Haier 40D2500 Service Manual
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Haier 40D2500 Service Manual

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SERVICE MANUAL

LED TV
40D2500
Model No.
MSD3393LU Chassis
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair
the product or products dealt with in this service information by anyone else could result in serious injury or death.
©2013 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.

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Summary of Contents for Haier 40D2500

  • Page 1: Service Manual

    Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. ©2013 Qingdao Haier Electronics Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    Service Manual Model No.: 40D2500 CONTENTS Chapter 1. General Information 1-1. Document Information ..............3 1-2. General Guidelines..............3 1-3. Important Notice.................3 1-3-1. Follow the regulations and warnings ............. 3 1-3-2. Be careful to the electrical shock ............3 1-3-3. Electro static discharge (ESD)..............3 1-3-4.
  • Page 3 Service Manual 40D2500 Model No.: 4-3-2. Connector definition ................15 4-4. LCD Panel ..................16 Chapter 5. Installation Instructions 5-1. Accessories ................18 5-2. External Equipment Connections..........19 Chapter 6. Operation Instructions 6-1. Front Panel Controls..............20 6-2. Back Panel Controls ..............21 6-3. Setting Up Your Remote Control ..........22 Chapter 7.

  • Page 4: Chapter 1. General Information

    Service Manual 40D2500 Model No.: Chapter 1. General Information 1-1. Document Information Document format: Adobe PDF Author: shouwang.wen Compiler: 1-2. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.

  • Page 5: About Lead Free Solder (Pbf)

    Service Manual Model No.: 40D2500 components commonly are called Electrostatically Sensitive (ES) Devices. The following techniques should be used to help reduce the incidence of component damage caused by electros static discharge (ESD). Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices.
  • Page 6 Service Manual Model No.: 40D2500 1. Always unplug the receiver AC power cord from the AC power source before: a. Removing or reinstalling any component, circuit board module or any other receiver assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection.

  • Page 7: Ordering Spare Parts

    Service Manual 40D2500 Model No.: 12. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 13. Use only an anti-static type solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges sufficient to damage ES devices.
  • Page 8 Service Manual 40D2500 Model No.: Caution: A “caution ” is used when there is danger that the reader, through incorrect manipulation, may damage equipment, loose data, get an unexpected result or has to restart(part of) a procedure. Warning: A “warning” is used when there is danger of personal injury.

  • Page 9: Chapter 2. Specification

    Service Manual Model No.: 40D2500 Chapter 2. Specification 2-1. Specification list 40D2500 Model Screen Size 40" Aspect Ratio 16:9 Resolution 1920x1080 Brightness (cd/m²) Contrast 1500:1 Response Time (ms) Angel of View H:170°, V:160° Color Display 16.7M OSD Language English,French,Spanish. Color System...

  • Page 10: External Pictures (Four Faces)

    Service Manual Model No.: 40D2500 2-2. External pictures (four faces) Front Side Up Side...
  • Page 11 Service Manual 40D2500 Model No.: Right Side Back Side...

  • Page 12: D2500

    Service Manual Model No.: 39D3005 Model No.: 40D2500 Chapter 3. Disassemble and Assemble 40D2500 3-1. 3-1-1. Remove the Stand 3-1-3. Remove the power-main board. 1. Remove the six screws indicated with red circles. 2. Then remove the side metal board and down metal board.

  • Page 13: Remove The Remote Control Board

    Service Manual 40D2500 Model No.: 3-1-6. Remove the Remote Control Board And the Key Board Remove the Remote Control Board and the Key Board indicated byred circle in below picture.

  • Page 14: Chapter 4. Location Of Controls And Components

    Service Manual Model No.: 40D2500 Chapter 4. Location of Controls and Components 4-1. Board Location A Board B Panel Parts number Description DH1TK9M0101M A Board power-main board 712-39583-X3301 B Panel LCD Panel...

  • Page 15: Mainboard

    Service Manual Model No.: 40D2500 4-2. Mainboard 4-2-1. Function Description Process signal which incept from exterior equipment then translate into signal that panel can display. 4-2-2. Connector definition IR & Key Interface LED Backlight interface CN804/CN805 Pin number Signal name...

  • Page 16: Power Supply Module

    Service Manual 40D2500 Model No.:...

  • Page 17: Lcd Panel

    Service Manual Model No.: 40D2500 4-3. LCD Panel 40D2500 Backlight Unit LVDS CONNECTOR CNF1...
  • Page 18 Service Manual Model No.: 40D2500...

  • Page 19: Chapter 5. Installation Instructions

    Service Manual Model No.: 40D2500 Chapter 5. Installation Instructions 5-1. Accessories Batteries Remote Control...

