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Haier HL26R1 Service Manual

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COLOR TV
Model No. : HL26R1
CHASSIS:
MTK5380L
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 b electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the
product deal with in this service information by anyone else could result in serious injury or death.
limited company
2009 (Qingdao Electronics
)
All rights reserved. Unauthorized copying and distribution is a violation of
law.
1

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  • Page 1 COLOR TV Model No. : HL26R1 CHASSIS: MTK5380L 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 b electricity should be serviced or repaired only by experienced professional technicians.

  • Page 2: Table Of Contents

    CONTENTS Table of contents ………………....…………………………….2 1. General Information …………....…………………………..3 1-1. General Guidelines...…………………………………………………..3 1-2. Important notice………………………………………………………...3 1-3. How to read this Service Manual……………………………………..4 2. Specifications ……………………………………………....6 3. Location of Controls and Components ......7 3-1.Board Location…………………………………………………………..7 3-2. Main Board & AV Board………………………………………………..7 3-3.
  • Page 3 ............42 8-1-1.How to enter into Service Mode ..................42 8-1-2.How to exit 8-2. Measurements and Adjustments ..........42 9. Trouble shooting ..............48 9-1. Simple check ................48 9-2. Power Supply Board failure check ..........49 9-3. Main board failure check ..............50 9-4. Pannel failure ................52...

  • Page 4: General Information

    1. General Information 1-1 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. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 5: How To Read This Service Manual

    1-2-6. Safety Check after Repairment Confirm that the screws ,parts and wiring which were removed in order to service are put in the original positions, or whether there are the portions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades.

  • Page 6: Specifications

    A “warning” is used when there is danger of personal injury. Reference: A “reference” guides the reader to other places in this binder or in this manual, where he/she will find additional information on a specific topic. 2. Specification HL26R1 Model 26inch Screen size 16:9...

  • Page 7: 3-1.Board Location

    3-1 Board Location Parts number Description A Board Main Board(0090719678C) DC1650E0100M B Board 0094001177A Power Board 3-2 Main Board & AV Board 3-2-1 Function Description: Main Board： Process signal which incept from exterior equipment，then translate into signal that panel can display.
  • Page 8 Pin number Signal number +5VSB +12V +12V Notes: CNA1-Pin1:System power on / standby System board will use this pin to control system power. Pin number Signal number Dimming ON/OFF SELECT(NC) Notes: CN1-Pin2: Backlight on/off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path.

  • Page 9: Power Board

    Pin number Signal number ADIN1-K0 ADIN2-K1 Speaker connector(CNC1) Pin number Signal number SPEA_L+ SPEA_L- SPEA_R_ SPEA_R+ Other connectors: CNB2 to Upgrade the program of MTK5380L (U13) AND FLASH (U17) 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectordefinition CON2...
  • Page 10 CON3 CON4 CON5...

  • Page 11: Lcd Panel

    3-4. LCD Panel 3-4-1 Function Description: Display the signal. 3-4-2 Connector definition...

  • Page 12: Disassemble And Assemble

    4.Disassemble and assemble...

  • Page 13: Remove The Pedestal

    DISASSEMBLY INSTRUCTIONS 4.2 Remove the Back Cover 4.1 Remove the Pedestal pedestal 4.4 Remove the Keypad Assembly 4.3 Remove the Main board and power supply four M3 8 two M4 12 4.5 Remove the speaker 4.6 Remove the side AV plastic board two M3x8 screws two M3x8 screws four M3*10...

  • Page 14: Installation Instructions

    5.installation instruction E x t e r n a l E q u i p m e n t C o n n e c t i o n s Accessories CABLE PICTURE AUDIO HDMI TFT-LCD TV OWNER S MANUAL INPUT MUTE RECALL...
  • Page 15 E x t e r n a l E q u i p m e n t C o n n e c t i o n s NOTE: All cables shown are not included with the TV. Choose Y our Connection There are several ways to connect your television, depending on the components you want to connect and...

  • Page 16: Connecting A Dvd Player

    External A/V Source Setup How to connect Connect the audio and video cables from the external equipment's output jacks to the TV input jacks, as shown in the figure. When connecting the TV to external equipment, match the DVI AUDIO DVI AUDIO jack colors (Video = yellow, Audio Left = white, and Audio Right = red).

