40A / 2min (MP-3sec) 1. 40A / 2min.(CSA) Test 2.
  • Page 43 11.2. EMC Reliability Item Unit Remark ESD(EN61000-4-2) Follow EN61000-4-2 EFT/Burst (EN61000-4-4) Follow EN61000-4-4 Surge Immunity (EN61000-4-5) Follow EN61000-4-5 Voltage Dip Test, 10ms (EN61000-4-11) <95 Follow EN61000-4-11 Voltage Dip Test, 500ms(EN61000-4-11) Follow EN61000-4-11 Voltage Interruptions, 5s(EN61000-4-11) <95 Follow EN61000-4-11 CS(EN61000-4-6) Follow EN61000-4-6 EMI Test dBμV Follow EN55022...
  • Page 44 Item Unit Remark C Temperature Step Test (Portrait／Land Scope) 1. Mean measure ambient temperature. 2. Thermal profile measure Item : PCB/Cabinet inner C Thermal Profile Test and outside/power cord and AC plug 3. Portrait／Land Scope Condensation Test Transportation Test Overstress Test Durability Test 1.
  • Page 45 12. Accessory 12.1. Accessories Item P/N (Darwin) Unit Remark AAA Type Battery 23.20000.010 For US、EU、AU model 49.50S0R.002 User's manual For Japan model 49.43S04.003 For US、EU model 49.50S0R.001 Warranty Card For AU model 49.43S04.002 PE Bag 79.42S19.002...
  • Page 46 Cable Cramp 79.64S0J.P01 3RCA 3RCA Cable 50.43S04.00E Logo Cover Sheet 77.64S0J.002 Mylar (50 x10mm) Remote 49.43S04.001 Power cord for USA 27.01118.00B For US model Power cord for AU 27.01318.001 For AU model...
  • Page 47 Power cord for Japan 27.02318.001 For Japan model Power cord for EU 27.00918.001 For EU model 12.2. LABEL P/N – Item P/No Unit Remark On backlight module (shipping Module Label 82.39T08.001 Label75*23mm)
  • Page 48 Spec Label(Rating) On Set Rear (170x80mm) 82.50S0R.001 Energy Label On Front Bezel (15*15mm) 82.18S01.004...
  • Page 49 Shipping Label On Carton side (Carton Label76x70mm) 82.37S01.012 Model Label On Carton Front/Rear (100x90mm) 82.24S19.005 Serial Label On Assy bag (50*12mm) 82.37S02.003...

  • Page 50: Specification

    1. Scope This document establishes the general workmanship standards and functional Acceptance criteria for LCD TV model TD-E502 Produced by Darwin Precisions Inc. 2. Purpose The purpose of this publication is to define a procedure for inspection of the LCD TV by means of a customer acceptance test, the method of evaluation of defects and rules for specifying acceptance levels.
  • Page 51 Display Operation Mode Normally Black Surface Treatment Anti-Glare, 3H Haze=2% Weight 8,300 6. Absolute Maximum Ratings The followings are maximum values which, if exceeded, may cause faulty operation or damage to the unit Item Symbol Unit Conditions Logic/LCD Drive Voltage -0.3 [Volt]DC Note 1...
  • Page 52 Fig.1 presents additional information concerning the measurement equipment and method. Values Parameter Symbol Unit Notes Min. Typ. Contrast Ratio 2,300 3,000 Surface Luminance (White) Cd/m δ Luminance Variation 1.54 WHITE(9P) Response Time (G to G) Color Gamut NTSC Color Coordinates 0.647 0.331 0.313...
  • Page 53 The variation in surface luminance, _WHITE is defined (center of Screen) as: δHITE(9P)= Minimum(Lon1, Lon2,…,Lon9)/ Maximum(Lon1, Lon2,…Lon9) Response time Tr is the average time required for display transition by switching the input signal for five luminance ratio (0%,25%,50%,75%,100% brightness matrix) and is based on Fv=60Hz to optimize. The response time is defined as the following figure and shall be measured by switching the input signal for “any level of grey (bright) “and “any level of gray (dark)”.
  • Page 54 FIG.3 Viewing Angle...
  • Page 55 8. Interface Specification The S500HF44 V0 (96.50S0R.001) requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and liquid crystal. The other is to power Back Light Unit. 8-1 Input power Item Symbol Unit Note...
  • Page 56 Note3. Measurement condition: Rising time = 400us Note4. The relative humidity must not exceed 80% non-condensing at temperatures of 40 ℃ or less. At temperatures greater than 40 ℃, the wet bulb temperature must not exceed 39 ℃. When operate at low temperatures, the brightness of LED will drop and the life time of LED will be reduced.
  • Page 57 Note1. Pin number start from the left side as the following figure. Note2. Please leave this pin unoccupied. It can not be connected by any signal (Low/GND/High). Note3. Input control signal threshold voltage definition Note4. I2C Data and Clock I2C Data and Clock timing...
  • Page 58 Input equivalent impedance of LVDE_SEL pin Note5. Write Protection Note6. LVDS data format selection 8-3 Input Data Format 8.3.1 Data mapping...
  • Page 59 LVDS Option NS   LVDS Option = Low  JEIDA 8.3.2 Color Input Data Reference The brightness of each primary color (red, green and blue) is based on the 10 bit gray scale data input for the color; the higher the binary input, the brighter the color.
  • Page 61 9. Signal Timing Specification 9-1 Input Timing This is the signal timing required at the input of the user connector. All of the interface signal timing should be satisfied with the following specifications for its proper operation. Timing Table (DE only Mode) Signal Item Symbol...
  • Page 63 9-2 Input interface characteristics Value Parameter Symbol Unit Note Tpy. Input Differential Voltage Differential Input High Threshold Voltage +100 +300 Differential Input Low Threshold Voltage -300 -100 Input Common Mode Voltage 1.25 Input Channel Pair Skew Margin -500 +500 SKEW (CP) LVDS Interface Input Channel Pair Skew Margin...
  • Page 64 Note3. LVDS Receiver Clock SSCG (Spread spectrum clock generator) is defined as below figures Note4. Receiver Data Input Margin...
  • Page 65 9-3 Power Sequence for LCD Values Unit Parameter Min. Min. Type. Max. t 10 t 11 Note: (1) t4=0 : concern for residual pattern before BLU turn off. (2) t6 : voltage of VDD must decay smoothly after power-off. (customer system decide this value) (3) When CMOS Interface signal is N.C.
  • Page 66 10. Backlight Specification 10-1 Electrical Characteristics None LED driver board 10-2 Input Pin Assignment LED Driver BD Output connector: CI0112M1HRL-NH(CviLux) or equivalent / Wire connector : CI 0112S0000 (Cvilux) Symbol Note VLED1 VFB1 Feedback pin VFB2 Feedback pin VLED2 10-3 Power Sequence for Backlight None LED driver board 11.
  • Page 69 12. Reliability Test Items Refer to 99.50S0R.0AA 13. International Standard 13-1 Safety Refer to 99. 50S0R.0AA 13-2 EMC Refer to 99. 50S0R.0AA...

