Haier DLE32C8H Service Manual Download Page 53

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Service Manual

Model No.:

- 52 -

Failure Mode

Part

Name

Description

Phenomena

Failure cause

Mechanlcal or B/
L

Light leakage

Brightness
at bottom of LCM
brighter
than normal

B/L unit badness

Uniformity

B / L b r i g h t n e s s
asymmetric

Sheet in B/L unit
is uneven

Mount hole

Lack screw
or screw damage

*Lack screw
Screw damage

Summary of Contents for DLE32C8H

Page 1: ...ngs 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 WARNING DLE32C8H Model No ...

Page 2: ...sassemble and Assemble 4 1 Remove the Pedestal 6 8 8 8 8 10 12 12 4 2 Remove the Back Cover 12 4 3 Remove the Adhesive Tape 12 4 4 Remove the Main Board 13 4 5 Remove the Speaker 13 4 6 Remove the Remote Control Board 14 5 Installation Instructions 15 5 1 External Equipment Connections 15 5 2 HDMI Connections 19 6 Operation Instructions 22 6 1 Front Panel Controls 6 2 Back Panel Controls 6 3 Unive...

Page 3: ...le shooting 38 9 1 Simple Check 38 9 2 Main Board Failure Check 9 3 Panel Failure 39 48 8 1 How to enter into the factory model 8 2 How to update software 35 36 8 Measurements and Adjustments 32 8 3 How to enter into the Hotel Model 37 ...

Page 4: ...instructions in the literture accompanying the appliance 1 3 2 Be careful to the electrical shock 7R SUHYHQW GDPDJH ZKLFK PLJKW UHVXOW LQ HOHFWULF VKRFN RU UH GR QRW H SRVH WKLV 79 VHW to rain or excessive moisture This TV must not be exposed to dripping or splashing water DQG REMHFWV OOHG ZLWK OLTXLG VXFK DV YDVHV PXVW QRW EH SODFHG RQ WRS RI RU DERYH WKH 79 1 3 3 Electro static discharge ESD Som...

Page 5: ... UHFHLYHU RQO WKH WHVW WXUHV VSHFL HG LQ WKLV VHUYLFH PDQXDO CAUTION R QRW FRQQHFW WKH WHVW WXUH JURXQG VWUDS WR DQ KHDW VLQN LQ WKLV UHFeiver 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or compar...

Page 6: ... 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 components The following techniques should be used to help reduce the ncidence of component damage caused by static by static electricity 4 Use only an anti static type solder removal device So...

Page 7: ...ibed in the table below Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks 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 persona...

Page 8: ...isplay 16 7M No of Preset Channels Cable 1 135 OSD Language English Color System NTSC Audio System DK BG I M L L Audio Output Power Built in W 8W 2 Audio Output Power outer W No Total Power Input W 50W Voltage Range V Power Frequency Hz 50 60Hz Net Weight KG 7 44 Gross Weight KG 9 4 Net Dimension MM 745 454 50mm Packaged Dimension MM 745 497 200mm AC 100 240V Air 2 69 ATV DTV ...

Page 9: ... 08 Service Manual Model No 3 Location of Controls and Components 3 1 Board Location No Description A Board Integration Mainboard 3 2 Main Board A Board DH1R20M0500M ...

Page 10: ...slate into signal that panel can display RQQHFWRU GH QLWLRQ Main board connector Keypad andremote connector CN203 3LQ QXPEHU 6LJQDO QDPH HVFULSWLRQ B5 03 5 B 03 5 1 5 5 027 21752 1 1 9 32 5 25 5 027 1 7 8 9 10 NC STANDBY Speaker connector CN807 Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK ...

Page 11: ...3 3 LED Panel 10 Service Manual Model No MTC315BLU A01H T320XVN01 0 ...

Page 12: ...AUO Internal Use Only 11 GND Ground 12 CH1_0 LVDS Channel 1 Signal 0 13 CH1_0 LVDS Channel 1 Signal 0 14 GND Ground 15 CH1_1 LVDS Channel 1 Signal 1 16 CH1_1 LVDS Channel 1 Signal 1 17 GND Ground 18 CH1_2 LVDS Channel 1 Signal 2 19 CH1_2 LVDS Channel 1 Signal 2 20 GND Ground 21 CH1_CLK LVDS Channel 1 Clock 22 CH1_CLK LVDS Channel 1 Clock 23 GND Ground 24 CH1_3 LVDS Channel 1 Signal 3 25 CH1_3 LVDS...

