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Haier UL50H65 Service Manual

Msd3393 chassis
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SERVICE MANUAL
LED TV
Model No. UL50H65
MSD3393 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 UL50H65

  • 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.: UL50H65 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.: UL50H65 4-3-2. Connector definition ................15 4-4. LCD Panel ..................16 Chapter 5. Installation Instructions 5-1. Accessories ................20 5-2. External Equipment Connections..........21 Chapter 6. Operation Instructions 6-1. Front Panel Controls..............22 6-2. Back Panel Controls ..............23 6-3. Setting Up Your Remote Control ..........24 Chapter 7.

  • Page 4: Chapter 1. General Information

    Service Manual Model No.: UL50H65 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.: UL50H65 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.: UL50H65 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.: UL50H65 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 Model No.: UL50H65 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.: UL50H65 Chapter 2. Specification 2-1. Specification list Model UL50H65 Screen Size 50" Aspect Ratio 16:9 Resolution 3840x2160 Brightness (cd/m²) Contrast 1200:1 Response Time (ms) Angel of View H:160°, V:150° Color Display 1.07G OSD Language Korean/English Color System...

  • Page 10: External Pictures (Four Faces)

    Service Manual Model No.: UL50H65 2-2. External pictures (four faces) Front Side Up Side...
  • Page 11 Service Manual Model No.: UL50H65 Right Side Back Side...

  • Page 12: Chapter 3. Disassemble And Assemble

    Service Manual Model No.: UL50H65 Chapter 3. Disassemble and Assemble 3-1. UL50H65 3-1-1. Remove the Stand 3-1-3. Remove the Mainboard 1. Remove the four screws indicated with redcircles. 2. Remove the Mainbord. 1. Lay down the TV set 2. Remove the four screws from the stand which in the picture above.

  • Page 13: Remove The Remote Control Board

    Service Manual Model No.: UL50H65 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. 3-1-7. Remove the Key Board...

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

    Service Manual Model No.: UL50H65 Chapter 4. Location of Controls and Components 4-1. Board Location C Panel B Board A Board Parts number Description A Board 6007460245 Power Supply Module DH1TN0M0801M B Board Mainboard 711-50020-E2300 C Panel LCD Panel...

  • Page 15: Mainboard

    Service Manual Model No.: UL50H65 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 Inverter connector CN5 IR & Key Interface Pin number Signal name Pin number...

  • Page 16: Power Supply Module

    Service Manual Model No.: UL50H65 4-3. Power Supply Module 4-3-1. Function Description To supply power for Mainboard, Panel. 4-3-2. Connector definition CON3 & CON4 CON2 CON1 Mainboard power supply LED driver connector connector CN1 CON3 Pin number Signal name Pin number...

  • Page 17: Lcd Panel

    Service Manual Model No.: UL50H65 4-4. LCD Panel Connector Definition UL50H6500 Backlight Unit LVDS CONNECTOR CNF1 CNF2 Backlight Unit...
  • Page 18 Service Manual Model No.: UL50H65...
  • Page 19 Service Manual Model No.: UL50H65...
  • Page 20 Service Manual Model No.: UL50H65...

  • Page 21: Chapter 5. Installation Instructions

    Service Manual Model No.: UL50H65 Chapter 5. Installation Instructions 5-1. Accessories Batteries Remote Control...

  • Page 22: External Equipment Connections

    Service Manual Model No.: UL50H65 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 23: Chapter 6. Operation Instructions

    Service Manual Model No.: UL50H65 Chapter 6. Operation Instructions 6-1. Front Panel Controls 4 CH+/- TV channel up or down. SOURCE Display the input source menu. 5 POWER Turn the TV On/Off. MENU Press to select the main menu. VOL+/- Press to decrease or increase the volume.

  • Page 24: Back Panel Controls

    Service Manual Model No.: UL50H65 6-2. Back Panel Controls Earphone output SCART input PC Audio input input input Coax output YPBPR input Video/Audio in input input 10 HDMI1 input 11 HDMI2 input 12 HDMI3(ARC) input 13 USB input...

  • Page 25: Setting Up Your Remote Control

    Service Manual Model No.: UL50H65 6-3. Setting Up Your Remote Control When using the remote control, aim it towards the remote sensor on the TV.

