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40" LCD TV
Service
Service
Service
Description
Table of Contents........................................................1
Important Safety Notice...............................................2
Revision List........................................................3
1. General Specification..................................................4
2. Operating Instructions.........................................8
2.1 Remote Control..................................................8
2.2 OSD Menus.....................................................10
3. Input/Output Specification.....................................23
4. Mechanical Instructions........................................25
5. Repair Flow Chart .............................................28
6. PCB Layout .....................................................35
6.1 Main Board .....................................................35
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

Table of Contents

Page Description
6.2 Power Board................................ ...................37
6.3 IR Board..................................................40
6.4 KeyBoard..................................................40
7. Adjustment..............................................................41
7.1 ADC/WB Adjustment..............................................41
7.2 Firmware and DDC Instruction..............................42
8. Block Diagram........................................................46
9. Wiring Diagram.......................................................48
10. Schematic Diagram.........................................49
10.1 Main Board...................................................49
10.2 Power Board.................................................56
10.3 IR Board.......................................................58
10.4 Key Board..................................................59
SAFETY NOTICE
1
Haier 40D3505T-40D2500
Page

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   Summary of Contents for Haier 40D3505T

  • Page 1: Table Of Contents

    40″ LCD TV Haier 40D3505T-40D2500 Service Service Service Table of Contents Description Page Description Page Table of Contents..……........…..1 6.2 Power Board……..…………………... …..…..37 Important Safety Notice........……..2 6.3 IR Board………….……………..……….…..40 Revision List………………………………………………..3 6.4 KeyBoard……..…………………...…….…..40 1. General Specification........………..4 7. Adjustment..............41 2. Operating Instructions..………………….……...……..8 7.1 ADC/WB Adjustment..........41...
  • Page 2: Important Safety Notice

    Haier 40D3505T-40D2500 Important Safety Notice Proper service and repair is important to the safe, reliable operation of all Haier Company Equipment. The service procedures recommended by Haier and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose.
  • Page 3: Revision List

    40″ LCD TV Haier 40D3505T-40D2500 Revision List Version Release Date Revision Instructions Customer Model Model Jul.08,2014 Initial release 40D3505T E40E21NKDE8H9NX Otc.14,2014 Initial release 40D2500 E40E21NKDE3HNNX...
  • Page 4: General Specification

    40″ LCD TV Haier 40D3505T-40D2500 1. General Specification...
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  • Page 8: Operating Instructions

    40″ LCD TV Haier 40D3505T-40D2500 2. Operating Instructions 2.1 Remote Control...
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  • Page 10: Osd Menus

    40″ LCD TV Haier 40D3505T-40D2500 2.2 OSD Menus...
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  • Page 12: Panel Control And Rear Terminal Control

    40″ LCD TV Haier 40D3505T-40D2500...
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  • Page 19 40″ LCD TV Haier 40D3505T-40D2500...
  • Page 20 40″ LCD TV Haier 40D3505T-40D2500 2.3 Panel Control and Rear Terminal Control...
  • Page 21 40″ LCD TV Haier 40D3505T-40D2500...
  • Page 22 40″ LCD TV Haier 40D3505T-40D2500...
  • Page 23: Input/output Specification

    40″ LCD TV Haier 40D3505T-40D2500 3. Input/Output Specification 3.1 Input Signal Connector D-SUB Pin No. Description Pin No. Description +5V (supply from PC) Green Sync GND Blue RS-232-TX RS-232-RX Bi-directional data (SDA) H-sync Red GND V-sync (vclk) Green GND Data clock (SCL)
  • Page 24 40″ LCD TV Haier 40D3505T-40D2500 3.2 Input Signal Timing DTV Timing ( For QuantumData setting with QD802 or QD881 in YPbPr mode. ) Default computer mode Item Resolution Horizontal Frequency (kHz) Vertical Frequency(Hz) 720 × 480i 15.734 59.94 720 × 480p 31.5...
  • Page 25: Mechanical Instructions

    40″ LCD TV Haier 40D3505T-40D2500 4. Mechanical Instructions Step1. Remove the BASE. 40D3505T 40D2500 Step2. Remove the REAR COVER.
  • Page 26 40″ LCD TV Haier 40D3505T-40D2500 Step3. Remove the MAIN BOARD, POWER BOARD, KEY BOARD, BKT and SPEAKERS. Step4. Remove the BKT_STAND.
  • Page 27 40″ LCD TV Haier 40D3505T-40D2500 Step5. Remove the DECO and IR BOARD. Step6. PANEL.
  • Page 28: Repair Flow Chart

