Advertisement

Quick Links

SERVICE MANUAL
LED TV
LE50K6000SF
Model No.
Chassis
MSD3463
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.

Advertisement

Table of Contents
loading

Summary of Contents for Haier LE50K6000SF

  • Page 1 SERVICE MANUAL LED TV LE50K6000SF Model No. Chassis MSD3463 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.
  • Page 2: Table Of Contents

    Service Manual Model No.: Chapter 1: General Information 1-1. Table of Contents 1. General Information................1-1. Table of Contents 1-2. General Guidelines 1-3. Important Notice 1-4. How to Read this Service Manual ..................3. Location of Controls and Components........... 3-1. Board Location 3-2.
  • Page 3: General Guidelines

    Service Manual Model No.: 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. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 4 Service Manual Model No.: 1-3-6 Safety Check after Repairment in the original positions, or whether there are the positions 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. And be sure the safety of that. General Servicing Precautions 1.
  • Page 5 Service Manual Model No.: 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. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
  • Page 6: How To Read This Service Manual

    Service Manual Model No.: 1-3-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-4. How to Read this Service Manual Using Icons: each icon is described in the table below: Note:...
  • Page 7 Service Manual Model No.: LE50K6000SF Model 50 inch Screen Size Aspect Ratio 16:9 Resolution 1920*1080 (GRAY TO Response Time (ms) GRAY) 160°/150° Angel of View Color Display 16.7M No. of Preset Channels 500(DTV);100(ATV) glish, Russian OSD Language Color System PAL/SECAM...
  • Page 8: Location Of Controls And Components

    Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location Description A Board Main board A Board Main board 3-2 Main Board - 07 -...
  • Page 9 Service Manual Model No.: 3-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. Main board connector Keypad and remote connector ( CN201 ) STANDBY Speaker connector (CN601) Pin number Signal name Description RSPK+...
  • Page 10: Led Panel

    Service Manual Model No.: 3-3. LED Panel V500HJ1-PE8(C7) - 09 -...
  • Page 11: Connector Definition

    Service Manual Model No.: 3-4.Connector De finition 3-4.Connector De finition - 10 -...
  • Page 12: Disassemble And Assemble

    Service Manual Model No.: 4. Disassemble and assemble 4-1 Remove the Stand Base faces upward 4-2 Remove the Back Cover unit. 4-3. Remove the adhesive tape Remove the adhesive tape indicated on the - 11 -...
  • Page 13: Remove The Main Board

    Service Manual Model No.: 4-4 Remove the Main board 4-5 Remove the speaker Take out the speaker - 12 -...
  • Page 14: Remove The Remote Control Board

    Service Manual Model No.: 4-6 Remove the remote control board take out the remote control board - 13 -...
  • Page 15: Installation Instructions