  • Page 26: Chapter 7. Electrical Parts

    Service Manual Model No.: UL50H65 Chapter 7. Electrical Parts 7-1. Circuit Diagram...
  • Page 27 DLP11SN900HL2 1.15V_STB 1V8_DDR DLP11SN900HL2 DLP11SN900HL2 DLP11SN900HL2 3V3_STB CD22 CD10 CL16 10uF-0603-X5R-20%-6.3V 0.1uF-0402-Y5V-+80%-20%-16V 1uF-0402-X5R-20%-6.3V 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 3V3_STB +3_3V_AU 3V3_STB +3_3V_PLL HDMI2_RX1_N USB0_DP RX1N_B DP_P0 HDMI2_RX1_P USB0_DM RX1P_B DM_P0 HDMI2_RX2_N RESET_H RX2N_B RESET WAKE_UP HDMI2_RX2_P RX2P_B CL17 CL18 REMOTE 3V3_STB AVDD_MOD IRIN HDMI1_RXC_N...
  • Page 29 RV17 RV15...
  • Page 30 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 31 NC/0ohm-0603-5%-1/10W NC/0ohm-0603-5%-1/10W CN18 LOUT+ RA23 LOUT+' LOUT- ROUT- ROUT+ RA26 ROUT+' 4PIN-2.54-D-H-G-B CNA2 330ohm-0402-5%-1/16W 330ohm-0402-5%-1/16W 330ohm-0402-5%-1/16W 330ohm-0402-5%-1/16W 330ohm-0402-5%-1/16W 330ohm-0402-5%-1/16W 0.022uF-0402-X7R-10%-16V 0.022uF-0402-X7R-10%-16V EP_R 0.022uF-0402-X7R-10%-16V RA36 RA33 0.022uF-0402-X7R-10%-16V RA37 RA34 EP_L RA35 PJ-339 CA30 CA32 CA33 CA34 10uF-0805-X5R-20%-16V 10uF-0805-X5R-20%-16V 3V3_STB 5V_M 47Kohm-0402-5%-1/16W RA22 RA28 4K7ohm-0402-5%-1/16W...
  • Page 32 CD47...
  • Page 33 LVDS & VB1 out L L D V V S & VB V V 1 out TCON Local Dimming...

  • Page 35: T.ms3393T.u87 Software Update

    MIU1 MIU1...
  • Page 37 EPAD...
  • Page 38 VDDQ VDDQ VDDQ VSSQ VDDQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VSSQ VDDQ VSSQ VSSQ VSSQ VDDQ VDDQ VDDQ VDDQ VSSQ VDDQ VSSQ...
  • Page 39 1000pF-0402-X7R-10%-50V 0.1uF-0603-Y5V-+80%-20%-50V 100ohm-0402-5%-1/16W 10ohm-0603-5%-1/10W 1000pF-0402-X7R-10%-50V 0.22uF-0402-Y5V-+80%-20%-16V 1000pF-0402-X7R-10%-50V 0.22uF-0402-Y5V-+80%-20%-16V AMPVCC 100ohm-0402-5%-1/16W 47Kohm-0402-5%-1/16W AVCC AMPVCC 220ohm-0402-5%-1/16W AMP_MUTE/ PVCCL FAULT PVCCL RA21 AMP-LO LINP BSPL SLN54T-220K 1uF-0603-X5R-10%-25V 0.22uF-0402-Y5V-+80%-20%-16V 1uF-0603-X5R-10%-25V LINN OUTPL CA27 NC/1000pF-0402-X7R-10%-50V NC/1000pF-0402-X7R-10%-50V 5V_M GAIN0 PGND CA11 GAIN1 OUTNL SLN54T-220K LOUT+ AVCC 0.22uF-0402-Y5V-+80%-20%-16V CA28 CA12...
  • Page 40 Service Manu...

  • Page 41: Circuit Diagram

    Circuit Diagram 7-2 .

  • Page 42: Chapter 8. Measurements And Adjustments

    Service Manual Model No.: UL50H65 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 43: General Setting

    Service Manual Model No.: UL50H65 8-2-2. Auto Adjust 1)Auto Adjust; 2)Source; 3)R-Gain; 4)G-Gain; 5)B-Gain; 6)R-Offse; 7)G-Offset; 8)B-Offset; 9)Reset. 8-2-3. PICTURE 1)White Balance...

  • Page 44: Sound

    Service Manual Model No.: UL50H65 8-2-4. SOUND 1)Volume Curve; 2)HP Volume Curve; 3)Audio Adjust; 4)Audio AVC. 8-2-5. General 1)Backlight; 2)LCN; 3)Power Mode; 4)PVR Record 5)Test Patten; 6)Aging Mode; 7)Demo mode; 8)WSS; 9)APS; 8-2-6. Debug 1)Backlight; 2)LCN; 3)Power Mode; 4)PVR Record 5)Test Patten;...

  • Page 45: Software Update

    Service Manual Model No.: UL50H65 8-3. Software Update 8-3-1. MSD308B 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 46: Chapter 9. Trouble Shooting

    Service Manual Model No.: UL50H65 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 47: Mainboard Ic Introduction

    Service Manual Model No.: UL50H65 9-2. Mainboard IC Introduction Top view...
  • Page 48 Service Manual Model No.: UL50H65 Bottom view...
  • Page 49 Service Manual Model No.: UL50H65 1.Mainchip—MSD308BT U1A 2. Audio Amplifier—TPA311OD2 (UA31) 3.Main Flash Memory—GD25Q16DVIG (UF11) 4.DC/DC convertor 5V-1.8V for MSD308BT U1A —LC1117CLTRAD (UL11) 5.voltage convertor 5V to 3.3V_STB —LC1117CLTR33 (UL1) 6.voltage convertor 5V to 1.15V_STB —LC1117CLTR33 (UL61) 7.voltage convertor 5V to 3.3V for tuner—LC1117CLTR33...

  • Page 50: Mainboard Failure Check

    Service Manual Model No.: UL50H65 9-3. Mainboard Failure Check...
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  • Page 56: Pannel Failure

    Service Manual Model No.: UL50H65 9-4. Pannel Failure Failure Mode...
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  • Page 61 Sincere Forever Group Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...

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