    40″ LCD TV Haier 40D3505T-40D2500 5. Repair Flow Chart 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board Replace the power board output=5.2V? Check the IR board and LED...
  • Page 29 40″ LCD TV Haier 40D3505T-40D2500 2. Can’t start Can’t start(LED Blue) Replace the power board Power board output=12V? Replace the key board Check the power key is under control? Replace the IR board Check the IR receiver is normal? Replace the main board...
  • Page 30 40″ LCD TV Haier 40D3505T-40D2500 3. Abnormal Display Abnormal Display Reset the source Check the source Enter factory mode to do “EEPROM initial”&“Reset” Replace the main board Check the main board Check the LVDS cable Replace the LVDS cable Check the panel...
  • Page 31 40″ LCD TV Haier 40D3505T-40D2500 4. No display No display (LED Red) Check TV is under control and power Replace the main board on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the B/L...
  • Page 32 40″ LCD TV Haier 40D3505T-40D2500 5. Sound problem No sound or sound abnormal Check the audio source connection and the TV system are correct? Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Enter factory mode to do “Reset”...
  • Page 33 40″ LCD TV Haier 40D3505T-40D2500 6. Remote control malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is...
  • Page 34 40″ LCD TV Haier 40D3505T-40D2500 7. OSD is unstable or can’t work normally OSD is unstable or can’t work normally Reconnect the key board Key board connected properly? Replace the button function Buttons are OK? Replace the key board Key board is OK? Enter factory mode to do “Reset”...
  • Page 35: Pcb Layout

    40″ LCD TV Haier 40D3505T-40D2500 6. PCB Layout 6.1 Main Board 715G5829M02006004K...
  • Page 36 40″ LCD TV Haier 40D3505T-40D2500...
  • Page 37: Power Board

    40″ LCD TV Haier 40D3505T-40D2500 6.2 Power Board 715G6131P01W21002M...
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  • Page 40: Ir Board

    40″ LCD TV Haier 40D3505T-40D2500 6.3 IR Board 715G6721R01000004 6.4 Key Board 715G6715K01002004I...
  • Page 41: Adjustment

    40″ LCD TV Haier 40D3505T-40D2500 7. Adjustment 7.1 ADC/ WB Adjustment Content of ADC Adjustment: 1. Enter into the factory mode:MENU+8+8+9+3 2. The ADC adjustment at VGA and Ypbpr 3. Choose Current Source to VGA,input signal TIM = 137, PAT = 61 (1024*768@60HZ/100% window) from chroma, doing “Auto Color”...
  • Page 42: Firmware And Ddc Instruction

    40″ LCD TV Haier 40D3505T-40D2500 7.2 Firmware and DDC Instruction Regular upgrade procedure: Step 1: Ready for F/W Upgrade 1.1 Preparing a USB driver. (The file system of USB driver must be FAT16 or FAT 32). 1.2 Copying the software from your computer to the root folder of USB driver, and unplugged it from USB port of computer.
  • Page 43 40″ LCD TV Haier 40D3505T-40D2500 2.5 TV upgrades automatically. Notes: When Upgrade on the process, please don’t Power-Off! 2.6 When upgrade 100% and prompt for Upgrade Success info , Remove the USB driver and Press “ENTER/OK” key on the remote control to restart your TV .
  • Page 44 40″ LCD TV Haier 40D3505T-40D2500 AC updated procedure: Step 1: Ready for F/W Upgrade 1.1 Preparing a USB driver. (The file system of USB driver must be FAT16 or FAT 32). 1.2 Copying the software from your computer to the root folder of USB driver, and unplugged it from USB port of computer.
  • Page 45 40″ LCD TV Haier 40D3505T-40D2500 2.4 When upgrade 100%, the LED stops blinking, and LED is OFF. 2.5 Removed the USB driver and Press “ENTER/OK” key on the remote control to restart your TV. Step 3: Check the F/W version.
  • Page 46: Block Diagram

    8. Block Diagram...
  • Page 47 P12V_AUD Q104 AO4449-7A U601 STA381 +12V_AUD For Audio Am plifie r P12V Q104 AO4449-7A PANEL LVDS Pow e r U707 AOZ3015I 3V3_STB +5VSB U701 AP1117E33L-13-77 U401 M SD8220LB For M SD8220LB-S9 U405 G690H293T73 For Re s e t IC U403 W25Q32FVSSIG For SPI Flas h U409 M 24C04 For EEPROM...
  • Page 48: Wiring Diagram

    9. Wiring Diagram Panel 12 Pin 16 Pin 4 Pin CN8100 CN9100 CN601 CN408 Power Board 12 Pin Main Board CN701 MSD8220LB U401 CN401 Scaler IC CN01 5 Pin IR Board CN201 Speaker L Speaker R...
  • Page 49: Schematic Diagram

