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SERVICE MANUAL

LCD TV

Model No. L22C360

Chassis

MST 6M48

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.

Haier Group

©2009 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 L22C360

Page 1: ...uals 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 Haier Group 2009 Qingdao Haier Electronics Co Ltd All rights reserved Unauthoriz...

Page 2: ...ble 4 1 Remove the Pedestal 7 8 8 8 8 11 12 15 15 4 2 Remove the Back Cover 15 4 3 Remove the Adhesive Tape 15 4 4 Remove the Terminal Bracket 16 4 5 Remove the Power Module 16 4 6 Remove the Main Board 16 4 7 Remove the Speaker 17 4 8 Remove the Remote Control Board 17 5 Installation Instructions 18 5 1 External Equipment Connections 18 5 2 HDMI Connections 21 6 Operation Instructions 24 6 1 Fron...

Page 3: ...Service Manual Model No 02 9 Trouble shooting 37 9 1 Simple Check 37 9 2 Main Board Failure Check 9 3 Panel Failure 38 50 ...

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: ...View 176o Color Display 16 7M No of Preset Channels 99 OSD Language English Color System PAL Audio System DK BG I Audio Output Power Built in W 3W 2 Audio Output Power outer W No Total Power Input W 60W Voltage Range V AC100V 240V Power Frequency Hz 50 60Hz Net Weight KG 4 95 Gross Weight KG 6 2 Net Dimension MM 530 97 352 Packaged Dimension MM 586 200 453 ...

Page 9: ...vice Manual Model No 3 Location of Controls and Components 3 1 Board Location No Part Number Description 3 2 Main Board AV Board A Board B Board A Board DC1KK0M0101M Main Board B Board 514C2411M14 Power Board ...

Page 10: ... The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path CN101 Pin5 System power on standby System board will use this pin to control system power CN101 Pin 2 Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Panel s backlight through this connector Pin number Signal name 3 4 5 POWER ON OFF 6 5V...

Page 11: ... LED_G LAMP GREEN 3 4 IR REMOTE CONTROL 5 GND GND 6 5V POWER FOR REMOTE Pin number Signal name Description 1 KEY1 2 KEY0 3 GND remote connector CN201 Keypad and connector CN202 Speaker connector CN701 Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK ...

Page 12: ...3 3 Power Board 3 3 1 Function Description Supply power for Main board Panel Service Manual Model No 11 CON5 3 4 5 6 7 8 9 10 11 12 1 2 POWER ON OFF 5VSTB 5V GND GND 12V 12V BL ON GND 5V GND DIM ...

Page 13: ...3 4 LCD Panel 12 Service Manual Model No MTC216TVM C14H CMO V216B1 P13 ...

Page 14: ...GND Ground 14 RXCLK Negative of clock 15 RXCLK Positive of clock 16 GND Ground 17 RX3 Negative transmission data of pixel 3 18 RX3 Positive transmission data of pixel 3 19 GND Ground 20 NC No Connection 2 21 SELLVDS Select LVDS data format 3 22 NC No Connection 2 23 GND Ground 24 GND Ground 25 GND Ground 26 VCC Power supply 5V 27 VCC Power supply 5V 28 VCC Power supply 5V 29 VCC Power supply 5V 30...

Page 15: ...faces upward 5HPRYH WKH IRXU VFUHZ IURP WKH UHDU FRYHU LQGLFDWHG ZLWK ż 7KHQ UHPRYH WKH SHGHVWDO 4 2Remove the Back Cover JXUH DERYH E ż 7KHQ UHPRYH WKH EDFN FRYHU IURP WKH unit Service Manual Model No 15 Remove the eight screw indicated on 4 1 Remove the Pedestal ...

Page 16: ...WR WKH VLGH 4 5 Remove the power module 5HPRYH WKH IRXU VFUHZ LQGLFDWHG RQ WKH JXUH DERYH E ż 7KHQ UHPRYH WKH SRZHU PRGXOH 4 6 Remove the Main board 5HPRYH WKH WZR VFUHZ LQGLFDWHG RQ WKH JXUH DERYH E ż LVFRQQHFWHG WKH FRXSOHU 5HPRYH WKH 0DLQ ERDUG Service Manual Model No 16 CN201 CN202 CN205 CN101 CN701 CN403 CN102 ...

