Haier LE50B7000 Service Manual
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Haier LE50B7000 Service Manual

Tsumv59xu chassis
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SERVICE MANUAL
LED TV
LE50B7000
Model No.
TSUMV59XU
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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  • Page 1 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.: LE50B7000 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 Model No.: LE50B7000 4-3-2. Connector denition ................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 Model No.: LE50B7000 Chapter 1. General Information 1-1. Document Information Document format: Adobe PDF Author: Gao Bingbing 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.: LE50B7000 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.: LE50B7000 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 Model No.: LE50B7000 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 classied as "anti-static" can generate electrical charges sufcient to damage ES devices.
  • Page 8 Service Manual Model No.: LE50B7000 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. SpeciCation

    Service Manual Model No.: LE50B7000 Chapter 2. Specication 2-1. Specication list Model LE50B7000 Screen Size 50" Aspect Ratio 16:9 Resolution 1920x1080 Brightness (cd/m²) Contrast 00:1 Response Time (ms) Angel of View H:170°, V:160° Color Display 16.7M OSD Language English, Arabic,French...

  • Page 10: External Pictures (Four Faces)

    Service Manual Model No.: LE50B7000 2-2. External pictures (four faces) Front Side Up Side...
  • Page 11 Service Manual Model No.: LE50B7000 Right Side Back Side...

  • Page 12: Chapter 3. Disassemble And Assemble 3-1

    Service Manual Model No.: LE50B7000 Chapter 3. Disassemble and Assemble 3-1. LE50M660 3-1-1. Remove the Stand 3-1-3. Remove the Mainboard 1. Remove the six screws indicated with red circles. 2. Remove the Mainbord. 1. Lay down the TV set .

  • Page 13: Remove The Remote Control Board

    Service Manual Model No.: LE50B7000 3-1-6. Remove the Remote Control Board And the Key Board Remove the Remote Control Board and the Key Board indicated by red circle in below picture.

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

    Service Manual Model No.: LE50B7000 Chapter 4. Location of Controls and Components 4-1. Board Location C Panel B Board A Board Parts Description A Board HKL-500201 Power Supply Module B Board T.VST59.A5 Mainboard C Panel LCD Panel T500HVN07.1...

  • Page 15: Mainboard

    Service Manual Model No.: LE50B7000 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 denition IR & Key Interface Inverter connector CN6 Pin number Signal name Pin number...

  • Page 16: Power Supply Module

    Service Manual Model No.: LE50B7000 4-3. Power Supply Module 4-3-1. Function Description To supply power for Mainboard, Panel. 4-3-2. Connector denition CON2 CON2 CON3 CON4 CON3 CON4 LED driver connector Mainboard power supply connector CON3 CON4 Pin number Signal name...

  • Page 17: Lcd Panel

    Service Manual Model No.: LE50B7000 4-4. LCD Panel Backlight Unit LVDS CONNECTOR CN1 Connector Denition...
  • Page 18 Service Manual Model No.: LE50B7000...

  • Page 19: Accessories

    Service Manual Model No.: LE50B7000 5-1. Accessories P SIZE Batteries Remote Control...

  • Page 20: External Equipment Connections

    Service Manual Model No.: LE50B7000 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.: LE50B7000 Chapter 6. Operation Instructions 6-1. Front Panel Controls...

  • Page 22: Back Panel Controls

    Service Manual Model No.: LE50B7000 6-2. Back Panel Controls Earphone output HDMI1 intput HDMI2 intput HDMI3 intput intput PC Audio intput Video in intput Audio in intput intput intput YPbPr intput Video in intput Audio in intput...

  • Page 23: Setting Up Your Remote Control

    Service Manual Model No.: LE50B7000 6-3. Setting Up Your Remote Control...