Page 13: ...UHDU FRYHU faces upward 5HPRYH WKH WKUHH VFUHZ IURP WKH UHDU FRYHU LQGLFDWHG ZLWK ż 7KHQ UHPRYH WKH SHGHVWDO 4 2Remove the Back Cover 5HPRYH WKH WKHVH VFUHZ LQGLFDWHG RQ JXUH DERYH E ż 7KHQ UHPRYH WKH EDFN FRYHU IURP WKH unit Service Manual Model No 12 4 1 Remove the Pedestal 4 3 Remove the adhesive tape ...

Page 14: ...4 4 Remove the Main board 5HPRYH WKH 0DLQ ERDUG Service Manual Model No 13 CN203 CN800 LVFRQQHFWHG WKH FRXSOHU CN204 4 5 Remove the speaker Take out the speaker CN807 ...

Page 15: ...4 6 Remove the remote control take out the remote controlboard Service Manual Model No 14 ...

Page 16: ...l cable not included to the ANT IN jack on the back of your TV DVD combo then connect the other end of the cable into the antenna or cable TV wall outlet To improve picture quality from an antenna in a poor signal area install a signal DPSOL HU If you need to split the antenna signal to connect two TVs install a two way splitter Service Manual Model No 15 ...

Page 17: ...ale Input impendance 75 unbalanced STEPS PC Be sure both the TV and computer are powered off 1 Connect a VGA and audio cable 2 Connect the power cord 3 Turn on the TV switch to PC mode 4 Turn on the PC HDMI1 HDMI2 USB VGA PC AUDIO HEADPHONE COAXIAL RF 16 ...

Page 18: ...7 8 9 10 720 400 640 480 640 480 800 600 800 600 1024 768 1024 768 1024 768 1280 1024 1280 1024 70 60 75 60 75 60 70 75 60 75 31 47 31 47 37 50 37 88 46 88 48 36 56 48 60 02 63 98 80 00 RESOLUTION V Freq Hz H Freq KHz 11 1366 768 60 67 50 17 ...

Page 19: ...to refer to the owner s manual of the device that you are trying to connect HDMI The television s inputs can be connected to the following types of equipment VCR multi disc player DVD camcorder video game or stereo system etc YPbPr can support these video formats 480i 576i 480p 576p 720p 1080i Yellow video White audio L Red audio R or Pr Y W R W R G B R Blue Pb Green Y B G VIDEO EQUIPMENT with YPb...

Page 20: ... menu When the source device DVD player or Set Top Box supports DVI How To Connect 1 Connect the source device to HDMI port of this TV with a HDMI to DVI cable not supplied with this product 2 A separated audio connection is necessary 3 If the source device has an analog audio output connector connect the source device audio output to DVI Audio In port located on the PC port How To Use If the sour...

Page 21: ...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 Service Manual Model No 20 ...

Page 22: ... Use the attached power cord only Ŷ I WKH SRODUL HG FRUG GRHV QRW W LQWR D QRQ SRODUL HG RXWOHW GR QRW DWWHPSW WR OH RU FXW WKH EODGH W LV WKH XVHUCV UHVSRQVLELOLW WR KDYH DQ electrician replace the obsolete outlet Ŷ I RX FDXVH D VWDWLF GLVFKDUJH ZKHQ WRXFKLQJ WKH XQLW DQG WKH XQLW IDLOV WR IXQFWLRQ simply unplug the unit from the AC outlet and plug it back in The unit should return to normal oper...

Page 23: ...again to turn the set back to STANDBY Side panel REAR Connections SIDE Connections All the terminals are from left to right HDMI1 HDMI2 USB VGA PC AUDIO HEADPHONE COAXIAL RF Note 1 When HDMI has an input signal coming from a DVI source then the audio input signal must be connected to the PC audio input 30 30 1 3 2 1 2 3 4 5 HDMI1 HDMI2 USB VGA PC AUDIO HEADPHONE COAXIAL RF All the terminals are fr...