Page 17: ...4 7 Remove the speaker Take out the speaker 4 8 Remove the remote control Remove the screw take out the remote control board Service Manual Model No 17 ...

Page 18: ...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 18 ...

Page 19: ...Pr Y Pb PC AUDIO INPUT RF INPUT AV2 IN AV OUT It can be connected to the following appliances VCR multi disc player DVD camcorder video game or stereo system etc YPbPr can support these video fomats 480i 576i 480p 576p 720p 1080i 1080p Red audio R White audio L Red Pr or Cr R W R Blue Pb or Cb Green Y B G Yellow video Y Note 1 AV andYPbPr share oneaudio channel 2 When HDMI 1port get DVIsignal the ...

Page 20: ...PUT HDMI1 INPUT HDMI2 INPUT L R AV Pr Y Pb PC AUDIO INPUT RF INPUT AV2 IN AV OUT PRESET MODE PC NOTE PC V Freq Hz not more than 60Hz 1 2 3 800 600 1024 768 60 60 37 88 48 36 RESOLUTION V Freq Hz H Freq KHz 1360 768 Only for 19 22 60 47 7 4 1280 768 Only for 24 60 47 3 PRESET MODE HDMI 1 2 3 800 600 1024 768 60 60 37 88 48 36 RESOLUTION V Freq Hz H Freq KHz 1360 768 60 47 7 4 1280 768 60 47 3 5 192...

Page 21: ... 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 22: ...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 22 ...

Page 23: ... 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 24: ... this button to turn the unit ON from STANDBY mode Press it again to turn the set back to STANDBY 6 USB The USB memory stick should be plug in the unit directly USB extension cable should not be used to avoid failing of data transferring and interference caused SOURCE MENU CH CH VOL VOL STANDBY USB All the terminals are from left to right AC POWER SOCKET HDMI 1 HDMI 2 AV YPbPr AUDIO INPUT VGA PC A...

Page 25: ... to returnto the previousmenu or exitmenu 22 SOUND To switchsound mode 23 CH CH To accessthe next orprevious TV Program 24 ASPECT To changethe picture aspectratio 16 9 or4 3 27 PREV Next key 28 NEXT Previous key 29 STOP Stop key 30 PLAY PAUSE Play Pausekey the time toturn off theTV 9 10 11 12 25 26 Insert Batteries Into the Remote Control 1 2 3 Remark 1 Remove the battery cover 2 Inserting the 2 A...

Page 26: ...matics BlockDiagram MODEL MST6M48 PART NO TITLE Cover page DWG NO MST3208 YL01 01 VER 1 0 SHEET 0 pages 8 SHEN ZHEN AMTC MULTIMEDIA CO LTD Design SuHaoFeng Checked Apprd QR RD 016A MST6M48 flash 32M LED PANNEL TUNNER Antenna in POWER TPA3113 HDMI VGA YPbPr AV SCART USB lvds DDR2 512M SAW BACKLIGHT SPEAKER ...

Page 27: ... 1uF 25V R130 33 R130 33 MP1482 U105 MP1482 MP1482 U105 MP1482 VIN 2 SW 3 GND 4 FB 5 ON OFF 7 COMP 6 BS 1 NC SS 8 R134 0R 0402 R134 0R 0402 R131 NC 0R R131 NC 0R R108 510R R108 510R R113 12K R113 12K R111 4 7K R111 4 7K EC103 220uF 16V EC103 220uF 16V R135 0R 0402 R135 0R 0402 EC102 220uF 16V GZ EC102 220uF 16V GZ C115 0 1uF 25V C115 0 1uF 25V R137 1K R137 1K C117 0 1uF 25V C117 0 1uF 25V C119 1 5...