  • Page 20: External Equipment Connections

    Service Manual 40D2500 Model No.: 5-2. External Equipment Connections Antenna Connection Connect a DVD Player or VCR to Your TV Connect your aerial to the back of the TV into the ANTENNA IN socket. There are two ways in which you can connect a DVD player or VCR to your TV.

  • Page 21: Chapter 6. Operation Instructions

    Service Manual Model No.: 40D2500 Chapter 6. Operation Instructions 6-1. Front Panel Controls 5 VOL+ Press to increase the volume. POWER Press to turn the TV on and off. 6 MENU Press to select the main menu. TV channel down.

  • Page 22: Back Panel Controls

    Service Manual 40D2500 Model No.: 6-2. Back Panel Controls Earphone output Coax output Audio in input Video/Y in input PbPr IN input PC Audio input input input HDMI1 input 10 HDMI2(MHL) input 11 HDMI3(ARC) input 12 USB IN input...

  • Page 23: Setting Up Your Remote Control

    Service Manual Model No.: 40D2500 6-3. Setting Up Your Remote Control When using the remote control, aim it towards the remote sensor on the TV. POWER. INPUT. Shortcut button. HOME; Program Number Channel selection. RECALL button. VOL+/VOL-: Volume selection. CH /CH : Channel selection.

  • Page 24: Chapter 7. Electrical Parts

    Service Manual 40D2500 Model No.: Chapter 7. Electrical Parts 7-1. Circuit Diagram 5V_M 33ohm-0402-± 5%-1/16W MMBT3904(f≥350MHz) 5V_M NC/2K2ohm-0402-± 5%-1/16W 10Kohm-0402-± 5%-1/16W 5V_M 5V_STB 1Kohm-0402-± 5%-1/16W 5V_M 5V_M RB10 5V_Panel BL_ON 5V_Panel RB11 NC/100uF-16V NC/100uF-16V PW_ON PWON 10uF-0805 10uF-0805 5V_STB 5VSB 0.1uF-0402...
  • Page 25 1.15V_STB 1V8_DDR CD10 CL16 MSD3393LU 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V 1uF-0402-X5R-± 20%-6.3V 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V HDMI2_RX1_N LED_RED RX1N_B SAR1 HDMI2_RX1_P RX1P_B SAR0 3V3_STB +3_3V_AU 3V3_STB +3_3V_PLL HDMI2_RX2_N RX2N_B AVDD_MOD 3V3_STB HDMI2_RX2_P USB1_DP RX2P_B DP_P1 USB1_DM 3V3_STB AVDD_MOD DM_P1 HDMI3_RXC_N USB0_DP RXCN_A DP_P0 CL17 CL18 HDMI3_RXC_P...
  • Page 26 0.1uF-0402-Y5V-+80%-20%-16V 22ohm-0402-±5%-1/16W 1Kohm-0402-±5%-1/16W 5V_STB 0.1uF-0402-Y5V-+80%-20%-16V LED_R LED_RED 4K7ohm-0402-±1%-1/16W LED_G 1Kohm-0402-±5%-1/16W 5V_STB LED_R 0.01uF-0402-X7R-±10%-50V VCC_Panel VCC_Panel VCC_Panel 3V3_STB RK15 RXO0_N RXO0_P RXO1_N RXO1_P RK16 REMOTE RXO2_N RXO2_P RXEC_N RXEC_P RK11 RK10 10pF-0402-NPO-±5%-50V RXO3_N RXO3_P 4K7ohm-0402-±5%-1/16W RXE0_N RXE0_P 1Kohm-0402-±5%-1/16W 5V_M 5V_M RXE1_N RXE1_P RXE2_N RXE2_P...
  • Page 27 HDMI HDMI HDMI...
  • Page 29 PADGND IF_OUTN_2/GPO_1 IF_OUTP_2/GPO_2 RESET_N IF_OUTN_1 VDD_1P8_3 IF_OUTP_1 GND_XTAL VDD_3P3_2 XTAL_P VDD_1P8_2 XTAL_N...
  • Page 30 RA22 CN17 AMPVCC AMP_VCC AMP_VCC SK34A-SMA 0ohm-1206-± 5%-1/4W NC/470uF-16V-±20%-8× 12-105 0.1uF-0603-Y5V-+80%-20%-50V 470uF-35V-± 20%-10× 13-105 4PIN-2.54-D-H- NC/1000uF-16V-±20%-10×16 105 0.01uF-0402-X7R-± 10%-16V 0.1uF-0402-Y5V-+80%-20%-16V 10ohm-0603-±5%-1/10W 100ohm-0402-±5%-1/16W 0.1uF-0402-Y5V-+80%-20%-16V AMPVCC 1000pF-0402-X7R-±10%-50V 100ohm-0402-±5%-1/16W 220ohm-0402-±5%-1/16W AVCC AMPVCC 0.22uF-0402-Y5V-+80%-20%-16V 0.01uF-0402-X7R-± 10%-16V 220ohm-0402-±5%-1/16W 0.22uF-0402-Y5V-+80%-20%-16V 47Kohm-0402-± 5%-1/16W 0.22uF-0402-Y5V-+80%-20%-16V AMP_MUTE/ 0.22uF-0402-Y5V-+80%-20%-16V PVCCL 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V FAULT...