Page 24: ... eject the disc 17 Press to display the DTV Electronic Program Guide In DVD mode press to go to the previous chapter 18 Press to display the favorite channels list In DVD mode press to go to the next chapter 19 Press to go directly to the HDMI input source 20 Press to go directly to the AV input source 21 Press to display the DTV signal strength 22 Press to go directly to the TV input source 23 Pr...

Page 25: ...N DISTRICT SHENZHEN Custom 2 12 Thursday March 22 2012 1 8VA VGA AUDIO IR LINEIN_L5 R5 OR EUA2113 U705 2 5VA 3 3V_TUNER AL0O AR0O L R 1 8VA DC DC 3 3VA MSD3391DS QFP256 DSP PWM IC AC100V 240V SPIDF OUTPUT COAXIAL TRANSFORMER TDA18273 ONBOARD T102 Q807 RF IN FRONT PANEL SY8008B 12V SPI FLASH 512Mbit SY8008B EFD25 1 32V DC DC VGA RGB USB PORT HDMI 2 IR KEY0 KEY1 IF ATSC TUNER 3 3V_TUNER BLOCK DIAGRA...

Page 26: ... 0 1uF EC102 220uF 16V EC102 220uF 16V FB101 10uH 1 5A WSA43 100M R FB101 10uH 1 5A WSA43 100M R SY8008B SOT 23 U105 SY8008B SOT 23 SY8008B SOT 23 U105 SY8008B SOT 23 GND 2 LX 3 VIN 4 OUT FB 5 EN 1 EC111 470uF 16V EC111 470uF 16V R121 100R R121 100R FB103 10uH 1 5A WSA43 100M R FB103 10uH 1 5A WSA43 100M R C116 33P C116 33P R129 820R R129 820R C112 0 1uF C112 0 1uF EC104 220uF 16V EC104 220uF 16V ...

Page 27: ...2 4 7K C261 10uF C261 10uF CN203 LED IR CN203 LED IR 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 R204 33R R204 33R C218 0 1uF C218 0 1uF C242 47nF C242 47nF C238 0 1uF C238 0 1uF C254 2 2uF C254 2 2uF R149 4 7K R149 4 7K R214 33R R214 33R R208 68R R208 68R R230 10K R230 10K C283 10P C283 10P R228 1M R228 1M C202 1uF C202 1uF R275 NC 0R R275 NC 0R R273 NC 33 R273 NC 33 C268 0 1uF C268 0 1uF C270 10uF...

Page 28: ...23 0 1uF C323 0 1uF C327 0 1uF C327 0 1uF R304 75R R304 75R A B C D E F G H J K L M N P R 1 2 3 7 8 9 Vdd NC Vss DQ14 VssQ UDM VddQ DQ9 VddQ DQ12 VssQ DQ11 Vdd NC Vss DQ6 VssQ LDM VddQ DQ1 VddQ DQ4 VssQ DQ3 VddL Vref Vss CKE WE RFU BA0 BA1 A10 A1 Vss A3 A5 A7 A9 Vdd A12 RFU VssQ UDQS VddQ UDQS VssQ DQ15 VddQ DQ8 VddQ DQ10 VssQ DQ13 VssQ LDQS VddQ LDQS VssQ DQ7 VddQ DQ0 VddQ DQ2 VssQ DQ5 VssDL CK V...

Page 29: ...V 1 2 R435 1K R435 1K R948 1K R948 1K R718 330R R718 330R L401 0R FB_11_OHM_500MA NC L401 0R FB_11_OHM_500MA NC R409 100R R409 100R R507 5 1R R507 5 1R R422 22K R422 22K C708 1μF 1000P C708 1μF 1000P R502 5 1R R502 5 1R R406 75R R406 75R C819 10P C819 10P R787 NC 10K R787 NC 10K C730 1uF C730 1uF R431 75R R431 75R L707 NC 33uH 2A L707 NC 33uH 2A R516 5 1R R516 5 1R R521 5 1R R521 5 1R C405 33pF C4...