    Service Manual Model No.: 5. Installation Instructions 5-1 External Equipment Connections Accessories Remote control refers to user manual. Remote control refers to user manual. - 14 -...
  • Page 18 1.5V Power for DDR3 1.2V 3A for VDDC 工作频率474Khz占空比10%工作电流800mA,实测电压1.16V,纹波35mV U107 IC-DCDC/TPS563201,3A,17V,SOT23-6,0.75V TI 1.2V_VDDC 工作频率1.398Mhz占空比30%工作电流234mA,实测电压1.54V,纹波50mV +12V_Normal C117 10nF/50V/X7R 811MA LD21 +1.5V_DDR L101 2.2uH-2.5A 2.2uH_2A C111 10uF/25V/X5R/0805 R103 TPS563201 C118 10uF/25V/X5R/0805 R134 +5V_Normal C122 33PF/50V/NPO SOT23-6 1uF/25V/X5R/0603 10K/1% RD135 CD96 10uF/6.3V/X5R/0603 C125 C105 10uF/6.3V/X5R/0603 IC-DCDC/TLV62565/1.5A,5.5V,降压/SOT23-5...
  • Page 19 CORE POWER DDR3 POWER OTHER RXO0- RXO_0- RXO0+ RXO_0+ RXO1- IP_S 0.1uF C258 RXO_1- IP_S_1 RXO1+ AVDD_DDR_DATA RXO_1+ +1.5V_DDR AVDD_DDR_CMD AVDD_DDR_DATA AVDD5V_MHL RXO2- AVDD_DDR_CMD QP_S 0.1uF C256 RXO_2- 1.2V_VDDC VDDC AVDDL_DVI DVDD_DDR RXO2+ AVDD_ETH VDDC VDDC QP_S_1 RXO_2+ FB205 FB212 RXO3- AVDDL_DVI IFAGC_S...
  • Page 20 LVDS CONNECTOR CN202 2*20Pin-2.0mm RXO0+ RXO0- RO0+ RO0- RXO1+ RXO1- RO1+ RO1- RXO2+ RXO2- RO2+ RO2- RXOC+ RXOC- ROC+ ROC- RXO3+ RXO3- RO3+ RO3- RXO4+ RXO4- RO4+ RO4- RXE0+ RXE0- +3.3V_Normal RE0+ RE0- RXE1+ RXE1- RE1+ RE1- RXE2+ RXE2- RE2+ RE2- RXEC+ RXEC-...
  • Page 21 HDMI2(ARC) HDMI1/5V HDMI1-RX2P DATA2+ DATA2 SHIELD HDMI1/5V HDMI1-RX2N HDMI1-RX2P HDMI1_RX2P HDMI1_RX2P DATA2- HDMI1-RX1P HDMI1-RX2N HDMI1_RX2N HDMI1_RX2N DATA1+ HDMI1-RX1P HDMI1_RX1P RD101 HDMI1_RX1P DATA1 SHIELD HDMI1-RX1N HDMI1-RX1N HDMI1_RX1N RD105 DAT1A- HDMI1_RX1N HDMI1-RX0P DATA0+ R104 R102 DATA0 SHIELD HDMI1-RX0N HDMI1-RX0P HDMI1_RX0P HDMI1-HPD DATA0- HDMI1_RX0P HDMI1-CLKP HDMI1-RX0N...
  • Page 22 9108/3113(3110)/2113 MUTE Control SPEAKER CD10 RD4增加待机功率0.03W, +12VAMP 1uF/25V/X5R/0603 ROUT+ +12VAMP 10K改为47K可以减小 +12VAMP +12V_Normal ROUT- 9108/TPA3113D2 待机功率-20131115 靠近U30的供电针脚pin28。 LOUT- MUTE MUTE# AMP-INL PVCCL 10-4A-0603 LOUT+ LOUT+ LOUT+ LOUT+ AMP_AUL CD11 4.7K +5V_Standby FAULT PVCCL 100uF/25V FB11 NC/贴片磁珠/600Ω-2A-0805 CN601 C601 1uF/25V/X5R/0603 AMP1_L+ MUTE LINP BSPL...
  • Page 23 DVB_S2高频头 VCC_LNBA VCC_LNBA 3.3V_TUNER S2_TUNER VCC_LNBA C193 S2屏蔽罩 CT1 120pF 75 ohm line 0.1uF/16V/X7R T3.3V T3.3V C191 C190 C196 C197 39pF 0.1uF/16V/X7R RFIN RFIN RFIN 0.1uF/25V RFIN I2C Interface Filter 470PF 6.8nH 270nH C194 1uF/6.3V/X5R TUNER_GND Close R842 C195 1nF/50V/X7R UD16 CT4的选取:...
  • Page 24 PCMCIA J701 PCMCIA PCM_CD1_N PCM_D3 CD1# TS0_D3 PCM_D4 MDO3 TS0_D4 PCM_D5 MDO4 TS0_D5 PCM_D6 MDO5 TS0_D6 PCM_D7 MDO6 TS0_D7 PCM_CE_N MDO7 CE1# +5V_DVD +5V_PCMCIA PCM_A10 CE2# PCM_OE_N VS1# PCM_IORD_N PCM_A11 IORD# PCM_IOWR_N PCM_A9 IOWR# TS1_SYNC PCM_A8 TS1_SYNC MISTRT TS1_D0 PCM_A13 MDI0 TS1_D1 PCM_A14...
  • Page 25 VGA INPUT AV INPUT SIDE AV SIDE_AV J414 J413 CLOSE TO IC RD109 DDC_SCL_D UART_RX DDC_SDA_D CD65 UART_TX SIDE_AV SIDE_AV RD71 100R VGA_VSYNC NC/10PF/50V/NPO VGA-VSYNC RD72 100R VGA_HSYNC VGA-HSYNC J410 SIDE-AU-L SIDE-AU-L RD100 SIDE-AU-L VGA-B AV-LIN CD63 RD103 VGA-G 1nF/50V/X7R SIDE-AU-R SIDE-AU-R VGA-R...
  • Page 26: Wiring Connection Diagram