  • Page 17: Connecting A Digital Audio Output

    Connecting a DTV(digital TV) This TV can receive Digital Over-the-air/Cable signals without an external digital set-top box. However, if you do receive Digital signals from a digital set-top box or other digital external device, refer to the figure as shown below. This TV supports HDCP (High-bandwidth Digital Contents Protection) protocol for Digital Contents (480p,720p,1080i).

  • Page 18: Connecting A Computer

    Connecting a computer How to connect 1. To get the best picture quality, adjust the VGA graphics card to 1024x768 . 2. Use the TV`s VGA or DVI (Digital Visual Interface)Audio IN port for audio connections, depending on your computer connector.

  • Page 19: Hdmi And Dvi Input

    HDMI and DVI input When the source device(DVD player or Set Top Box) supports HDMI How To Connect 1. Connect the source device to HDMI port of this TV with an HDMI cable(not supplied with this product). 2. No separated audio connection is necessary. How To Use If the source device supports Auto HDMI function, the output resolution of the source device will be automatically set to 1280x720p.

  • Page 20: Cable Sample

    Cable sample HDMI Cable (not supplied with the product) HDMI to DVI Cable (not supplied with the product) Analog Audio Cable (Stereo to RCA type) (not supplied with the product)

  • Page 21: Connecting Headphones

    Connecting Headphones You can connect a set of headphones to your set if you wish to watch a TV programme without disturbing the other people in the room. Plug a set of headphones into the 3.5mm HDMI3 IN HDMI4 IN mini-jack socket on the side panel of the set.

  • Page 22: Operation Instructions

    6. Operation Instructions Basal information TV Side panel controls and connections HL26R1/HL32R1/HL42XR1 HL26K1/HL32K1/HL32XK1/HL42XK1 1.MENU: Menu display. Press to access the on-screen menu display 2.INPUT: Press to access the input source mode. Press repeatedly to change the source to the one you want to watch.

  • Page 23: Back Panel Controls

    Back panel connections DVI AUDIO DVI AUDIO Pr Pr AUDIO AUDIO VGA AUDIO VGA AUDIO S-VIDEO S-VIDEO VIDEO VIDEO AUDIO AUDIO AUDIO AUDIO AUDIO AUDIO Connect various types of digital audio equipment. 1. Digital Audio Output: NOTE: In standby mode, these ports will not work. When using a DVI to HDMI adapter, connect the audio signal to these jacks.

  • Page 24: Setting Up Your Remote Control

    6-3 Setting Up Your Remote Control The remote control cannot be operated unless the batteries are properly loaded. When using the remote control, aim it at the remote sensor on the TV. 1.POWER Function introduction Press to turn on and off the TV. 2.TV DVD SETBOX CABLE VCR To select one of the system modes in which the remote control can be used.