  • Page 70: Packing

    Packing 1. International Standard 1.1 Definition of Label A. Panel Label: B. Carton Label: None 1.2 Packing Methods None 1.3 Pallet and Shipment Information None...

  • Page 71: Disassembly / Assembly

    Disassembly / Assembly 1. Disassembly Base Hinge Red mark means the screws need to be removed 2. Remove Rear Case...
  • Page 72 3. Remove SPK 4. Remove Keypad IR BD 5. Main BD...

  • Page 73: Appendix 1 Block Diagram

    Appendix 1 Block Diagram Appendix 2 Input Support Timing a. Composite Input (CVBS) Lines per frame Horizontal frequency(KHz) Vertical frequency(Hz) System 15.734 NTSC 15.625 15.625 SECAM b. Component Video Input(Y,Cb/Pb,Cr/Pr) Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 720x480 15.735 13.5 SDTV ,DVD 480I/60Hz 720x576 15.625 13.5...
  • Page 74 c. RGB Input (PC) Standard Active Resolution Refresh Rate Pixel Rate Standard Mode Resolution H Pixels V Lines 60 Hz 25.175 MHz 72 Hz 31.5 MHz Video Graphic Array 75 Hz 31.5 MHz WVGA 70 Hz 28.32 MHz Wide Video Graphic Array 60 Hz 40 MHz SVGA...
  • Page 75 Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) comment 720x576 31.25 SDTV 576P/50Hz 1280x720 45.00 74.25 HDTV 720P/60Hz 1280x720 37.75 74.25 HDTV 720P/50Hz 1920x1080 33.75 74.25 HDTV 1080I/60Hz 1920x1080 28.13 74.25 HDTV 1080I/50Hz 1920x1080 67.5 148.5 HDTV 1080P/60Hz 1920x1080 56.25 148.5 HDTV 1080P/50Hz 1920x1080 74.25 HDTV 1080P/24Hz...

  • Page 76: Appendix 3 Packing

    Appendix 3 Packing...

  • Page 77: Appendix 4 Shipping

    Appendix 4 Shipping...

  • Page 78: Appendix 5 - Flowchart Of Troubleshooting

    Appendix 5 Troubleshooting a. Flow chart of System Trouble Shooting Power On OK? Check adapter AC socket to LCD TV. Check cable connection between power board and main board. Check power board VCC Backlight OK? Check cable connection between main board and Power Board (No full white) Check cable connection between Power board and LCD panel Check remote controller battery.
  • Page 79 b. Flow chart of Main board trouble shooting LED OK? Check R80,R83,Q9 Check power 3V3SB,+5VSB Check OSD OK? Check +5VSB,3V3SB, AVDD3V3, VCCK,DDRV, UM1, UD1, Check BL_ON and Power_ON Check 5V_SW,AVDD3V3 HDMI OK? Check Check connectorsJ13,J14,J15 Component OK? Check RD25,RD28,RD30,UM1 Check PC OK? RD31,RD33,RD35,RD36,RD38,,UM1 Audio OK?

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