    Service Manual Model No.: - 25 -...
  • Page 27: Trouble Shooting

    Service Manual Model No.: 7. Trouble shooting 7-1. Simple check - 26 -...
  • Page 28: Mainboard Failure Check

    Service Manual Model No.: 7-2. Main board failure check No picture but have sound test if PU5 Pin8 3.3V Pin1 normally Check if there is +43V at Replace PU5 PCN4 Check if there is +12V at Pin35 in CN202 Check if PQ6 Replace PQ6 PD14 PR46 PD14...
  • Page 29 Service Manual Model No.: AV No sound but have picture Check if there is sound input signal Check the input source Check if there is signal at C220 and C221 Check if there is signal at C601 and C602 Change U202 Check if there is signal at FB11,FB12,FB13,FB14 Change UD3 Check LD3 voltage...
  • Page 30 Service Manual Model No.: No sound No picture NO LED indicate Check PD15(24V) Change Mainboard Change Mainboard Check PD3(12V) Check LD22(3.3V) Change UD8 Change U107 Check C138(1.2 V) Check CD86(1.5V) Change UD7 Check C113(3.3V) Change Q101 Change mainchip Change Mainboard U202 Still having problems Change...
  • Page 31 Service Manual Model No.: 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. Update the software and Still having make the reboot;...
  • Page 32 Service Manual Model No.: No color for some channel program (black and white) No color for some channel program (blac k and white) Verify if the same Check out of picture and sound problem exists in other system of this channel channels Change the channel to the right sound check out of picture...
  • Page 33 Service Manual Model No.: How to know whether the Power board is broken? Check if the power cord Reconnect the power cord with the connect well? outlet or Power board. EC805 whether have F800 or D803/D804/D805/D807 300V Power on and check Replace PD3 PD3 whether have 12V Still having...
  • Page 34 Trouble Shooting • Mainboard not work ™ Panel not work • 1. Check the “power board “ in ™ 1. Check the LED Back light “set up IC ” main board whether has 12V and output and input are working . 5V 5vsb output .
  • Page 35 Trouble Shooting ™ Power board not work ™ 1.Verify if the power cord connect well? ™ Verify the power cord+5V standby is working. ™ 3. Check if voltage of the POWER ON/OFF of the power board part is on the high level voltage ™...
  • Page 36: Panel Failure

    Service Manual Model No.: 7-3. Panel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking Dim or L/D :TCP Sunken V B/D Vertical bar :TCP lead cracking :ACF bonding short :Awful environment and something electric enter V Dim Vertal gray line into LCD...
  • Page 37 Service Manual Model No.: Part Name Description Phenomena Failure cause I n c o m i n g I n s p e c t i o n Standard Bright dot dark dot in Dot Defect pannel Bladder between Polarizer and top glass Polarizer Bubble Bladder in Polarizer...
  • Page 38 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause White Screen B/L normal, only white screen display M a y b e c a u s e d by surge current Black Screen B/L normal, and EDS only Black screen display FIIcker...
  • Page 39 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Mechanlcal When Caused Nolse turn panel,appear b y M e c h a n i c a cacophony noise of backlight unit Ripple Connectric circle Causeed by between mechanism and pannel B/L off...
  • Page 40 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Brightness B/L unit badness at bottom of LCM Light leakage brighter than normal B / L b r i g h t n e s s Sheet in B/L unit Mechanlcal or B/ asymmetric is uneven...

Table of Contents