Page 28: ..._1 R292 10K R292 10K R278 4 7K R278 4 7K C219 2 2uF C219 2 2uF FB202 FB 0603 FB202 FB 0603 C256 0 1uF C256 0 1uF R272 4 7K R272 4 7K C121 0 1uF C121 0 1uF C99 0 1uF C99 0 1uF R205 0R 0402 R205 0R 0402 C289 nc C289 nc R265 4 7K R265 4 7K C216 47nF C216 47nF C139 0 1uF C139 0 1uF C245 0 1uF C245 0 1uF C222 100pF C222 100pF C288 100pF C288 100pF C142 0 1uF C142 0 1uF R199 22 R199 22 C217 47nF C217 47...

Page 29: ...A RX301 NC V800AA RX354 NC V80010 RX354 NC V80010 R339 1K R339 1K R341 NC 0R R341 NC 0R Q304 BT3904 Q304 BT3904 1 2 3 RX341 NC V80010 RX341 NC V80010 RX355 NC V80010 RX355 NC V80010 R340 1K R340 1K D301 BAW70 D301 BAW70 3 1 2 R314 22K R314 22K RX360 NC V80010 RX360 NC V80010 RX338 NC V80010 RX338 NC V80010 R335 22K R335 22K RX356 NC V80010 RX356 NC V80010 RX361 NC V80010 RX361 NC V80010 RX362 NC V...

Page 30: ...CN402 PC Audio Input CN402 PC Audio Input 1 2 3 4 5 6 7 8 NC V800AA RX404 NC V800AA RX404 R426 NC 15K R426 NC 15K CN401 VGA CN401 VGA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 R406 5 1 R406 5 1 R429 47R R429 47R R408 5 1 R408 5 1 R445 4 7K R445 4 7K R434 NC 0R R434 NC 0R NC V800AA RX413 NC V800AA RX413 R405 5 1 R405 5 1 R428 NC 15K R428 NC 15K 2 2uF C409 2 2uF C409 7 5 3 1 8 6 4 2 RP403 100K 4 7 5...

Page 31: ...10 NC AV JACK 3 AV 1 1 2 2 3 3 4 4 5 5 7 7 6 6 8 8 NC V800AA RX904 NC V800AA RX904 47R R916 47R R916 R573 22K R573 22K 22n C919 22n C919 2 7K R911 2 7K R911 R544 75R R544 75R R537 10R R537 10R RX516 NC V800AA RX516 NC V800AA NC V800AA RX905 NC V800AA RX905 8 2k R912 8 2k R912 10K R932 10K R932 100R R930 100R R930 10uF C906 10uF C906 33k R936 33k R936 10k R923 10k R923 0R R2 0R R2 CN511 NC AV JACK ...

Page 32: ...1uF R606 4 7K NC R606 4 7K NC EC601 47uF 16V NC EC601 47uF 16V NC R615 NC 0R 0402 R615 NC 0R 0402 R628 2 4K R628 2 4K R605 NC 680R R605 NC 680R R622 NC 22K R622 NC 22K C614 1uF C614 1uF Q603 NC BT3904 Q603 NC BT3904 3 1 2 C604 22pF C604 22pF D606 BA892 NC D606 BA892 NC U603 AMS1084 SO252 TO 252 U603 AMS1084 SO252 TO 252 Adjust 1 VIN 3 VOUT 2 TAB 4 R607 NC 0R R607 NC 0R R616 NC 75R R616 NC 75R R610...

Page 33: ... 470uF 16V EC708 470uF 16V 1 2 R754 4 7K R754 4 7K R719 0R 1206 NC R719 0R 1206 NC U705 NC TPA3110D2 U705 NC TPA3110D2 SD 1 FAULT 2 LINP 3 LINN 4 AGND 8 AVCC 7 GAIN1 6 GAIN0 5 GVDD 9 PLIMIT 10 RINN 11 RINP 12 BSPR 17 OUTPR 18 PGND 19 OUTNR 20 BSNR 21 BSNL 22 OUTNL 23 PGND 24 OUTPL 25 BSPL 26 PVCCL 27 PVCCL 28 PVCCR 16 NC 13 PBTL 14 PVCCR 15 GND 29 D702 1N4148 D702 1N4148 FB703 NC FB FB703 NC FB C7...

