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SERVICE MANUAL

LED TV

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.

©2014 Qingdao Haier Electronics Co., Ltd.

All rights reserved. Unauthorized copying and distribution is a violation of law.

55DR3505

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Summary of Contents for 55dr3505

Page 1: ...ndividuals 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 2014 Qingdao Haier Electronics Co Ltd All rights reserved Unauthorized cop...

Page 2: ...s manual 6 1 4 How to Read this Service Manual 6 Using icons 6 Chapter 2 Speciﬁcation 2 1 Speciﬁcation list 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 3 1 55D3505 11 3 1 1 Remove the Stand 11 3 1 2 Remove the Back Cabinet 11 3 1 3 Remove the Mainboard 11 3 1 4 Remove the Power Supply Module 11 3 1 5 Remove the Speaker 11 3 1 6 Remove the Remote Control Board 12 3 1 7 R...

Page 3: ...al Parts 7 1 Block Diagram 23 7 2 Circuit Diagram 30 Chapter 8 Measurements and Adjustments 8 1 Service Mode 31 8 1 1 How to enter into Service Mode 31 8 1 2 How to exit 31 8 2 Measurements and Adjustments 31 8 2 1 The Main Menu 31 8 2 2 General Setting 32 8 2 3 Picture 32 8 2 4 Sound 33 8 2 5 Debug 33 8 3 Software Update 34 8 3 1 software update 34 Chapter 9 Trouble shooting 9 1 Simple check 35 9...

Page 4: ...ist up the potential hazard or risk for the service personnel to open the units and disassemble the units For example we need to describe properly how to avoid the possibility to get electrical shock from the live power supply or charged electrical parts even the power is off This symbol indicates that high voltage is present inside It is dangerous to make any king of contact with any inside part ...

Page 5: ... removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 1 3 4 About lead free solder PbF This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder mu...

Page 6: ...rength CAUTION This is a ﬂammable mixture Unless speciﬁed otherwise in this service manual lubrication of contacts is not required Capacitors may result in an explosion hazard 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid s...

Page 7: ...ze bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted ﬂoor can generate static electricity sufﬁcient to damage an ES device 1 3 7 Ordering Spare Parts Please include the following informations when you order parts Particularly the Version letter 1 Model number seri...

Page 8: ...y 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 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 7 55DR3505 ...

Page 9: ...SC Audio System MN Audio Output Power Built in W 10W 2 Audio Output Power outer W No Total Power Input W 150W Voltage Range V AC100V 240V Power Frequency Hz 50 60Hz Time of Sleep Timer MINS 240Min Net Weight KG 39 6 lbs Gross Weight KG 40 7 lbs Dimensions with Stand 48 8 x 29 5 x 9 7 Dimensions without Stand 48 8 x 28 3 x 3 0 Service Manual Model No Chapter 2 Speciﬁcation 2 1 Speciﬁcation list 8 5...

Page 10: ...Service Manual Model No 2 2 External pictures four faces Front Side Up Side 9 55DR3505 ...

Page 11: ...Service Manual Model No Right Side Back Side 10 55DR3505 ...

Page 12: ...om the stand which in the picture above 3 Remove the stand 3 1 4 Remove the Power Supply Module 3 1 2 Remove the Back Cabinet 1 Remove the five screws indicated withred circles in below picture 2 Remove the Power Supply Module 3 1 5 Remove the Speaker Remove the Speaker indicated by red circle in below picture 1 Remove the screws indicated with red circles 2 Flip machine panel side up 3 Carefully ...

Page 13: ...Service Manual Model No 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 12 55DR3505 ...

Page 14: ...o Chapter 4 Location of Controls and Components 4 1 Board Location 13 C Panel B Board A Board No Model Description A Board HKL 550201L Power Supply Module B Board T MS3393 72B Mainboard C Panel ST5461B03 2 LCD Panel 55DR3505 ...

Page 15: ...al that panel can display 4 2 2 Connector deﬁnition 14 IR Key Interface CN6 Pin number Signal name 1 5V 2 RED 3 GRE 4 IR 5 GND 6 K0 7 K1 8 K2 9 K3 10 K4 11 K5 12 K6 13 K7 14 GND Inverter connector CN2 Pin number Signal name 1 12V 2 12V 3 BLO 4 ADJ 5 GND 6 GND Speaker connector CN18 Pin number Signal name 1 ROUT 2 ROUT 3 LOUT 4 LOUT 55DR3505 ...