Page 30: ...721 47nF 25V 10 C721 47nF 25V 10 C723 47nF 25V 10 C723 47nF 25V 10 U701 TDA18273 U701 TDA18273 GNDSYNT 18 VTUN 19 CP 20 XTOUT1 21 XTOUT2 22 CAPREGVCO 17 IFP 25 GNDIF 26 V_IF_AGC 28 VCCIF 27 IRQ 30 V_Sync 29 GNDDIG3 23 IFn 24 VHFSupply 31 VHFL 32 VCCRF 1 RFin 2 NC 3 NC 4 GNDDIG0 5 AS_XTSel 6 GNDDIG1 7 Test1 8 Test2 9 GNDDIG2 10 SCL 11 Test1 13 Xtal 14 SDA 12 Xtalnot 15 VCCSYN 16 40 CapRFAGC RFAGC_S...

Page 31: ...7uF 400V C1022 680PF C1022 680PF CN2 HEADER 2 CN2 HEADER 2 3 3 4 4 1 1 2 2 R844 200K R844 200K R884 1M R884 1M C1071 0 1uF C1071 0 1uF D804 2A06 D804 2A06 R891 1K R891 1K NP2 NP1 NB1 NB2 NP2 T103 EFD25 NP2 NP1 NB1 NB2 NP2 T103 EFD25 12V 8 GND 10 12V 7 GND 9 11 5V 3 3 2 2 1 1 6 6 5 5 5V 12 4 4 R876 470K R876 470K R829 NC R829 NC R888 1M R888 1M R2297 10K R2297 10K R27 100K R27 100K R865 68K 2W R865...

Page 32: ...Connection wire Blacklight Service Manual Model No 7 3 Wiring Connection Diagram NO Name 1 2 3 4 5 Connection Wire For Keyboard and Remote Connection Wire For Speaker LVDS Wire 2 3 4 1 31 ...

Page 33: ... you select some other options the power consumption may change 2 AUDIO menu In this menu you can ajust the sound options here Press to select press OK to adjust In this menu you can adjust the sleep timer time zone etc Press to select press OK to adjust Note 1 Time zone DST Daylight Saving Time and the clock are available in ATSC mode only and the Clock can t be adjusted 4 OPTION menu In this men...

Page 34: ...ts strongly cautioned Some material may be Inappropriate for children under 13 R NC 17 X Restrict Under 17 requires accompanying parent or adult guardian age varies in some jurisdictions No one 17 and under admitted X is an older rating that is unified with NC 17 but may be encoded in the data of older movies 1 Canada English Switching the English rating control level EXEMPT C C8 G PG 14 18 5 LOCK...

Page 35: ...8ANS 13 ANS 16ANS 18ANS Rating Description Age E Exempt programming G General All ages and children contains minimal direct violence but may be integrated into the plot in a humorous or unrealistic manner 8ans General but inadvisable for young children May be viewed by a wide public audience but could contain scenes disturbing to children under 8 who cannot distinguish between imaginary and real s...

Page 36: ...nce of each signal source 4 SSC to adjust the spectrum for passing the EMC test 5 special set 1 2hour off for Aging test 2 WDT watch dog 3 white pattern set pure color output for the panel used at the checking and aging test for panel 4 reset 5 set the recorder 6 set power on screen display 6 QMAP adjust adjust color quality 7 PEQ set sound EQ 8 sw information to check the sofeware information 9 U...

Page 37: ...ow you should choose Yes TV begin to update You should reset TV after update Note When Upgrade on the process please don t Power Off Haier MSD3391 F W upgrade with USB SOP Step 1 Ready for F W Upgrade 1 1 Prepare a USB memory it from computer s USB port Step 2 F W Upgrade 2 1 AC ON 8 2 How to update software ...

Page 38: ...hannel 6 Start Menu Display 7 Input Source Change 8 Save to USB 9 Loaking 10 Volume Default Hotel mode switch Panel key lock Hotel mode can adjust the maximum volume Hotel mode locking TV signal source Hotel mode locking program channels Hotel Mode menu is displayed Hotel mode is to display the Source U disk data will be cloned into the machine TV related equipment will be copied to the system U d...