  • Page 31: Circuit Diagram

    Service Manual Model No.: 40D2500 7-2 . Wiring Connection Diagram...

  • Page 32: Chapter 8. Measurements And Adjustments

    Service Manual Model No.: 40D2500 Chapter 8. Measurements and Adjustments 8-1. Service Mode 8-1-1.How to enter into Service Mode The way to the factory mode menu: Step 1: Press Menu, Step 2: Press “8893”, System will be into the factory mode menu when 2 steps above are done.

  • Page 33: General Setting

    Service Manual Model No.: 40D2500 8-2-2. GENERAL SETTING 1)Init Flash; 2)Uart Enable:Choose on or off in Uart Enable; 3)Dbg Message Enable: Choose on or off in Dbg Message Enable; 4)Test Pattern: Choose the Pattern picture; 5)Dynamic Contrast: Choose on or off in Dynamic Contrast;...

  • Page 34: Sound

    Service Manual 40D2500 Model No.: 8-2-4. SOUND Adjust the values of Sound Mode, Volume Curve,Audio Output and True Volume in different source. 8-2-5. Panel Setting 1)LVDS Bit Mode: choose the Bit; 2)LVDS MAP: choose the MAP; 3)LVDS ODD/Even: choose ODD or Even;...

  • Page 35: Software Update

    Service Manual 40D2500 Model No.: 8-3. Software Update 8-3-1. MSD3393LU software update 1. Copy the software files to a USB disk on the root directory; 2. Insert the USB disk when the AC power is off; 3. Turn on the AC power in turn to begin;...

  • Page 36: Chapter 9. Trouble Shooting

    Service Manual Model No.: 40D2500 Chapter 9. Trouble shooting 9-1. Simple check Verify if the television is properly plugged No picture/ No sound Verify if the television is properly supplied power Verify if electricity is available. Verify if correct signals are input...

  • Page 37: Mainboard Ic Introduction

    Service Manual 40D2500 Model No.: 9-2. Mainboard IC Introduction Top view...
  • Page 38 Service Manual Model No.: 40D2500 Bottom view...
  • Page 39 Service Manual Model No.: 40D2500 1.Mainchip—MSD3393LU(U1) 2. Audio Amplifier—TPA3110D2PWPR (UA1) 3.Main Flash Memory—GD25Q32BSIG (UF1) 4.DC/DC convertor 5V-1.8V for MSD3393LU (U1)—LC1117CLTRAD (UL2) 5.voltage convertor 5V to 3.3V_STB —LC1117CLTR33 (UL1) 6.voltage convertor 5V to 1.15V_STB —LC3406CB5TR (UD1) 7.voltage convertor 5V to 3V for tuner—LC1117CLTR33...

  • Page 40: Mainboard Failure Check

    Service Manual Model No.: 40D2500 9-3. Mainboard Failure Check No picture but have sound Check the power output Change the Power Board There’s something wrong Check the CN2 (BLO) with FRC Backlight on/off Verify if the DC/DC convertor can output the...
  • Page 41 Service Manual Model No.: 40D2500 No sound but have picture Verify if the speakers are Change the speakers broken Verify if the main board has the Check the corresponding audio right input ,according to the source input circuit you connect.
  • Page 42 Service Manual Model No.: 40D2500 No sound No picture Verify if the Power has Change the 5Vstb output Power supply Verify if CN4 Pin3/4 has 5V Change Power board input Verify if CN2 Pin1 has 12V Change Power board input...
  • Page 43 Service Manual Model No.: 40D2500 Poor sound Poor sound Verify if sound system is Change sound correct . system For ease of use, recommend that customer format the picture and sound settings in the automatic option. Updata the software and Still having make the reboot;...
  • Page 44 Service Manual 40D2500 Model No.: No color for some channel program (black and white) No color for some chann el program (black and w hite) Verify if the same Check out of picture and sound problem exists in other system of this channel...
  • Page 45 Service Manual Model No.: 40D2500 How to know whether the Power board is broken? Check if the power cord co Reconnect the power cord with the nnect well? outlet or Power board. Check if the Power board Replace the Power board pls.

  • Page 46: Pannel Failure

    Service Manual Model No.: 40D2500 9-4. Pannel Failure Failure Mode...
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  • Page 51 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...

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