  • Page 25: Electrical Parts

    7. Electrical parts 7-1. Block diagram MTK5380L MT8292 TPA3101 7-2. Circuit Diagram...
  • Page 26 02. DIGITAL POWER 5.Add DRAM Serial resistors. 6.Add CEC uP. 7. Add U16 MT8292 2007/06/11 IR_IN IR_IN 03. ANALOG POWER OIRI OIRI 04. PERIPHERAL OPCTRL3 OPCTRL3 EMI/HAIER Flash 05. ANALOG PLL/USB2.0/TUNER ADIN1 ADIN1 ADIN2 U17,U18 ADIN2 06. DDR1 MEMORY Speaker 07. FLASH/JTAG/UART/IR/TRAP...
  • Page 27 1,3,4,5,6,7,8,9,10,11,12,13,14,15 1,3,4,5,8,9,10,15 +5VSB 1,11,15 +5VSB +3V3SB 1,4,7,8,9,10,13 +3V3SB AZ1117/adj DV10 DV10 AV33 SOT223/SMD DV33 MEM_VREF L134 MEM_VREF DDRV DDRV DV33 NS/FB 4,7,9,14 DV33 AV33 BEAD/SMD/0805 3,5,8,9,10,13 AV33 110_1% CE71 CB33 CB37 R0603/SMD 220uF/16v 100uF/16V C220UF10V/D6.3H7 C100UF16V/D6.3H7 0.1uF 0.1uF C0402/SMD C0402/SMD 180_1% DDRV DV33...
  • Page 28 1,2,4,5,6,7,8,9,10,11,12,13,14,15 1,2,4,5,8,9,10,15 AV33 2,5,8,9,10,13 AV33 AV12 5,8,10 AV12 +5V_TUNER +5V_TUNER AV25 5,12 AV25 AZ1117/adj SOT223/SMD AV33 +12V 1,9,15 +12V FOR MT8292 9V +12V OPWM2 OPWM2 110_1% C573 CE19 R0603/SMD 47uF/16V ADJ/GND C47UF16V/D5H7 CE22 CB18 C324 CE96 0.1uF C0402/SMD BA178M09FP 220uF/16V 100uF/16V C0402/SMD C0603/SMD...
  • Page 29 1,2,3,5,6,7,8,9,10,11,12,13,14,15 U13B OPCTRL3 DV33 OPCTRL3 2,7,9,14 DV33 OSDA0 +3V3SB OSDA0 1,2,7,8,9,10,13 +3V3SB OSCL0 GPIO_0 ADIN1 OSDA1 OSCL0 GPIO_0 ADIN1 OSDA1 OSDA1 GPIO_1 ADIN2 OSCL1 OSCL1 OSDA1 GPIO_1 ADIN2 OSCL1 GPIO_3 OPWRSB NC/0R +3V3SB OPWRSB OSCL1 GPIO_3 OPWM0 GPIO_4 R0603/SMD OPWM0 GPIO_4 1,2,3,5,8,9,10,15 OPWM1...
  • Page 30 __D- 0.1uF C0402/SMD C0805/SMD 0.01uF 0.1uF C0402/SMD C0402/SMD AVSS25_SADC C0402/SMD USB_DP __D+ CE228 __GND 220uF/16V C470UF16V/D8H9 U13H USB CON USB-A-VA/Haier AVDD25_SADC TP12 USB0PWRERR AVDD25_SADC AVSS25_SADC ESD_0402_0.15pF ESD_0402_0.15pF SIFP AVSS25_SADC C0402/SMD C0402/SMD SIFN change foot print 20080110 RF_AGC TUNER_DATA R1593 IF_AGC...
  • Page 31 1,2,3,4,5,7,8,9,10,11,12,13,14,15 DDRV DDRV MEM_VREF U13A MEM_VREF DDRV DDRV RDQS0 RDQS0 RDQM0 RDQM0 RDQ0 RWE# RDQ0 RWE_ RDQ1 RBA0 MEM_DQ0 MEM_DQ14 Swap for layout RDQ1 RBA0 DQ15 RDQ2 RDQ2 VDDQ VSSQ RDQ3 RBA1 MEM_DQ1 MEM_DQ15 RDQ3 RBA1 DQ14 RDQ4 MEM_DQ2 MEM_DQ13 RDQ4 DQ13 RDQ5...
  • Page 32 1,2,3,4,5,6,8,9,10,11,12,13,14,15 +5VSB U13J 1,2,11,15 +5VSB R0603/SMD +3V3SB 1,2,4,8,9,10,13 +3V3SB U2RX U2RX POCE0# U0RX POCE0# DV33 DV33 POOE# DV33 U2TX POCE0_ U0RX HOLD# SCLK U2TX POOE# U0TX PDD0 R1208 DV33 DV33 PDD1 OSDA1 POOE_ U0TX HOLD_ OSDA1 PDD0 FRESET# POOE# OSCL1 PDD0 W_/VPP OSCL1...
  • Page 33 D1 Shield DDC CLK HDMI3_RX1+ HDMI3_RX2- R2130 R2131 HDMI1_RXC- D2 Shield HDMI3_RX2+ 10K/NC R2132 SHELL3 CK Shield 10K/NC HDMI1_RXC+ SHELL1 HDMI1_RX0- HDMI/HAIER D0 Shield HDMI/HAIER_JAE AV33_HDMI HDMI1_RX0+ HDMI1_RX1- AV33_HDMI D1 Shield HDMI1_RX1+ CAT6354 HDMI1_RX2- TQFP100 D2 Shield HDMI1_RX2+ SHELL3 SHELL1 HDMI2_RXC-...