Page 16: ...GND 3 VCC 4 VCC Mainboard power supply connector CN5 Pin number Signal name 1 12V 2 12V 3 GND 4 GND 5 5V 6 5V 7 GND 8 GND 9 STB 10 5VSB Service Manual Model No 4 3 Power Supply Module 4 3 1 Function Description To supply power for Mainboard Panel 4 3 2 Connector deﬁnition CN10 CN9 CN4 CN5 CN1 CN6 CN1 is the Power cord connector 15 55DR3505 ...

Page 17: ...Service Manual Model No 4 4 LCD Panel Backlight Unit LVDS CONNECTOR CN1 Connector Deﬁnition 16 55DR3505 55DR3505 ...

Page 18: ...Service Manual Model No 17 55DR3505 ...

Page 19: ...Service Manual Model No Chapter 5 Installation Instructions 5 1 Accessories Remote Control 18 Batteries 55DR3505 ...

Page 20: ...ct HDMI mode Refer to the HDMI device user guide for how to operate C Connect a D type 15 pin VGA interface cable to the VGA video interface connector on the PC Connect the other end of the cable to the PC interface connector on the TV Tighten the screws on the D E VGA connectors and connect the audio cable not supplied to the audio input socket on the back of the TV Turn on the TV ﬁrstly and then...

Page 21: ...V channel up 4 VOL Press to decrease the volume 5 VOL Press to increase the volume 6 MENU Press to select the main menu 7 INPUT Toggles between all the vailable input sources Service Manual Model No Chapter 6 Operation Instructions 6 1 Front Panel Controls 20 55DR3505 ...

Page 22: ...al Model No 6 2 Back Panel Controls 21 1 Earphone output 2 Coax output 3 Line output 4 USB input 5 HDMI1 input 6 HDMI2 MHL input 7 HDMI3 input 8 VGA input 9 PC Audio input 10 ANT input 11 YPbPr input 12 Video in input 13 Audio in input 55DR3505 ...

Page 23: ...3 1 14 1 15 1 16 1 17 1 18 1 19 2 20 2 21 2 22 2 23 2 24 2 25 2 26 POWER INPUT USB Shortcut button CC HOME Program Number Channel selection RECALL button VOL VOL Volume selection CH CH Channel selection Mute Menu button Back button Exit button DISPLAY button SAP button Sleep button Wide button Audio button Picture Mode OK button Channel List Favorite program Play Pause button only for USB EPG butt...

Page 24: ...Y5V 80 20 16V 5V_STB VI 3 VO 2 ADJ 1 VO 4 UL1 LC1117CLTR33 CL3 10uF 0603 X5R 20 6 3V VI 3 VO 2 ADJ 1 VO 4 UL2 LC1117CLTRAD 1V8_DDR RL1 330ohm 0402 1 1 16W RL2 150ohm 0402 1 1 16W CL6 0 1uF 0402 Y5V 80 20 16V CL4 10uF 0603 X5R 20 6 3V CL5 0 1uF 0402 Y5V 80 20 16V 5V_M CL7 10uF 0603 X5R 20 6 3V CD1 10uF 0603 X5R 20 6 3V CD4 10uF 0603 X5R 20 6 3V RM2 NC 3K3ohm 0402 5 1 16W 5V_STB RB2 NC 0ohm 0402 5 1...

Page 25: ...I3_DET AMP MUTE ARC_DET AU_VRM IF_AGC VIFP VIFM AU_VAG 3_3V_AU 1 15V_STB GIN1M HD1_SOG HD1_Pr HD1_Y HD1_Pb VGA_RIN VGA_GIN VGA_BIN GIN0M VGA_HS VGA_VS AV_LIN AV_RIN AV_IN VCOM HDMI ARC HOTPLUG3 HDMI2_SCL HDMI2_SDA HDMI2_RXC_N HDMI2_RXC_P HDMI2_RX0_N HDMI2_RX0_P HDMI2_RX1_N HDMI2_RX1_P HDMI2_RX2_N HDMI2_RX2_P HOTPLUG1 HDMI1_SCL HDMI1_SDA HDMI1_RXC_N HDMI1_RXC_P HDMI1_RX0_N HDMI1_RX0_P HDMI1_RX1_N H...

Page 26: ...1 1 16W CK2 0 01uF 0402 X7R 10 50V CK1 0 1uF 0402 Y5V 80 20 16V 3V3_STB LED_R LED_G RK8 10Kohm 0402 1 1 16W KEY RK11 1Kohm 0402 5 1 16W RK2 1Kohm 0402 5 1 16W LED_RED RK1 22ohm 0402 5 1 16W GND 0 67V 1 05V 1 36V 1 79V 2 24V 2 67V 0 32V CK3 0 1uF 0402 Y5V 80 20 16V LED_R CON2 RF5 NC 1Kohm 0402 5 1 16W GND VCC_Panel GND GND VCC_Panel VCC_Panel GND GND GND GND CON1 GND GND RXE3_P RXE2_N RXE1_P RXE1_N...