Page 34: ...ter Press to move the cursor Press MENU buttonto exit edit Press EX IT to exit the menu Note The TVprograms name onlycan be 5characters Move Move the cursorto the program press teletext yellow button itwill show yellowcursor Press to move theprogram Skip Press to choosethe program pressteletext Delete Rename Move Skip blue button toskip this program The icon will show on theright side ofthe progra...

Page 35: ...able when theinput signal volume istoo large ordistortion EQ Amplifythe selected soundfrequency as youwish 4 TIME MENU The forth itemof the menuis the TIMEMENU Youcan adjust theclock power on offtime sleep time etc Press to move press OK buttonto confirm and press toadjust NOTE Within 15 minutesthere is nosignal the TV will auto sleep Once you poweroff the TVset byAC the clocktime will be reset 5 ...

Page 36: ...dia filesand folder listor choose Returnto back to themedia type selectionmenu Select the mediafile by pressing or then the preview framewill pop up Press the button to play themedia file infull screen Whenthe media file photo music Movie ortext type is playing press theOK or Info buttoncan display the control bar Music function needto put musicand picture inthe same folder 1 1 Sample1 ts Sample2 ...

Page 37: ...ate You should reset TV after update Note When Upgrade on the process please don t Power Off Haier MST6M48 F W upgrade with USB SOP Step 1 Ready for F W Upgrade 1 1 Prepare a USB memory 1 2 Copy the software file merg bin from your computer to the USB memory and remove it from computer s USB port Step 2 F W Upgrade 2 1 AC ON How to update software ...

Page 38: ...t the color temperature and white balance 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...

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

Page 40: ... the input output Re soldering or change IC U13 Check the input output Re soldering or change IC U55 Check the input output Re soldering or change IC U2 Check the Speaker Change the Speaker Check the Sperker wire fail fail fail fail fail pass pass pass pass pass IC U705 IC U10 IC U706 Service Manual Model No 40 ...

Page 41: ...ce Manual Model No 1 Black creen 2 White screen 6 on VCC pins of Check if is working Check if is Signal on Check and the 5 Is power LCD normal 41 CN101 U102 U102 for U10 CN101 Q101 Q107 CN205 Q102 Q102 CN205 ...

Page 42: ...Service Manual Model No 42 3 Panel display abnormally connector is at normal level CN205 ...

Page 43: ...k the speakers Y N Check if there is output at CN701 Check if there is 12V input at Check if the power supply system is damaged short circuit or mis connected N Y voltage Check the mute control Y N Check if there is signal input at PIN1 PIN of U70 Check the audio input circuit from U706 to U701 N Y Replace U701 circuit from PIN7 OF U701 U701 Q701 Q704 Check if MUTE PIN of is low 8 1 9 ...

Page 44: ...of TUNER1 N Y Y Y N Check the power supply circuit to this PIN7 Check if there is intermediate frequency signal output at PIN11 of TUNER1 Check if there is I2C signal at PIN4 PIN5 of TUNER Check the I2C circuit between U10 and TUNER1 Check the tuner Check the signal circuit between U10 and TUNER1 Fix the RF set N 44 ...

Page 45: ...Service Manual Model No 6 HDMI no picture or picture abnormal If is 45 CN302 RX357 RX358 RX359 RX342 RX343 RX344 RX345 Q303 ...

Page 46: ...Service Manual Model No 7 PC no picture or picture abnormal 48 ...

Page 47: ...Service Manual Model No 8 YPBPR AV SCART no picture or picture abnormal Check Y 49 ...

Page 48: ...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 Service Manual Model No 50 ...

Page 49: ...arizer 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 Service Manual Model No 51 ...

Page 50: ...ge 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 Service Manual Model No 52 ...

Page 51: ...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 52: ...ause 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 Service Manual Model No 54 ...

Page 53: ...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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