  • Page 34 1,2,3,4,5,6,7,8,10,11,12,13,14,15 U13C +12V 1,3,15 +12V 1,2,3,4,5,8,10,15 AV33 2,3,5,8,10,13 AV33 +3V3SB AVDD33_LVDS AVDD33_LVDSA 1,2,4,7,8,10,13 +3V3SB AVDD33_LVDS GPIO_[4..11] AVDD33_LVDSB 4,8,13,15 GPIO_[4..11] AVDD33_LVDS AV33 AVDD33_LVDSC OPWM1 OPWM1 AVDD33_VPLL FB55 AVDD33_VPLL TP42 AVDD33_VPLL BEAD/SMD/0603 CND1 CK1N CK1N CK1P CE580 C106 CK1P +3V3SB 100uF/16V CB192 0.1uF TP45 C100UF16V/D6.3H7...
  • Page 35 TEST COPPER C0805/SMD R0603/SMD D221 Y_GND R1190 R1189 C355 10nF D220 NS/ESD_0402_10pF R0603/SMD C0402/SMD R0603/SMD ESD_0402_10pF RCA3X1 C0402/SMD R0603/SMD 4.7K C0402/SMD RCA3/HAIER R0603/SMD DVD_IR PB0_IN R1192 C357 10nF PB0P R0603/SMD C0402/SMD YPBPR0R_IN DVD_IR YPBPR0L_IN IR_IN TP101 C359 MMBT3906 15pF DVD_PR1 YPBPR0R_IN...
  • Page 36 1,2,3,4,5,6,7,8,9,10,12,13,14,15 +5VSB NEARLY IC 1,2,15 +5VSB +5VSB VGA/HAIER R161 4.7nF C131 NEARLY VGA CON. R0603/SMD C0603/SMD UTX# RED_GND R163 10nF C132 GRN_GND 1N4148 R0603/SMD C0402/SMD VGASDA_IN 1N4148/SMD VSYNC VSYNC BLU_GND HSYNC HSYNC HSYNC# R165 C134 1N4148 VGA_PLUGPWR ESD_0402_10pF OPCTRL4 OPCTRL4...
  • Page 37 R1215 C570 GND_CVBS R0603/SMD C0402/SMD SY1R_IN SY1L_IN SY1L_IN SY1R_IN SY1_IN R1597 C534 47nF D148 D104 R0603/SMD R1560 C0402/SMD RCA2X1 R0603/SMD RCA2/HAIER/L ESD_0402_10pF ESD_0402_10pF D145 R1562 C459 47pF C0402/SMD C0402/SMD ESD_0402_10pF C0402/SMD R0603/SMD C0402/SMD C571 GND_SV AV1R_IN R1230 C0402/SMD NEARLY MT5380s...
  • Page 38 1,2,3,4,5,6,7,8,9,10,11,12,14,15 AV33 AV33 U13G +5VSB 1,2,11,15 +5VSB FB50 AVDD33_AADC FB51 AVDD33_ADAC0 +12V 1,3,9,15 +12V AIN0_L ASPDIF BEAD/SMD/0603 BEAD/SMD/0603 AV33 AIN0_L ASPDIF 2,3,5,8,9,10 AV33 AIN0_R AOMCLK AIN0_R AOMCLK 1,2,3,4,5,8,9,10,15 AIN1_L AOLRCK CE55 C201 C202 AIN0_L AIN0_L AIN1_L AOLRCK AIN1_R AOBCK CB170 CB171 AIN0_R AIN0_R...
  • Page 39 R0603/SMD TJC3-3A/NC SY1L_IN C653 4.7uF/6.3V R1765 AIN1L SY1L_IN HPOUTR SIP-3P-2.5A C0805/SMD R0603/SMD RCA2X1 HPOUTL SY1R_IN C654 4.7uF/6.3V R1766 AIN1R SY1R_IN RCA2/HAIER/L R1872 C0805/SMD R0603/SMD change FootPrint 20080110 MUTE R0603/SMD R1873 D203 MUTE R0603/SMD 2SD2653K NS/ESD_0402_10pF D204 AV_OUT SOT23/SMD C0402/SMD 2SD2653K...
  • Page 40 +24/16.5V +24/16.5V TP66 CNA2 TEST RU3M-DIODES RU3M-DIODES DIODES/RU3M DIODES/RU3M TJC3-4A SIP-4P-2.5A +5VSB L143 33uH/2A Speaker-R+ AMP供电 L5-9 R1771 C661 C685 4.7K CE626 C662 0.1uF/50V C686 0.1uF/50V 0.01uF/50V R0603/SMD 0.47uF/50V CAP_5 470uF/35V C0603/SMD C0603/SMD C/DIP L144 33uH/2A C470UF16V/D10H9 +12V R17724.7K Speaker-R- GPIO_8 R0603/SMD GPIO_8...