Page 27: ... 0402 Y5V 80 20 16V CH17 NC 0 1uF 0402 Y5V 80 20 16V CH13 NC 0 1uF 0402 Y5V 80 20 16V CH12 NC 0 1uF 0402 Y5V 80 20 16V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 HPD HDMI 5V GND SDA SCL ARC CEC RXC GND RXC RX0 GND RX0 RX1 GND RX1 GND RX2 RX2 21 22 23 GND GND GND GND AV3 161031041 SPCC CH2 NC 22pF 0402 NPO 5 50V CH4 NC 22pF 0402 NPO 5 50V CH5 NC 22pF 0402 NPO 5 50V CH7 NC 22pF 0402 NPO 5 50...

Page 28: ...402 5 1 16W CI7 0 047uF 0402 X7R 10 16V IR Transmitter Nin 1 Vcc 2 GND 3 NC1 4 NC2 5 AV26 NC GQ 08 GND SPDIF_OUT COAX 5V_M RF2 NC 0ohm 0402 5 1 16W C9 1000pF 0402 X7R 10 50V C10 1000pF 0402 X7R 10 50V GND LINE_R LINE_L LINE_L_OUT LINE_R_OUT R9 200Kohm 0402 5 1 16W R10 200Kohm 0402 5 1 16W R7 10Kohm 0402 5 1 16W R8 10Kohm 0402 5 1 16W RI1 75ohm 0402 5 1 16W GND GND AV_R_OUT AV_L_OUT GND 5V_M USB0_D...

Page 29: ...V 80 20 16V GND GND CT4 0 01uF 0402 X7R 10 16V GND 1 8VRF GND CT8 1000pF 0402 X7R 10 50V LT3 33nH 0402 5 1 4 LT6 33nH 0402 5 1 4 CT9 1000pF 0402 X7R 10 50V LT2 HQ1005C8N2JT RT3 100ohm 0402 5 1 16W CT14 NC 0 1uF 0402 Y5V 80 20 16V GND CT11 0 1uF 0402 Y5V 80 20 16V GND 3 3VRF RT1 750Kohm 0402 5 1 16W GND GND RT4 6K8ohm 0402 5 1 16W GND CT2 1800pF 0402 X7R 10 50V CT1 1uF 0402 X5R 20 6 3V C78 1uF 0402...

Page 30: ... LO AMP RO CA9 1uF 0603 X5R 10 25V CA11 1uF 0603 X5R 10 25V CA14 1uF 0603 X5R 10 25V CA19 1uF 0603 X5R 10 25V CA6 0 1uF 0402 Y5V 80 20 16V CA8 0 1uF 0402 Y5V 80 20 16V CA20 0 1uF 0402 Y5V 80 20 16V CA21 0 1uF 0402 Y5V 80 20 16V CA4 NC 1000pF 0402 X7R 10 50V CA5 NC 1000pF 0402 X7R 10 50V CA10 NC 1000pF 0402 X7R 10 50V CA17 NC 1000pF 0402 X7R 10 50V RA1 10ohm 0603 5 1 10W CA28 0 1uF 0603 Y5V 80 20 5...

Page 31: ...Service Manual Model No 7 2 Wiring Connection Diagram 30 55DR3505 ...

Page 32: ...end of the main factory menu you can see the edition of the software like this BUILD TIME 2014 09 16 20 45 19 VERSION v1 0 8 1 2 How to exit If you want to exit this factory menu please press the button Exit on the remote system will be out the factory mode menu 8 2 Measurements and Adjustments 8 2 1 The Main Menu In factory mode menu press up down button to choose the up down item press right or ...

Page 33: ...oose on or off in Dynamic Contrast 6 Power On Mode Choose on or off in Power On Mode 7 Mirror Control Choose on or off in Mirror Control 8 Front End Status 9 Timer Test 10 SSC 11 Erase Flash 12 PQ Advance Debug Choose on or off in PQ Advance Debug 13 Factory remote Open or close the Factory remote 14 Factory CH Export 8 2 3 PICTURE Adjust the Picture Mode Picture Curve White Balance and OverScan i...