  • Page 24: Chapter 7. Electrical Parts

    Chapter 7. Electrical Parts 7-1. Circuit Diagram 5V-STB 3V3-STB CN11 NC/2*6PIN +5V-NO-SW 5V-Panel EE21 CE16 BL-ON 5V-M AMP-VCC 5V-M 10PIN-2.54-D-H-G CL13 5V-Panel 220ohm-0402-± 5%-1/16W 5V-STB NC/0ohm-1206-± 5%-1/4W PW-ON/ 5V-Panel 1K5ohm-0402-± 5%-1/16W NC/0ohm-1206-± 5%-1/4W 3K3ohm-0402-± 5%-1/16W +5V-NO-SW +5V-NO-SW 3CG3906M PW-ON/ 0.1uF-0402-Y5V-+80%-20%-16V 100uF-16V-±...
  • Page 25 CK32 RK12 5V-STB 3V3-STB LED-R RK13 LED-R/ 22ohm-0402-±5%-1/16W LED-G/B 3V3-STB 3V3-STB RF11 RF14 UF11 RK30 RK40 QF31 RESET-H XTALO 3V3-STB RK31 SPI-CSN CF13 RK32 CF31 RK33 SPI-SDO 0.1uF-0402-Y5V-+80%-20%-16V RF31 HOLD# NC/10Kohm-0402-±5%-1/16W RK34 RF13 RK35 FLASH-WP SPI-SCK 4K7ohm-0402-±5%-1/16W XTALI RK36 0.1uF-0402-Y5V-+80%-20%-16V RK37 KEYA CF11...
  • Page 26 PC-RIN 0ohm-0402-±5%-1/16W 75ohm-0402-±5%-1/16W NC/ICVL0518030FR YPbPr-PbIN YPbPr-YIN YPbPr-YIN R171 VGA-Rin SCART-Gin SCART-Gi YPbPr-YIN YPbPr-YIN/ YPbPr-PrIN TXD/ VGA-Gin PC-GIN 0.47uF-0402-Y5V-+80%-20%-10V 0.47uF-0402-Y5V-+80%-20%-10V NC/PJ-314-EP VGA-Bin NC/33pF-0402-NPO-±5%-50V NC/33pF-0402-NPO-±5%-50V 0ohm-0402-±5%-1/16W 75ohm-0402-±5%-1/16W NC/ICVL0518030FR 75ohm-0402-±5%-1/16W RXD/ NC/ICVL0518030FR YPbPr-PrIN YPbPr-PbIN PC-BIN R179 R174 WLHD-051A 0ohm-0402-±5%-1/16W SCART-Bin SCART-Bi YPbPr-PbIN YPbPr-PbIN/ 75ohm-0402-±5%-1/16W NC/ICVL0518030FR 0.47uF-0402-Y5V-+80%-20%-10V...
  • Page 27 HOTPLUG0 R188 RX0-HOTPLUG RX5V0-DDC-SDA R189 RX5V0-DDC-SCL R190 HDMI0-5VIN HDMI0-5VIN R191 POW0 0ohm-0402-± 5%-1/16W R192 10Kohm-0402-± 5%-1/16W HOTPLUG4 10Kohm-0402-± 5%-1/16W CN17 HDMI4-5VIN HOTPLUG4 R183 RX4-HOTPLUG 33Kohm-0402-± 5%-1/16W HOTPLUG0 HDMI4-SDA 10Kohm-0402-± 5%-1/16W SHELL(GND) HDMI0-5VIN HDMI4-SDA R184 HDMI4-SCL HDMI4-SCL R185 HDMI4-5VIN RX5V0-DDC-SDA SHELL(GND) RX5V0-DDC-SCL HDMI4-5VIN R186...
  • Page 28 3V3-STB CNA3 AMPVCC AMP-VCC AMP-STB/ AMP-VCC + EA8 + EA1 + EA2 + EA9 RA32 AMP-STB AMP-STB// CA32 4PIN-2.54-D-H- SK34A-SMA 470uF-35V-± 20%-10× 13 105 0.1uF-0603-Y5V-+80%-20%-50V 470uF-35V-± 20%-10× 13 105 MMBT3904(f≥350MHz) NC/470uF-16V-± 20%-8× 12-105 0.1uF-0402-Y5V-+80%-20%-16V NC/470uF-16V-± 20%-8× 12-105 4K7ohm-0402-± 5%-1/16W 1Kohm-0402-± 5%-1/16W AMP-24V 5V-M AMP-12V...
  • Page 29 TUNER-VCC C130 5V-M TUNER-VCC AVDD3V C132 R320 VIFM R324 IF-AGC TDA-IF-AGC/ TAGC C135 CT22 R322 C143 VIFP 100ohm-0402-± 5%-1/16W 10Kohm-0402-± 5%-1/16W C144 10uF-0805-X5R-± 10%-6.3V 0.1uF-0402-Y5V-+80%-20%-16V 10Kohm-0402-± 5%-1/16W 0.1uF-0402-Y5V-+80%-20%-16V SWI0603F-R22J LC1117CLTR33 2.2uF-0603-Y5V-+80%-20%-10V 10uF-0805-X5R-± 10%-6.3V 10uF-0805-X5R-± 10%-6.3V 56pF-0402-NPO-±5%-50V 0ohm-0402-± 5%-1/16W 56pF-0402-NPO-±5%-50V 0ohm-0402-± 5%-1/16W 300ohm-0402-±...
  • Page 30 Service Manual Model No.: LE50B7000 7-2 . Wiring Connection Diagram...