    10. Schematic Diagram 10.1 Main Board 715G5829M02006004K YPbPr Video Input share with CVBS in Y Nearly Connector Nearly IC AV1_IN CVBS0P R102 C102 47NF 16V CVBS0P 150OHM 1/16W +/-5% CVBS_VCOM R103 C103 47NF 16V CVBS_VCOM DVDD3V3 180ohm 1/16W +/-5% COMP_SOY CN111 RCA JACK R104...
  • Page 50 Silicon Tuner TU101 +3V3TUNER Ne ar tune r Near CHIP C124 C125 TUNER POWER +3V3 C123 100NF 16V ANT-DC 100NF 16V 100PF 50V C115 C116 5V_SW R124 100R 1/16W 5% M_SCL C117 C118 U101 +3V3TUNER M_SCL DIF1_OUT2 FAT_IN- R122 R123 AP1117E33L-13-77 FAT_IN- M_SDA...
  • Page 51 CN506 HDMI SHLD0 HDMID-RX2P TMDSD2+ HDMID_5V SHLD2 DSHLD0 HDMID-RX2N CEC/ARC TMDSD2- HDMID-RX1P TMDSD1+ DSHLD1 HDMID-RX1N HDMID_5V R506 R507 HDMI_ARC C501 1UF 10V R503 ARC_SPDIF TMDSD1- ARC_SPDIF HDMID-RX0P 0R05 1/16W TMDSD0+ R505 DSHLD2 HDMID-RX0N TMDSD0- HDMID-CLKP R501 R508 1K 1/16W 5% 10K 1/16W 5% TMDSC+ HDMID_HPD...
  • Page 52 HDMID-CLKN HDMID-CLKN HDMID-CLKP BL_DIMMINGR717 1K 1/16W 5% BRIGHT_ADJ HDMID-CLKP BRIGHT_ADJ HDMID-RX0N HDMID-RX0N HDMID-RX0P C722 HDMID-RX0P HDMID-RX1N HDMID-RX1N HDMID-RX1P HDMID-RX1P HDMID-RX2N HDMID-RX2N AVDD5V_MHL AVDD_DDR_DATA HDMID-RX2P HDMID-RX2P HDMIB-CLKN HDMIB-CLKN HDMIB-CLKP MHL_OCD_LED MHL_CABLE-DET HDMIB-CLKP MHL_OCD_LED MHL_CABLE-DET HDMIB-RX0N KEY 2 HDMIB-RX0N KEY 2 HDMIB-RX0P KEY 1 HDMI_CEC HDMIB-RX0P...
  • Page 53 12V Isurge issue improve Peter 20130812 PANEL_VCC LVDS Power MHL_CABLE-DET DVDD3V3 DVDD3V3 MHL_CABLE-DET +5VSB +12V R176 RXO0- C146 C147 RXO0- RXO0+ R174 CN408 R151 RXO0+ RXO1- R172 R173 47UF 25V RXO1- ∝ 24" R172 Panel=5V 100NF 16V RXO1+ RXO1+ RXO2- For ≠...
  • Page 54 QA request AMP_3V3 0.1UF 16V Peter 20130821 20*20*8.5 Q12G714001200100HB AUDIO_RESET R640 R601 100R 1/16W 1% 100R 1/10W 5% 20*20*16 X12G8006 R642 C663 Haier Rating spec C664 Peter 20130821 SS1060FL R643 20*20*10 X12G8004 1UF 10V 100UF 25V D601 NC/10K AUDIO_MUTE AMP_PDN +12V...
  • Page 55 5V_SW +5VSB +3V3SB R722 +3V3SB R706 MAIN POWER R707 +3V3SB R737 PS_ON 4K7 1/16W 5% Back L ig h t On / Off 1K 1/16W 5% BRIGHT_ADJ_1 INVERTER_ON INVERTER_ON_OFF HI => POW ER _OF F PS_ON R701 R742 LO => POW ER _ON 100R 1/16W 5% Q705 Q701...
  • Page 56: Power Board

    10.2 Power Board 715G6131P01W21002M NR9902 COLD R9147 100 OHM 1/4W-NC 2.5R FB9102 L9100 BEAD R9143 100 OHM 1/4W-NC 095G 90 23 OR 071G 55 29 C9109 R9144 100 OHM 1/4W-NC C9130 470UF 25V +12V R9145 100 OHM 1/4W-NC FB8101 C9121 C9125 BEAD BD9901...
  • Page 57 J901 J902 J903 J905 J906 J907 J908 J909 J910 J911 J912 J913 J914 JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER J916 J918 J919 J920 J921 J922 J923 JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER RJ901 RJ902 0R05 1/4W...
  • Page 58: Ir Board

    10.3 IR Board 715G6721R01000004I LED201 LED_R CN201 U203 VOUT R201 15K 1/16W 5% IRM-V538M3/TR1 CONN C201 2.2uF 10V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size TPV MODEL 絬 隔 瓜 絪 腹 02-IR&LED Key Component PCB NAME...
  • Page 59: Key Board

    10.4 Key Board 715G6715K01002004I SW01 MENU 2.411V 27K 1% TACT SW FWRD H1.5MM SW02 INPUT 1.985V 15K 1/4W 1% TACT SW FWRD H1.5MM SW03 VOL+ 1.497V 8.2K 1/4W TACT SW FWRD H1.5MM SW04 VOL- 1.070V 4.7K 1/4W TACT SW FWRD H1.5MM SW05 0.660V CN01...

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40d2500

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