Page 34: ...etting 1 LVDS Bit Mode choose the Bit 2 LVDS MAP choose the MAP 3 LVDS ODD Even choose ODD or Even 4 Bcaklight Adiust the value of backlight 5 Reset Panel Setting Date 6 6MX0 LVDS Map choose the 6MX0 LVDS MAP 7 6MX0 Channel choose the 6MX0 Channel 8 6MX0 Mirror choose the 6MX0 Mirror 9 6MX0 Demo choose the 6MX0 Demo 10 6MX0 Update 33 55DR3505 ...

Page 35: ... 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 4 Turn off the AC power until the indicator light fast twinkling 5 Pull out the USB disk and power on the television Note Do not turn off the TV while it is updating 34 55DR3505 ...

Page 36: ...by Fine Tune and MANUAL Scan No color for some channel program black and white Verify that the same problem exists on other channels Check the picture and sound systems Refer to the relevant instructions in the manual to adjust the colour Spots with some or all pictures Verify if the antennal is correctly connected Verify if the antennal is in good condition Make ﬁne adjustment of channel Televisi...

Page 37: ...Service Manual Model No 9 2 Mainboard IC Introduction Top view 36 1 2 3 4 5 6 7 8 55DR3505 ...

Page 38: ...Service Manual Model No Bottom view 37 55DR3505 ...

Page 39: ... 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 UT1 8 Tuner SDCL1005CR33JTDF RFT1 Please check the Schematic Diagram for the particular support 38 55DR3505 ...

Page 40: ...the Power Board Yes Check the CN2 BLO Backlight on off Yes No There s something wrong with FRC Verify if the DC DC convertor can output the right Voltage No Change the corresponding DC DC QB3 output 5V Yes No Verify if QM1 output Change the QM1 Yes Still having problems Change Panel Change LVDS wire 39 55DR3505 ...

Page 41: ...ify if the main board has the right input according to the source TV COMPONENT AV VGA HDMI etc Yes Verify if UA1 has the right output Yes Check CN17 input is right No No Check the corresponding audio input circuit you connect Verify if UA1 has the right power in No Change UA1 Still having problems Change Mainboard 40 55DR3505 ...

Page 42: ...he Power supply Verify if CN4 Pin3 4 has 5V input Yes Verify if CN2 Pin1 has 12V input Yes Verify if DC DC convertors have the right output Yes No No No Change Power board Change Power board Change corresponding DC DC convertor Still having Change Change the software 41 Problems Mainboard 55DR3505 ...

Page 43: ...fy if sound system is correct No Change sound system For ease of use recommend that customer format the picture and sound settings in the automatic option Still having problems Updata the software and make the reboot or change the maiboard 42 55DR3505 ...

Page 44: ...em exists in other channels Yes check out of picture and sound system No No Check out of picture and sound system of this channel Change the channel to the right sound system PAL BG SECAM L Yes Refer to relative instructions in the Manual for color adjust Updata the software and Still having problems 43 make the reboot or change the maiboard 55DR3505 ...

Page 45: ...en Check if the power cord co nnect well Yes Check if the Power board output 5V and 12V No No Reconnect the power cord with the outlet or Power board Replace the Power board pls Still having problems Check if Main board LVDS wire Panel are in good condition 44 55DR3505 ...

Page 46: ...CD Mis align between TCP and Panel Panel failure TCP failure Name Description Phenomena Failure cause V B D Vertical bar V Dim Vertal gray line V L D Vertical color line light or dark forever TCP H B D Horizontal bar H Dim Horizontal gary line H L D Horizontal line light or dark forever Service Manual Model No 9 4 Pannel Failure Failure Mode 45 55DR3505 ...

Page 47: ...tch Tine or rigidity arose Eyewinker inside Polarizer Eyewinker inside Polarizer Abnormal Display Bright and dark display alternately 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Part Name Dot Defect Polarizer Bubble Panel or Polarlzer Polarizer Scratch F inside Polarizer Abnormal Display Circuit Flashing Service Manual Model No 46 55DR3505 ...

Page 48: ...DS Black Screen B L normal only Black screen display Circuit Crosstalk FIIcker LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 IC short or jointion bad 3 Pannel and vsc connect bad Service Manual Model No 47 55DR3505 ...

Page 49: ...wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged Without backlight B L wire damaged B L wire open Operation abnormal or systemic noise Operation abnormal or systemic noise Short bitween lamp housing and wire Because consume power too much B L shut down B L shutdown in sometime F M F M inB L white balck Rotundity or wirel...

Page 50: ...leakage B L unit badness Brightness at bottom of LCM brighter than normal Mechanlcal or B L B L brightness asymmetric Uniformity Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage Service Manual Model No 49 55DR3505 ...

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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