Page 39: ...Service Manual Model No 9 Trouble shooting 9 1 Simple check 38 ...

Page 40: ... Q101 Yes Yes No Check if U3 and U4 Pin20 3 3V ǃPin11 5V ǃ Pin19 5V U5 Pin2 0 72V ǃPin3 5V ǃPin4 12V ǃ Pin6 5 7V is normal Change LVDS wire No Replace U3 or U5 U4 Check if Q103 ǃ ǃ D10ǃ D9 ǃ is working Yes Replace Q103ǃ ǃD10ǃ D9 No Service Manual Model No 9 2 Main board failure check 39 Check if there is at C931 30V ...

Page 41: ...ound input signal No Check the input source Yes No Change L707 L708 Check if there is 12V at Pin15 and Pin28 of U705 Check if there is signal at L203 and L205 No check the signal input circuit of L203 L205 Yes Check if there is input at Pin3ǃPin12 of U705 Yes Change FB1 No Check the speakers Service Manual Model No 40 C739 Check the signal input circuit of C736 C739 and EC807 EC812 L709 L710 ...

Page 42: ...e voltage pressure of J7 Pin2 is high voltage pressure More than 3V Yes Change U1 No sound No picture Change Mainboard No Yes Check if there is voltage pressure in the pad of the L806 12V ˈ CHANGE Q810 No 41 L2 5V ...

Page 43: ... power cord to the socket Check if there is voltage pressure in J3 12V ଞ J5 5Vstb Replace Remote Control Board Yes Replace D806 or U2 Still having problems Change Mainboard Check if L101ஂ1 32Vஃଞ L102ஂ1 8VஃଞL103ஂ 3 3VஃଞD101ஂ2 5Vஃis working No Chang U1 Yes Chang U101 OR U102 OR U105 OR D101 No 42 ...

Page 44: ...is correct Poor sound Change sound system No Update the software and make the reboot or change the Mainboard Still having problems For ease of use recommend that customer format the picture and sound settings in the automatic option 43 ...

Page 45: ...system Refer to relative instructions in the Manual for color adjust No No Yes Yes Check out of picture and sound system of this channel Change the channel to the right sound system PAL M N PAL D K No color for some channel program black and white Still having problems Updata the software and make the reboot or change the maiboard 44 ...

Page 46: ...Pin2 in J7 Check J3 voltage of 12 and J8 of 5 No No Yes Yes Replace U1 Replace U1 How to know whether the Power board is broken Still having problems Check if Main board LVDS wire Panel are in good condition No Reconnect the power cord with the outlet or Power board Yes No Check if the break in the power circuit Replace Q806 or Q809 No 45 ...

Page 47: ... U17 has the right software and work well 5 Verify if the Y1 Crystal has the right frequency Panel not work 1 check if the voltage input and output of boost IC is working normally 2 Verify if the Mainboard output the right On Off signal to power board 3 Verify if the Mainboard output the LVDS singal to panel T con board 4 Verify if the software is the right version of this model 5 Change the LVDS ...

Page 48: ...check if the power supply if working normally check if the power supply of 5Vstandby is working normally 3 check if the POWER ON OFF voltage is high pressure 4 check if the power supply have 12V 5V output Check if Main board LVDS wire Panel are in good condition 47 ...

Page 49: ...or cracking Dim or L D TCP Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure V Dim Vertal gray line V L D Vertical color line light or dark forever H B D Horizontal bar H Dim Horizontal gary line H L D H o r i z o n t a l line light or dark forever ...

Page 50: ...er Bubble Bladder in Polarizer Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F M i n s i d e Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Abnormal Display 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Flashing B r i g h t a n d d a r k display alternately 49 ...

Page 51: ...display Maybe caused by surge current and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk 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 I C s h o r t o r jointion bad 3 Pannel and vsc connect bad ...

Page 52: ...ss between wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime Short bitween lamp housing and wire Because consume power too much F M F M inB L white balck Rotundi...

Page 53: ...ription Phenomena Failure cause Mechanlcal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage ...

Page 54: ...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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