  • Page 42: Measurements And Adjustments

    8. Measurements and Adjustments 8-1. Service Mode 8-1-1.How to enter into Service Mode The way to the factory mode menu: 1st, press menu, 2en, input 8893, Finished these operations , system will be into the factory mode menu. 8-1-2.How to exit IF want to exit this factory menu,please press the botton”Exit”...
  • Page 43 8-2-2 Video Auto Color The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically. Color Temperature The function could adjust the Color Temperature., used when debugging. 8-2-3 Audio Dolby Banner: When turn it “ON”, the model will be in Dolby authentication state.
  • Page 44 Compression: Compression style. RF： atv line：AV/S-Video/YPbPr/VGA Compression Factor: Compression state. Downmix: output model. MTS System: used when debugging. The parameters only used when debugging, no need to be modified. 8-2-4 Channel Range Scan: The function could make it to search the channels by differentiation the analog and digital channels.
  • Page 45 Factory Scan: According to ANTENNA-ANALOG---〉ANTENNA-DIGITAL---〉CABLE- ANALOG---〉CABLE- DIGITAL to search channels, used only in project debugging. Tuner Diagnostic: Project debugging setting, used to inspect the audio function. 8-2-5Gamma Gamma: Bright：GAMMA0.8 Middle：default settings in the program Dark：GAMMA1.2...
  • Page 46 8-2-6 Backlight Backlight: adjust the backlight . 8-2-7 Function Burning Mode: Turn it “ON” to enter the aging model, This is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time.
  • Page 47 Clean Storage：The function could make the model turn back to the factory default setting.

  • Page 48: Trouble Shooting

    Remark: The date of the chart only is a example, please don’t adjust the factory mode base on it. 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 Press INPUT button to change signal input to TV input...

  • Page 49: Power Supply Board Failure Check

    Horiaontal/vertical bars Check for local interference such as an electrical appliance or picture shaking power tool. Disconnect the television from power supply and 10 seconds later, connect the television to the power supply. If the problem still exists, contact authorized after-sales service for technical Television out of control assistance.

  • Page 50: Main Board Failure Check

    9-3. Main board failure check State: No Sound No Sound (All Mode) Fail Check the input Change Source input Source Pass Fail Check the input/output Re-soldering or change Of IC U13 of Main B/D IC U13 Pass Fail Check the input/output Re-soldering or change Of IC U55 of Main B/D IC U55...
  • Page 51 State：No picture No Raster on Panel Fail Check the backlight B/D Change the backlight B/D Pass Re-soldering or change Fail Check the input/output of IC UA1 and RNA1-17 jack CN3 of Main B/D Pass Fail Check the input/output of Re-soldering or change Jack CN4 of Main B/D IC U13 Pass...

  • Page 52: Pannel Failure

    9-4. Pannel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking V B/D Vertical bar Dim or L/D :TCP Sunken :TCP lead cracking :ACF bonding short Vertal gray :Awful environment and something electric enter into V Dim line :Mis-align between TCP and Panel...
  • Page 53 3. Pannel and vsc connect bad Bright and dark Flashing display alternately Failure Mode Part Name Description Phenomena Failure cause B/L normal, only White white screen Screen display Maybe caused by surge current and EDS B/L normal, only Black Black screen Screen display...
  • Page 54 wire Without backlight Operation abnormal or systemic noise open shut B/L shutdown in Short bitween lamp housing and wire, Because down sometime consume power too much ,white,balck F/M in B/L unit Rotundity wirelike Failure Mode Part Name Description Phenomena Failure cause Brightness Light bottom of LCM...
  • Page 55 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...

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