  • Page 31: Chapter 8. Measurements And Adjustments

    Service Manual Model No.: LE50B7000 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: Input “8893”, System will be into the factory mode menu when 2 steps above are done.

  • Page 32: General Setting

    Service Manual Model No.: LE50B7000 8-2-2. GENERAL SETTING 1)LVDS MAP: choose the MAP; 2)Logo: select On to Show start-up screen 3)Power: select On to set TV bootup automatically when AC power on; 4)WHITE PATTERN: select the d ifferent color test screen 5)PWM: Backlight dimming;...

  • Page 33: Sound

    Service Manual Model No.: LE50B7000 8-2-4. SOUND Adjust the values of Sound Mode, Volume Curve,Audio Output in different source. 8-2-5. DEBUG: undefined; 8-2-6. ADC ADJUST: undefined; 8-2-7. EMC SETTING: undefined; 8-2-8. SW INFORMATION Display the software information. 8-2-9.Software Update(USB) 8-2-10.INIT FAC CHANNEL Initialize the factory channel.

  • Page 34: Software Update

    Service Manual Model No.: LE50B7000 8-3. Software Update 8-3-1. TSUMV59XU software update 1. Copy the software les 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 35: Chapter 9. Trouble Shooting

    Service Manual Model No.: LE50B7000 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 36: Mainboard Ic Introduction

    Service Manual Model No.: LE50B7000 9-2. Mainboard IC Introduction Top view...
  • Page 37 Service Manual Model No.: LE50B7000 Bottom view...
  • Page 38 Service Manual Model No.: LE50B7000 1.Mainchip—TSUMV59XU(U9) 2. Audio Amplier—TPA3110D2 (UA1) 3.Main Flash Memory—W25Q32BVSSIG (UF11) 4.DC/DC convertor 5V-AVDD_2.5/1.8V for MSD3393LU (U9)—LC1117CLTRAD (UL41) 5.voltage convertor 5V to 3.3V_STB —LC1117CLTR33 (UL1) 6.voltage convertor 5V to 1.2V_VDDC —CH4055U-100K-021 (U4) 7.voltage convertor 5V to AVDD_3V for tuner—LC1117CLTR33...

  • Page 39: Mainboard Failure Check

    Service Manual Model No.: LE50B7000 9-3. Mainboard Failure Check No picture but have sound Check the power output Change the Power Board There’s something wrong Check the CN6 (BLO) with FRC Backlight on/off Verify if the DC/DC convertor can output the...
  • Page 40 Service Manual Model No.: LE50B7000 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 41 Service Manual Model No.: LE50B7000 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 CN4 Pin1 has 12V Change Power board input...
  • Page 42 Service Manual Model No.: LE50B7000 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 43 Service Manual Model No.: LE50B7000 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 44 Service Manual Model No.: LE50B7000 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 45: Pannel Failure

    Service Manual Model No.: LE50B7000 9-4. Pannel Failure Failure Mode...
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  • Page 50 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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